CL_AGN_220118_PC_AgendaPacket_A1.CALL MEETING TO ORDER
2.ROLL CALL
3.PLEDGE OF ALLEGIANCE
4.BLUE FOLDER ITEMS (SUPPLEMENTAL)
Blue folder (supplemental) items are additional back up materials to administrative reports, changes to the posted agenda packet, and/or public
comments received after the printing and distribution of the agenda packet for receive and file.
5.PUBLIC PARTICIPATION ON NON-AGENDA ITEMS
NO. 2 PORTUGUESE BEND ROAD
ROLLING HILLS, CA 90274
(310) 377-1521
FAX (310) 377-7288
AGENDA
Adjourned Planning Commission
Field Trip
PLANNING COMMISSION
Tuesday, January 18, 2022
CITY OF ROLLING HILLS
6:30 PM
Executive Order N-29-20
The Planning Commission makes the following findings pursuant to AB 361: 1.) A statewide state of
emergency is currently in place; and 2.) State or local officials have imposed or recommended
measures to promote social distancing in connection with COVID-19.All Planning Commissioners will
participate by teleconference. Public Participation: City Hall will be closed to the public until further
notice.A live audio of the Planning Commission meeting will be available on the City's website
https://cms5.revize.com/revize/rollinghillsca/government/agenda/index.php
The meeting agenda is also available on the City's website:
https://www.rolling-hills.org/government/agenda/index.php
Join Zoom Meeting
https://us02web.zoom.us/j/99343882035?pwd=MWZXaG9ISWdud3NpajYwY3dFbllFZz09
Meeting ID: 993 4388 2035 Passcode: 647943
Members of the public may submit comments in real time by emailing the Planning Department at
Planning@cityofrh.net. Your comments will become a part of the official meeting record. You must
provide your full name but do not provide any other personal information (i.e., phone numbers,
addresses, etc) that you do not want to be published.
1
6.CONSENT CALENDAR
6.A.CONTINUATION OF REMOTE CITY COUNCIL AND COMMISSION MEETINGS
DURING THE MONTH OF JANUARY 2022 PURSUANT TO THE REQUIREMENTS
OF AB 361.
RECOMMENDATION: Approve as presented.
6.B.MINUTES OF THE DECEMBER 16, 2021, PLANNING COMMISSION MEETING.
RECOMMENDATION: Approve as presented.
7.FIELD TRIPS
8.NEW BUSINESS
8.A.SAFETY ELEMENT UPDATE.
RECOMMENDATION: Discuss the update to the Safety Element and direct staff to
prepare a final version for the Planning Commission and City Council's
consideration.
9.PUBLIC HEARING
9.A.ZONING CASE NO. 21-13: REQUEST FOR APPROVAL OF A SITE PLAN REVIEW
FOR A POOL, SPA, GRADING, AND OTHER IMPROVEMENTS FOR A PROPERTY
LOCATED AT 4 STORM HILL LANE (GRZYWACZ)
RECOMMENDATION: Adopt Resolution No. 2022-01 approving a Site Plan Review
for a swimming pool, spa, grading, and other improvements.
10.DIRECTOR'S REPORT
10.A.INITIAL STUDY AND NEGATIVE DECLARATION FOR THE HOUSING AND
SAFETY ELEMENTS.
RECOMMENDATION: Receive and file.
11.COMMISSIONER'S REPORT
12.ADJOURNMENT
Next meeting: Tuesday, February 15, 2022 at 6:30 p.m. via teleconference.
12.16.2021 PC Regular Meeting Action Minutes.pdf
Safety Element_Final_Draft.pdf
Rolling Hills Safety Element - PC Presentation 011822.pdf
4 Storm Hill (ZC 21-13) Development Table.pdf
Development Plans - 4 Storm Hill (ZC 21-13).pdf
Vicinity Map - 4 Storm Hill Ln.pdf
Resolution 2022-01 (4 Storm Hill Lane) (ZC 21-13)-c1 (002)-c1-c1.pdf
Notice:
Documents pertaining to an agenda item received after the posting of the agenda are available for review in the City
Clerk's office or at the meeting at which the item will be considered.
2
All zoning case items have been determined to be categorically exempt pursuant to the California Environmental Quality
Act (CEQA) Guidelines unless otherwise stated.
3
Agenda Item No.: 6.A
Mtg. Date: 01/18/2022
TO:HONORABLE CHAIR AND MEMBERS OF THE PLANNING
COMMISSION
FROM:CHRISTIAN HORVATH, CITY CLERK / EXECUTIVE ASSISTANT TO
CITY MANAGER
THRU:ELAINE JENG P.E., CITY MANAGER
SUBJECT:CONTINUATION OF REMOTE CITY COUNCIL AND COMMISSION
MEETINGS DURING THE MONTH OF JANUARY 2022 PURSUANT TO
THE REQUIREMENTS OF AB 361.
DATE:January 18, 2022
BACKGROUND:
With the Governor ’s approval of AB 361, public agencies have been granted the continuing ability
to conduct virtual meetings during declared public health emergencies under specified
circumstances until January 1, 2024. Based on the requirements of AB 361 (copy attached), in order for
the City to hold virtual meetings, the Committee on Trees and Views needs to determine monthly that
the following conditions exist:
1) There continues to be a health and safety risk due to COVID-19 as a proclaimed state of emergency
with recommended measures to promote social distancing; and
2) Meeting in person during the proclaimed state of emergency would present imminent risks to the
health and safety of attendees.
The other requirements associated with continued virtual meetings are outlined in the text of AB
361. The recommended action is for the Committee on Trees and Views to find that the following
conditions exist and that they necessitate remote Committee meetings for the coming month:
1) There continues to be a health and safety risk due to COVID-19 as a proclaimed state of emergency
with recommended measures to promote social distancing; and
2) Meeting in person during the proclaimed state of emergency would present imminent risks to the
health and safety of attendees. These findings will need to be made by the City Council each month that
the City opts to continue with remote meetings.
4
DISCUSSION:
None.
FISCAL IMPACT:
None.
RECOMMENDATION:
Approve as presented.
ATTACHMENTS:
5
Agenda Item No.: 6.B
Mtg. Date: 01/18/2022
TO:HONORABLE CHAIR AND MEMBERS OF THE PLANNING
COMMISSION
FROM:CHRISTIAN HORVATH, CITY CLERK / EXECUTIVE ASSISTANT TO
CITY MANAGER
THRU:ELAINE JENG P.E., CITY MANAGER
SUBJECT:MINUTES OF THE DECEMBER 16, 2021, PLANNING COMMISSION
MEETING.
DATE:January 18, 2022
BACKGROUND:
None.
DISCUSSION:
None.
FISCAL IMPACT:
None.
RECOMMENDATION:
Approve as presented.
ATTACHMENTS:
12.16.2021 PC Regular Meeting Action Minutes.pdf
6
Minutes 1
Planning Commission Regular Meeting
December 16, 2021
REGULAR MEETING
OF THE PLANNING COMMISSION
CITY OF ROLLING HILLS
8:00 A.M.
THURSDAY, DECEMBER 16, 2021
VIA TELECONFERENCE
1. CALL TO ORDER
A regular meeting of the Planning Commission of the City of Rolling Hills was called to
order by Chair Chelf at 8:00 a.m. on Thursday, December 16, 2021 via teleconference.
2. ROLL CALL
Present: Chair Chelf, Vice Chair Kirkpatrick, Cardenas, Cooley and Douglass
Absent: None
Staff Present: John Signo , Planning and Community Services Director
Christian Horvath, City Clerk
Jane Abzug, City Attorney
Barry Miller, Housing Consultant
Residents: Teresa Hassanally
3. APPROVAL OF THE AGENDA
MOTION: by Commissioner Douglass, seconded by Commissioner Cooley to approve
order of the agenda. Motion carried unanimously with the following roll call vote:
AYES: Chair Chelf, Kirkpatrick, Cardenas, Cooley and Douglass
NOES: None
ABSENT: None
4. PUBLIC COMMENTS ON MINUTES AND ANY ITEM NOT ON THE AGENDA -
NONE
5. APPROVAL OF MINUTES
5.A. REGULAR MEETING OF THE PLANNING COMMISSION FOR
DECEMBER 7, 2021
7
Minutes 2
Planning Commission Regular Meeting
December 16, 2021
MOTION: by Vice Chair Kirkpatrick, seconded by Commissioner Douglass, to approve the
minutes as presented. Motion carried unanimously with the following vote:
AYES: Chair Chelf, Kirkpatrick, Cardenas, Cooley and Douglass
NOES: None
ABSENT: None
6. RESOLUTIONS - NONE
7. PUBLIC HEARINGS ON ITEMS CONTINUED FROM PREVIOUS MEETING -
NONE
8. NEW PUBLIC HEARINGS
8.A. 2021-2029 HOUSING & COMMUNITY DEVELOPMENT DRAFT OF THE
ROLLING HILLS HOUSING ELEMENT
Public Hearing was opened.
Presentation: Barry Miller, Housing Consultant
Public Testimony: Resident Teresa Hassanally
Public Hearing was closed.
MOTION: by Commissioner Cardenas, seconded by Vice Chair Kirkpatrick, to receive and
file. Motion carried unanimously with the following vote:
AYES: Chair Chelf, Vice Chair Kirkpatrick, Cardenas, Cooley and Douglass
NOES: None
ABSENT: None
9. NEW BUSINESS - NONE
10. OLD BUSINESS - NONE
11. SCHEDULED FIELD TRIPS - NONE
12. ITEMS FROM STAFF - NONE
8
Minutes 3
Planning Commission Regular Meeting
December 16, 2021
13. ITEMS FROM PLANNING COMMISSION - NONE
14. ADJOURNMENT
Hearing no further business before the Planning Commission, Chair Chelf adjourned the
meeting at 8:31 AM via teleconference. Next regular meeting: Tuesday, January 18, 2022 at
6:30 PM to be held via teleconference.
Respectfully submitted,
____________________________________
Christian Horvath
City Clerk
Approved,
______________________________________
Brad Chelf
Chairman
9
Agenda Item No.: 8.A
Mtg. Date: 01/18/2022
TO:HONORABLE CHAIR AND MEMBERS OF THE PLANNING
COMMISSION
FROM:JOHN SIGNO, DIRECTOR OF PLANNING & COMMUNITY SERVICES
THRU:ELAINE JENG P.E., CITY MANAGER
SUBJECT:SAFETY ELEMENT UPDATE.
DATE:January 18, 2022
BACKGROUND:
The City began its efforts to update the Safety Element in mid-2020 after being awarded funding from
the Governor's Office of Emergency Services (Cal OES). The City obtained the professional services of
Rincon Consultants, Inc. to prepare the Draft Safety Element. Once completed, the Draft Safety was
sent to the California Board of Forestry and Fire Protection for review, but no recommendations or
changes were made.
DISCUSSION:
The Safety Element provides the City of Rolling Hills’ (City’s) goals, policies, and actions to minimize
the hazards to safety in and around Rolling Hills. The Element evaluates natural and human-caused
safety hazards that affect existing and future development and provides guidelines for protecting the
community from harm. The Element describes existing and potential future conditions and sets policies
for improved public safety. The goal of the Safety Element is to reduce the risk of injury, death,
property loss, and other hardships to acceptable levels. The Safety Element is required to be reviewed
and updated as necessary to address the risk of fire for land classified as state responsibility areas and
land classified as very high fire hazard severity zones (Gov. Code, § 65302(g)(3)). The Safety Element
is required to include:
Fire hazard severity zone maps available from the Department of Forestry and Fire Protection.
Any historical data on wildfires available from local agencies or a reference to where the data can
be found.
Information about wildfire hazard areas that may be available from the United States Geological
Survey.
The general location and distribution of existing and planned uses of land in very high fire hazard
severity zones (VHFHSZs) and in state responsibility areas (SRAs), including structures, roads,
utilities, and essential public facilities. The location and distribution of planned uses of land shall
not require defensible space compliance measures required by state law or local ordinance to
occur on publicly owned lands or open space designations of homeowner associations.
The local, state, and federal agencies with responsibility for fire protection, including special
10
districts and local offices of emergency services (Gov. Code, § 65302(g)(3)(A)).
Based on that information, the Safety Element shall include goals, policies, and objectives that protect
the community from the unreasonable risk of wildfire. (Gov. Code, § 65302(g)(3)(B)). To carry out
those goals, policies, and objectives, feasible implementation measures shall be included in the Safety
Element, which include but are not limited to:
Avoiding or minimizing the wildfire hazards associated with new uses of land.
Locating, when feasible, new essential public facilities outside of high fire risk areas, including,
but not limited to, hospitals and health care facilities, emergency shelters, emergency command
centers, and emergency communications facilities, or identifying construction methods or other
methods to minimize damage if these facilities are located in the SRA or VHFHSZ.
Designing adequate infrastructure if a new development is located in the SRA or VHFHSZ,
including safe access for emergency response vehicles, visible street signs, and water supplies for
structural fire suppression.
Working cooperatively with public agencies with responsibility for fire protection (Gov. Code, §
65302(g)(3)(C)).
The Safety Element shall also attach or reference any fire safety plans or other documents adopted by
the City that fulfill the goals and objectives or contains the information required above (Gov. Code, §
65302(g)(3)(D)). This might include Local Hazard Mitigation Plans, Unit Fire Plans, Community
Wildfire Protection Plans, or other plans.
Next Steps
The Safety Element will be brought back to the Planning Commission with the Housing Element
Update at a future meeting. Also to be considered is a negative declaration prepared pursuant to the
California Environmental Quality Act (CEQA) Guidelines. The purpose of tonight's meeting is to
introduce the Safety Element to the Planning Commission and solicit discussion.
FISCAL IMPACT:
The City obtained a grant from CalOES for $47,624 to update the Safety Element. Certification of the
Element provides an indirect positive fiscal impact by reducing legal risks and qualifying the City for
State planning grants.
RECOMMENDATION:
Discuss the update to the Safety Element and direct staff to prepare a final version for the Planning
Commission and City Council's consideration.
ATTACHMENTS:
Safety Element_Final_Draft.pdf
Rolling Hills Safety Element - PC Presentation 011822.pdf
11
ROLLING HILLS ROLLING HILLS
GENERAL PLANGENERAL PLAN
SAFETY ELEMENT
prepared by
City of Rolling Hills
Planning and Community Services
2 Portuguese Bend Road
Rolling Hills, California 90274
prepared with the assistance of
Rincon Consultants, Inc.
706 South Hill Street, Suite 1200
Los Angeles, California 90014
November 2021
12
Table of Contents
Safety Element i
Table of Contents
Introduction ............................................................................................................................................ 1
City Setting ...................................................................................................................................... 1
Regulatory Setting .......................................................................................................................... 1
Critical Facilities and Infrastructure ................................................................................................ 3
Hazards of Concern................................................................................................................................. 6
Geologic Hazards ............................................................................................................................ 6
Flooding ........................................................................................................................................10
Wildland and Urban Fires .............................................................................................................14
Hazardous Materials .....................................................................................................................17
Community Communication .................................................................................................................17
Emergency Response and Evacuation ..........................................................................................17
Disease Prevention .......................................................................................................................19
Climate Change .....................................................................................................................................20
Vulnerable Populations and Assets ..............................................................................................20
Vulnerability Assessment Results .................................................................................................22
Goals, Policies, and Implementation ....................................................................................................24
Hazard Mitigation .........................................................................................................................24
Community Communication .........................................................................................................31
Climate Change Adaptation and Resilience ..................................................................................39
References ............................................................................................................................................41
Tables
Table 1 Rolling Hills Climate Summary ............................................................................................ 1
Table 2 Rolling Hills Demographic Characteristics ........................................................................... 2
Table 3 Active Faults Located less than 50 Miles from Rolling Hills ................................................ 9
Figures
Figure 1 Critical Facilities Map .......................................................................................................... 5
Figure 2 Landslide Hazard Zones ...................................................................................................... 7
Figure 3 Faults in the Vicinity of Rolling Hills .................................................................................... 8
Figure 4 Rolling Hills Earthquake Shaking Potential .......................................................................11
Figure 5 Rolling Hills Liquefaction Hazard Areas .............................................................................12
Figure 6 Dam Inundation Areas ......................................................................................................13
Figure 7 Fire Hazard Zones ..............................................................................................................15
Figure 8 Existing Evacuation Routes ...............................................................................................18
13
City of Rolling Hills
Rolling Hills General Plan
ii
Appendices
Appendix A Existing Conditions Report
14
Introduction
Safety Element 1
Introduction
The Safety Element provides the City of
Rolling Hills’ (City’s) goals, policies, and
actions to minimize the hazards to safety in
and around Rolling Hills. The Element
evaluates natural and human-caused safety
hazards that affect existing and future
development and provides guidelines for
protecting the community from harm. The
Element describes existing and potential
future conditions and sets policies for
improved public safety. The goal of the Safety
Element is to reduce the risk of injury, death,
property loss, and other hardships to
acceptable levels.
City Setting
Rolling Hills covers an area of approximately
three square-miles on the Palos Verdes
peninsula, approximately 18 miles south of
downtown Los Angeles. The topography of
the city and peninsula area is unique in that it
rises above the Los Angeles Basin with rolling
hills, steep slopes, and canyons. The city itself
is in the San Pedro Hills. Due to its location
near the coast, the area is generally cooler
and has fewer air quality concerns compared
to the nearby Los Angeles Basin. Table 1
summarizes the climatology of the area.
Rolling Hills City Hall
Rolling Hills is a residential community that
consists of large parcels and ranch-style
homes and has a sizable older adult1
population of about 513 (28% of the city’s
total population). Important community
demographic data for Rolling Hills is included
in Table 2. The city is also an equestrian
community, as many of residents are horse
owners or have horses on their property.
Regulatory Setting
Section 65302(g) of the California
Government Code requires that the General
Plans include a Safety Element for the
protection of the community from any
unreasonable risks associated with the effects
of seismically induced surface rupture,
ground shaking, ground failure, tsunami,
Table 1 Rolling Hills Climate Summary
Climate Character Estimate
Annual Average Observed Maximum Temperature from 1961 - 1990 (Fahrenheit) 71
Annual Average Observed Minimum Temperature from 1961 – 1990 (Fahrenheit) 50
Annual Average Observed Precipitation from 1961 – 1990 (inches) 19
Source: Cal-Adapt 2021
1 An older adult is any adult over the age of 65 years old.
15
City of Rolling Hills
Rolling Hills General Plan
2
Table 2 Rolling Hills Demographic Characteristics
Demographic Characteristics Estimate
General
Total Population 1,739
Population under 10 years 7 percent
Population over 65 years 28 percent1
Race 77 percent White, 18 percent Asian, 5 percent Hispanic/Latino
Disability (hearing, vision, cognitive, ambulatory) 12 percent
Housing
Total Households 6451
Average Household Size 2.76
Owner-occupied Households 96 percent
Population over 65 years living alone 15 percent of those over 65 years
Employment
Unemployment Rate 6 percent
Poverty Rate 2 percent
Median Income $ 239,000
Insurance Coverage 97 percent
Source: U.S. Census 2018
seiche, and dam failure; slope instability
leading to mudslides and landslides;
subsidence and other geologic hazards;
flooding, and wildland and urban fire. In
addition, Safety Elements are required to
address non-hazard specific issues such as
peak load water supply, evacuation routes,
and military installations.
Senate Bill 379, adopted on October 8, 2015,
requires cities to include climate change
adaptation and resilience into the general
plan process. To comply with SB 379, this
Safety Element includes a vulnerability
assessment; adaptation and resilience goals,
polices, and objectives; and feasible
implementation measures.
Senate Bill 99, adopted August 30, 2020,
requires the cities to “identify residential
developments in any hazard area identified in
the safety element that does not have at least
two emergency evacuation routes.” SB 99
does not define neighborhood and cities are
expected to define neighborhoods based on
their community.
Relationship to Other Documents
The Rolling Hills Safety Element is one of
several plans that address safety in the City.
The Safety Element must be consistent with
these other plans to ensure the City has a
unified strategy to address safety issues. The
Safety Element includes information and
policies from the following documents to
ensure consistency.
Other General Plan Elements
The Safety Element is one section of the
Rolling Hills General Plan. Other elements
include Land Use, Transportation, Housing,
16
Introduction
Safety Element 3
Conservation, Open Space and Recreation
and Noise. Policies in these other elements
may be related to safety issues. Information
and policies in the Safety Element should not
conflict with those in other elements.
Hazard Mitigation Plan
The City’s Hazard Mitigation Plan includes
resources and information to assist the City of
Rolling Hills, its residents, and public and
private sector organizations in planning for
hazard events. The Plan provides a list of
activities that may assist the City in reducing
risk and preventing loss from future hazard
events. The action items address multi-hazard
issues, as well as activities specifically for
reducing risk and preventing losses relating to
earthquake, land movement, wildfire, and
drought.
Community Wildfire Protection Plan
The City’s Community Wildfire Protection
Plan (CWPP), adopted in July 2020, seeks to
reduce wildfire risk in Rolling Hills. The Plan
was developed collaboratively among
stakeholders including the community, the
City of Rolling Hills, the Rolling Hills
Community Association, and the Los Angeles
County Fire Department, and the Los Angeles
Sheriff’s Department. The Plan includes fire
mitigation and evacuation strategies for the
community.
Critical Facilities and
Infrastructure
Critical facilities are places that provide
emergency services or serve people who
would be impacted by an emergency.
Examples include hospitals, fire stations,
police stations, emergency services facilities,
utility facilities, and communication facilities.
Critical facilities can also include the
transportation system and schools. Due to
the size and composition of Rolling Hills,
many of the critical facilities that serve the
city are located outside of city limits. No areas
in Rolling Hills have been identified as lacking
emergency service. Critical facilities that serve
the city are shown in Figure 1 and include:
Rolling Hills City Hall: 2 Portuguese Bend
Road, Rolling Hills, CA
Rolling Hills Community Association: 1
Portuguese Bend Road, Rolling Hills, CA
Rancho Del Mar High School: 38 Crest
Road West, Rolling Hills, CA
Storm Hill Park: Agua Magna Canyon,
Rolling Hills, CA
Los Angeles County Sheriff’s Lomita
Station: 26123 Narbonne Avenue, Lomita,
CA
Los Angeles County Fire Station No. 56:
12 Crest Road West, Rolling Hills, CA
Los Angeles County Communications
Tower: 5741 Crestridge Road, Rancho
Palos Verdes, CA
Southern California Edison Electrical
Substation: Crestridge Road, Rancho
Palos Verdes, CA
Southern California Edison Electrical
Substation: Tarragon Road, Rancho Palos
Verdes, CA
Southern California Edison Electrical
Substation: 27873 Hawthorn Boulevard,
Rancho Palos Verdes, CA
California Water Service Reservoir: Palos
Verdes Drive North/Palos Verdes Drive
East (SW corner), Rolling Hills Estates, CA
California Water Service Reservoir: 3960
East Crest Road, Rancho Palos Verdes, CA
California Water Service Reservoir: Via
Canada, Rancho Palos Verdes, CA
California Water Service Reservoir: 1 Spur
Lane, Rolling Hills, CA
California Water Service Reservoir: 60
Eastfield Drive, Rolling Hills, CA
Portuguese Bend Road
Crest Road
17
City of Rolling Hills
Rolling Hills General Plan
4
Rolling Hills Community Association
18
Introduction
Safety Element 5
Figure 1 Critical Facilities Map
19
City of Rolling Hills
Rolling Hills General Plan
6
Hazards of Concern
Geologic Hazards
Geologic processes that pose a threat to life,
health, property, or infrastructure are
considered geologic hazards. Natural geologic
hazards that have the potential to affect
Rolling Hills include seismic hazards,
landslides, liquefaction, expansive soils, and
weathering. In most cases, these natural
processes cannot be prevented; however, the
magnitude of destruction resulting from
natural geologic hazards can be reduced
through planning policies and measures.
Landslide Hazards
Landslide activity refers to a wide range of
gravity driven downslope earth movement,
including rockslides, rotational slips,
mudslides, and shallow debris flows.
Geological and geomorphological conditions
such as soil type, soil strength, slope angle,
and slope height predispose slopes for failure.
Other factors affecting the susceptibility to
slope failure include the amount of
precipitation, vegetation on the slope,
groundwater seepage, and human
modifications to the slope. Landslides often
result in damage to property and roadways
and can cause them to become unsafe due to
displacement of the subsurface.
Much of the existing development in Rolling
Hills is located on hilly terrain and have a
greater potential to experience landslide
hazards. Many of the canyons in Rolling Hills
exhibit steep slopes with little vegetation
coverage, leaving them susceptible to slope
failure. Figure 2 shows the landslide zones in
the City of Rolling Hills, as mapped by the
California Geological Survey (CGS). Landslide
activity has been well documented in the
region. Relicts of landslides and rockslides are
present throughout the City of Rolling Hills.
2 “Beginning in” is defined as the first noted event of major
rock movement
The following major landslides have occurred
in and adjacent to the city. All are in the
landslide hazards areas identified in Figure 2:
▪ Portuguese Bend Landslide: Beginning in2
1956 over approximately 270 acres in
Rancho Palos Verdes
▪ Abalone Cove Landslide: Beginning in
1974 over 80 acres in Rancho Palos
Verdes
▪ Klondike Canyon Landslide: Beginning in
1979 over to the south near the coastline
▪ Flying Triangle Landslide: Beginning in
1970s or 1980s over approximately 70
acres in the southeast area of the city
The Flying Triangle Landslide, shown in Figure
2, continues to impact the southeast portion
of the city through impacts to private roads
and above-ground utility lines. This area is
relatively unsuitable for development due to
the ongoing changes in topography.
Seismic Hazards
Rolling Hills is in a seismically active region of
southern California. The last major
earthquake in the Los Angeles area was the
5.1 magnitude La Habra earthquake in 2014.
Rolling Hills is within 50 miles of the Whittier
fault, Newport-Inglewood fault, Palos Verdes
fault, Malibu Coast fault, Cabrillo fault, Santa
Monica fault, and Redondo Canyon fault.
Analysis of seismic data from the region
indicates that the Whittier and Newport-
Inglewood faults may generate a maximum
credible earthquake of magnitude 7.2 and
7.4, respectively (SCEC 2013). Figure 3 shows
the faults in the vicinity of Rolling Hills.
Typically, seismic shaking and fault rupture
are primary hazards as they occur as a direct
result of the interaction between the seismic
wave energy and the earth’s surface.
Secondary hazards, such as liquefaction and
earthquake-induced landslides, occur as a
result of the primary earthquake hazards.
20
Hazards of Concern
Safety Element 7
Figure 2 Landslide Hazard Zones
21
City of Rolling Hills
Rolling Hills General Plan
8
Figure 3 Faults in the Vicinity of Rolling Hills
22
Hazards of Concern
Safety Element 9
Often, earthquake activity can result in other
effects such as building damage/collapse,
infrastructure failure, pipeline breakage, and
damage to transportation and
communication facilities. The size of the
earthquake and distance from the fault
rupture zone typically determine the severity
of these events.
Seismic Shaking
Seismic shaking, or ground shaking, refers to
the movement of the earth’s surface resulting
from the energy release by an earthquake.
Seismic shaking is typically the primary cause
of property damage resulting from
earthquake activity. Seismic shaking can
destroy buildings, roadways, powerlines, and
pipelines. Energy transmitted through the
ground can travel hundreds of miles and may
cause damage in many locations
simultaneously. Closer proximity to the fault
rupture area results in stronger shaking in
that location.
The amount of ground shaking that occurs in
a location depends on the magnitude of the
earthquake, the distance from the epicenter,
and local soil conditions. The intensity of
ground shaking is related to the peak ground
velocity during an earthquake. As shown in
Figure 4, the earthquake shaking potential for
Rolling Hills is low to moderate. The intensity
of seismic shaking is measured using the
Modified Mercalli scale.
According to the CGS, an active fault is one
that has experienced surface movement in
the past 11,000 years. The city is located near
a number of active faults, including the
Cabrillo Fault in city limits. Table 3 includes a
list of nearby faults, their respective distance
from the city, the maximum credible
earthquake generated from each fault, and
the likelihood of earthquake occurrence in
each case.
The San Andreas fault is located
approximately 80 miles to the east of Rolling
Hills. Although the San Andreas fault is
located at a greater distance from the city,
seismic shaking originating from earthquakes
occurring along the San Andreas fault poses a
threat to the city. Figure 3 identifies the
active and inactive faults located in the city
and vicinity.
Fault Rupture
Fault Rupture occurs when seismic movement
on a fault break through the earth’s surface.
Hazards related to fault rupture arise when
structures are built near or on top of an active
fault. While there are a number of seismically
active faults in the city and region, there are
no active faults with the potential for ground
rupture, defined by the Alquist-Priolo
Earthquake Fault Zoning Act and delineated
by CGS. Figure 3 shows the designated
Alquist-Priolo study zones, the closest of
which is the Newport-Inglewood Fault
approximately nine miles northeast of the
city.
Table 3 Active Faults Located less than 50 Miles from Rolling Hills
Fault Name* Approximate Distance from Rolling Hills
Whittier 25 miles east
Newport-Inglewood 9 miles east
Palos Verdes <1 mile north
Malibu Coast 20 miles northwest
Cabrillo Located in the City boundaries
Santa Monica 20 miles north-northwest
*All faults listed are active. An active fault is one that has experienced surface movement in the past 11,000 years.
23
City of Rolling Hills
Rolling Hills General Plan
10
Liquefaction and Settlement
Liquefaction is a ground failure phenomenon
that occurs as a result of a seismic event.
Liquefaction increases water content in
surface soils until the soil reaches a semi-
liquid state, contributing to a reduction in
support, and ultimately resulting in shifting or
subsidence of buildings and utilities. Ground
failure typically occurs when the following
conditions exist:
▪ Loose, unconsolidated granular soils
▪ Shallow groundwater
▪ Strong seismic ground shaking
While Rolling Hills has moderate to high
seismic shaking potential, the subsurface soils
generally lack saturated alluvial deposits and
thick, granular soils. Figure 5 shows the
liquefaction hazard areas, which are in the
low-lying areas to the east and north,
generally surrounding the Los Angeles Harbor
and Harbor Lake. Liquefaction potential for
Rolling Hills is low, as shown in Figure 5.
Earthquake Induced Landslides
Ground failure or destabilization of slopes
resulting from an earthquake can also occur
following seismic activity in the form of
Earthquake-Induced Landslides. Earthquake-
induced landslides typically occur in areas
with steep slopes or unstable soil conditions.
As discussed above under Landslide Hazards,
the risk of landslide activity in Rolling Hills is
high. Much of the city overlies areas that have
been identified as landslide zones by the CGS.
Risk of landslide activity increases following
rainfall events that result in saturated soils.
Both shallow and deep seeded landslides
have historically occurred in the city.
Flooding
Rolling Hills participates in the Federal
Emergency Management Agency’s (FEMA)
National Flood Insurance Program. According
to the FEMA flood maps, the city is not
located in a flood hazard area and currently
has a less than 0.2 percent annual chance to
be inundated by flood waters as a result of a
storm event (FEMA 2008). Overall, the city is
not in any immediate risk from flooding
caused by overflowing water bodies or heavy
rains. However, runoff and minor flooding
pose a risk if drainage systems fail along
canyon bottoms, where natural drainage
leads.
Dam Inundation
No water storage facilities that the State of
California identifies as dams are located in
Rolling Hills. Just outside city limits are three
water storage facilities identified as dams,
which include:
▪ Palos Verdes Reservoir. Owned by the
Metropolitan Water District of Southern
California and located at the southeast
corner of Palos Verdes Drive East and
Palos Verdes Drive North. According to
the California Department of Water
Resources, the reservoir can hold
approximately 1,100 gallons of water and
has an extremely high downstream
hazard.
▪ 10 MG Walteria and 18 MG Walteria.
Two reinforced concrete tanks which are
owned by the City of Torrance and
located at Crenshaw Boulevard and Crest
Road. The tanks can hold 31 and 58 acre-
feet (AF) of water, respectively.
Senate Bill 92, adopted in 2017, is a new dam
safety requirement that requires dam owners
to map the downstream inundation areas for
dams governed by the Department of Water
Resources. Figure 6 shows the inundation
areas for the nearby water storage facilities.
Due to their locations and the topography of
the area, the inundation areas do not enter or
affect any portion of the city.
24
Hazards of Concern
Safety Element 11
Figure 4 Rolling Hills Earthquake Shaking Potential
25
City of Rolling Hills
Rolling Hills General Plan
12
Figure 5 Rolling Hills Liquefaction Hazard Areas
26
Hazards of Concern
Safety Element 13
Figure 6 Dam Inundation Areas
27
City of Rolling Hills
Rolling Hills General Plan
14
Wildland and Urban Fires
The entire City of Rolling Hills is designated a
Very High Fire Hazard Severity Zone (VHFHSZ)
by the California Department of Forestry and
Fire Protection (CalFire), as shown in Figure 7.
Rolling Hills terrain is comprised of several
large and steep canyons that limit and
challenge vegetation management and
present conditions where a fire can quickly
travels up and downslope to nearby homes.
Due to the rural nature and large residential
lots, many homes are surrounded by more
substantial vegetation and dense brush than
in more suburban settings. The bridle trails
for hikers and equestrian access also contain
dense vegetation and management
difficulties, which contributes to the fire risk
of the city. Electrical power lines pose a
hazard to starting fires in the city if lines are
not automatically de-energized when
knocked down by extreme weather or if the
surrounding vegetation is not adequately
managed.
There is a history of fires in the city and the
surrounding Palos Verdes Peninsula. Three
major fires have been documented on the
Peninsula and in the city in:
▪ 1923: an estimated 4,000 acres burned in
Palos Verdes Hills
▪ 1945: 3,000 acres burned
▪ 1973: approximately 900-925 acres
burned, 12 homes destroyed, and 10
homes damaged
▪ 2005: 212 acres burned near Del Cero
Park
▪ 2009: 230 acres burned, 6 homes
damaged, and forced 1,200 residents on
the Peninsula to evacuate
▪ 2015: 3 acres burned
Los Angeles County Fire Station No. 56
28
Hazards of Concern
Safety Element 15
Figure 7 Fire Hazard Zones
29
City of Rolling Hills
Rolling Hills General Plan
16
For many of the developed residences in the
city that are vulnerable to fires, their risk may
increase with construction techniques that
may not meet current wildfire standards.
Rolling Hills Building Code and Los Angeles
County Fire Department, under the VHFHSZ
standards, require new development to
include more stringent design and material
standards for roofing, eaves, and rafter tails
as well as exterior finishes and fire buffer
zones. While compliance with these
standards reduces the vulnerability to new
structures, existing structures that have not
complied with these standards may be
susceptible to undue fire risk.
Existing Fire Risk Reduction
Strategies
▪ Rolling Hills Municipal Code (RHMC)
Chapter 8.24 Abatement of Nuisances,
Chapter 8.30: Fire Fuel Abatement, and
Chapter 15.20 Fire Code
▪ Los Angeles County Fire Department Fuel
Modification Plans
▪ Los Angeles County Fire Code Section
4908
▪ Rolling Hills Community Wildfire
Protection Plan vegetation management
standard recommendations
▪ Rolling Hills Community Association fire
fuel management strategies
Portuguese Bend Road, south of Crest Road
30
Community Communication
Safety Element 17
Hazardous Materials
According to the Department of Toxic
Substances Control (DTSC), there are no
hazardous waste sites or facilities in Rolling
Hills (DTSC 2020). The city and surrounding
area do not contain heavy industrial uses that
would create a hazardous material risk in the
event of a spill, release, or natural disaster.
The city is not located near any major transit
routes involving transport of a substantial
quantity of hazardous material through the
city. However, the nearby oil refineries
(located along Sepulveda Boulevard
approximately six miles northeast) and Port
operations (located approximately three
miles to the east) could create air quality
impacts if wind patterns and release events
occur. Air quality impacts are discussed in the
Open Space and Conservation Element of the
Rolling Hills General Plan.
Community
Communication
Emergency Response and
Evacuation
Police Response and Crime
The Los Angeles County Sheriff’s Department
is contracted with the city to provide police
services and protection to the city. The
Lomita Station of the Sheriff’s Department
located at 26123 Narbonne Avenue serves
the city.
According to the Lomita Station crimes report
from January 1, 2020, through December 31,
2020, Rolling Hills had 7 reported crimes
(LACSD 2020). The crimes were related to
theft, burglary, and arson. Outside the city
limits and in the Lomita District, 401 crimes
were reported during this same period, 79 of
which were violent crimes (LACSD 2021). The
difference in crimes in the city and the
surrounding area is attributed to the private
nature of the city. There are three entrances
to the city, all of which are gated and staffed
24 hours a day. Visitors are required to be on
a resident’s guest list to enter city limits,
reducing crime in the city and demand on Los
Angeles County Sheriff’s Department.
Fire Response
The Los Angeles County Fire Department
provides emergency operations support to
the City and participates in the California
mutual aid system. Mutual aid is emergency
assistance that is dispatched upon request
across jurisdictional boundaries. Fire Station
56, located at 12 Crest Road West, serves the
city under Battalion 14, which also serves the
remaining Palos Verdes Peninsula, Lomita,
and Avalon Canyon. Fire response constraints
in the city include ability to access certain
homes or areas due to inadequate road
widths for fire maneuvering. One of the major
topics of concern related to fire response in
the city relates to vegetation clearing along
roadways. Ten-foot clearance on each side of
the roadway, especially the limited access
roads, is important for fire response and
evacuation during a fire, according to Scott
Hale, Assistant Fire Chief.
Evacuation Strategies and Routes
Because a variety of hazards could affect city
residents, it is vital to identify critical routes
for evacuation in the event of a major event.
Senate Bill 99, adopted August 30, 2020,
requires cities to “identify residential
developments in any hazard area identified in
the safety element that does not have at least
two emergency evacuation routes.” Due to
the size of Rolling Hills and that it has four
evacuation routes, no neighborhoods have
been identified as not having two evacuation
routes. As shown on the Figure 8, the
evacuation routes also connect to major
31
City of Rolling Hills
Rolling Hills General Plan
18
Figure 8 Existing Evacuation Routes
32
Community Communication
Safety Element 19
roadways in the area that are multi-
directional such as Crenshaw Boulevard, Palos
Verdes Drive North and Palos Verdes Drive
East.
Figure 8 identifies the existing evacuation
routes in the city, which are:
▪ Main Gate at Rolling Hills Road and Palos
Verdes Drive North
▪ Crest Gate at Crest Road near Crenshaw
Blvd
▪ Eastfield Gate at Eastfield Drive and Palos
Verdes Drive East
▪ Crest Road East Gate at the end of Crest
Road East
Crest Road East Gate has been updated with a
motor and has no guards. This gate is
available as an emergency exit to the city
during emergencies. The City’s recently
adopted CWPP establishes evacuation
strategies and methodologies, including:
▪ Using the City’s Block Captains3 as
important coordinators for residents
▪ Communication goals between the City,
emergency responders, Rolling Hills
Community Association, and residents
▪ Details for residents regarding how
people get notified during an evacuation
▪ Responsibilities and operations of the
Emergency Operations Center
Disease Prevention
As evidenced by the COVID-19 pandemic,
unforeseen infectious diseases can be
disastrous for communities, especially
vulnerable groups such as older adults, and
people with compromised immune systems.
The City worked diligently during the
pandemic to minimize risk to community
members. The Block Captains regularly
checked in on old adults in the community,
Fire Station Trail
3 The Rolling Hills Block Captain Program is a city-sponsored,
resident-based community program of volunteers. Their role is
to get to know neighbors, help them to prepare for an
emergency, and be a liaison between first responders and City
of Rolling Hills during an emergency.
33
City of Rolling Hills
Rolling Hills General Plan
20
finding out what residents needed, helping
run errands, and providing hand sanitizer
Additionally, the City disseminated
information regularly including where to buy
groceries at the beginning of the pandemic,
testing information, and more. Policies
regarding infectious disease can help expedite
recovery and prepare the community for
future risks.
Climate Change
Climate change is expected to affect future
occurrences of natural hazards in and around
Rolling Hills. Some hazards are projected to
become more frequent and intense in the
coming decades, and in some cases, climate
impacts have already begun.
In developing the Safety Element, the City
competed a Climate Change Vulnerability
Assessment consistent with Government
Code Section 65302(g), which assesses how
the populations and assets in Rolling Hills are
vulnerable to different climate hazards. The
full Climate Change Vulnerability Assessment
can be found in Appendix A: Existing
Conditions Report. According to the
Vulnerability Assessment, the city is most
vulnerable to wildfire impacts, extreme heat,
and landslide impacts from climate change.
According to the Vulnerability Assessment
and the California’s Fourth Climate Change
Assessment, Rolling Hills can expect the
following changes to natural hazard events:
▪ Projected annual average maximum
temperature is expected to increase in
Rolling Hills between 1.8- and 6.6-degrees
Fahrenheit (°F) compared to 1990,
depending on the greenhouse gas (GHG)
emissions scenario.4
4 The Vulnerability Assessment uses two GHG emissions
scenarios: Representative Concentration Pathway (RCP) 4.5
and RCP 8.5. RCP 4.5 describes a scenario in which GHG
▪ Extreme heat events are also expected to
increase in Rolling Hills. The annual
number of average extreme heat days is
projected to increase from a baseline of 4
between 1950 and 2005 to 8 or 14
between 2030 and 2099, depending on
the GHG emissions scenario.
▪ Although only small changes in average
precipitation are projected, the Los
Angeles Region, which includes Rolling
Hills, is expected to experience dry and
wet precipitation extremes and higher
frequency and severity of storms.
Increasing storm intensity may
exacerbate landslide hazards in the city.
Warmer and drier conditions state-wide
could increase the prevalence of drought
conditions that could impact Rolling Hills.
▪ Wildfire is projected to increase over all
of southern California.
Vulnerable Populations
and Assets
As climate change occurs, communities will
be affected to varying degrees and impacts
depending on the hazard as well as how
sensitive the communities are to impacts.
Virtually all people and assets in a community
will be affected by climate change in some
way, but some communities may be more
sensitive. The Vulnerability Assessment
identified the following sensitivities:
Populations
▪ Children. Approximately 6.6 percent of
the total population in Rolling Hills are
ten years old or younger.
▪ Persons in Poverty. This is identified for
people living in households with an
income below the poverty limit, which is
$26,200 for a household of four people.
There are approximately 26 people in
emissions peak around 2050 and then decline. RCP 8.5 is the
scenario in which GHG emissions continue to rise through 2050
before leveling off around 2100.
34
Climate Change
Safety Element 21
Rolling Hills who live in poverty, or
approximately 1.6 percent of the total
population for whom poverty status can
be determined.
▪ Persons with Chronic Health Conditions.
These are people who have a long-term
or permanent health condition that can
create regular challenges in their day-to-
day lives. These health problems include
obesity, cancer, heart disease, and
arthritis. In addition, those with any kind
of disability, including mobility challenges,
hearing, or vision impairments,
behavioral disabilities, and challenges
living independently or taking care of
themselves. Approximately 11.5 percent
of the population have identified having a
disability.
▪ Renters. These are people who live in
homes that they (or the head of their
household) do not own. Approximately 24
housing units, or 4 percent of the housing
units in Rolling Hills, are renter-occupied.
▪ Older Adults. These are persons 65 years
or older are more at risk for climate
change impacts, especially those living
alone. 28 percent of the population of
Rolling Hills are over 65 years, and 15
percent of those over 65 years live alone.
▪ Limited English Proficiency.
Approximately three percent of
households have identified being limited
English-speaking. Of those, a majority
spoke Asian and Pacific Island languages
and Spanish.
Infrastructure
▪ Access Roads. These roadways are one of
a few, or the only, ways in and out of
some communities or neighborhoods.
The single or limited number of entry and
exit points does not make the road itself
more vulnerable than other roads, but
loss of these roadways can effectively cut
off large numbers of people from other
areas in the Palos Verdes Peninsula and
the rest of Los Angeles County.
Portuguese Bend Road and Crest Road
are the primary access roads into and out
of the city.
▪ Bridle Trails. Throughout the community
are over 25 miles of trails available to
residents and non-city residents who
obtain permits. The trails are maintained
by the Rolling Hills Community
Association and located primarily in
canyon areas.
▪ Electrical Substations. Electrical
substations are facilities that convert
electricity from one voltage to another,
making it suitable for long-distance
transmission or for use by homes,
businesses, and other electrical
customers. There are no electrical
substations located in city limits, but
three are located near the city in Rancho
Palos Verdes and owned/operated by
Southern California Edison.
▪ Electrical Utility Lines. These lines
transmit and deliver electricity from
Southern California Edison to the city. The
city has both underground and overhead
electric utility lines.
▪ Natural Gas Transmission Pipelines.
Natural gas pipelines carry large volumes
of natural gas between communities.
There are no transmission lines in the
city. One transmission line ends at the
intersection of Rolling Hills Road and
Palos Verdes Drive North, adjacent to city
limits.
▪ Water Reservoirs and System. The
system that stores and supplies drinking
water for residents. Palos Verdes Water
District of the California Water Service
supplies water to Rolling Hills. There are
two California Water Service water
reservoirs in the city limits.
Services
▪ Public Safety Response. Public safety
services are provided by law enforcement
35
City of Rolling Hills
Rolling Hills General Plan
22
and fire agencies. These agencies include
the Los Angeles County Sheriff and Fire
Departments.
▪ Water Services. These services involve
treating and transporting water to be
used by customers and transporting and
treating wastewater so it can be safely
released into the environment. California
Water Service provides drinking water to
the city.
▪ Energy Delivery. Energy services in
Rolling Hills include electricity and natural
gas delivered through utility lines from
Southern California Edison and Southern
California Gas Company.
Vulnerability Assessment
Results
The Vulnerability Assessment indicates that
the city’s populations, infrastructure, and
services are most vulnerable to wildfire,
extreme heat, and extreme precipitation
events.
Populations
Vulnerable populations such as older adults,
residents with chronic health conditions, and
those with financial trouble are most at risk to
extreme heat and wildfire impacts.
28 percent of the city’s population is over 65
years. Older adults do not adjust as well as
young people to sudden changes in
temperature and are more likely to have
medical conditions that can worsen with
extreme heat (CDC 2017a). Older adults who
are living alone are even more at risk as the
actions necessary to mitigation extreme heat
are more difficult alone. Getting water,
changing clothes, showering, or turning on
the air conditioner may be more difficult for
older adults with physical disabilities and do
not have a partner to assist them. Extreme
heat can be highly dangerous to persons with
chronic health conditions, because very high
temperatures can exacerbate diabetes,
cardiovascular conditions, respiratory
ailments, and other diseases. Some of these
people have weakened immune systems
which can make them more likely to contract
illnesses and vulnerable to human health
hazards. In addition, they may be taking
medications that make the effects of extreme
heat worse (CDC 2017b). While there are not
many households in poverty in the city, those
who are have limited financial resources to
upgrade their homes to have air conditioning
to better resist extreme heat.
Older adults, residents with chronic health
conditions, and those with financial trouble
are the populations most at risk to wildfire
impacts. Older adults are almost three times
more likely to die in a fire than the overall
population (USFA 2017), and typically have
increased mobility or mental health issues.
Therefore, older adults, especially those in
the city living alone, have more difficulties
evacuating to safe areas when there is a
need. Those in Rolling Hills with limited
financial resources are more unlikely to
retrofit their homes to better resist climate-
related hazards such as wildfires. In addition
to direct impacts, indirect impacts such as
poor air quality also creates public health
hazards to the city. Recent California wildfires
in August and September 2020 had areas of
California recording the worst air quality in
the world and highlighted the hazards of
secondary impacts from wildfires, which
could impact the city from fires throughout
the State. Older adults and individuals with
chronic health conditions are likely to be
impacted most by these secondary impacts.
Also, those with limited finances or without
air conditioning would be impacted by
secondary smoke impacts that occur during
local and regional wildfires.
Infrastructure
Access roads, residential structures, and
community facilities and government
buildings are the most vulnerable
36
Climate Change
Safety Element 23
infrastructure to wildfire and extreme
precipitation impacts from climate change.
All city infrastructure is located in a VHFHSZ.
Portuguese Bend Road and Crest Road are
critical for access to and evacuation from
many areas of the city. Wildfires may not
significantly damage the infrastructure, but
they could result in closure or the inability to
travel on them during wildfire events, which
can isolate areas of the city and create severe
health and safety risks. Wildfires are unlikely
to substantially damage trails directly, but
they can force widespread trail closures
which are an important asset to the
community.
The greatest potential impact of life and well-
being would be to residential structures,
which are the primary structures in the city.
In addition, impacts to Rolling Hills
Community Association and City Hall
structures would impact community functions
and government services.
Critical infrastructure most at risk in Rolling
Hills to minor flooding impacts and landslides
from increased storms would be access roads,
bridle trails, electrical utility lines, and water
systems. Because Portuguese Bend Road and
Crest Road are critical for access to and
evacuation from the city, any damage or
closure can effectively isolate areas of the
city, potentially creating severe health and
safety risks. Bridle trails are predominantly
located in canyon areas, which would be
more susceptible to flooding and landslides.
Landslides could impact utilities, as seen in
the existing Flying Triangle Landslide area,
which has moved utility lines above ground in
certain areas due to the continuous
movement of the earth in this area. Due to
the limited accessibility of the city, there is a
medium potential for impacts to access roads
and bridle trails and a low potential impact
for the remaining vulnerable infrastructure.
Services
Energy delivery, specifically electricity
delivery, could be impacted from increased
wildfires. Direct impacts to Southern
California Edison electricity transmission
infrastructure could impact power in the city.
In addition, utility companies have begun
shutting off power to areas to avoid wildfires
during times when weather creates high
wildfire risk. Public safety services could be
strained during wildfire events, which are
expected to increase.
Overall, climate change impacts from wildfire
are projected to have the greatest potential
impact to the city.
37
City of Rolling Hills
Rolling Hills General Plan
24
Goals, Policies, and Implementation
Hazard Mitigation
Goal 1 Minimization of Loss of Life, Injury, and Property Damage
Resulting from Geologic Hazards
Policy 1.1 Ensure that existing structures throughout the City meet seismic safety standards
and that new facilities are developed to updated standards.
Implementation Measure 1.1.1: The City will work with Los Angeles County Building
and Safety Department and other agencies to ensuring that all proposed structures
in the city meet current seismic safety code requirements.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building and Safety Department
Funding: General Fund and permit fees
Policy 1.2 Support earthquake strengthening and provision of alternative or backup services,
such as water, sewer, electricity, and natural gas pipelines and connections,
especially in areas of high seismic or geologic high hazard or where weak segments
are identified by existing or future studies.
Implementation Measure 1.2.1: Require future development in active fault areas to
provide geotechnical studies indicating the location of the fault trace relative to
proposed improvements and identify appropriate mitigation. The City will evaluate
the seismic risk to existing infrastructure in these areas and where appropriate,
examine the feasibility of mitigating the risk over time.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building and Safety Department
Funding: General Fund and private developers
Policy 1.3 Enforce seismic design provisions from the California Building Code into all
development and ensure adequate review and inspection.
Implementation Measure 1.3.1: The City will work with Los Angeles County Building
and Safety Department and other agencies to ensuring that all proposed structures
in the city meet current seismic safety code requirements.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building and Safety Department
Funding: General Fund and private developers
Implementation Measure 1.3.2: Require fault investigations along traces of the
Palos Verdes and Cabrillo faults to comply with guidelines implemented by the
Alquist-Priolo Special Studies Zone Act. Buildings for human occupancy should be
set back a minimum of 50 feet from those faults that are shown to be active or from
fault traces where the risk cannot be determined.
38
Goals, Policies, and Implementation
Safety Element 25
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building and Safety Department
Funding: General Fund and private developers
Policy 1.4 Require review by a structural engineer when a critical building or facility undergoes
substantial improvements.
Implementation Measure 1.4.1: City staff will review existing ordinances to ensure
that the appropriate review requirements are included in them. In addition, the
Seismic Safety Ordinance will require a structural engineer to review development
proposals in designated Special Studies Zones.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building & Safety Department
Funding: General Fund and private developers
Policy 1.5 Ensure that water supplies are not interrupted by seismic events such as surface
rupture, ground shaking or ground failure.
Implementation Measure 1.5.1: The City may conduct a seismic vulnerability
assessment of current water supply systems to address peak load water supply
requirements. If the vulnerability assessment indicates a potential interruption of
water supply due to damage from a seismic event, designate emergency sources of
water.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building & Safety Department
Funding: General Fund
Policy 1.6 Discourage development adjacent to earthquake faults and other geological
hazards.
Implementation Measure 1.6.1: All development will comply with the Seismic
Hazards Overlay Zone.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund and private developers
Policy 1.7 Continue to require preliminary investigations of tract sites by State-registered
geotechnical engineers and certified engineering geologists (Chapter 70 County
Building Code) and ensure regular inspection of grading operations.
Implementation Measure 1.7.1: The City will continue to enforce the Building Code
and Safety regulations.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund
39
City of Rolling Hills
Rolling Hills General Plan
26
Goal 2 Minimization of Loss of Life, Injury, and Property Damage Due to
Flood Hazards
Policy 2.1 Maintain storm drains to prevent local flooding and debris flows, and encourage
residents to assist in maintaining those drains that are the responsibility of the
homeowner.
Implementation Measure 2.1.1: The City will cooperate with the Los Angeles
County Public Works Department to maintain storm drains in the City.
Timing: Immediate and ongoing
Agency: LA County Building & Safety Department
Funding: General Fund
Implementation Measure 2.1.2: The City will encourage homeowner maintenance
of storm drains by developing educational materials to be added to the City website
and included in the City’s newsletter.
Timing: Immediate and ongoing
Agency: LA County Building & Safety Department
Funding: General Fund
Policy 2.2 Avoid construction in canyon bottoms and participate in the National Flood
Insurance Program. Require new development or expansion of existing
development adjacent to canyons to assess potential environmental impacts from
increased run-off and erosion and evaluate appropriate mitigation. Mitigation
measures should address projected impacts from climate change.
Implementation Measure 2.2.1: The City will evaluate the flood hazard potential
and address climate change impacts in future environmental review. The City will
ensure that development in areas designated as a Flood Hazard Overlay Zone
mitigates potential flood impacts.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund and private developers
Implementation Measure 2.2.2: The City will require the submission of soil
engineering reports for land development permits when soil erosion problems are
suspected.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund and private developers
40
Goals, Policies, and Implementation
Safety Element 27
Goal 3 Minimization of Loss of Life, Injury, and Property Damage
Resulting from Fire Hazards
Policy 3.1 Develop stringent initial site design and on-going maintenance standards
incorporating adequate mitigation measures into individual developments to
achieve an acceptable level of risk, considering the increased risk associated with
increased wildland fire hazards due to climate change.
Implementation Measure 3.1.1: The City will work with the Los Angeles County Fire
Department, Los Angeles County Sheriff’s Department, and Rolling Hills Community
Association to review current standards for wildfire prevention and improve
standards and/or regulations where required.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 3.1.2: The City will implement recommended fire
mitigation strategies from the Community Wildfire Protection Plan including
infrastructure hardening and vegetation management for and around existing and
new development.
Timing: Immediate and ongoing
Agency: Planning Department/Building & Safety Department
Funding: General Fund
Policy 3.2 Reduce potential fire ignition sources.
Implementation Measure 3.2.1: The City will continue to implement the utility
undergrounding projects described in the Community Wildfire Protection Plan.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 3.2.2: Designate and publicize emergency access routes
with the city and sub region. Prioritize undergrounding of utilities to enhance
reliability of emergency access routes and minimize conflagration hazards from
fallen power lines.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 3.3 Develop and implement a comprehensive retrofit strategy for existing structures.
Implementation Measure 3.3.1: The City will develop and implement a
comprehensive retrofit strategy for existing structures and lifeline utilities in very
high fire risk areas to increase public safety and reduce the risk of property loss and
damage during wildfires.
41
City of Rolling Hills
Rolling Hills General Plan
28
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building & Safety Department
Funding: General Fund
Implementation Measure 3.3.2: Enforce existing ordinances and regulations that
apply to roofing materials. The City will enforce a Class A Roofing Ordinance for all
structure, as described in the Community Wildfire Protection Plan. The City will
require old roofs to be removed prior to reroofing to increase the fire-resistance of
the structure.
Timing: Immediate and ongoing
Agency: Planning Department/Building & Safety Department
Funding: General Fund
Policy 3.4 Ensure that all new residential development has at least two emergency
evacuations.
Implementation Measure 3.4.1: The City will review and update emergency
response and evacuation plans and procedures annually to reflect current
conditions and community needs.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building & Safety Department
Funding: General Fund
Implementation Measure 3.4.2: Create secondary access in communities with
single access.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 3.4.3: Identify special populations and large animals,
especially horses, that may need assistance to evacuate.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 3.5 Whenever feasible, locate the following outside flood and fire hazard zones: health
care facilities, emergency shelters, fire stations, emergency command centers, and
emergency communications facilities.
Implementation Measure 3.5.1: The City will require review of new essential
facilities and, as necessary, development of measures to avoid flood and fire hazard
impacts.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building & Safety Department
Funding: General Fund and private developers
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Goals, Policies, and Implementation
Safety Element 29
Policy 3.6 Educate residents on fire hazard reduction strategies to employ on their properties,
focusing on the most vulnerable populations such as older adults and individuals
with chronic health conditions.
Implementation Measure 3.6.1: The City will promote vegetation management
strategies outlined in the Community Wildfire Protection Plan (i.e., fuel
management in canyons and fire fuel management standards for individual
properties) in the City's quarterly newsletter, through the website, brochures,
videos, and block captain meetings.
Timing: Immediate and ongoing
Agency: Planning Department and City Manager
Funding: General Fund
Policy 3.7 Work with the County to ensure that all fire equipment remains operable and
adequate to respond to a major disaster.
Implementation Measure 3.7.1: City staff will monitor the City's fire protection
rating and cooperate with the Fire Department in the correction of deficiencies.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 3.8 Require new development to meet or exceed hardening requirements in the most
current version of the California Building Codes and California Fire Code.
Policy 3.9 Evaluate evacuation route capacity, safety, and viability under a range of emergency
scenarios as part of the next update to the Rolling Hills Hazard Mitigation Plan, in
accordance with AB 747.
Policy 3.10 Update the City's development standards to be in conformance with title 14, CCR,
division 1.5, chapter 7, subchapter 2, articles 1-5 (commencing with section 1270)
(SRA Fire Safe Regulations) and title 14, CCR, division 1.5, chapter 7, subchapter 3,
article 3 (commencing with section 1299.01) (Fire Hazard Reduction Around
Buildings and Structures Regulations).
Policy 3.11 Minimize risks to existing development by identifying existing non-conforming
development to contemporary fire safe standards, in terms of road standards and
vegetative hazard, and requiring all development to meet or exceed CCR, division
1.5, chapter 7, subchapter 2, articles 1-5 requirements (SRA Fire Safe Regulations).
Policy 3.12 Require fire protection plans for all new development.
Policy 3.13 Require all properties in the city to enforce precautionary measures to create
defensible space including, but not limited to, maintaining a fire break by removing
brush and flammable vegetation located within 30 feet of the property, maintaining
any tree adjacent to or overhanging any building free of dead or dying wood, and
maintaining roofs free of leaves, needles, or other dead vegetation growth, as
described in the Rolling Hills Hazard Mitigation Plan.
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City of Rolling Hills
Rolling Hills General Plan
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Policy 3.14 Evaluate the City’s capacity to adequately suppress wildfire, taking into account
water supply availability, as part of the next Rolling Hills Hazard Mitigation Plan
update.
Policy 3.15 Coordinate with Palos Verdes Water District to support the provision of adequate
water availability throughout the City and provision of adequate water storage to
meet future peak fire demand during times of peak domestic demands.
Policy 3.16 Maintain emergency roadways and improve them as necessary and appropriate to
ensure ongoing serviceability.
Policy 3.17 Establish and maintain community fire breaks and fuel modification/reduction
zones, including public and private road clearance.
Policy 3.18 Require that all homes have visible street addressing and signage.
Goal 4 Minimization of Impacts to Life and Property Associated with the
Use, Storage, or Transport of Hazardous Materials
Policy 4.1 Restrict the travel of vehicles carrying hazardous material through the city.
Implementation Measure 4.1.1: The City will ensure the Los Angeles County
Sheriff's Department enforce licensing and current laws regarding the transport of
hazardous materials through the city.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 4.2 Work to promote the safe use and disposal of household hazardous wastes.
Implementation Measure 4.2.1: The City will work with agencies responsible for the
disposal of household hazardous wastes.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
44
Goals, Policies, and Implementation
Safety Element 31
Community Communication
Goal 5 Protection of the Community from Disasters and Emergencies
Policy 5.1 Designate and develop specific critical facilities as emergency centers to serve the
entire City and work with other cities to maintain existing trauma care facilities that
serve the region.
Implementation Measure 5.1.1: The City will meet with other communities in the
region to discuss the loss of trauma care centers in the region. The City will examine
the feasibility of establishing the development of a critical/trauma care unit at one
of the local clinics or hospitals in the region.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.2 Cooperate with the Los Angeles County Sheriff’s Department to ensure that law
enforcement services are ready and available to serve the city in the event of a
major disaster.
Implementation Measure 5.2.1: City staff will monitor the City's contract and
budget with the Sheriff’s Department to ensure that adequate service levels are
maintained.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.3 Develop and coordinate medical assistance procedures in the event of a major
disaster.
Implementation Measure 5.3.1: City staff will develop and update the Emergency
Operations Plan, which will be distributed to the community. The update of the
Emergency Operations Plan will include an assessment of current emergency service
and projected emergency service needs, and goals or standards for emergency
services training for City staff and volunteers.
Timing: Ongoing
Agency: City Manager
Funding: General Fund
Policy 5.4 Inventory and, where necessary, acquire supplemental disaster communication
equipment and other equipment, tools, and supplies used by Block Captains during
an emergency.
Implementation Measure 5.4.1: City staff will complete an inventory of
infrastructure needed to support emergency communications and equipment
needed for use by Block Captains and the City to communicate during emergencies,
as described in the Community Wildfire Protection Plan.
Timing: Immediate and ongoing
Agency: City Manager
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City of Rolling Hills
Rolling Hills General Plan
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Funding: General Fund
Implementation Measure 5.4.2: A survey will be done by the City periodically to
establish an inventory of equipment which could be used in the event of a major
disaster.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.5 Ensure that adequate provisions are made to supply drinking water for extended
periods of time in the event of a major disaster.
Implementation Measure 5.5.1: City staff will inventory sources of potable water
that could be used in the event of an emergency and the means to distribute that
water to residents and others in the Planning Area.
Timing: Immediate and ongoing
Agency: LA County Building & Safety Department
Funding: General Fund
Policy 5.6 Develop procedures to follow in the event of wildfire, flooding, erosion, and
possible reservoir failure and investigate ways of reducing the likelihood of their
occurrence.
Implementation Measure 5.6.1: The City will update the Hazard Mitigation Plan
every five years to reduce the risk from hazards by identifying resources,
information, and strategies for risk reduction, while helping to guide and coordinate
mitigation activities throughout the city.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.6.2: City staff will develop and maintain an Emergency
Operations Plan, which will set forth an operating strategy for managing potential
emergencies (as described in the Hazard Mitigation Plan)
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.7 Ensure that City Hall maintains a current emergency supply of water, food, blankets,
and first aid to provide for all employees for a 3-day period.
Implementation Measure 5.7.1: A City staff person will be assigned the task of
compiling a list of supplies and maintaining an adequate stockpile.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.8 Encourage private businesses to develop disaster preparedness plans for their
employees.
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Goals, Policies, and Implementation
Safety Element 33
Implementation Measure 5.8.1: The City will prepare and distribute a brochure
outlining recommendations for stockpiling supplies for employees.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.9 Encourage residents to attend periodic training programs on wildfire mitigation and
disaster planning, and to develop disaster preparedness and evacuation plans.
Implementation Measure 5.9.1: The City will work with the RHCA and Block
Captains to launch a communication and education program that will include a
workshop on How to Develop an Evacuation Plan for your Family, as described in
the Community Wildfire Protection Plan.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.9.2: The City will work with the RHCA and Block
Captains to promote training programs on wildfire mitigation and disaster planning
through the newsletter and the City website.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.10 Support the development and further implementation of a peninsula-wide disaster
plan.
Implementation Measure 5.10.1: The City will coordinate its disaster planning
efforts with neighboring jurisdictions in the region as part of Hazard Mitigation Plan
updates
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.11 Increase public awareness of City emergency response plans, evacuation routes and
shelters, and in ways to reduce risks at the home and office, focusing on the most
vulnerable populations such as older adults and individuals with chronic health
conditions.
Implementation Measure 5.11.1: The City will prepare communication materials
outlining procedures to follow in the event of a major disaster. These materials will
be distributed to every household and business in the city.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.11.2: The City will maintain the City-wide
Neighborhood Watch program.
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Rolling Hills General Plan
34
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.11.3: The City will define refuge areas in the event of a
wildfire event to include in the Emergency Operations Plan. This effort will be led by
the Fire Department and the Sherriff’s Department.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.11.4: The City will distribute educational materials for
large animal evacuation, consistent with Community Wildfire Protection Plan
recommendations. This will include adding the information to the City website and
including it in the City’s newsletter during the fire season.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.11.5: The City will work with Block Captains to provide
emergency education and information through the City’s newsletter and website
and by providing workshops and seminars described in the Community Wildfire
Protection Plan.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.12 Maintain a Hazard Mitigation Plan.
Implementation Measure 5.12.1: The City will coordinate with the American Red
Cross and Los Angeles County Fire, Sheriff, and Public Social Services to develop
specific plans for responding to emergencies as part of Hazard Mitigation Plan
updates. The City will submit copies of its Hazard Mitigation Plan to the Los Angeles
County Fire and Sheriff’s Departments for review. The City will review similar plans
prepared by neighboring cities.
Timing: Every five years
Agency: City Manager
Funding: General Fund
48
Goals, Policies, and Implementation
Safety Element 35
Policy 5.13 Ensure maximum accessibility throughout the city in the event of a disaster.
Implementation Measure 5.13.1: The City will ensure that multipurpose trails are
maintained in order to be serviceable by emergency vehicles in the event of a
disaster.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.14 Ensure the reliability of essential facilities such as communications towers, electrical
substations, water services, and first-response buildings in the event of an
emergency through promoting grid resilience and energy independence. Work to
implement on-site power generation through solar photovoltaic systems and
battery storage.
Implementation Measure 5.14.1: The City will work with telecommunication
providers to identify opportunities to improve reliability of cell service throughout
the city.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.14.2: The City will work with electricity and natural gas
providers to identify opportunities to promote grid resilience.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.14.3: The City will seek funding to enhance
telecommunication service.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.14.4: The City will provide educational materials to
residents (i.e., newsletter, webpage, brochure) to promote solar panels and battery
storage installation on existing development.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.15 Minimize the risk of spread of infectious diseases and associated economic
disruption.
Implementation Measure 5.15.1: The City will coordinate with the County of Los
Angeles Public Health Department to provide testing and contact tracing resources
to the Rolling Hills community.
Timing: Immediate and ongoing
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City of Rolling Hills
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36
Agency: City Manager
Funding: General Fund
Implementation Measure 5.15.2: The City will maintain up-to-date public health
services on the City’s website.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.15.3: The City will explore the need for additional
marketing campaigns to promote public safety protocol among City departments.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measures 5.15.4: The City will partner with local non-
governmental organizations (NGOs) to provide additional support and services in
the city.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measures 5.15.5: The City will partner with community groups and
neighborhood organizations to advertise what resources are available to residents.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
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Goals, Policies, and Implementation
Safety Element 37
Policy 5.16 Increase access to essential resources and facilitate effective communication in the
community to accelerate recovery following such a disaster.
Implementation Measure 5.16.1: The City will connect the newly unemployed with
talent-seeking industries, such as through a job portal.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Implementation Measure 5.16.2: The City will supplement federal relief efforts,
such as creating a resilience fund for residents to assist those in need.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.17 Provide City officials with a basis for disaster preparedness decision making and
establish a public education program for disaster preparedness.
Implementation Measure 5.17.1: The Emergency Services Coordinator will conduct
annual meetings with City personnel to ensure they are familiar with procedures
outlined in the Hazard Mitigation Plan and Emergency Operations Plan.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.18 Establish a line of command to ensure that the decision-making process will
function satisfactorily in the event of a major disaster.
Implementation Measure 5.18.1: The City will implement the Hazard Mitigation
Plan.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.19 Coordinate with citizen groups, such as Block Captains, and organizations to
establish a viable body to provide emergency assistance in the event of a natural
disaster.
Implementation Measure 5.19.1: The City Emergency Services Coordinator will
work with local equestrian groups and other organizations to establish a Rolling Hills
Search and Rescue Team.
Timing: Immediate and ongoing
Agency: City Manager and LA County Building & Safety Department
Funding: General Fund
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City of Rolling Hills
Rolling Hills General Plan
38
Policy 5.20 Encourage cooperation among adjacent communities to provide back-up law
enforcement assistance in emergency situations.
Implementation Measure 5.20.1: The City will submit copies of its Hazard
Mitigation Plan updates to the Los Angeles County Fire and Sheriff’s Departments
for review. The City will review similar plans prepared by neighboring cities.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 5.21 Incorporate health threats into early warning systems.
Implementation Measures 5.21.1: Partner with the Los Angeles County Vector
Control District and the Los Angeles County Department of Public Health to develop
and enhance disaster and emergency early warning systems to incorporate
objective data and information for potential health threats such as heat-illness,
illnesses complicated by low air quality, precipitation events, and vector borne
diseases due to climate change hazards.
Goal 6 Maintenance of Public Safety for All Residents
Policy 6.1 Work with, and support the Sheriff’s Department in crime prevention and law
enforcement efforts, to make sure there are adequate resources to meet the needs
of the community.
Implementation Measure 6.1.1: The City will conduct an annual review of its
contract with the Los Angeles County Sheriff’s Department to ensure current service
standards are maintained. Alternatives will be considered if service levels are
considered inadequate.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 6.2 Cooperate with neighboring cities, Los Angeles County, California State and U.S.
Federal agencies in crime prevention and law enforcement.
Implementation Measure 6.2.1: The City will continue to regularly coordinate with
all law enforcement agencies in combating crime.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
Policy 6.3 Evaluate the incidence of crime and develop measures needed to deter crime or
apprehend the criminals.
Implementation Measure 6.3.1: The City will monitor crime statistics for the
peninsula and the city. The City will meet with Los Angeles County on a regular basis
to discuss programs, ordinances, and other measures that will be effective in
combating crime.
Timing: Immediate and ongoing
Agency: City Manager
Funding: General Fund
52
Goals, Policies, and Implementation
Safety Element 39
Climate Change Adaptation and Resilience
Goal 7 Protection of the Community from the Effects of Climate Change
Policy 7.1 The City will continue to enforce updated State-mandated water conservation
regulations.
Implementation Measure 7.1.1: The City will continue to update the City’s zoning
ordinance as necessary to enforce and implement State-mandated water
conservation regulations.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund
Policy 7.2 Prepare for and adapt to the effects of climate change by considering climate
change vulnerability in planning decisions, including those involving new public
facilities and private development.
Implementation Measure 7.2.1: The City will:
a. Re-evaluate the City’s Climate Change Vulnerability analysis over time, as new
data becomes available
b. Update mitigation strategies and the City’s vulnerability and adaptive capacity,
as appropriate
c. Identify opportunities for new goals and policies related to climate change using
the best available data.
Timing: Immediate and ongoing
Agency: Planning Department and LA County Building & Safety Department
Funding: General Fund
Policy 7.3 Amend the local building code to account for climate change stressors.
Implementation Measure 7.3.1: The City will amend the local building code to take
into account additional stressors on buildings including, increased storm events and
intensity, flood proofing for intermittent inundation, slope/soils, subsidence risk and
erosion potential in securing foundations, building materials to reduce the impacts
of high heat days, and fireproofing in preparation for increasing fire risk.
Timing: Immediate
Agency: Planning Department and LA County Building & Safety Department
Funding: General Fund
Policy 7.4 The City will engage surrounding jurisdictions in climate adaptation planning.
Implementation Measure 7.4.1: Ensure the community’s engagement strategy for
climate adaptation planning includes surrounding jurisdictions to identify synergies
and harmonization of policies.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund
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City of Rolling Hills
Rolling Hills General Plan
40
Policy 7.5 Partner with the South Bay Cities Council of Government to implement climate
adaptation strategies at the sub-regional level.
Implementation Measure 7.5.1: Collaborate with the South Bay Cities Council of
Governments Senior Services Working Group to ensure that service providers in and
around Rolling Hills are educated on the climate risks of the area and steps they can
take to better serve and protect vulnerable groups in Rolling Hills.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund
Implementation Measure 7.5.2: Implement climate adaptation strategies that can
address issues at a local and sub-regional level and issues in which coordination and
pooling of resources (i.e., emergency centers, transit agency support in an
emergency, and large animal evacuation centers) is a benefit to all participating
communities.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund
Policy 7.6 Update emergency/disaster response measures to account for increased heat days.
Implementation Measure 7.6.1: As part of the Hazard Mitigation Plan and
Emergency Operations Plan, update response measures to account for an increased
number of heat days and their impacts on current and future response mechanisms
such as warning systems, emergency response and medical service coordination,
and shelters.
Timing: Every five years
Agency: Planning Department
Funding: General Fund
Policy 7.7 Provide education on heat related illness.
Implementation Measure 7.7.1: Incorporate links and references on the City
website and incorporate interpretive signage at multi-use path trailheads providing
education on heat related illness and personal care steps.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund
Policy 7.8 Require air conditioning alternatives.
Implementation Measure 7.8.1: Require alternatives to air conditioning such as
ceiling fans, air exchangers, increased insulation and low-solar-gain exterior
materials to reduce peak electrical demands during high heat events to ensure
reliability of the electrical grid.
Timing: Immediate and ongoing
Agency: Planning Department
Funding: General Fund
54
References
Safety Element 41
References
California Department of Toxic Substances and Control (DTSC). 2020. EnviroStor.
https://www.envirostor.dtsc.ca.gov/public/map/?myaddress=rolling+hills%2C+ca. Accessed
August 2020.
Center for Disease Control (CDC). 2017a. Heat and Older Adults.
https://www.cdc.gov/disasters/extremeheat/older-adults-heat.html. Accessed September
2020.
____. 2017b. Heat and People with Chronic Medical Conditions.
https://www.cdc.gov/disasters/extremeheat/medical.html. Accessed September 2020.
Federal Emergency Management Agency (FEMA). 2008. Flood Insurance Rate Map 06037C1940F.
Los Angeles County Sheriff’s Department (LACSD). 2021. Altadena Station Part I Crimes.
https://lasd.org/wp-content/uploads/2021/01/Transparency_Crime_Arrest_Patrol-
CurrentMonth-YTD_2019v2020.pdf. Accessed December 2021.
____. 2019. Hazard Mitigation Plan. January 16, 2019.
____. 2020. Community Wildfire Protection Plan. July 2020.
Southern California Earthquake Center (SCEC). 2013. Hazards and Threats Earthquakes List of Major
Active Surface Faults in Southern California. March.
U.S. Census Bureau. 2018. Rolling Hills, City 2018 ACS 5-Year Estimates.
https://data.census.gov/cedsci/table?q=Rolling%20Hills%20city,%20California&g=1600000U
S0662602&tid=ACSDP5Y2018.DP05&hidePreview=false.
Western Region Climate Center (WRCC). 2016. Period of Record Monthly Climate Summary.
https://wrcc.dri.edu/cgi-bin/cliMAIN.pl?ca8973. Accessed August 2020.
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Appendix A
Existing Conditions Report
57
Rolling Hills General Plan Safety Element
Existing Conditions Report
prepared by
City of Rolling Hills
Planning and Community Services
2 Portuguese Bend Road
Rolling Hills, California 90274
prepared with the assistance of
Rincon Consultants, Inc.
706 South Hill Street, Suite 1200
Los Angeles, California 90014
October 2020
58
Table of Contents
Existing Conditions Report i
Table of Contents
Summary ................................................................................................................................................. 1
Key Findings .................................................................................................................................... 1
Introduction ............................................................................................................................................ 2
Hazards of Concern................................................................................................................................. 6
Geologic Hazards ............................................................................................................................ 6
Flooding .......................................................................................................................................... 9
Wildland and Urban Fires .............................................................................................................12
Hazardous Materials .....................................................................................................................16
Emergency Response and Evacuation ..........................................................................................16
Climate Change Vulnerability ...............................................................................................................19
Exposure .......................................................................................................................................20
Community Sensitivity ..................................................................................................................24
Potential Impacts ..........................................................................................................................26
Adaptive Capacity .........................................................................................................................31
Vulnerability Scoring .....................................................................................................................32
Summary of Issues and Opportunities .................................................................................................36
Hazards of Concern and Community Sensitivity ..........................................................................36
Opportunities ...............................................................................................................................36
References ............................................................................................................................................38
Tables
Table 1 Rolling Hills Climate Summary ............................................................................................ 2
Table 2 Rolling Hills Demographic Characteristics ........................................................................... 3
Table 3 Faults Located within 50 Miles of Rolling Hills .................................................................... 8
Table 4 Changes in Annual Average Precipitation .........................................................................23
Table 5 Rolling Hills Existing Adaptive Capacity.............................................................................31
Table 6 Vulnerability Score Matrix ................................................................................................33
Table 7 Vulnerability Assessment Results .....................................................................................34
Figures
Figure 1 Critical Facilities Map .......................................................................................................... 5
Figure 2 Landslide Hazard Zones ...................................................................................................... 7
Figure 3 Faults in the Vicinity of Rolling Hills ..................................................................................10
Figure 4 Rolling Hills Liquefaction Hazard Areas .............................................................................11
Figure 5 Dam Inundation Areas ......................................................................................................14
Figure 6 Fire Hazard Zones ..............................................................................................................15
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Figure 7 Existing Evacuation Routes ...............................................................................................18
Figure 8 Historical and Projected Annual Average Maximum Temperature in Rolling Hills ..........21
Figure 9 Number of Extreme Heat Days by Year in Rolling Hills .....................................................22
Figure 10 Changes in Intensity of Extreme Precipitation Events in Rolling Hills...............................24
60
Summary
Existing Conditions Report 1
Summary
Key Findings
The city is most at risks to impacts from wildfire, extreme heat, and landslide events, which are
all anticipated to increase as a result of climate change impacts. Vulnerable populations such as
older adults and residents with chronic health conditions are most at risk to extreme heat and
wildfire impacts. Access roads and residential structures are also the most vulnerable to wildfire
and landslide impacts from climate change.
The city has a moderate risk for shaking potential from earthquakes.
Flood risks in the city are minimal and limited to natural drainage areas in the canyons.
Vegetation clearing along roadways is a concern and major goal for improving fire response and
evacuation in the city.
Evacuation strategies and education are important to reduce risk from hazards due to the lack
of evacuation routes in the city and the remote development on private roads. The need to
further analyze evacuation routes and access is one of the most recent changes in Safety
Element requirements. A key opportunity for the Safety Element update is to address specific
evacuation needs.
The City has recently adopted a number of planning documents such as the Hazard Mitigation
Plan and Community Wildfire Protection Plan, which seek to reduce the risk of hazards in the
city. An opportunity for the Safety Element update would be to utilize existing
recommendations from the Community Wildfire Protection Plan as implementation tools for the
Safety Element.
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Introduction
Section 65302(g) of the California Government Code requires that the General Plan include a Safety
Element for the protection of the community from any unreasonable risks associated with the
effects of seismically induced surface rupture, ground shaking, ground failure, tsunami, seiche, and
dam failure; slope instability leading to mudslides and landslides; subsidence and other geologic
hazards; flooding, wildland and urban fire, and climate change adaptation and resilience. In
addition, Safety Elements are required to address non-hazard specific issues such as peak load water
supply, evacuation routes, and military installations.
This Existing Conditions Report is a comprehensive assessment of natural and man-made hazards
for the City of Rolling Hills. The report serves as the foundation for the Safety Element and includes
detailed Geographic Information System (GIS) hazard mapping and analyses. The following City
plans were also utilized for this report along with existing local data from governmental agencies
and scientific research: Hazard Mitigation Plan, Community Wildfire Protection Plan, and the
existing Safety Element.
Setting
Rolling Hills covers an area of approximately three square-miles on the Palos Verdes peninsula,
approximately 18 miles south of downtown Los Angeles. The topography of the city and peninsula
area is unique in that it rises above the Los Angeles Basin with rolling hills, steep slopes, and
canyons. The city itself is located in the San Pedro Hills. Due to its location near the coast, the area is
cooler and has fewer air quality concerns compared to the nearby Los Angeles Basin. Table 1
summarizes the climatology of the area.
Table 1 Rolling Hills Climate Summary
Climate Character Estimate
Annual Average Observed Maximum Temperature from 1961 - 1990 (Fahrenheit) 71
Annual Average Observed Minimum Temperature from 1961 – 1990 (Fahrenheit) 50
Annual Average Observed Precipitation from 1961 – 1990 (inches) 19
Source: Cal-Adapt 2021
Rolling Hills is a residential community that consists of large parcels and ranch-style homes and has
a sizable older adult 1 population of about 513 (28% of the city’s total population). The city is also an
equestrian community, as many of residents are horse owners or have horses on their property.
Important community demographic data for Rolling Hills is included in Table 2.
1 An older adult is any adult over the age of 65 years old.
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Table 2 Rolling Hills Demographic Characteristics
Demographic Characteristics Estimate
General
Total Population 1,8601
Population under 10 years 7 percent
Population over 65 years 28 percent1
Race 77 percent White, 18 percent Asian, 5 percent
Hispanic/Latino
Disability (hearing, vision, cognitive, ambulatory) 12 percent
Housing
Total Households 6451
Average Household Size 2.76
Owner-occupied Households 96 percent
Population over 65 years living alone 15 percent of those over 65 years
Employment
Unemployment Rate 6 percent
Poverty Rate 2 percent
Median Income $ 239,000
Insurance Coverage 97 percent
Source: U.S. Census 2018
1Information obtained from the Community Wildfire Protection Plan, which is includes more recent data than the U.S Census
Critical Facilities and Infrastructure
Critical facilities are places that provide emergency services or serve people who would be impacted
by an emergency. Examples include hospitals, fire stations, police stations, emergency services
facilities, utility facilities, and communication facilities. Critical facilities can also include the
transportation system and schools. Due to the size and composition of Rolling Hills, most of the
critical facilities that serve the city are located outside of City limits. Critical facilities that serve the
city are shown in Figure 1 and include:
Rolling Hills City Hall: 2 Portuguese Bend Road, Rolling Hills, CA
Rolling Hills Community Association: 1 Portuguese Bend Road, Rolling Hills, CA
Rancho Del Mar High School: 38 Crest Road West, Rolling Hills, CA
Storm Hill Park: Agua Magna Canyon, Rolling Hills
Los Angeles County Sheriff’s Lomita Station: 26123 Narbonne Avenue, Lomita, CA
Los Angeles County Fire Station No. 56: 12 Crest Road West, Rolling Hills, CA
Los Angeles County Communications Tower: 5741 Crestridge Road, Rancho Palos Verdes, CA
Southern California Edison Electrical Substation: Crestridge Road, Rancho Palos Verdes, CA
Southern California Edison Electrical Substation: Tarragon Road, Rancho Palos Verdes, CA
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Southern California Edison Electrical Substation: 27873 Hawthorn Boulevard, Rancho Palos
Verdes, CA
California Water Service Reservoir: Palos Verdes Drive North/Palos Verdes Drive East (SW
corner), Rolling Hills Estates, CA
California Water Service Reservoir: 3960 East Crest Road, Rancho Palos Verdes, CA
California Water Service Reservoir: Via Canada, Rancho Palos Verdes, CA
California Water Service Reservoir: 1 Spur Lane, Rolling Hills, CA
California Water Service Reservoir: 60 Eastfield Drive, Rolling Hills, CA
Portuguese Bend Road
Crest Road
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Figure 1 Critical Facilities Map
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Hazards of Concern
Geologic Hazards
Geologic processes that pose a threat to life, health, property, or infrastructure are considered
geologic hazards. Natural geologic hazards that have the potential to affect Rolling Hills include
seismic hazards, landslides, liquefaction, expansive soils, and weathering. In most cases, these
natural processes cannot be prevented; however, the magnitude of destruction resulting from
natural geologic hazards can be reduced through planning policies and measures.
Landslide Hazards
Landslide activity refers to a wide range of gravity driven downslope earth movement, including
rockslides, rotational slips, mudslides, and shallow debris flows. Geological and geomorphological
conditions such as soil type, soil strength, slope angle, and slope height predispose slopes to failure.
Other factors affecting the susceptibility to slope failure include the amount of precipitation,
vegetation on the slope, groundwater seepage, and human modifications to the slope. Landslides
often result in damage to property and roadways and can cause them to become unsafe due to
displacement of the subsurface.
A majority of the existing development in Rolling Hills is located on hilly terrain and have a greater
potential to experience landslide hazards. Many of the canyons in Rolling Hills exhibit steep slopes
with little vegetation coverage, leaving them susceptible to slope failure. Figure 2 shows the
landslide zones within the City of Rolling Hills, as mapped by the California Geological Survey.
Landslide activity has been well documented in the region. Relicts of landslides and rockslides are
present throughout the City of Rolling Hills. The following major landslides have occurred within and
adjacent to the city. All are within the landslide hazards areas identified in Figure 2:
Portuguese Bend Landslide: Beginning in 2 1956 over approximately 270 acres in Rancho Palos
Verdes
Abalone Cove Landslide: Beginning in 1974 over 80 acres in Rancho Palos Verdes
Klondike Canyon Landslide: Beginning in 1979 over to the south near the coastline
Flying Triangle Landslide: Beginning in 1970s or 1980s over approximately 70 acres in the south
area of the city
The Flying Triangle Landslide continues to impact the southeast portion of the city through impacts
to private roads and requiring above-ground utility lines. This area is relatively unsuitable for
development due to the ongoing changes in topography.
Seismic Hazards
Rolling Hills is located in a seismically active region of southern California. The last major earthquake
in the Los Angeles area was the 5.1 magnitude La Habra earthquake in 2014. Rolling Hills is located
within 50 miles of the Whittier fault, Newport-Inglewood fault, Palos Verdes fault, Malibu Coast
2 “Beginning in” is defined as the first noted event of major rock movement
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Figure 2 Landslide Hazard Zones
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fault, Cabrillo fault, Santa Monica fault, and Redondo Canyon fault. Analysis of seismic data from the
region indicates that the Whittier and Newport-Inglewood faults may generate a maximum credible
earthquake of magnitude 7.2 and 7.4, respectively (Southern California Earthquake Center 2013).
Figure 3 shows the faults in the vicinity of Rolling Hills.
Typically, seismic shaking and fault rupture are primary hazards as they occur as a direct result of
the interaction between the seismic wave energy and the earth’s surface. Secondary hazards, such
as liquefaction and earthquake-induced landslides, occur as a result of the primary earthquake
hazards. Often, earthquake activity can result in other effects such as building damage/collapse,
infrastructure failure, pipeline breakage, and damage to transportation and communication
facilities. The size of the earthquake and distance from the fault rupture zone typically determine
the severity of these events.
Seismic Shaking
Seismic shaking, or ground shaking, refers to the movement of the earth’s surface resulting from the
energy release by an earthquake. Seismic shaking is typically the primary cause of property damage
resulting from earthquake activity. Seismic shaking has the ability to destroy buildings, roadways,
powerlines, and pipelines. Energy transmitted through the ground has the potential to travel
hundreds of miles and may cause damage in many locations simultaneously. Closer proximity to the
fault rupture area results in stronger shaking in that location.
The amount of ground shaking that occurs in a location is dependent on the magnitude of the
earthquake, the distance from the epicenter, and local soil conditions. The intensity of ground
shaking is related to the peak ground velocity during an earthquake. According to the CGS Map
Sheet 48, the earthquake shaking potential for Rolling Hills is moderate. The intensity of seismic
shaking is measured using the Modified Mercalli scale.
According to the California Geologic Survey, an active fault is one that has experienced surface
movement in the past 11,000 years. The city is located near a number of active faults, including the
Cabrillo Fault within city limits. Table 3 includes a list of nearby faults, their respective distance from
the city, the maximum credible earthquake generated from each fault, and the likelihood of
earthquake occurrence in each case.
Table 3 Faults Located within 50 Miles of Rolling Hills
Fault Name Approximate Distance from Rolling Hills
Whittier 25 miles east
Newport-Inglewood 9 miles east
Palos Verdes <1 mile north
Malibu Coast 20 miles northwest
Cabrillo Located within the City boundaries in the southwest
Santa Monica 20 miles north-northwest
The San Andreas fault is located approximately 80 miles to the east of Rolling Hills. Although the San
Andreas fault is located at a greater distance from the city, seismic shaking originating from
earthquakes occurring along the San Andreas fault poses a threat to the city. Figure 3 identifies the
active and inactive faults located within the city and vicinity.
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Fault Rupture
Fault Rupture occurs when seismic movement on a fault breaks through the earth’s surface. Hazards
related to fault rupture arise when structures are built near or on top of an active fault. While there
are a number of seismically active faults in the city and region, there are no active faults with the
potential for ground rupture, defined by the Alquist-Priolo Earthquake Fault Zoning Act and
delineated by CGS. Figure 3 shows the designated Alquist-Priolo study zones, the closest of which is
the Newport-Inglewood Fault approximately nine miles northeast of the city.
Liquefaction and Settlement
Liquefaction is a ground failure phenomenon that occurs as a result of a seismic event. Liquefaction
increases water content in surface soils until the soil reaches a semi-liquid state, contributing to a
reduction in support, and ultimately resulting in shifting or subsidence of buildings and utilities.
Ground failure typically occurs when the following conditions exist:
Loose, unconsolidated granular soils
Shallow groundwater
Strong seismic ground shaking
While the Rolling Hills has moderate to high seismic shaking potential, the subsurface soils generally
lack saturated alluvial deposits and thick, granular soils. Figure 4 shows the liquefaction hazard
areas, which are located in the low-lying areas to the east and north, generally surrounding the Los
Angeles Harbor and Harbor Lake. Liquefaction potential for Rolling Hills is low, as shown in Figure 4.
Earthquake Induced Landslides
Ground failure or destabilization of slopes resulting from an earthquake can also occur following
seismic activity in the form of Earthquake-Induced Landslides. Earthquake-induced landslides
typically occur in areas with steep slopes or unstable soil conditions. As discussed above under
Landslide Hazards, the risk of landslide activity in Rolling Hills is high. Much of the city overlies areas
that have been identified as landslide zones by the California Geological Survey. Risk of landslide
activity increases following rainfall events that result in saturated soils. Both shallow and deep
seeded landslides have historically occurred in the city.
Flooding
Rolling Hills participates in the Federal Emergency Management Agency’s (FEMA) National Flood
Insurance Program. According to the FEMA flood maps, the city is not located in a flood hazard area
and currently has a less than 0.2 percent annual chance to be inundated by flood waters as a result
of a storm event (FEMA 2008). Overall, the city is not in any immediate risk from flooding caused by
overflowing water bodies or heavy rains. However, runoff and minor flooding pose a risk if drainage
systems fail along canyon bottoms, where natural drainage leads to.
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Figure 3 Faults in the Vicinity of Rolling Hills
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Figure 4 Rolling Hills Liquefaction Hazard Areas
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Dam Inundation
No water storage facilities that the State of California identifies as dams are located in Rolling Hills.
Just outside city limits are three water storage facilities identified as dams, which include:
Palos Verdes Reservoir: Owned by the Metropolitan Water District of Southern California and
located at the southeast corner of Palos Verdes Drive East and Palos Verdes Drive North.
According to the California Department of Water Resources, the reservoir can hold
approximately 1,100 gallons of water and has an extremely high downstream hazard.
10 MG Walteria and 18 MG Walteria: Two reinforced concrete tanks which are owned by the
City of Torrance and located at Crenshaw Boulevard and Crest Road. The tanks can hold 31 and
58 acre-feet (AF) of water respectively.
Senate Bill 92, adopted in 2017, is a new dam safety requirement that requires dam owners to map
the downstream inundation areas for dams governed by the Department of Water Resources.
Figure 5 shows the inundation areas for the nearby water storage facilities. Due to their locations
and the topography of the area, the inundation areas do not enter or affect any portion of the city.
Wildland and Urban Fires
The entire City of Rolling Hills is designated a Very High Fire Hazard Severity Zone (VHFHSZ) by the
California Department of Forestry and Fire Protection (CalFire), as shown in Figure 6. Rolling Hills
terrain is comprised of several large and steep canyons that limit and challenge vegetation
management and present conditions where a fire can quickly travels up and downslope to nearby
homes. Due to the rural nature and large residential lots, many homes are surrounded by
substantial vegetation and dense brush than in more suburban settings. The bridle trails for hikers
and equestrian access also contain dense vegetation and management difficulties, which
contributes to the fire risk of the city. Electrical power lines pose a hazard to starting fires in the city
if lines are not automatically de-energized when knocked down by extreme weather or if the
surrounding vegetation is not adequately managed.
There is a history of fires in the city and the surrounding Palos Verdes Peninsula. Three major fires
have been documented on the Peninsula and in the city in:
1973: almost 1,000 acres burned, and 13 homes destroyed
2005: 212 acres burned near Del Cero Park
2009: 230 acres burned and forced 1,200 residents on the Peninsula to evacuate
For many of the developed residences in the city that are vulnerable to fires, their risk may increase
with the presence of construction techniques that may not meet current wildfire standards. Rolling
Hills Building Code and Los Angeles County Fire Department, under the VHFHSZ standards, require
new development to include more stringent design and material standards for roofing, eaves, and
rafter tails as well as exterior finishes and fire buffer zones. While compliance with these standards
reduces the vulnerability to new structures, existing structures that have not complied with these
standards may be susceptible to undue fire risk.
Existing Fire Risk Reduction Strategies
Rolling Hills Municipal Code (RHMC) Chapter 8.30: Fire Fuel Abatement
VHRHSZ building requirements
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Los Angeles County Fire Department property line and structure vegetation buffer requirements
Rolling Hills Community Wildfire Protection Plan vegetation management standard
recommendations
Rolling Hills Community Association
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Figure 5 Dam Inundation Areas
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Figure 6 Fire Hazard Zones
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Hazardous Materials
According to the Department of Toxic Substances Control (DTSC), there are no hazardous waste
sites or facilities in Rolling Hills (DTSC 2020). The city and surrounding area do not contain heavy
industrial uses that would create a hazardous material risk in the event of a spill, release, or natural
disaster.
The city is not located near any major transit routes involving transport of a substantial quantity of
hazardous material through the city. However, the nearby oil refineries (located along Sepulveda
Boulevard approximately six miles northeast) and Port operations (located approximately three
miles to the east) could create air quality impacts if wind patterns and release events occur. Air
quality impacts are discussed in the Open Space and Conservation Element of the Rolling Hills
General Plan.
Emergency Response and Evacuation
Police Response and Crime
The Los Angeles County Sheriff’s Department is contracted with the city to provide police services
and protection to the city. The Lomita Station of the Sheriff’s Department located at 26123
Narbonne Avenue, approximately 1.5 miles northeast of the Portuguese Bend Road entrance, serves
the city.
According to the Lomita Station crimes report from January 1, 2020, through June 30, 2020, Rolling
Hills had three reported crimes (LACSD 2020). The crimes were related to theft, assault, and
burglary. Outside the city limits and in the Lomita District, 433 crimes were reported during this
same period, 71 of which were violent crimes (LACSD 2020). The difference in crimes in the city and
the surrounding area is attributed to the private nature of the City. There are three entrances to the
city, all of which are gated and staffed 24 hours a day. Visitors are required to be on a resident’s
guest list in order to enter city limits. This reduces crime within the city and demand on Los Angeles
County Sheriff’s Department.
Fire Response
The Los Angeles County Fire Department provides emergency operations support to the City. Fire
Station 56, located at 12 Crest Road West, serves the city under Battalion 14, which also serves the
remaining Palos Verdes Peninsula, Lomita, and Catalina Island. Fire response constraints in the city
include ability to access certain homes or areas due to inadequate road widths for fire maneuvering.
One of the major topics of concern related to fire response in the city relates to vegetation clearing
along roadways. Ten-foot clearance on each side of the roadway, especially the limited access
roads, is important for fire response and evacuation during a fire, according to Scott Hale, Assistant
Fire Chief.
Evacuation Strategies and Routes
Because a variety of hazards could affect city residents, it is vital to identify critical routes for
evacuation in the event of a major event. Figure 7 identifies the existing evacuation routes in the
city, which are limited to:
Main Gate at Rolling Hills Road and Palos Verdes Drive North
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Crest Gate at Crest Road near Crenshaw Blvd
Eastfield Gate at Eastfield Drive and Palos Verdes Drive East
Crest Road East Gate at the end of Crest Road East
Crest Road East Gate at the end of Crest Road East gate has recently been updated with a motor and
has no guards. This gate is available as an emergency exit to the city during emergencies. The
recently adopted Community Wildfire Protection Plan for the city establishes evacuation strategies
and methodologies for the city, which include:
Using the City’s Block Captains as important coordinators and managers of residents in the 24
City zones 3
Communication goals between the City, emergency responders, Rolling Hills Community
Association, and residents
Details for residents regarding how people get notified during an actual evacuation and the
responsibilities and operations of the Emergency Operations Center
Traffic control responsibilities and levels
Identification of special need residents who may need specific attention and/or assistance
3 The city is divided into 24 zones and each zone has 2-3 block captains to represent the residents within the zone.
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Figure 7 Existing Evacuation Routes
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Climate Change Vulnerability
In accordance with Senate Bill 379, this section provides a climate change vulnerability assessment
for Rolling Hills, which evaluates the potential impacts of climate change on community assets and
populations. The Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report
defines vulnerability as “the propensity or predisposition to be adversely affected.” It adds that
vulnerability “encompasses a variety of concepts and elements including sensitivity or susceptibility
to harm and lack of capacity to cope and adapt” (IPCC, 2013). Understanding the vulnerabilities that
the city may face due to climate change provides a foundation to define future adaptation strategies
for the Safety Element update and other planning efforts in Rolling Hills and the region.
Consistent with the California Adaptation Planning Guide (Cal OES 2020) the assessment is
comprised of the following five elements:
Exposure – the nature and degree to which the community experiences a stress or hazard;
Sensitivity – the aspects of the community (i.e., people, structures, and functions) most affected
by the identified exposures;
Potential Impacts – the nature and degree to which the community is affected by a given
stressor, change, or disturbance;
Adaptive Capacity – the ability to cope with extreme events, to make changes, or to transform
to a greater extent, including the ability to moderate potential damages and to take advantage
of opportunities; and
Vulnerability Scoring – systematic scoring based on potential impacts and adaptive capacity, to
inform major climate vulnerabilities to address adaptation framework strategies.
In addition to City data, Cal-Adapt was used to complete the assessment. Cal-Adapt is an interactive,
online platform developed by the University of California and Berkeley to synthesize climate change
projections and climate impact research for California’s scientists and planners. This assessment
uses Cal-Adapt to study potential future changes in average and extreme temperatures,
precipitation, wildfire, and storms. Cal-Adapt is consistent with State guidance to use the “best
available science” for evaluating climate change vulnerability.
This assessment uses two greenhouse gas (GHG) emissions scenarios included in Cal-Adapts
analysis: Representative Concentration Pathway (RCP) 4.5 and RCP 8.5. RCP 4.5 describes a scenario
in which GHG emissions peak around 2050, decline over the next 30 years and then stabilize by
2100 while RCP 8.5 is the scenario in which GHG emissions continue to rise through the middle of
the century before leveling off around 2100. The climate projections used in this report are from
four models selected by California’s Climate Action Team Research Working Group and the
California Department of Water Resources. These models include:
A warm/dry simulation (HadGEM2-ES)
A cooler/wetter simulation (CNRM-CM5)
An average simulation (CanESM2)
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The model that presents a simulation most unlike these three and incorporates 10 other
models, for full representation of possible forecasts (MIROC5)4
The average of the model projections is used in this analysis.
Exposure
Climate change is a global phenomenon that has the potential to adversely affect local health,
natural resources, infrastructure, emergency response, and many other facets of society. Projected
changes to climate are dependent on location. According to Cal-Adapt, climate change could lead to
increasing temperatures, temperature extremes, and changes in precipitation patterns in Rolling
Hills. These conditions could lead to exposure associated with extreme heat, drought, wildfires, and
extreme storms in the region. The climate hazards of concern for Rolling Hills addressed in this
analysis are:
Extreme Heat
Storms and Extreme Weather
Drought
Wildfire
Extreme Heat
Figure 8 below shows observed and projected annual average maximum temperature in Rolling
Hills. As shown in Figure 8, average temperatures in the city and region have increased, which is a
trend at both the local scale and the global scale. Compared to 1990, annual average maximum
temperatures in Rolling Hills are expected to rise between 1.8°F and 6.6°F by the end of the century,
depending on the GHG emissions scenario (CEC 2020).
4 There were 10 California GCM models that were ranked from 1-10 by California’s Climate Action Team Research Working Group and the
California Department of Water Resources for different temperature and precipitation factors. The models ranged from the “warm/dry”
model which had all metrics closest to 1 to the “cool/wet” model which had all metrics closest to 10. The MIROC5 displays a pattern of
ranking that is most unlike the other 3 models and therefore, is included to represent the full spread of all 10 model simulations.
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Figure 8 Historical and Projected Annual Average Maximum Temperature in Rolling
Hills 5
Extreme heat is a period when temperatures are abnormally high relative to the normal
temperature range. There are generally three types of extreme heat events:
Extreme Heat Days: a day during which the maximum temperature surpasses 98 percent of all
historic high temperatures for the area, using the time between April and October from 1950 to
2005 as the baseline
Warm Nights: a day between April to October when the minimum temperature exceeds 98
percent of all historic minimum daytime temperatures observed between 1950 to 2005
Extreme Heat Waves: a successive series of extreme heat days and warm nights where extreme
temperatures do not abate. While no universally accepted minimum length of time for a
heatwave event exists, Cal-Adapt considers four, successive extreme heat days and warm nights
to be the minimum threshold for an extreme heatwave
Extreme heat events will feel different from region to region since different areas have different
historic high temperatures. For example, an extreme heat day on the coast will feel different than
an extreme heat day in the desert. According to Cal-Adapt, an extreme heat day in Rolling Hills
involves a temperature that exceeds 91.7 ̊F (CEC 2020).
Historically (between 1950 and 2005), Rolling Hills experienced an average four extreme heat days
per year, typically occurring between April and October. As a result of rising average temperatures
and climate change as discussed above, the city is projected to experience between 8 and 14
extreme heat days annually from 2030 to 2099 under medium and high emissions projections (CEC
5 Chart shows annual average maximum temperature for Rolling Hills (Grid Cell 33.78125, -118.34375) under RCP 8.5 (emissions continue
to rise strongly through 2050 and plateau around 2100)
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2020). As shown in Figure 9, the number of extreme heat days each year is variable, but overall they
are increasing from historic averages and would continue to increase through the century.
Figure 9 Number of Extreme Heat Days by Year in Rolling Hills 6
Extreme heat waves are defined as four or more consecutive extreme heat days. These events have
been historically infrequent in Rolling Hills, with the historical average being 0.3 heat waves
annually. The city is expected to experience a minor increase in heat wave frequency as the climate
changes. Between 2030 and 2099, the city is projected to experience between 0.4 and 1.1 heat
waves per year (CEC 2020).
Drought
Droughts are somewhat frequent in California, and currently approximately 42 percent of
California’s population are in a drought, or in an abnormally dry area (NIDIS 2020). Changes in
weather patterns resulting in increases in global average temperatures are already causing
decreases in snowpack, which provides as much as a third of California’s water supply (DWR 2019).
According to the U.S. Drought Monitor, Los Angeles County and Rolling Hills are not currently
experiencing drought conditions based on this mapping (National Drought Mitigation Center 2020).
Southern California is not currently considered to be in a drought condition, while other parts of the
State (northern California and the Sierra Nevada mountain range) are experiencing moderate
drought conditions due to lower than average precipitation.
The projected changes in annual precipitation for Rolling Hills are shown in Table 4. Under both the
medium and high GHG emissions scenarios, Rolling Hills is not expected to experience substantial
changes in average precipitation. However, the city would experience increased variability in
precipitation. The city’s minimum annual precipitation would decrease while the maximum annual
precipitation would increase under both emissions scenarios.
6 Chart shows the number of days in a year when daily maximum temperature is above the extreme hear threshold of 91.7 ̊F for Rolling
Hills (Grid Cell 33.78125, -118.34375) under RCP 8.5
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Table 4 Changes in Annual Average Precipitation
Scenario
Annual Precipitation
Minimum (inches) Average (inches) Maximum (inches)
Historical Average (1950-2005) 6.7 19.2 37.0
Medium Emissions Scenario (2030-2099) 6.0 21.3 48.2
High Emissions Scenario (2030-2099) 4.8 22.2 57.0
Source: CEC 2020
While overall precipitation levels are expected to change substantially in the city, a drought may
occur when conditions in areas where water sources are located experience drought conditions,
even though the local region does not. Rolling Hills obtains its water from the Palos Verdes District
of the California Water Service. Water supply from the District to this area is purchased from the
Metropolitan Water District of Southern California (MWD), which imports its water from the
Colorado River and State Water Project from northern California.
Recent research suggests that extended drought occurrence could become more pervasive in future
decades (CEC 2020). An extended drought scenario is predicted for all of California from 2051 to
2070 under a climate model using business as usual conditions. The extended drought scenario is
based on the average annual precipitation over 20 years. This average value equates to 78 percent
of the historic median annual precipitation averaged for the North Coast and Sierra California
Climate Tracker regions. Overall precipitation levels in the city are not expected to be significantly
impacted. However, variability in precipitation and drought conditions in other areas of the state
could impact water supply.
Wildfire
Wildfire hazards to the city are widespread and discussed above under Hazards of Concern.
Wildfires in the city are influenced by a range of factors including droughts, severe winds, wildfire
fuel (i.e. dry vegetation), and previous wildfire suppression activity. Climate change is expected to
exacerbate wildfire risk by creating hotter and drier landscapes, as discussed above under Extreme
Heat, which are more susceptible to burning.
Cal-Adapt provides projections for annual mean hectares burned. This projection only accounts for
areas that could experience wildfire events. Los Angeles County wildfire occurrence is anticipated to
increase under all emissions and population scenarios from historic averages (CEC 2020). In 2020
alone, California has experienced six of the 20 largest fires in modern history and as of the date of
this report, over three million acres of land have burned. These fires arose during extreme fire
weather conditions and record-breaking heat waves across California. The observed frequency of
autumn days with extreme fire weather, which are associated with extreme autumn wildfires, has
more than doubled in California since the early 1980s (Goss et al. 2020). Due to the increases in
factors that contribute to wildfires (variability in precipitation, hotter and dryer landscapes) and
because the city is in a VHFZSZ, it is expected to see an increase in wildfire hazards due to climate
change.
Storms and Extreme Weather
A warming climate is likely to influence the frequency and intensity of storms. Both increased
temperatures and altered precipitation patterns can lead to altered seasons and intense rainstorms
in Rolling Hills. As depicted in Figure 10, there is a high degree of variability in these extreme
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precipitation event projections, with some models projecting little to no change while others project
increased intensity (CEC 2020) These projections further vary depending on the return period7
selected. Increasing intensity of rainstorms could result in more flooding, which could adversely
affect human safety in Rolling Hills. During years of intense levels of precipitation and storms, the
city could also see an increase in the number of landslides or make landslides greater than usual.
Due to the number of landslide hazard zones in the city, as shown in 2, Rolling Hills may see an
increase in landslides due to changes in precipitation from climate change.
Figure 10 Changes in Intensity of Extreme Precipitation Events in Rolling Hills8
Community Sensitivity
As climate change occurs, communities will be affected to varying degrees depending on the
exposure levels as well as how sensitive the communities are to impacts. Virtually all people and
assets in a community will be affected by climate change in some way. However, it is not usually
feasible to assess the vulnerability of every population group or every asset in the community. The
sensitivity of a community depends on the aspects of the community (i.e., specific populations and
assets) most affected by the identified exposures, and how prevalent they are in the community.
As described in the Exposure section above, the most likely primary impacts of climate change that
Rolling Hills may experience include extreme heat, increases in wildfire risk and prevalence, and
drought conditions affecting water supply. This section of the Vulnerability Analysis identifies the
7 Average time between extreme events (e.g., “1 in 100-year event”)
8 Chart shows estimated intensity (Return Level) of Extreme Precipitation events which are exceeded on average once every 20 years
(Return Period) for Rolling Hills (Grid Cell 33.78125, -118.34375) under RCP 8.5 emissions scenario. Extreme precipitation events are
described as days during a water year (Oct-Sept) with 2-day rainfall totals above an extreme threshold of 1.02 inches.
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sensitive areas of the Rolling Hills community from the demographic and community facility
information in the Introduction section above and is based on the following categories:
Populations
Infrastructure
Buildings and Facilities
Services
Populations
The vulnerability assessment considers the following population groups that may be
disproportionally harmed by the impacts of climate change in Rolling Hills.
Children: Approximately 6.6 percent of the total population in Rolling Hills are ten years old or
younger.
Persons in poverty: This is identified for people living in households with an income below the
poverty limit, which is $26,200 for a household of four people. There are approximately 26 people in
Rolling Hills who live in poverty, or approximately 1.6 percent of the total population for whom
poverty status can be determined.
Persons with chronic health conditions: These are people who have a long-term or permanent
health condition that can create regular challenges in their day-to-day lives. These health problems
include obesity, cancer, heart disease, and arthritis. In addition, those with any kind of disability,
including mobility challenges, hearing, or vision impairments, behavioral disabilities, and challenges
living independently or taking care of themselves. Approximately 11.5 percent of the population
have identified having a disability.
Renters: These are people who live in homes that they (or the head of their household) do not own.
Approximately 24 housing units, or 4 percent of the housing units in Rolling Hills, are renter-
occupied.
Older adults: These are persons 65 years or older are more at risk for climate change impacts,
especially those living alone. 28 percent of the population of Rolling Hills are over 65 years, and 15
percent of those over 65 years live alone.
Limited English proficiency: Approximately three percent of households have identified being
limited English-speaking. Of those, a majority spoke Asian and Pacific Island languages and Spanish.
Infrastructure
The vulnerability assessment considers the following infrastructure in the city that was identified as
bring sensitive to climate change impacts.
Access Roads: These roadways are one of a few, or the only, ways in and out of some communities
or neighborhoods. The single or limited number of entry and exit points does not make the road
itself more vulnerable than other roads, but loss of these roadways can effectively cut off large
numbers of people from other areas in the Palos Verdes Peninsula and the rest of Los Angeles
County. Portuguese Bend Road and Crest Road are the primary access roads into and out of the city.
Bridle Trails: Throughout the community are over 25 miles of trails available to city residents and
non-city residents who obtain permits. The trails are maintained by the Rolling Hills Community
Association and located primarily in canyon areas.
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Electrical Substations: Electrical substations are facilities that convert electricity from one voltage to
another, making it suitable for long-distance transmission or for use by homes, businesses, and
other electrical customers. There are no electrical substations located within city limits, but three
are located near the city in Rancho Palos Verdes and owned/operated by Southern California
Edison.
Electrical Utility Lines: These lines transmit and deliver electricity from Southern California Edison to
the city. The city has both underground and overhead electric utility lines.
Natural Gas Transmission Pipelines: Natural gas pipelines carry large volumes of natural gas
between communities. There are no transmissions lines in the city. One transmission line ends at
the intersection of Rolling Hills Road and Palos Verdes Drive, adjacent to city limits.
Water Reservoirs and System: The system that stores and supplies drinking water for residents.
Palos Verdes Water District of the California Water Service supplies water to Rolling Hills. There are
two California Water Service water reservoirs within the city limits.
Building and Facilities
Residential Structures: Residential structures in Rolling Hills consist of single-family dwellings and
are the main type of building in the city.
Community Facilities and Government Buildings: Community and government facilities are public
properties and are important to the residents as well as the operation of the city. Rolling Hills is a
private community. Therefore, community and government facilities are available only to its
residents, which are the Rolling Hills Community Association and City Hall.
Community Parks: Storm Hill is an open space area owned by the City which is utilized for
equestrian purposes. The City also has two equestrian rings and tennis courts.
Schools: Rancho Del Mar High School is the only school in the city
Public Safety Facilities: Public safety facilities include sheriff and fire buildings. Los Angeles County
Fire Station 56 is located within the city. The Lomita Station of the Los Angeles County Sheriff serves
the city but is not located within the city limits.
Services
Public Safety Response: Public safety services are provided by law enforcement and fire agencies.
These agencies include the Los Angeles County Sheriff and Fire Departments.
Water Services: These services involve treating and transporting water to be used by customers and
transporting and treating wastewater so it can be safely released into the environment. California
Water Service provides drinking water to the city.
Energy delivery: Energy services in Rolling Hills include electricity and natural gas delivered through
utility lines from Southern California Edison and Southern California Gas Company.
Potential Impacts
Impact vulnerability is the nature and degree to which the community is affected by a given
stressor, change, or disturbance. As climate change continues to progress, increased stress to
vulnerable community populations, infrastructure, building and facilities, and services are expected.
As described in the Exposure section above, the most likely primary impacts of climate change
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Rolling Hills may experience include extreme heat, wildfire, and drought conditions impacting water
supply. The vulnerability of Rolling Hills to the primary exposures of climate change is discussed
below. The vulnerability scores discussed in the Vulnerability Scoring section are based on the
potential impact analysis below. Each of the vulnerable areas in the city were given a low, medium,
or high vulnerability to the potential impacts, based off the descriptions in the Vulnerability Scoring
section.
Temperature and Extreme Heat
As describe in the Exposure section above, Rolling Hills may experience a variety of impacts from
climate change, which include an increase of average annual maximum temperature between 1.8°F
and 6.6°F by the end of the century (CEC 2020) This increase in temperature may result in changes
in seasonal patterns, an increase in heat waves, drought, and potentially increased storm frequency
and intensity. Rolling Hills is expected to experience between 8 and 14 extreme heat days annually.
Overall quality of life in the city would be impacted during extreme heat events as outdoor activities
would be limited and overall comfort reduced.
The potential direct and indirect impacts to community populations, infrastructure, building and
facilities, and services are described below.
Populations
The vulnerable populations discussed above that are most at risk to extreme heat impacts from
climate change are older adults, individuals with chronic conditions such as heart and lung disease,
diabetes, and mental illnesses, children, and those who are economically disadvantaged.
The primary vulnerable population to temperature increases and extreme heat in Rolling Hills is
older adults, as 28 percent of the city’s population is over 65 years. Older adults do not adjust as
well as young people to sudden changes in temperature and are more likely to have medical
conditions that can worsen with extreme heat (CDC 2017a). Older adults who are living along are
even more at risk as the actions necessary to mitigation extreme heat are more difficult alone.
Getting water, changing clothes, showering, or turning on the air conditioner may be more difficult
for older adults with physical disabilities and do not have a living partner to assist them. Children are
also at risk to extreme heat impacts, especially those under the age of four, due to their less-
developed physiology, immune system, and dependence on others (CDC 2019).
Extreme heat can be highly dangerous to persons with chronic health conditions, because very high
temperatures can exacerbate diabetes, cardiovascular conditions, respiratory ailments, and other
diseases. Some of these people have weakened immune systems which can make them more likely
to contract illnesses and vulnerable to human health hazards. In addition, they may be taking
medications that make the effects of extreme heat worse (CDC 2017b).
While there are not many households in poverty in the city, those who are have limited financial
resources to upgrade their homes and use air conditioning to better resist extreme heat.
Each of the vulnerable populations has a high potential impact from extreme heat.
Infrastructure
Extreme heat and temperature increase due to climate change would not directly impact
infrastructure in Rolling Hills. Indirect impacts on electrical substations and utility lines could occur
from increased use of the system from running air conditioners, leading to power outages in the
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city. In addition, indirect impacts to the water system through increased evaporation or water use
could occur. These infrastructure facilities would have a medium potential impact from extreme
heat.
Building and Facilities
Extreme heat and temperature increase due to climate change
would not directly affect buildings or facilities in Rolling Hills. Extreme heat and temperature
increases could impact the ability for residents to enjoy community park facilities. In addition,
extreme heat could create wildfire conditions which could indirectly impact all buildings and
facilities within the city. Overall, there is a low potential impact from extreme heat to City buildings
and facilities.
Services
The important services discussed above that are most at risk to extreme heat impacts from climate
change are water services and energy delivery.
High temperatures would contribute to a reduced water supply. For instance, higher temperatures
will melt the Sierra snowpack earlier and drive the snowline higher. In addition to a reduction in
precipitation falling as snow, higher temperatures would result in less snowpack to supply water to
California users (CNRA 2009). Increased temperatures could therefore result in decreased potable
water supply for the city which relies on imported water from the State Water Project and Colorado
River water (Cal Water 2016). Therefore, there is a medium potential impact for high temperatures
and drought on the city.
Long periods of intense heat may result in increased use of electricity for home cooling purposes
that could tax the overall electrical system and result in electricity restrictions or blackouts. During
extreme heat events in August 2020, California had its first rolling blackouts since 2001. Therefore,
the city will experience greater potential for power outages due to climate change and has a
medium potential impact.
Storms/Extreme Weather and Drought
As mentioned in the Exposure section above, the storm and extreme weather projections for Rolling
Hills show variability, with some models projecting little to no change while others project increased
intensity. This could result in impacts to community populations, infrastructure, building and
facilities, and services, particularly related to temporary flooding and landslides which can be
triggered from intense rainfall events. The city currently has a less than 0.2 percent annual chance
to be inundated by flood waters as a result of a storm event (FEMA 2008). Increases in intense
precipitation could result in slope failures in landslide prone areas shown in Figure 2, including the
existing Flying Triangle Landslide area.
As discussed in the Exposure section above, Rolling Hills is not expected to experience substantial
changes in average precipitation. However, the city receives its water from the Colorado River and
State Water Project from northern California, and extended drought scenario is predicted for these
areas, which equates to 78 percent of the historic median annual precipitation. Therefore, areas
that supply water to Rolling Hills and other jurisdictions are expected to see a 22 percent reduction
of their water supply, which could reduce the amount of potable water available for delivery to the
city.
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Populations
The city’s older adults and those with chronic health conditions are the populations in Rolling Hills
that are more at risk of injury and or death resulting from minor floods or fallen trees created by
more intense storms induced by climate change. Indirect impacts to these populations from impacts
to the transportation system could include reduced access to emergency response and health
centers for those who need consistent medical care. There is a medium potential for impacts to
these vulnerable populations.
Infrastructure
Critical infrastructure most at risk in Rolling Hills to minor flooding impacts and landslides from
increased storms would be access roads, bridle trails, electrical utility lines, and water systems.
Because Portuguese Bend Road and Crest Road are critical for access to and evacuation from the
city, any damage or closure can effectively isolate areas of the city, potentially creating severe
health and safety risks. Bridle trails are predominantly located in canyon areas, which would be
more susceptible to flooding and landslides. Landslides could impact utilities, as seen in the existing
Flying Triangle Landslide area, which has moved utility lines above ground in certain areas due to
the continuous movement of the earth in this area. Due to the limited accessibility of the city, there
is a medium potential impact for access roads and bridle trails and a low potential impact for the
remaining vulnerable infrastructure.
Building and Facilities
Buildings and facilities most at risk from impacts of more intense storms would be residential
structures and community parks. The proper functioning residential septic systems could be
impacted by more intense rainfall and minor flooding. In addition, landslides could be triggered as
indirect impacts from more intense storms and rainfall. Residential structures located in landslide
hazard areas shown in Figure 2 could be impacted. In addition, the Storm Hill open space area is an
important facility in the city and is also located in a landslide area. Due to the variability in weather
projections, there is a low potential impact for buildings and facilities.
Services
Increased storm intensity and drought conditions from climate change could impact public safety
response, energy delivery and water services in the city. Emergency response systems could be
impacted from flooding or landslides within or outside of city limits, which could restrict the ability
for emergency response to access the city and impact response times.
More intense storms could adversely affect electricity delivery from Southern California Edison from
power outages caused by downed electrical utility lines from wind of landslide events. In addition,
water service from the California Water Service Palos Verdes District could be affected by increased
drought conditions throughout the state. There is a medium potential impact for buildings and
facilities.
Wildfire
Wildfires in Los Angeles County are projected to increase under all emissions and population
scenarios. As discussed in the Exposure section above, wildfire hazards to the city are widespread
and wildfire conditions are expected to be exacerbated by a range of factors including droughts,
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more severe winds, wildfire fuel (i.e., dry vegetation), and hotter and drier landscapes from
increased temperatures and extreme heat.
Populations
The vulnerable populations discussed above that are most at risk to increases in wildfire from
climate change are older adults, persons in poverty, and persons with chronic health conditions.
Older adults are almost three times more likely to die in a fire than the overall population (USFA
2017), and typically have increased mobility issues or mental health. Therefore, older adults,
especially those in the city living alone, have more difficulties evacuating to safe areas when there is
a need. Those in Rolling Hills with limited financial resources are more unlikely to retrofit their
homes to better resist climate-related hazards such as wildfires.
In addition to direct impacts, indirect impacts such as poor air quality also creates public health
hazards to the city. Recent California wildfires in August and September 2020 had areas of California
recording the worst air quality in the world and highlighted the hazards of secondary impacts from
wildfires, which could impact the city from fires throughout the State. Older adults and individuals
with chronic health conditions are likely to be impacted most by these secondary impacts. Also,
those with limited finances or without air conditioning would be impacted by secondary smoke
impacts that occur during local and regional wildfires. There is a high potential for wildfire impacts
on the vulnerable populations.
Infrastructure
All city infrastructure is located in a VHFHSZ. The critical infrastructure most at risk to increased
wildfire impacts would be access roads, bridle trails, above ground electrical utility lines, and water
systems. Portuguese Bend Road and Crest Road are critical for access to and evacuation from many
areas of the city. Wildfires may not significantly damage the infrastructure, but they could result in
closure or the inability to travel on them during wildfire events, which can isolate areas of the city
and create severe health and safety risks. There is a high potential for impacts to access roads from
wildfires.
Wildfires are unlikely to substantially damage trails directly, but they can force widespread trail
closures which are an important asset to the community. Above ground electrical lines are also at
risk from wildfires and could impact electricity services to residents in Rolling Hills. Water systems
could be directly affected by wildfires in addition to indirect impacts from water use from
firefighting activities and peak load water supply in remote portions of the city. There is a medium
potential for impact to these infrastructures.
Building and Facilities
As discussed under Hazards of Concern section, all of Rolling Hills is designated a VHFHSZ.
Therefore, all buildings and facilities within the city are at risk of increased wildfires caused by
climate change. The greatest potential impact of life and well-being would be to residential
structures, which are the primary structures in the city. In addition, impacts to Rolling Hills
Community Association and City Hall structures would impact community functions and government
services. There is a high potential for impact to buildings and facilities from wildfire.
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Services
Energy delivery, specifically electricity delivery, could be impacted from increased wildfires. Direct
impacts to Southern California Edison electricity transmission infrastructure could impact power in
the city. In addition, utility companies have begun shutting off power to areas to avoid wildfires
during times when weather creates high wildfire risk. In addition, public safety services could be
strained during wildfire events, which are expected to increase. There is a medium potential for
impacts to services in the city from wildfire.
Adaptive Capacity
Adaptive capacity is the current ability to cope with climate change impacts to community
populations and assets (Cal OES 2020). Specifically, adaptative capacity is the ability to mitigate the
potential impacts and damages or take advantage of the opportunities from climate change. Many
communities have adaptive capacity in the form of policies, plans, programs, or institutions. Rolling
Hills has actively taken steps to increase the city’s adaptive capacity, which include preparing a
community wildfire protection plan, hazard mitigation plan, undergrounding utility lines, and
adopting strict new building standards. Table 5 lists various guiding documents, projects, plans, and
policies that have an underlying emphasis on adaptive capacity in the city.
Table 5 Rolling Hills Existing Adaptive Capacity
Project, Policy, or Plan Year Established Climate Change Impact
City of Rolling Hill Community Wildfire Protection Plan 2020 Wildfire
City of Rolling Hills Safety Element 2003 Wildfire, Storms
California Water Service Palos Verdes Water District Urban
Water Management Plan
2016 Drought
Utility Undergrounding Requirement n/a Wildfire
Fire Prevention Power Line Undergrounding 2020 Wildfire
RHMC Chapter 8.30: Fire Fuel Abatement n/a Wildfire
Hazard Mitigation Plan 2019 Wildfire, Drought, Storm-
induced Landslides
Emergency Operations Plan 2020 Wildfire, Storm, Extreme
Heat
Emergency Notification and Notify Me n/a Wildfire, Storms
VHFHSZ Building Requirements n/a Wildfire
Rolling Hills Municipal Code Requirements for lot slope and
lot stability
n/a Storm-Induced Landslides
Rolling Hills has a number of plans and policies specific to wildfire hazards. The city’s recently
adopted the Community Wildfire Protection Plan that includes fire mitigation strategies and
evacuations strategies specific for the city. In addition, the Hazard Mitigation Plan provides an
analysis of historical hazards, a local hazard assessment, hazard impacts on the community, and
recommended mitigation strategies. The City requires the undergrounding of utility lines with
specific home upgrades and has a reimbursement program for utility pole replacement. In addition,
building code requirements for development within VHFHSZ, such as Class A roofing, would help
reduce wildfire impacts to structures in the city.
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The Rolling Hills Building and Zoning Codes include controls on development on steep slopes and
canyon bottoms. In addition, development requires proof of stability of the property through
geotechnical reports and only a percentage of each lot can be disturbed.
The Palos Verdes Water District’s Urban Water Management Plan (UWMP) provides water supply
and demand projections and includes a climate change analysis. The 2015 UWMP projected that
water supply reductions to the District due to climate change would be small for through the end of
the century. In addition, the UWMP includes a water shortage contingency plan and demand
reduction measures in the event water supply to the District is impacts from drought due to climate
change.
In addition, the city’s population has a high degree of adaptive capacity due to the high levels of
home ownership, low poverty levels, and high average income levels. These characteristics improve
resident’s ability to upgrade their homes and come back from potential impacts to their property
from wildfire and extreme storm events.
Vulnerability Scoring
Vulnerability scores are based on the combination of potential impacts from climate hazards and
adaptive capacity in order to identify the climate vulnerabilities in the city to address with additional
adaptation strategies. A vulnerability score was determined for each sensitivity area based on the
potential impacts and adaptive capacity from climate change in the city. Vulnerability was accessed
on a scale from 1 to 5:
V-1: Minimal Vulnerability
V-2: Low Vulnerability
V-3: Moderate Vulnerability
V-4: High
V-5: Severe
Cal OES recommended the following scoring rubric to determine the vulnerability score for the
potential impacts and adaptive capacity.
Low Potential Impact: Impact is unlikely based on projected exposure; would
result in minor consequences to public health, safety, and/or other metrics of concern
Medium Potential Impact: Impact is somewhat likely based on projected exposure; would
result in some consequences to public health, safety, and/or other metrics of concern
High Potential Impact: Impact is highly likely based on projected exposure; would result in
substantial consequences to public health, safety, and/or other metrics of concern
Low Adaptive Capacity: The population or asset lacks capacity to manage climate impact; major
changes would be required
Medium Adaptive Capacity: The population or asset has some capacity to manage climate
impact; some changes would be required
High Adaptive Capacity: The population or asset has high capacity to manage climate impact;
minimal to no changes are required
Table 6 shows how the final vulnerability score was determined. To summarize, potential impacts
from climate change that are highly likely to occur in the city based on projected exposure would
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create a high vulnerability score. However, if the city has a high adaptive capacity to manage the
impact, then the overall vulnerability score would be reduced.
Table 6 Vulnerability Score Matrix Potential Impacts High V-3 V-4 V-5
Medium V-2 V-3 V-4
Low V-1 V-2 V-3
High Medium Low
Adaptive Capacity
The vulnerability scoring for the identified population and assets for each climate impact is included
below in Table 7 and based on Cal OES California Adaptation Planning Guide. For those populations
and assets that are not anticipated to be impacted directly or indirectly from the identified climate
impacts, no vulnerabilty score or color is provided. For example, drought impacts on children were
determined to not be a threat in Rolling Hills.
For the purposes of this vulnerability assessment, a score of V-4 or V-5 is considered significant.
Populations and assets that score at least a V-4 for one or more exposures are considered
substantially vulnerable. As shown in Table 7, the potential impacts from climate change the city’s
population and assets are most vulnerable to are wildfire, extreme heat, and landslides. Vulnerable
populations such as older adults, residents with chronic health conditions, and those with financial
trouble are most at risk to extreme heat and wildfire impacts and are substantially vulnerable to
climate change impacts in the city. Access roads and residential structures are also the most
vulnerable to wildfire and landslide impacts from climate change. Overall, climate change impacts
on wildfire are the greatest potential impact to the city. While the City has adopted a significant
number of adaptation strategies related to wildfire impacts, because they were recently adopted
and some of the strategies were included as recommendations, it will be important to determine
and monitor if implementation is occurring and which recommendations should be included in the
Safety Element update.
This vulnerability assessment and the results in Table 7 will be used to identify specific policies and
implementable strategies for adapting to climate change in the Safety Element, thus making the
Rolling Hills community more resilient.
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Table 7 Vulnerability Assessment Results
Community Sensitivity Storms/Extreme Weather Extreme Heat Wildfire Landslides
Population
Children V-3 V-2 V-2
Persons with Chronic Health
Conditions
V-2 V-4 V-4 V-2
Persons in Poverty V-2 V-3 V-4 V-2
Renters V-3 V-2 V-2
Older Adults V-2 V-4 V-4 V-2
Limited English Speaking V-2 V-2
Infrastructure
Access Roads V-2 V-4 V-3
Bridle Trails V-2 V-3 V-2
Electrical Substations V-1 V-2 V-3
Electrical Utility Lines V-2 V-1 V-3 V-2
Natural Gas Transmission
Pipelines
V-2 V-2
Water Reservoirs and Systems V-1 V-2 V-3 V-3
Buildings and Facilities
Residential Structures V-1 V-5 V-3
Community Facilities and
Government Buildings
V-1 V-4 V-1
Community Parks V-1 V-1 V-3 V-3
Schools V-1 V-3 V-1
Public Safety Facilities V-1 V-3 V-1
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Community Sensitivity Storms/Extreme Weather Extreme Heat Wildfire Landslides
Services
Public Safety Response V-2 V-3 V-1
Water Services V-2 V-2 V-3 V-2
Energy Delivery V-2 V-3 V-4 V-2
Notes: Drought was not included in this table because the city’s vulnerability to drought is primarily low. White boxes indicate very low to now vulnerability.
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Summary of Issues and Opportunities
Existing hazards of concern in the city that should be a major focus of the Safety Element update
include landslide and wildfire hazards. In addition, emergency response and evacuation should be a
focus due to the city’s accessibility issues. Climate change is expected to increase potential hazards
the city experiences. From the vulnerability analysis, the city is most vulnerable to wildfire impacts,
extreme heat, and landslides impacts from climate change.
Hazards of Concern and Community Sensitivity
While there are a number of hazards that could impacts the city, the following are hazards of
concern that pose the greatest challenge to the city.
Wildfire
The greatest hazard of concern for the city is wildfire as the entire city limits are within a VHFHSZ
and the city contains many remote areas and limited evacuation routes. Some existing residential
and accessory structures are not built to current standards that apply to VHFHSZ and as a result
many of these structures may require mitigation and retrofit to reduce this potential threat. The
area’s most vulnerable to wildfire impacts include older adults, persons with chronic health
conditions, residential structures, government and community buildings, and access roads.
Landslides
Landslides are also a major concern for the city, whether they are earthquake induced, induced
from high precipitation events, or occur due to the underlying soil conditions. Existing landslides are
impacting the southern portion of the city. Climate change has the potential to create more
landslide events if Rolling Hills experiences more intense storms and precipitation events. The area’s
most vulnerable to landslide impacts include access roads, residential structures, and community
parks.
Extreme Heat
The city is expected to see increases in the number and length of extreme heat days and events due
to climate change, which could impact vulnerable people in the city and lead to increased wildfire
risks. The area’s most vulnerable to extreme heat impacts from climate change include older adults,
persons with chronic health conditions, and the energy system.
Opportunities
The need to further analyze evacuation routes and access is one of the most recent changes in
Safety Element requirements. These new requirements focus on the identification of areas where
routes are lacking or inadequate. A key opportunity for the Safety Element update is address
specific evacuation needs.
The City has recently adopted a number of planning documents, such as the Hazard Mitigation Plan
and Community Wildfire Protection Plan, that seek to reduce the risk of hazards in the city. Many of
the strategies included in these documents are recommendations and are used for educational
purposes. An opportunity for the Safety Element update would be to include the recommendations
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as implementation tools for the Safety Element and to conduct outreach with the community to
determine if community preparedness is occurring.
The California Legislature recently adopted Senate Bill 182 (SB 182) and is awaiting Governor
approval. SB 182 would require the Safety Element to include a comprehensive retrofit strategy as
necessary to reduce the risk of property loss and damage during wildfires. Additionally, in order to
reduce development pressures in the VHFHSZ through the Regional Housing Needs Allocation
process, SB 182 requires a lower proportion of state housing allocation to jurisdictions that meet
specified conditions. The City should monitor and incorporate these elements as necessary.
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References
California Department of Toxic Substances and Control (DTSC). 2020. Envirostor.
https://www.envirostor.dtsc.ca.gov/public/map/?myaddress=rolling+hills%2C+ca. Accessed
August 2020.
California Department of Water Resources (DWR). 2019. Climate Change Basics. Available at
https://water.ca.gov/Water-Basics/Climate-Change-Basics. Accessed September 2020.
California Governor’s Office of Emergency Services (Cal OES). 2020. California Adaptation Planning
Guide. June 2020.
California Water Service (Cal Water). 2016. 2015 Urban Water Management Plan: Palos Verdes
District. June 2016.
Center for Disease Control (CDC). 2017a. Heat and Older Adults.
https://www.cdc.gov/disasters/extremeheat/older-adults-heat.html. Accessed September
2020.
____. 2017b. Heat and People with Chronic Medical Conditions.
https://www.cdc.gov/disasters/extremeheat/medical.html. Accessed September 2020.
____. 2019. Heat and Infants and Children.
https://www.cdc.gov/disasters/extremeheat/children.html. Accessed September 2020.
Federal Emergency Management Agency (FEMA). 2008. Flood Insurance Rate Map 06037C1940F.
Goss, Michael et al. 2020. Climate change is increasing the likelihood of extreme autumn wildfire
conditions across California. Environmental Research Letters 15.094016
Intergovernmental Panel on Climate Change (IPCC). 2013. IPCC Fifth Assessment Report: Climate
Change 2013. Working Group I: The Physical Science Basis. Accessible at:
http://www.ipcc.ch/report/ar5/wg1/
Los Angeles County Sheriff’s Department (LACSD). 2020. Lomita Station Part I Crimes.
http://shq.lasdnews.net/CrimeStats/CAASS/Patrol-CurrentMonth-YTD.PDF. Accessed
August 2020.
National Drought Mitigation Center. 2020. U.S. Drought Monitor: California. September 15, 2020.
https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?CA. Accessed
September 2020.
National Integrated Drought Information System (NIDIS). 2020. Drought in California.
https://www.drought.gov/drought/states/california. Accessed October 2020.
Rolling Hills, City of. 1990. General Plan Safety Element. June 25, 1990.
____. 2019. Hazard Mitigation Plan. January 16, 2019.
____. 2020. Community Wildfire Protection Plan. July 2020.
Southern California Earthquake Center. 2013. Hazards and Threats Earthquakes List of Major Active
Surface Faults in Southern California. March.
University of California, Berkeley and California Energy Commission (CEC). 2020. Cal-Adapt.
https://cal-adapt.org/. Accessed August 2020.
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References
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U.S. Census Bureau. 2018. Rolling Hills, City 2018 ACS 5-Year Estimates.
https://data.census.gov/cedsci/table?q=Rolling%20Hills%20city,%20California&g=1600000U
S0662602&tid=ACSDP5Y2018.DP05&hidePreview=false.
Western Region Climate Center (WRCC). 2016. Period of Record Monthly Climate Summary.
https://wrcc.dri.edu/cgi-bin/cliMAIN.pl?ca8973. Accessed August 2020.
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Safety Element Overview
●Required element of the General Plan
●Helps protect Rolling Hills against threats to public
health and safety and addresses both natural and
human-caused disasters
●Support for and in alignment with the City’s
Community Wildfire Protection Plan (2020)
●The 6th Cycle Housing Element triggered SB 379,
requiring Rolling Hills to update the Safety Element
102
Safety Element Regulatory Context
Climate Change Legislation
SB 379: Requires local governments to address climate change vulnerabilities
Wildfire Legislation
SB 99: Requires local governments to identify residential developments in any
hazard areas that do not have at least two emergency evacuation routes
AB 747: Requires local governments to identify evacuation routes and evaluate
103
Climate Change Legislation (SB 379)
Climate hazards identified
•Increased temperature and extreme heat
•Increased storm frequency and intensity
•Increased drought risk
•Increased wildfire risk
Community Sensitivities
•Populations (e.g., older adults, young children, individuals
with chronic health conditions, etc.)
•Infrastructure (e.g., roads, electrical utility lines, etc.)
•Buildings and Facilities (e.g., residential structures, public
safety facilities, etc.)
•Services (e.g., public safety response, water services, etc.)104
Wildfire Legislation (SB 99 and AB 747)
SB 99
•Due to its small size, the City is considered
one neighborhood/residential development
with 4 evacuation routes.
AB 747
•Triggered by the next Rolling Hills Hazard
Mitigation Plan Update.
All fire-related policies were reviewed by CAL
FIRE and the California Board of Forestry and
Fire Protection. No further recommendations
were provided.105
Wildfire Legislation (SB 99 and AB 747)
Existing Topics
●Seismic and Geologic Hazards
●Flood and Inundation Hazards
●Urban and Wildland Fire Hazards
●Hazardous Materials
●Crime
Additional Topics Included in Update
●Hazards of Concern
●Disease Prevention
●Climate Change
Adaptation/Resilience
106
New & Updated Policies
Legislation
Addressed
Policy
SB 99 PS-3.4: Ensure that all new residential development has at least two emergency
evacuations.
AB 747 PS-3.9: Evaluate evacuation route capacity, safety, and viability under a range of
emergency scenarios as part of the next update to the Rolling Hills Hazard
Mitigation Plan, in accordance with AB 747.
CAL FIRE
Recommendation
PS-3.13: Require fire protection plans for all new development.
CAL FIRE
Recommendation
PS-3.17: Establish and maintain community fire breaks and fuel
modification/reduction zones, including public and private road clearance.
107
New & Updated Policies
Legislation
Addressed
Policy
N/A PS-5.4: Inventory and, where necessary, acquire supplemental disaster
communication equipment and other equipment, tools, and supplies used by Block
Captains during an emergency.
N/A PS 5.15: Minimize the risk of spread of infectious diseases and associated
economic disruption.
CAL FIRE
Recommendation
PS-5.9: Encourage residents to attend periodic training programs on wildfire
mitigation and disaster planning, and to develop disaster preparedness and
evacuation plans.
SB 379 PS-7.2: Prepare for and adapt to the effects of climate change by considering
climate change vulnerability in planning decisions, including those involving new
public facilities and private development.
SB 379 PS-7.6: Update emergency/disaster response measures to account for increased
heat days.108
Thank You
Questions?
2022 Safety Element Update
City of Rolling Hills, CA 109
Agenda Item No.: 9.A
Mtg. Date: 01/18/2022
TO:HONORABLE CHAIR AND MEMBERS OF THE PLANNING
COMMISSION
FROM:JOHN SIGNO, DIRECTOR OF PLANNING & COMMUNITY SERVICES
THRU:ELAINE JENG P.E., CITY MANAGER
SUBJECT:
ZONING CASE NO. 21-13: REQUEST FOR APPROVAL OF A SITE PLAN
REVIEW FOR A POOL, SPA, GRADING, AND OTHER
IMPROVEMENTS FOR A PROPERTY LOCATED AT 4 STORM HILL
LANE (GRZYWACZ)
DATE:January 18, 2022
BACKGROUND:
Zoning, Location, and Lot Description
The property is zoned RAS-2 and has a net lot area of 298,606 square feet (6.86 acres). The lot is
developed with a 5,453-square-foot single family residence and a 950-square-foot garage. There are
five existing building pads on site with approximately 40 feet difference in elevation. The existing
residence, garage and project area are located on the highest and largest pad (45,702 square feet) in the
middle of the property; the secondary pad (16,311 square feet) is located behind the main pad and
contains a tennis court and guesthouse; the third pad (18,228 square feet) is in the southern portion of
the property and contains an arena and corral; the fourth pad (3,869 square feet) is located south of the
main pad and includes a corral; the fifth pad (8,065 square feet) in the front of the property is developed
with a corral and stable. The existing topography of the project site has a gradual slope and is an ideal
location for a swimming pool and spa in that it is located outside of required setbacks.
DISCUSSION:
Project Description
The applicant is proposing to construct a 920-square-foot swimming pool and spa, pool equipment,
barbecue and kitchen area, patio extension, water feature, trellis, garden, garden walls, and landscaping.
The project includes 4,761 square feet of new flatwork: 2,719 square feet of patio area and 2,042 square
110
for a pool deck. The proposed project will create 2,843 square feet of newly disturbed land and includes
496 cubic yards of grading, which wills be balanced on site. Excavation for the swimming pool is
exempt from grading calculations, but is included as part of the project to level the grade. No import or
export of dirt will occur.
Site Plan Review
The applicant is requesting a Site Plan Review (SPR) to exceed the 800 square feet allowed by-right for
a swimming pool, and conduct 496 square feet of total grading.
Swimming Pool
The proposed swimming pool and spa is 920 square feet. A Site Plan Review is required because the
pool and spa exceeds the 800 square feet allowed by right. Section 17.46.020.A.2.a of the Rolling Hills
Municipal Code states:
“A swimming pool and spa, which is less than eight hundred square feet in area (area of surface
water), that do not require grading and when such construction would not cause exceedance of
the requirements for structural and total net lot coverage and disturbed area of the lot. For the
purpose of this section, the actual excavation for the swimming pool or spa is not considered
grading. However, should there be a need to create a buildable pad for the purpose of locating the
swimming pool or spa on the pad, and if such construction does not meet the exemption criteria
pursuant to Section 15.04.120 of the Building and Construction Code, a site plan review shall be
required.”
The proposed pool and spa is more than 800 square feet, which is the maximum size allowed without a
Site Plan Review. The proposed pool and spa will not encroach into any required yards and will be on
relatively flat land. The proposed uses will be located behind the house in an area with views of the Los
Angeles basin. There are other locations on site for the proposed uses, however, the other locations are
on separate building pads and are much smaller. Locating the proposed uses on a higher elevation,
behind the residence, eliminates the line of sight to the pool and does not block the view from adjacent
residences. As such, the proposed location is viable and safe for a pool and spa due to the existing
topography.
Grading
The applicant is requesting to use the excavated dirt from the proposed swimming pool area to flatten
the surrounding area. Typically, dirt excavated for a swimming pool and spa is exempt from grading
calculations, however, the applicant will be using the 113 cubic yards (CY) of dirt from the swimming
pool/spa to flatten the surrounding area. As a result, no export of dirt will occur. The total grading for
the project is 496 cubic yards (CY): 248 CY of cut and 248 CY of fill. A second area of grading near
the front of the property will be done to create a garden area. A third area of grading occurs in the
northern portion of the site to improve bio-infiltration of storm water. Balancing grading on site
complies with the goals of the General Plan by eliminating the need to import or export dirt. The
proposed grading will not impact site drainage.
Section 17.46.050 - Required Site Plan Review findings.
The Commission shall be required to make findings in acting to approve, conditionally approve, or
deny a site plan review application. No project which requires Site Plan Review approval shall be
approved by the Commission, or by the City Council on appeal, unless the following findings can be
111
made:
1. The project complies with and is consistent with the goals and policies of the General Plan and all
requirements of the Zoning Ordinance;
2. The project substantially preserves the natural and undeveloped state of the lot by minimizing
building coverage. Lot coverage requirements are regarded as maximums, and the actual amount
of lot coverage permitted depends upon the existing buildable area of the lot;
3. The project is harmonious in scale and mass with the site, the natural terrain and surrounding
residences;
4. The project preserves and integrates into the site design, to the greatest extent possible, existing
topographic features of the site, including surrounding native vegetation, mature trees, drainage
courses and land forms (such as hillsides and knolls);
5. Grading has been designed to follow natural contours of the site and to minimize the amount of
grading required to create the building area;
6. Grading will not modify existing drainage channels nor redirect drainage flow, unless such flow
is redirected into an existing drainage course;
7. The project preserves surrounding native vegetation and mature trees and supplements these
elements with drought-tolerant landscaping which is compatible with and enhances the rural
character of the community, and landscaping provides a buffer or transition area between private
and public areas;
8. The project is sensitive and not detrimental to the convenient and safe movement of pedestrians
and vehicles; and
9. The project conforms to the requirements of the California Environmental Quality Act.
If all of the above findings cannot be made with regard to the proposed project, or cannot be made even
with changes to the project through project conditions imposed by City staff and/or the Planning
Commission, the Site Plan Review application shall be denied. Findings to support the proposed project
are included in the resolution.
Public Participation
No calls or letters were received.
Environmental Review
The proposed project has been determined not to have a significant effect on the environment and is
categorically exempt from the provisions of the California Environmental Quality Act (CEQA)
Guidelines pursuant to Section 15303 (New Construction or Conversion of Small Structures), which
exempts accessory structures including garages, carports, patios, swimming pools, and fences.
FISCAL IMPACT:
None.
RECOMMENDATION:
Adopt Resolution No. 2022-01 approving a Site Plan Review for a swimming pool, spa, grading, and
other improvements.
ATTACHMENTS:
112
4 Storm Hill (ZC 21-13) Development Table.pdf
Development Plans - 4 Storm Hill (ZC 21-13).pdf
Vicinity Map - 4 Storm Hill Ln.pdf
Resolution 2022-01 (4 Storm Hill Lane) (ZC 21-13)-c1 (002)-c1-c1.pdf
113
Development Table Zoning Case No. 2021-13 (4 STORM HILL LANE)
EXISTING PROPOSED TOTAL
Single family residence,
garage, spa, equipment,
guest house, stable,
recreation court, entryways,
sheds/trellises, bbq
New swimming pool, spa,
bbq/kitchen, water feature,
deck and grading
Requires Site Plan
Review
Net Lot Area 298,606 SF 0 SF 298,606 SF
Residence 5,453 SF 0 SF 5,453 SF
Garage 950 SF 0 SF 950 SF
Swimming Pool/Spa 76 SF 920 SF 996 SF
Pool Equipment 60 SF 108 SF 160 SF
Guest House 800 SF 800 SF
Stable 2,064 SF 2,064 SF
Recreation Court 7,047 SF 7,047 SF
Entryway, Breezeway 877 SF 877 SF
Sheds, Trellises, Gazebo 541 SF 541 SF
Barbecue, Outdoor Kitchen 18 SF 59 SF 77 SF
Water Features, Etc. 66 SF 66 SF
Service Yard 120 SF 120 SF
Total Structure Area 18,006 SF 1,153 SF 19,159 SF
Structural Coverage 6.0 % 0.4 % 6.4 %
Total Structures Excluding: up to 5
legal and up to 800 SF detached
structures that are not higher than
12 ft (no more than 120 SF per
structure per deduction, except for
trellis)
17,465 SF 1,076 SF 18,481 SF
Structural Coverage
(20% maximum) 5.8% 0.4% 6.2%
Grading (balanced on site)
INCLUDING POOL EXCAVATION
CUT: 248 CY
FILL: 248 CY
Total Lot Coverage
(35% maximum)
13.2% 2.0%15.2%
Building Pad Coverage 1
(30%maximum)
16.3% 2.2%18.5%
Building Pad Coverage 2
(30%maximum)
48.1% 0%48.1%
Building Pad Coverage 3
(30%maximum)
0% 0% 0%
Building Pad Coverage 4
(30%maximum)
16.7% 0%16.7%
Building Pad Coverage 5
(30%maximum)
17.5% 0%17.5%
Disturbed Area (40% maximum) 41% 1% 42%
Stable min. 450 SF 2,064 SF 0 SF 2,064 SF
Corral min. 550 SF >18,000 SF 0 SF >18,000 SF
114
GRZYWACZ RESIDENCE4 STORM HILL LANEROLLING HILLS, CA 90247PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 9027410-05-2021L-0REGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017COVERREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA 90247N/ALOT CALC AREA BREAKDOWN WITH ENGINEER STAMP:LIST OF BMPS (BEST MANAGEMENT PRACTICES)1. CA1DEWATERING OPERATIONS - REMOVE SEDIMENTS FROM GROUND WATER2. CA2PAVING OPERATIONS - REDUCE DISCHARGE OF POLLUTANTS FROM PAVING OPERATIONS3. CA3STRUCTURE CONSTRUCTION AND PAINTING - PREVENT & REDUCE DISCHARGE FROM CONSTRUCTION SITES & PAINTING PROJECTS4. CA10MATERIAL DELIVERY AND STORAGE - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER FROM MATERIAL DELIVERY &STORAGE5. CA11MATERIAL USE - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER FROM MATERIAL USE6. CA12SPILL PREVENTION AND CONTROL - PREVENT & REDUCE DISCHARGE OF POLLUTANT TO STORM WATER SYSTEMS WITH GOODHOUSEKEEPING7. CA20SOLID WASTE MANAGEMENT - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER SYSTEMS FROM SOLID WASTE ORCONSTRUCTION8. CA21HAZARDOUS WASTE MANAGEMENT - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER FROM TOXIC MATERIALS9. CA22CONTAMINATED SOIL MANAGEMENT - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER CONTAMINATED SOIL10. CA23CONCRETE WASTE MANAGEMENT - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER FROM CONCRETE WASTE11. CA24SANITARY/SEPTIC WASTE MANAGEMENT - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STROM WATER FROM SANITARY & SEPTICSYSTEMS12. CA30VEHICLE AND EQUIPMENT CLEANING - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER FROM CLEANING OF VEHICLESAND EQUIPMENT13. CA31VEHICLE AND EQUIPMENT FUELING - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER FROM FUELING OF VEHICLES &EQUIPMENT14. CA32VEHICLE AND EQUIPMENT MAINTENANCE - PREVENT & REDUCE DISCHARGE OF POLLUTANTS TO STORM WATER FROM MAINTENANCE OFVEHICLES & EQUIPMENT15. CA40EMPLOYEE/SUBCONTRACTOR TRAINING -SWPPP STORM WATER POLLUTION PREVENTION PLAN16. ESC1SCHEDULING - SEQUENCING THE CONSTRUCTION PROJECT TO REDUCE THE AMOUNT OF SOIL EXPOSED TO EROSION17. ESC2PRESERVATION OF EXISTING VEGETATION - MINIMIZE DAMAGE AND EROSION BY PRESERVING THE EXISTING VEGETATION18. ESC10SEEDING AND PLANTING - MINIMIZE EROSION WITH SEEDING AND PLANTING19. ESC11MULCHING - FOR STABILIZING CLEARED AND FRESHLY SEEDED AREAS20. ESC20GEOTEXTILES AND MATS - FOR STABILIZATION OF SOILS21. ESC21DUST CONTROLS - REDUCE DUST AND SOIL EROSION22. ESC22TEMPORARY STREAM CROSSING - RECOMMENDATIONS FOR INSTALLING A TEMPORARY CULVER, FORD OR BRIDGE23. ESC23CONSTRUCTION ROAD STABILIZATION - RECOMMENDATIONS FOR DUST AND EROSION CONTROL24. ESC24STABILIZED CONSTRUCTION ENTRANCE - RECOMMENDATIONS FOR DUST, SEDIMENT AND EROSION CONTROL FOR PUBLIC STREETS25. ESC30EARTH DIKE - TEMPORARY BERM OR RIDGE OF COMPACTED SOIL26. ESC31TEMPORARY DRAINS AND SWALES - TO DIVERT OFF-SITE RUNOFF AROUND A CONSTRUCTION SITE27. ESC32SLOPE DRAIN - TEMPORARY PIPE TO DIVERT RUNOFF FROM THE TOP OF A SLOPE TO THE BOTTOM WITHOUT CAUSING EROSION28. ESC40OUTLET PROTECTION - INSTALL RIP-RAP TO REDUCE SEDIMENT IN THE SOIL29. ESC41CHECK DAMS - REDUCES VELOCITY OF CONCENTRATED STORM WATER FLOWS AND REDUCES EROSION30. ESC42SLOPE ROUGHENING/TERRACING - CREATES MICROCLIMATES FOR ESTABLISHING VEGETATION31. ESC50FOR SEDIMENTATION CONTROL32. ESC51STRAW BALE BARRIERS - FOR SEDIMENTATION CONTROL33. ESC52SAND BAG BARRIER - FOR SEDIMENTATION CONTROL34. ESC53BRUSH OR ROCK FILTER - FOR SEDIMENTATION CONTROL AND VELOCITY REDUCTION35. ESC54STORM DRAIN INLET PROTECTION - DEVICES WHICH DETAIN SEDIMENT LADEN RUNOFF36. ESC55SEDIMENT TRAP - SMALL EXCAVATED OR BERMED AREA FOR SEDIMENTATION37. ESC56SEDIMENT BASIN - POND CREATED TO ALLOW EXCESSIVE SEDIMENT TO SETTLELANDSCAPE MAINTENANCE REQUIREMENTS SHALL BE ASFOLLOWS : 1. AN AUTOMATIC SPRINKLER OR IRRIGATION SYSTEM SHALL BE INSTALLED AND PERMANENTLY MAINTAINED IN WORKING ORDER. 2. ALL LANDSCAPING SHALL BE PERMANENTLY MAINTAINED. 3. LAWN AND GROUND COVERS SHALL BE MOWED OR TRIMMED REGULARLY. ALL PLANTED AREAS SHALL BE KEPT FREE OF WEEDS AND DEBRIS. 4. ALL PLANTINGS SHALL BE KEPT IN A HEALTHY AND GROWING CONDITION. ADJUSTMENTS, REPLACEMENTS, REPAIRS AND CLEANING SHALL BE A PART OF THE REGULAR MAINTENANCE. 5. STAKES, GUYS AND TIES ON TREES SHALL BE CHECKED REGULARLY FOR CORRECT FUNCTION. TIES SHALL BE ADJUSTED TO AVOID CREATING ABRASION OR GIRDING ON TRUNKS OR BRANCHES.MAINTENANCE REQUIREMENTS12. CONTRACTOR TO ASCERTAIN ALL REQUIRED SWIMMING POOL FENCING TO BE MAINTAINED DURING CONSTRUCTION OR THE POOL SHALL BE EMPTIED.8. PER LOCAL REQUIREMENTS, THE WORKING HOURS ARE BETWEEN 7:00 AM TO 7:00 PM MONDAY THROUGH THURSDAY; 7:00 AM TO 5:00 PM ON FRIDAY AND 9:00 AM TO 5:00 PM ON SATURDAY WITH NO WORK ON SUNDAYS OR HOLIDAYS. THE ABOVE LIMITS ARE FOR REFERENCE ONLY AND CONTRACTOR ARE RESPONSIBLE TO ASCERTAIN THE WORKING HOUR LIMIT FROM RELEVANT CITY REQUIREMENTS.GENERAL NOTES :1. ANY YARD DRAINAGE IMPROVEMENTS SHALL BE INSPECTED AND CERTIFIED BY THE ENGINEER OF RECORD PRIOR TO FINAL APPROVAL.2. ANY DRAINAGE DIRECTED TO THE STREET THROUGH PIPING SHALL BE DRAWN UP BY A LICENSED CIVIL ENGINEER AND SUBMITTED TO THE CITY ENGINEER FOR APPROVAL PRIOR TO OBTAINING A PUBLIC WORKS PERMIT FOR CURB CORING.3. CONTRACTOR TO VERIFY LOCATIONS OF SMOKE DETECTORS AND CARBON MONOXIDE ALARMS IN NEW WORK PER SECTIONS R314 & R315 OF THE CRC RESPECTIVELY.4. ALL CONSTRUCTION WASTE AND DEBRIS MUST BE CONTAINERIZED AT ALL TIMES & MUST BE ATHENS DUMPSTERS ONLY (CALL 1-888-336-6100)5. A RE-INSPECTION FEE MAY BE CHARGED BY THE CITY FOR AN INSPECTION WHICH IS NOT ACCESSIBLE, OR APPROVED PLANS ARE NOT ON SITE, OR JOB IS NOT READY AND ALL COSTS SHALL BE BORNE BY THE CONTRACTOR RESPONSIBLE FOR THE SAID WORK.6. ANY AND ALL DEVIATIONS FROM THE PLANNING COMMISSION APPROVED PLANS REQUIRE THAT REVISED PLANS BE SUBMITTED TO THE PLANNING DEPARTMENT FOR REVIEW AND APPROVAL.7. ALL GENERAL CONTRACTORS, SUB-CONTRACTORS, ARCHITECTS & ENGINEERS CONDUCTING BUSINESS WITHIN THE CITY ARE REQUIRED TO MAINTAIN A CURRENT CITY BUSINESS LICENSE AS DESCRIBED IN THE MUNICIPAL CODE ORDINANCE NO. 092-559 AND RESLOLUTION NO. R92-72.NOTES :1. ANY PLANTING OR HARDSCAPE ON CITY RIGHT OF WAY WILL BE REQUIRED TO BE REVIEWED AND APPROVED BY THE CITY.2. ALL PLANTING THAT GROWS TO A HEIGHT THAT BECOMES A VIEW OBSTRUCTION, WILL BE REQUIRED TO BE TRIMMED.3. VERIFY ALL DIMENSIONS ON SITE AND NOTIFY LANDSCAPE ARCHITECT OF ANY DISCREPANCIES PRIOR TO COMMENCEMENT OF WORKS.4. WRITTEN DIMENSIONS TAKE PRECEDENCE OVER SCALED DIMENSIONS.5. LANDSCAPE ARCHITECT IS NOT RESPONSIBLE FOR ANY MEANS OR METHODS OF CONSTRUCTION.6. LANDSCAPE ARCHITECT IS NOT RESPONSIBLE FOR PROPOSED OR EXISTING CONDITIONS.7. ALL DIMENSIONS ARE TO FINISHED SURFACES.8. SEE ENGINEER'S DRAWINGS FOR ALL DETAILS & REQUIREMENTS OF CONCRETE, CMU WALLS, REBARS, ETC.9. ALL EXPOSED GALV. STEEL PARTS TO BE PAINTED W/ PRIMER & 2 COATS OF POLYURETHANE PAINT.10. CONTRACTOR TO VERIFY ALL EQUIPMENT SIZES, UTILITY REQUIREMENTS ETC. PRIOR TO CONSTRUCTION.11. CONTRACTOR TO SUBMIT ALL MATERIAL & COLOR SAMPLES FOR APPROVAL PRIOR TO ANY WORK COMMENCES.12. SURVEY INFORMATION WERE OBTAINED FROM OTHER'S RECORDS AND EXISTING SITE CONDITIONS. CONTRACTOR TO VERIFY ALL CONDITIONS PRIOR TO CONSTRUCTION.13. PRIOR TO ANY DEMOLITION/GRADING WORK COMMENCES, A PRE-DEMO/GRADING MEETING SHALL BE ARRANGED WITH CITY BUILDING OFFICIALS, GENERAL CONTRACTOR, OWNER OR OWNER'S REPRESENTATIVE, SOIL ENGINEER, LANDSCAPE ARCHITECT AND/OR GRADING CONTRACTOR.14. CONTRACTOR TO INSTALL ALL NECESSARY EROSION CONTROL AND SEDIMENT RETENTION PROVISIONS ACCORDING TO PLAN OR AS NECESSARY.15. DETACHED PATIO COVERS, CARPORTS, ARBORS, OPEN LATTICE WORK & SUN SHADES MAY BE CONSTRUCTED OF ANY MATERIALS ALLOWED BY CODE.13. SURVEY PREPARED BY OTHERS:14. SHOULD EXISTING CONDITIONS DIFFER FROM THIS LAYOUT, CONTRACTOR ARE TO INFORM LANDSCAPE ARCHITECT FOR VERIFICATION PRIOR TO WORK COMMENCES.9. ALL WORKS SHALL CONFORM TO ALL RELEVANT CURRENT CODES INCLUDING BUT NOT LIMITED TO : - 2019 CALIFORNIA BUILDING CODE - 2019 CALIFORNIA RESIDENTIAL CODE - 2019 CALIFORNIA PLUMBING CODE - 2019 CALIFORNIA MECHANICAL CODE - 2019 CALIFORNIA ELECTRICAL CODE - THE CURRENT REQUIREMENTS OF THE ENERGY - COUNTY OF LOS ANGELES FIRE CODE10. DUST CONTROL MEASURES SHALL BE MAINTAINED THROUGHOUT THE DURATION OF THE PROJECT.11. SEPARATE PUBLIC WORKS PERMIT SHALL BE REQUIRED FOR ANY APPROACH TO PRIVATE DRIVEWAYS, SEWER LATERALS, CURBS, CURB CORES, STEEET IMPROVEMENTS OR ANY WORK IN THE PUBLIC RIGHT OF WAY OR PARKWAYS.VICINITY MAPSCALE: NTSSITE AERIAL VIEWSCALE: NTSNORTHNORTHNORTHNORTHNORTHNORTHDWG. NO.SCALEDESCRIPTIONSDATEREV. DATESCOPE OF WORK:THE SCOPE OF WORK FOR THIS PROJECT INCLUDES THE FOLLOWINGNEW FEATURES :PROJECT INFORMATION :OWNERMAILING ADDRESSPROJECT ADDRESSPHONE NUMBER: CLAUDIA & TOM GRZYWACZ: 4 STORM HILL LANE ROLLING HILLS, CA 90247 : 310-534-5232LANDSCAPE ARCHITECTMAILING ADDRESSPHONE NUMBER: RICHIE-BRAY, INC: 904 SILVER SPUR ROAD, ROLLING HILLS ESTATES, CA 90274: (310) 377-5868REAR YARD REMODEL INCLUDING:- HARDSCAPE - PATIO, WALLS, STEPPING STONES- BOCCE BALL COURT- FIRE PIT- SWIMMING POOL / SPA- BBQ / OUTDOOR KITCHEN- WATER FEATURES- RAISED VEGGIE BEDSCOVER SHEETN/AL-0---: 4 STORM HILL LANE ROLLING HILLS, CA 90247 FULL PROPERTY, SETBACKS, SOW1/32" = 1'-0"L-1---HARDSCAPE LAYOUT & MATERIALS1" = 10'-0"L-2.1GRADING AND DRAINAGE CONCEPT1" = 10'-0"L-2.2---EXISTING CONDITIONS1" = 10'-0"L-2------10-08-2021DETAILS - POOL1/4" = 1'-0"L-3---DETAILS - FIRE-PIT, VEGGIE BEDS, BOCCESEE SHEETL-3.1---DETAILS - BBQ / KITCHENSEE SHEETL-3.2---01-12-202210-04-202110-05-202110-04-202110-07-202107-13-202110-08-202110-05-202110-05-202110-11-2021ENGINEERMAILING ADDRESSPHONE NUMBER: PLOTNIK & ASSOCIATES (LARRY CARR): 18626 S. WILINGTON AVE, RANCHO DOMINGUEZ, CA 90220: (310) 605-665710-12-202110-21-2021BUILDING PADS COVERAGE1/32" = 1'-0"L-1.1---10-04-2021COLOR MARKERS AS PER CHECKLIST1/32" = 1'-0"L-1.2---10-04-2021CONCEPTUAL LANDSCAPE AREAS1" = 10'-0"LP-1---10-04-202110-26-2021CITYRE-SUBMITTAL01.12.2211-01-202112-03-202112-03-202112-03-202112-03-202112-03-202112-03-202112-03-202112-03-202112-03-202112-03-202101-12-202201-12-2022HYDROZONES - MWELO CALCS1" = 10'-0"LP-2---12-03-202101-12-2022115
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7
0
EXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASS
PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274FULL PROPERTY SURVEY,SETBACKS, DIST TONEIGHBORINGDWELLINGS & SCOPE OFWORKL-11/32" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-04-2021SCOPE OF WORK / PROJECT AREA - APPROX 36,352 SQFTPROPOSED: NEW POOL & POOL DECK, EXPANDED EXISTING PATIO,NEW VEGETABLE GARDEN, NEW BOCCE COURT, NEW FIRE PIT,NEW GARDEN PATHS, NEW OUTDOOR BBQ AREAAND 2 NEW WATER FEATURESEXISTING RESIDENCEPROPERTY LINEREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-01710-11-2021ROAD CENTER LINEBUILDING SETBACKHOA EASEMENT LINENET LOT COVERAGE AREA LINEDISTANCE TO NEIGHBORING DWELLINGS____________________________UTILITY POLESEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYSTORM RIDGE TRAIL10-20-202110-26-202110-27-2021DISTANCE TO CORRAL
DISTANCE TO CORRAL
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DISTANCE FROM PLTO SCOPE OF WORK476 FEET510 FEET523 FEET905 FEET556 FEET846 FEET605 FEET889 FEET507 FEET>
>>>>>>>>11-01-2021CITYRE-SUBMITTAL12.03.2112-03-2021116
SBD35'-0
"
20'-0
"50'-0"30'-0"1076
30'-0"20'-0"50'-0"30'-0"35'-0"10'-0
"10'-0"10'-0"10'-0"118'-8"
121'-5"
137'
-
9
"
PRESERVEEXISTING TREES
EXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASS
PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274BUILDING PADSCOVERAGEL-1.11/32" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-04-2021EXISTING RESIDENCEREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-01710-11-2021PAD 145,702 SQFTPAD COVER: 18.3%PAD 318,228 SQFTPAD COVER: 0%PAD 216,311 SQFTPAD COVER: 48.1%PAD 43869 SQFTPAD COVER: 16.7%PAD 58065 SQFTPAD COVER: 17.5%UTILITY POLESEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAY10-20-2021ARENA / CORRALCORRALCORRAL10-26-202111-01-2021DIS
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SCOPE OF WORK / PROJECT AREA -APPROX 36,352 SQFTPROPOSED: NEW POOL & POOLDECK, EXPANDED EXISTING PATIO,NEW VEGETABLE GARDEN, NEWBOCCE COURT, NEW FIRE PIT,NEW GARDEN PATHS, NEWOUTDOOR BBQ AREAAND 2 NEW WATER FEATURESCITYRE-SUBMITTAL12.03.2112-03-2021117
SBD35'-0
"
20'-0
"50'-0"30'-0"L-3AL-3BL-3BL-3
.1CL-3.1CL-3.1DL-3
.1D1076
30'-0"20'-0"50'-0"30'-0"35'-0"10'-0
"10'-0"10'-0"10'-0"118'-8"
121'-5"
137'
-
9
"L-3.3EL-3.3EL-3AL-3.3DPRESERVEEXISTING TREES
EXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASS
PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274L-1.21/32" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-04-2021EXISTING RESIDENCEREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-01710-11-2021PAD 145,702 SQFTPAD COVER: 18.3%PAD 318,228 SQFTPAD COVER: 0%PAD 216,311 SQFTPAD COVER: 48.1%PAD 43869 SQFTPAD COVER: 16.7%PAD 58065 SQFTPAD COVER: 17.5%UTILITY POLESEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYEXISTING DRIVEWAYRESIDENTIAL BUILDING PA (NOT IN SETBACKS) ADDITIONAL BUILDING PADS (NOT IN SETBACKS)DISTURBED AREASNET LOT BOUNDARY SETBACK LINESCUT AREAS FOR GRADINGFILL AREAS FOR GRADINGSCOPE OF WORK - PROPOSED PROJECT AREABUILDING SETBACKHOA EASEMENTDIFFERENT COLOR MARKERS AS PERPLAN SUBMITTAL CHECKLIST - PG 6______________________________DIFFERENT COLORMARKERS AS PER PLANSUBMITTAL CHECKLISTPG 610-20-202110-26-202111-01-2021DIS
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14'-0"14'-0"8'-0"10'-0"10'-0"36'-0"10'-0"8'-0"20'-0"32'-0"11'-4"6'-3"8'-0"12'-0"7'-4"24'
-0
"13'
-0
"14'
-0
"7'
-0
"
5'-0"2'-0"
6'-7"5'
-3
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3'-4"
35'-
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"18'-0"46'-0"
50'-0"
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118'-8"L-3.3EL-3.3EL-3AL-3.3DPRESERVEEXISTING TREES 20'-0"46'-0"10'-0"10'-0"FS
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EXISTING TURF
A
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PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274HARDSCAPE LAYOUTPLAN & MATERIALSL-2.11" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024707-13-2021EXISTING PLAYHOUSE WITH NEW FRONTPORCH BUILT IN BENCH AND 18" RAISEDPLANTERSPROPOSED DECOMPOSED GRANITE ORGRAVEL GARDEN PATHPROPOSED LOMPOC STEPPING STONEPATHS PLANTED BETWEEN STONES - TOMATCH EXISTINGEXISTING DINING TERRACERED BRICK AND PV STONEPROPOSED 15" RAISED FIRE PIT WITHLOMPOC STONE VENEER TO MATCHEXISTING & GATHERING SPACE WITHCRUSHED OYSTER SHELL SURFACEPROPOSED BOCCE COURT 12'X70'CRUSHED OYSTER SHELL SURFACEPROPOSED 8' REFLECTING POOL WITHFOUNTAINPRPOSED POOL WITH SPA AND BAJA SHELF20' X 46' - 920 SQFT SPABAJA SHELFPROPOSED BBQKITCHENDININGPROPOSED STONEPOOL DECK & COPINGTURFPROPOSED LOMPOC STEPPING STONEPATHS PLANTED BETWEEN STONESEXISTING TURFREDUCEDEXISTING GAZEBOEXISTING MEMORIAL GARDENEXISTING VIEW TERRACE08-11-2021PROPOSED FORMAL VEGGIE GARDEN WITH18" WALLED RAISED BEDS WITH LOMPOCSTONE VENEER TO MATCH EXISTING,CENTRAL WATER FEATURE & 4 - 30" CITRUSPOTS - CRUSHED OYSTER SHELL SURFACEEXISTING FENCEDININGPROPOSED POTTING BENCHPROPOSED POOL EQUIPMENT ANDEXISTING AC UNITS 5' ENCLOSURE -EXPANDED WOOD FENCED ENCLOSURE TOMATCH EXISTING - SEE PHOTO #11 PG L-1.1EXISTING ROSES AND ARCH09-10-2021PROPOSEDEXTENDED PATIO TO MATCHPROPOSEDEXTENDED PATIOTO MATCHPROPOSED STONE STEPS DOWN TO PATHLINE OF EXISTING PATIOHARDSCAPE KEY__________________________________LOMPOC FLAGSTONE SURFACEMORTAREDLOMPOC STEPPING STONESPLANTED BETWEEN STONES09-16-2021RED BRICK HERRINGBONE PATTERNTO MATCH EXISTINGEXPANDED DINING TERRACEHERRING BONE BRICK PATTERN TO MATCH09-29-202110-01-2021TURFEXISTINGRESIDENCEEXISTING GARAGEPROPOSED 20" GARDEN WALL WITHLOMPOC STONE VENEER TO MATCHEXISTINGLOMPOC FLAGSTONE FOR POOL DECK, PATIO BORDER, STEPPING STONES &PATHWAYS - TO MATCH EXISTING PV STONE SURFACESLOMPOC STONE FOR ALL NEW WALLS, WALL CAPS, RAISED VEGGIE BEDS ANDSTEPS - VERTICAL SURFACES TO MATCH EXISTING PV COLUMNS ON HOUSECRUSHED OYSTER SHELL SURFACE FOR BOCCE COURT, GATHERING AREAAROUND FIRE PIT AND AROUND RAISED VEGGIE BEDSNEW GATES AND EXPANDED PICKET FENCE AROUND MAIN PATIO TO MATCHEXISTINGEXPANDED MAIN PATIO SURFACE TO MATCH EXISTINGRED BRICK IN HERRING BONE PATTERNREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017DG OR GRAVEL PATHS ON NORTH FACING SLOPE TOWARDS REAR OP PROPERTYL3.1A-CL3.1A-CL3.1A-CL3A-BL3A-BL-3A-CL3.2A-CSCOPE OF WORK
SCOPE OF WORKSCOPE OF WORKSCOPE
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K POOL EQUIPMENTEXPANDED / FENCED10-08-2021L3.2A-C10-11-2021L-1.1PH #11DG OR GRAVEL PATHS ON NORTHFACING SLOPE TOWARDSREAR OP PROPERTYEXISTING CHIMNEYSEXISTING CHIMNEYSEXISTING DRIVEWAY10-20-2021L3.2photos10-26-202110-27-2021PROPOSED BIO-INFILTRATION SWALEBASIN & PLANTINGL-3.3D-E11-01-2021EXISTING PATIOPROPOSEDPROPOSEDPROPOSEDEXISTINGEXISTINGEXISTINGPROPOSEDPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESL-3A-CCITYRE-SUBMITTAL12.03.2112-03-2021119
35'-
0
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"50'-0"1076
10'-
0
"
118'-8"
PRESERVEEXISTING TREE
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PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274EXISTING CONDITIONSL-21" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-07-2021EXISTING PLAYHOUSEEXISTING DINING TERRACEEXISTING PATIOTURFTURFTURFEXISTING TURFREDUCEDEXISTING GAZEBOEXISTING MEMORIAL GARDENEXISTING VIEW TERRACEEXISTING FENCEEXISTING AC UNITSEXISTING ROSES AND ARCHLINE OF EXISTING PATIOTURFTURFEXISTINGRESIDENCEEXISTING GARAGEPHOTO # 01BREEZWAYPHOTO # 02PHOTO # 03PHOTO # 04PHOTO # 05PHOTO # 06PHOTO # 07PHOTO # 08PHOTO # 09PHOTO # 10PHOTO # 11PHOTO # 12PHOTO # 13PHOTO # 14SIDE LAWNMAIN BRICK PATIOBACK LAWN AND DINING PAVILIONBACK LAWNRESIDENCE AND LAWNSTAIRS TO TERRACEPLAY HOUSEPLAY HOUSEEDGE OF BACK TURF AREABACK LAWNFENCED REAR PATIOREAR PATIO - FRENCH DOORSVIEW FROM MAIN LIVING SPACEREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017EXISTING HEDGEEXISTING HEDGEEXISTING TREESEXISTING TREESEXISTING TREESEXISTING TREESEXISTING TREESEXISTING TREESEXISTING TREESEXISTING TREESEXISTING TREESEXISTING TREESPHOTO # 15AC - FENCED ENCLOSUREFUTURE POOL ENCLOSURE#01#02#03#04#05#06#07#08#09#10#11#12#13#14#1510-11-2021EXISTING DRIVEWAY10-20-2021PHOTO # 16EXISTING RED BRICK TERRACEWITH PV GARDEN WALL#16#17PHOTO # 17PV COLUMNS & STEPPING STONESWITH RED BRICK GARDEN WALL#18PV & BRICK PATIOS @ GUEST HOUSEPHOTO # 1810-26-202111-01-2021SCOPE OF WORK / PROJECT AREA -APPROX 36,352 SQFTINCLUDES PROPOSED: NEW POOL &POOL DECK, EXPANDED EXISTINGPATIO,NEW VEGETABLE GARDEN, NEWBOCCE COURT, NEW FIRE PIT,NEW GARDEN PATHS, NEWOUTDOOR BBQ AREAAND 2 NEW WATER FEATURESCITYRE-SUBMITTAL12.03.2112-03-2021120
35'-
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TW 1069.9
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9L-3AL-3BL-3BL-3.1CL-3.1CL-3.1DL-3.1DFS
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"L-3.3EL-3.3EL-3AL-3.3DPRESERVE
EXISTING T
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PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274CONCEPTUALGRADING ANDDRAINAGE PLANL-2.21" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-08-2021POOL WITH SPA AND BAJA SHELF SPABAJA SHELFBBQKITCHENDININGEXISTING PATIOSTONE POOL DECK & COPINGTURFTURFTURFEXISTING TURFREDUCEDEXISTING GAZEBOEXISTING MEMORIAL GARDENEXISTING VIEW TERRACEEXISTING FENCEDININGEXTENEDED PATIO TO MATCHEXTENEDED PATIOTO MATCHTURFTURFEXISTING RESIDENCEEXISTING GARAGEREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017SCOPE OF WORK
SCOPE OF WORKSCOPE OF WORKSCOPE OF WORK107010661070107010711071107210721073107310-08-202110-12-2021107410751076106910681067106510641063CUT AREAS:248 CUBIC YARDSTOTAL DISTURBEDAREA3438 SQFTFILL AREAS:248 CUBIC YARDSTOTAL DISTURBED AREA: 4761 SQFTCUT & FILL TOTALDISTURBED8199 SQFT2.7 NET LOT AREA1058105710561058+1055.251057105610591060106110621063106410651057GRADING__________DRAINAGE______________ SHEET FLOWAREA DRAINDRAIN PIPE FLOWDIRECTIONNEW CONTOURCOBBLE LINEDBIOFILTRATION SWALEWITH BIORETENTIONBASINNOTE:ALL SLOPES SHALL NOT BE STEEPER IN SLOPE THAN TWOHORIZONTAL TO ONE VERTICAL, OR EXCEED A VERTICALHEIGHT OF THIRTY FEET (30') BELOW OR ABOVE THENATURAL GRADE. SHALLOWER SLOPES ARE STRONGLYENCOURAGED. ALL SLOPES SHALL BE MARKED WITHGRADE. (MUNICIPAL CODE TITLE 17). CUT AND FILLMUST BE BALANCED ON SITE.EXISTING DRIVEWAY10-20-202110-26-202111-01-2021PROPOSEDPROPOSEDPROPOSEDPROPOSEDEXISTINGEXISTINGPROPOSEDPROPOSEDPROPOSEDEXISTINGPROPOSEDPROPOSEDPROPOSEDPROPOSEDPROPOSEDCITYRE-SUBMITTAL12.03.2112-03-2021121
TW 1069.9FS 1069.7FS 1070FS 1070FS 1069.9TW 1069.9L-3BL-3BFS 1070.8FS 1068.2L-3.3EFS 1070PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274POOL DETAILS ANDENLARGEMENTSL-314" = 1'-0"GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-05-2021REGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-0171070.81070.01070.01069.91069.71069.71069.21068.71068.21063.02" LOMPOC FLAGSTONE COPINGPOOL WATER LINE TILE(TO BE SELECTED)SPA SEATING, ONE ROW TILE, HORIZONTALCONC. FILLING TO FORM BENCHSPA WALL AT WATER LEVELBAJA SHELFPOOL COVER VAULT WITHWATERLINE TILEREFLECTING POOL / WATER FEATURE WITHCENT5RAL FOUNTAIN ELEMENT10" HIGH LIMESTONE POOL SURROUNDLOMGSHADOW - PRODUCT #LS9275LOMPOC FLAGSTONEPATIO, PATH & POOL DECKTRENCH DRAINNATURAL BOULDER STEPSDG OR GRAVEL PATHEXISTING GRADEEXISTING GRADE2:1 SLOPE MAX >>2% SLOPE >>2% SLOPE >>8'-6"
18"18"
12"
3'-6"
16"10"RED BRICK BASKET WEAVE PATTERNTO MATCH EXISTINGRED BRICK BASKET WEAVE PATTERNEXISTING PATIO14" MINPOOL SPA36" DEEPBAJA SHELF12" DEEP10'-0"35'-0"1'-6"1'-0"46'-0"48'-0"9'-0"20'-0"
23'-0"
20'-0"
10'-0"10'-0"
12"18"6'-0"18"
STEP
STEP
3.5' DEEP8.5' DEEPPOOL WALLCOPING WITH 2" OVERHANGINSIDE POOL EDGEPOOL COVER VAULT2'-6"POOL WALLTRENCH DRAINEDGE OF HARDSCAPEEDGE OF HARDSCAPEEXISTING TURF AREAEXISTING TURF AREATURF AREAPLANTER AREAPLANTER AREAPLANTER AREAPLANTER AREAREFLECTING POOL / WATER FEATURE WITHCENTRAL FOUNTAIN ELEMENT10" HIGH LIMESTONE POOL SURROUNDLOMGSHADOW - PRODUCT #LS9275DG OR GRAVEL PATHNATURAL BOULDER STEPSSTEP A - SECTION - POOLSCALE: 1/4 = 1'- 0"CENTERLINECENTER WITH EXISTINGPATIO DOORSA - ENLARGEMENTSCALE: 1/4 = 1'- 0"B - SECTION - POOLSCALE: 1/4 = 1'- 0"18"18"
12"SPA WALL AT WATER LEVEL2" LOMPOC FLAGSTONE COPINGPOOL WATER LINE TILEOFFSET RUNNING BONDHORIZONTALSPA SEATING, ONE ROW TILE, HORIZONTALCONC. FILLING TO FORM BENCHBAJA SHELFLOMPOC FLAGSTONEPATIO, PATH & POOL DECK1070.0EXISTING GRADE4'-0"2'-9"1
2
"Drowning Prevention Safety Features - LA COUNTY CODEEffective January 1, 2018, Health and Safety Code Section 115922(LACBC 3109.4.4.2) requires new swimming pools or spas or remodeledswimming pools or spas at a private single-family home to be equippedwith at least 2 drowning prevention safety features.A.Removable mesh fencing that meets ASTM Standard F2286.B.A pool safety cover that meets ASTM Standard F1346.C.A pool alarm that, when placed in the pool, will sound upondetection of entrance into the water. The pool alarm shall meet ASTMStandard F2208.D.Other means of protection, if the degree of protection afforded isequivalent to the other devices specified above and has beenindependently verified by an approved testing laboratory as meetingstandards for the device established by ASTM or ASME.NOTE:AS PER COUNTY CODE ABOVE POOL WILL BE EQUIPPED WITH:1.A pool safety cover that meets ASTM Standard F1346.2.A pool alarm that, when placed in the pool, will sound upondetection of entrance into the water. The pool alarm shall meetASTM Standard F2208.20" GARDEN WALL WITH LOMPOC STONEVENEER TO MATCH EXISTING2" LOMPOC COPINGLOMPOC FLAGSTONEPATIO, PATH & POOL DECKLOMPOC FLAGSTONEPATIO, PATH & POOL DECK20" GARDEN WALL WITH LOMPOC STONEVENEER TO MATCH EXISTING1069.9 TW1'-8"9'-2"8'-0"46'-0"20'-0"9'-0"10'-0"19'-3"10-11-202110-12-202110-20-2021A - IMAGES - FOUNTAIN10-26-202110-27-2021PROPOSED GRADEPROPOSED GRADE11-01-2021PROPOSEDPROPOSEDPROPOSEDCITYRE-SUBMITTAL12.03.2112-03-2021122
L-3.1CL-3.1DL-3.1DFS 1071FS 1070FS 1072TW 1073.7TW 1072.5TW 1071.5BW 1071.75BW 1069.8BW 1073.0BW 1700.8FS 1070FS 1070FS 1071FS 1071TW 1071.5TW 1072.0TW 1072.51076 EXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASS
1'-6"10'-0"9'-9"8"12'-0"7'-0"1'-3"
1'-8"
2'-10"2'-6"1'-6"5'-4"9'-0"9'-0"2'-0"1'-4"
34"2'-6"PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274FIRE-PIT, VEGGIEGARDEN & BOCCECOURT DETAILS &ENLARGEMENTSL-3.114" = 1'-0"GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-05-2021REGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017EXISTING GRADEC - SECTION - FIRE-PT / BOCCE / VEGGIE GARDENSCALE: 1/2 = 1'- 0"B - ENLARGEMENT - FIRE-PIT / BOCCE / VEGGIE GARDENSCALE: 1/4 = 1'- 0"EXISTING GRADE1070.01071.5 TW1071.5 TW1070.5 TS1071.01070.5 TS1072.01073.25 TW1073.7 TW34" LIMESTONE FOUNTAIN SET IN SHALLOW ROUNDREFLECTING POOL(GRAPHIC REPRESENTATION ONLY - SEE IMAGES - B)7" HIGH LIMESTONE POOL SURROUNDLONGSHADOW - PRODUCT #LS924315" FIRE-PIT SURROUND WITH LOMPOCSTONE VENEER TO MATCH EXISTINGNATURAL GAS FLAME20" GARDEN WALLWITH LOMPOC STONE VENEERTO MATCH EXISTINGEXISTING GARDEN WALLWITH PV STONE VENEERFIRE-PIT GATHERING SPACEWITH CRUSHED OYSTER SHELL SURFACETO MATCH BOCCE COURT BOCCE COURT 12'X70'CRUSHED OYSTER SHELL SURFACECONCRETE STEPSWITH LOMPOC STONE VENEER12" GARDEN WALLWITH LOMPOC STONE VENEERTO MATCH EXISTING COLUMNS18" HIGH RAISED VEGGIE BEDSWITH LOMPOC STONE VENEERTO MATCH EXISTING28" ROUND CITRUS POT (TO BE SELECTED BY OWNER)4 TOTAL18" GARDEN WALLWITH LOMPOC STONE VENEERTO MATCH EXISTING COLUMNSCRUSHED OYSTER SHELL SURFACETO MATCH BOCCE COURTLIMESTONE FOUNTAIN (TO BE SELECTED BY OWNER)SET IN SHALLOW ROUND REFLECTING POOL7" HIGH LIMESTONE POOL SURROUNDLONGSHADOW - PRODUCT #LS924318" HIGH RAISED VEGGIE BEDSWITH LOMPOC STONE VENEERTO MATCH EXISTING28" ROUND CITRUS POT (TO BE SELECTED BY OWNER)4 TOTAL BOCCE COURT 12'X70'CRUSHED OYSTER SHELL SURFACECONCRETE STEPSWITH LOMPOC STONE VENEER12" GARDEN WALLWITH LOMPOC STONE VENEERTO MATCH EXISTING18" GARDEN WALLWITH LOMPOC STONE VENEERTO MATCH EXISTING15" FIRE-PIT SURROUND WITH LOMPOCSTONE VENEER TO MATCH EXISTING &NATURAL GAS FLAME20" GARDEN WALLWITH LOMPOC STONE VENEERTO MATCH EXISTINGLOMPOC STEPPING STONE PATHSPLANTED BETWEEN STONES - TO MATCHEXISTINGFIRE-PIT GATHERING SPACEWITH CRUSHED OYSTER SHELL SURFACETO MATCH BOCCE COURTEXISTING TURF AREALOMPOC FLAGSTONEPATHD - SECTION - VEGGIE GARDENSCALE: 1/2 = 1'- 0"34" LIMESTONE FOUNTAINSET IN SHALLOW ROUND REFLECTING POOLGRAPHIC REPRESENTATION ONLY - SEE IMAGES - B)7" HIGH LIMESTONE POOL SURROUNDLONGSHADOW - PRODUCT #LS924318" HIGH RAISED VEGGIE BEDSWITH LOMPOC STONE VENEERTO MATCH EXISTING COLUMNSCRUSHED OYSTER SHELL SURFACETO MATCH BOCCE COURTLOMPOC FLAGSTONEPATH23'-10"
2'-0"5'-4"2'-0"5'-4"2'-0"5'-4"
12"
12"8"70'-0"12'-0"
7'-0"
16"4'-0"4'-0"8"
12"27'-10"14'-7"
12"
4'-0"
5'-4"4'-0"1070.01070.01071.5 TW1071.5 TW1071.5 TWLOMPOC STEPPING STONESPLANTED IN BETWEENSTEPSTEPSTEPSTEPSTEPSTEP50'-0"EXISTING GRADE10-11-202110-12-20211072.510-20-2021B - IMAGES - FOUNTAIN10-26-2021PROPOSED GRADEEXISTINGPROPOSEDPROPOSEDPROPOSEDPROPOSEDPROPOSEDCITYRE-SUBMITTAL12.03.2112-03-2021123
12'-0"12'-0"3'-1"L-3AFS
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PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274BBQ AREA DETAILSAND ENLARGEMENTSL-3.214" = 1'-0"GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-05-2021REGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-01744'-11"91'-0"TURF AREAA - DETAIL - BBQ ISLAND & COUNTERSCALE: 1" = 1'- 0"C - ENLARGEMENT - BBQ AREA AND PATIOSCALE: 1/4 = 1'- 0"8'-0"6'-3"32'-0"3'-10"5'-0"2'-6"12'-0"2'-0"5'-0"7'-4"3'-5"4'-1"4'-6"26'-4"14'-0"11'-2"STEP
STEP
17'-11"12"12"6'-0"B - DETAIL - SINK ISLAND & COUNTERSCALE: 1" = 1'- 0"C - DETAIL - BBQSCALE: 1" = 1'- 0"EXISTING PATIOEXTENDED PATIO TO MATCH EXISTINGLINE OF EXISTING PATIOEXPANDED DINING TERRACEHERRING BONE BRICK PATTERN AND TOMATCH EXISTINGEXTENDED PATIO TO MATCH EXISTINGBBQKITCHENEXPANDED BBQ PATIOHERRING BONE BRICK PATTERN TO MATCHEXISTINGLINE OF EXISTING PATIOEXISTING ROOF-LINE/EVEEXISTING PATIOLINE OF EXISTING PATIOLOMPOC FLAGSTONE PATH & POOL DECKTO MATCH EXISTINGBBQ & SINK ISLANDS WITH LOMPOC STONEVENEER TO MATCH EXISTING COLUMNSNATURAL GAS 56" BUILT-IN BBQ GRILL\ALFRESCO ALXE-56BFG42" ACCESS/UTILITY DOORALFRESCONATURAL GAS WARMING DRAWERS (2)DCS WD130-SSOD (71142)GRANITE COUNTERTOP(COLOR TO BE SELECTED)18" STAINLESS STEEL SINKAND FAUCETGFI OUTLET FOR ALL APPLIANCESGFI OUTLETS FORALL APPLIANCES24" ACCESS/UTILITY DOORALFRESCO18" DROP IN ICE BIN COOLERLYNK SEDONA - LDC1824" BUILT-IN MINI FRIDGEU-LINE - UORE124-SS31ASEWER CONNECTED DRAINSFOR ALL APPLIANCESEXISTING PICKET FENCENEW GATE TO MATCH EXISTINGNEW GATE TO MATCH EXISTINGNEW GATE TO MATCH EXISTINGNEW PICKET FENCE TO MATCH EXISTINGNEW PICKET FENCE TOMATCH EXISTINGNEW GATE TO MATCH EXISTING1071.810-11-202115" PAPER TOWEL HOLDERALFRESCO - AXE-TH20" DUAL TRASH RECYCLING BINALFRESCO - AXE-TC2D-SC4-TIER STORAGE DRAWERSALFRESCO ALXE-3DR-SCNATURAL GAS 56" BUILT-IN BBQ GRILL\ALFRESCO ALXE-56BFG10-21-2021EXISTING BRICK & LOMPOCM (pv stone) CONNECTIONSTHROUGHOUT PROPERTYEXISTING DINING TERRACERED BRICK AND PV STONEEXISTING DINING TERRACERED BRICK AND PV STONEPATH T0 EXISTING DININGTERRACE RED BRICKEXISTING BRICK GARDEN WALLWITH PV COLUMNS ANDSTEPPING STONESEXISTING PV PATIO AND REDBRICK PATIOS @ GUEST HOUSE10-26-2021C - IMAGES - PV STONE & BRICKCITYRE-SUBMITTAL12.03.2112-03-2021124
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2 L-3.3EL-3.3EL-3AL-3.3DPROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274COBBLE LINEDBIO-INFILTRATIONBASIN & SWALEL-3.314" = 1'-0"GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024710-29-2021REGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017SCALE: 1/2 = 1'- 0"E - COBBLE LINED BIO-INFILTRATION BASINSCALE: 1/2 = 1'- 0"BOULDERS2.75' DEEP COBBLE LINEDBIO-INFILTRATION BASIN APPROX3500 GALLON CAPACITY1070.010581071.5 TWLOWER DG PATHEXISTING GRADE105610571058105810571056+1055.251057D - BI0-INFILTRATION BASIN & SWALEDRAIN PIPE FROMUPPER PATIO FLOWDIRECTION1059106010611062106310641065SCALE: 1/4 = 1'- 0"SHEET FLOW TO SWALESHEET FLOW TO SWALE4" MIN. SAND AND GRAVEL FOR CLAY SOILSLESS THAN 4" FOR WELL DRAINED SOILSSURFACE RUNOFF FROM ADJACENTLANDSCAPE AND HARDSCAPE AREASROCK AND BOULDERS - SEESIZE LEGEND ABOVENATIVE SOILFINISH GRADE / MULCH1' MAX.WEED BARRIER FABRIC, ORGANIC,NON-WOVEN GEOTEXTILE FABRICPER MANUFACTURERSSPECIFICATIONSVARIES - SEE PLANCOBBLE LINED VEGITATED BIO-INFILTRATION SWALESCALE: NTS61234523456511058BIO-INFILTRATION PLANTINGS1055.251054UPPER DG PATH10661069.71069.91068.2UPPER LAWNGARDEN WALLDSHEET FLOW TO BASIN& SWALEEXISTING GRADEPROPOSED GRADE2:1
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118'-8"L-3.3EL-3.3EL-3AL-3.3DPRESERVEEXISTING TREES
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PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274CONCEPTUALLANDSCAPE AREASLP-11" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024707-13-2021EXISTING PLAYHOUSE WITH NEW FRONTPORCH BUILT IN BENCH AND 18" RAISEDPLANTERSDECOMPOSED GRANITE OR GRAVELGARDEN PATHLOMPOC STEPPING STONE PATHSPLANTED BETWEEN STONES - TO MATCHEXISTINGEXISTING DINING TERRACERED BRICK & PV STONE15" RAISED FIRE PIT WITH LOMPOC STONEVENEER TO MATCH EXISTING & GATHERINGSPACE WITH CRUSHED OYSTER SHELLSURFACE BOCCE COURT 12'X70'CRUSHED OYSTER SHELL SURFACE8' REFLECTING POOL WITH FOUNTAINPOOL WITH SPA AND BAJA SHELF SPABAJA SHELFBBQKITCHENDININGEXISTING PATIOSTONE POOL DECK & COPINGLOMPOC STEPPING STONE PATHSPLANTED BETWEEN STONESEXISTING TURFREDUCEDEXISTING GAZEBOEXISTING MEMORIAL GARDENEXISTING VIEW TERRACE08-11-2021FORMAL VEGGIE GARDEN WITH 18"WALLED RAISED BEDS WITH LOMPOCSTONE VENEER TO MATCH EXISTING,CENTRAL WATER FEATURE & 4 - 30" CITRUSPOTS - CRUSHED OYSTER SHELL SURFACEEXISTING FENCEDININGPOOL EQUIPMENT AND EXISTING AC UNITSENCLOSURE - EXPANDEDWOOD FENCED ENCLOSURE TO MATCHEXISTING - SEE PHOTO #11EXISTING ROSES AND ARCH09-10-2021EXTENEDED PATIO TO MATCHEXTENEDED PATIOTO MATCHSTONE STEPS DOWN TO PATHLINE OF EXISTING PATIOHARDSCAPE KEY__________________________________LOMPOC FLAGSTONE SURFACEMORTAREDLOMPOC STEPPING STONESPLANTED BETWEEN STONES09-16-2021RED BRICK HERRINGBONE PATTERNTO MATCH EXISTINGEXPANDED DINING TERRACEHERRING BONE BRICK PATTERN ANDLOMPOC BORDER TO MATCH OTHEREXISTING ELEMENTS ON PROPERTY09-29-202110-01-2021L-2AL-2AL-2BL-2BEXISTING RESIDENCEEXISTING GARAGE20" GARDEN WALL WITH LOMPOC STONEVENEER TO MATCH EXISTINGL-3CL-3CL-3DTURFL-3DREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017L3.1A-CL3.1A-CL3.1A-CL3A-BL3A-BL-3A-CL3.2A-CSCOPE OF WORK
SCOPE OF WORKSCOPE OF WORKSCOPE
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K POOL EQUIPMENTEXPANDED / FENCED10-08-2021L3.2A-C10-11-2021L1.1PH #11EXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASSPLANTERAREAPLANTERAREAPLANTERAREAPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPLANTING PLAN NOTE:·ALL LANDSCAPING WITHIN THE CITYRIGHT-OF-WAY SHALL BEMAINTAINED TO NOT EXCEED 30INCHES IN HEIGHT.·THE LANDSCAPE AREA, EXCEPT THOSEPORTIONS OF THE LANDSCAPE AREAPLANTED IN TURF, SHALL BECOVERED WITH MULCH MATERIALTO AN AVERAGE THICKNESS OF ATLEAST 3" THROUGHOUT. IN AREASWITH GROUNDCOVERS PLANTEDFROM FLATS, MULCH SHALL BEINSTALLED TO AN AVERAGETHICKNESS OF 1.5". ADDITIONALMULCH MATERIAL SHALL BE ADDEDFROM TIME TO TIME AS NECESSARY INORDER TO MAINTAIN THE REQUIREDDEPTH OF MULCH.ROOT BARRIERS REQUIREDFOR STREET TREES AND ALLTREES LOCATED WITHIN5-FEET OF HARDSCAPE.ADDITIONAL NOTES:PROVIDE A 3-INCH LAYEROF MULCH IN ALLPLANTING AREASLANDSCAPE ANDIRRIGATION SHALL MEETALL MWELO ORDINANCEREQUIREMENTS / CRITERIAEXISTING DRIVEWAY10-20-202110-26-2021L3.2photosL3.2photosBIO-INFILTRATION PLANTINGL-3.3D-EPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPOTTING BENCHEXISTINGTURF AREAREPLACEWITH LOWWATER CALIFNATIVEGRASSEXISTINGTURF AREAREPLACEWITH LOWWATER CALIFNATIVEGRASSPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSED PLANTERAREATO REDUCE EXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFEXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASSCITYRE-SUBMITTAL01.12.2212-03-2021DELTA BLUE GRASS COMP - CA NATIVE MOW FREE MIX- 9672 SQFT - LOW/MED WATER USE01-04-2022COMMON YARROWTHYMEDYMONIA01-12-2022EXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASSLOW WATERUSE GROUNDCOVERAREACHILDREN'S EDIBLE GARDENMOWED4858 SQ FTNOTMOWED4814 SQFTSUSTAINABLE CALIFORNIA MEADOW MIX - 2421 SQFT - LOWSUSTAINABLE CALIFORNIA FRIENDLY PLANTINGS - 9885 SQFT - LOWGROUND COVER AREAS - 2067 SQFT - LOWCOMMON YARROW BLUE GRAMA GRASSDOUGLAS IRISNODDING NEEDLE GRASSCALIF POPPYPURPLE NEEDLE GRASSGIKIACOAST RANGE MELICBLUE EYED GRASS MINIATURE LUPINFOOTHILL PENSTEMON MOUNTAIN GARLANDWESTERN COLUMBINE BABY BLUE EYESCALIFORNIA POPPY OWLS CLOVERCALIFORNIA ASTERCLARKIALAVENDER (MULTI VAR) LEMONADE BERRYCEANOTHUSROSEMARYMONKEY FLOWER CANYON PRINCE GRASSDEER GRASSBUCKWHEATWESTRINGIABUSH LUPINBACCHARISTAGETESARTEMISIAELDERBERRYSALVIA (MULTI VAR) GOOSEBERRYMATILIJA POPPY BUSH SUNFLOWEREDIBLE GARDENS - 894 SQFTLOW WATERUSE GROUNDCOVERAREA126
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PROJECT TITLESHEET TITLECHECKED:DRAWN BY:DATE:REVISIONSPROJECT NO.SHEET N0.XREF FILE:SCALE:E-mail: deb@richie-bray.com(310) 377-5868Richie-Bray, Inc.LANDSCAPE ARCHITECTURE904 Silver Spur Road #395Rolling Hills Estates, CA 90274HYDROZONE PLANLP-21" = 10'GRZYWACZRESIDENCE4 STORM HILL LANEROLLING HILLS, CA9024701-04-2022POOL WITH SPA AND BAJA SHELF SPABAJA SHELFBBQKITCHENDININGEXISTING PATIOSTONE POOL DECK & COPINGEXISTING TURFREDUCEDEXISTING GAZEBOEXISTING MEMORIAL GARDENEXISTING VIEW TERRACEEXISTING FENCEDININGEXTENEDED PATIO TO MATCHEXTENEDED PATIOTO MATCHLINE OF EXISTING PATIOHARDSCAPE KEY__________________________________LOMPOC FLAGSTONE SURFACEMORTAREDLOMPOC STEPPING STONESPLANTED BETWEEN STONESRED BRICK HERRINGBONE PATTERNTO MATCH EXISTINGEXPANDED DINING TERRACEHERRING BONE BRICK PATTERN ANDLOMPOC BORDER TO MATCH OTHEREXISTING ELEMENTS ON PROPERTYL-2AL-2AL-2BL-2BEXISTING RESIDENCEEXISTING GARAGEL-3CL-3CL-3DTURFL-3DREGION: 14 / CLUSTER: 14177LOT 4 / P.M. 332-30-40APN 7570-024-017L3.2A-CSCOPE OF WORK
SCOPE OF WORKSCOPE OF WORKSCOPE
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K POOL EQUIPMENTEXPANDED / FENCEDL3.2A-CEXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASSPLANTERAREAPLANTERAREAPLANTERAREAPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPLANTING PLAN NOTE:·ALL LANDSCAPING WITHIN THE CITYRIGHT-OF-WAY SHALL BEMAINTAINED TO NOT EXCEED 30INCHES IN HEIGHT.·THE LANDSCAPE AREA, EXCEPT THOSEPORTIONS OF THE LANDSCAPE AREAPLANTED IN TURF, SHALL BECOVERED WITH MULCH MATERIALTO AN AVERAGE THICKNESS OF ATLEAST 3" THROUGHOUT. IN AREASWITH GROUNDCOVERS PLANTEDFROM FLATS, MULCH SHALL BEINSTALLED TO AN AVERAGETHICKNESS OF 1.5". ADDITIONALMULCH MATERIAL SHALL BE ADDEDFROM TIME TO TIME AS NECESSARY INORDER TO MAINTAIN THE REQUIREDDEPTH OF MULCH.ROOT BARRIERS REQUIREDFOR STREET TREES AND ALLTREES LOCATED WITHIN5-FEET OF HARDSCAPE.ADDITIONAL NOTES:PROVIDE A 3-INCH LAYEROF MULCH IN ALLPLANTING AREASLANDSCAPE ANDIRRIGATION SHALL MEETALL MWELO ORDINANCEREQUIREMENTS / CRITERIAEXISTING DRIVEWAYL3.2photosPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPRESERVEEXISTING TREESPOTTING BENCHEXISTINGTURF AREAREPLACEWITH LOWWATER CALIFNATIVEGRASSEXISTINGTURF AREAREPLACEWITH LOWWATER CALIFNATIVEGRASSPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSED PLANTERAREATO REDUCE EXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDPLANTERAREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFPROPOSEDMEADOW AREATO REDUCEEXISTINGTURFEXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASSCITYRE-SUBMITTAL01.12.22SUSTAINABLE CALIFORNIA MEADOW MIX - 2421 SQFT - LOWSUSTAINABLE CALIFORNIA FRIENDLY PLANTINGS - 9885 SQFT - LOWDELTA BLUE GRASS COMP - CA NATIVE MOW FREE MIX- 9672 SQFT - LOW/MEDCOMMON YARROW BLUE GRAMA GRASSDOUGLAS IRISNODDING NEEDLE GRASSCALIF POPPYPURPLE NEEDLE GRASSGIKIACOAST RANGE MELICBLUE EYED GRASS MINIATURE LUPINFOOTHILL PENSTEMON MOUNTAIN GARLANDWESTERN COLUMBINE BABY BLUE EYESCALIFORNIA POPPY OWLS CLOVERCALIFORNIA ASTERCLARKIALAVENDER (MULTI VAR) LEMONADE BERRYCEANOTHUSROSEMARYMONKEY FLOWER CANYON PRINCE GRASSDEER GRASSBUCKWHEATWESTRINGIABUSH LUPINBACCHARISTAGETESARTEMISIAELDERBERRYSALVIA (MULTI VAR) GOOSEBERRYMATILIJA POPPY BUSH SUNFLOWERMOWED4858 SQ FTNOTMOWED4814 SQFTGROUND COVER AREAS - 2067 SQFT - LOWCOMMON YARROWTHYMEDYMONIAEDIBLE GARDENS - 894 SQFTEXISTING TURF AREAREPLACE WITH LOW WATERCALIF NATIVE GRASSEXISTINGTURF AREAREPLACEWITH LOWWATER CALIFNATIVEGRASSEXISTINGTURF AREAREPLACEWITH LOWWATER CALIFNATIVEGRASSLOW WATERUSE GROUNDCOVERAREALOW WATERUSE GROUNDCOVERAREA01-12-2022127
City of Rolling Hills 2 PORTUGUESE BEND ROAD ROLLING HILLS, CA 90274
TITLE VICINITY MAP CASE NO. Zoning Case No. 21-13
Site Plan Review
OWNER Grzywacz
ADDRESS
4 Storm Hill Lane, Rolling Hills 90274
SITE
1,000’
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Resolution 2022-01
4 Storm Hill Lane
RESOLUTION NO. 2022-01
A RESOLUTION OF THE PLANNING COMMISSION OF THE CITY
OF ROLLING HILLS GRANTING A SITE PLAN REVIEW FOR THE
CONSTRUCTION OF A NEW 920-SQUARE-FOOT SWIMMING
POOL/SPA AND 496 CUBIC YARDS OF GRADING LOCATED AT 4
STORM HILL LANE (LOT 169-A-MS), ROLLING HILLS, CA
(GRZYWACZ)
THE PLANNING COMMISSION OF THE CITY OF ROLLING HILLS DOES
HEREBY FIND, RESOLVE AND ORDER AS FOLLOWS:
Section 1. Property Owner, Claudia Grzywacz, (“Applicant”) for the real
property located at 4 Storm Hill Lane, Rolling Hills, CA is requesting a Site Plan Review
for the construction of a new 920-square-foot swimming pool and spa; and 496 cubic
yards of grading located on the main building pad (the “Project”). Also included in the
Project, but not subject to discretionary review, is a request for a pool deck, pool
equipment, barbecue and kitchen area, patio extension, water feature, trellis, garden,
garden walls with a maximum height of three feet, and landscaping. The Project will be
located adjacent to the residence and outside of all required setbacks.
Section 2. The Planning Commission conducted duly noticed public hearings
to consider the application at an onsite meeting on January 18, 2022, at 7:34 AM and at
their regular meeting on January 18, 2022, at 6:30 PM. Neighbors within a 1,000-foot
radius were notified of the public hearings and a notice was published in the Daily
Breeze on January 7, 2022. The Applicant and her agent were notified of the public
hearings in writing by first class mail and the Applicant and her agent were in
attendance at the hearings.
Section 3. The property is zoned RAS-2 with a net lot area of 298,606 square
feet (6.86 acres), which exceeds the requirements of the RAS-2 zone that requires a
minimum net lot area of 87,120 square feet. The lot is developed with a 5,453-square-
foot single family residence and a 950-square-foot garage. There are five existing
building pads on site with approximately 40 feet difference in elevation. The existing
residence, garage, and Project area are located on the highest and largest pad (45,702
square feet) in the middle of the property; the secondary pad (16,311 square feet) is
located behind the main pad and contains a tennis court and guesthouse; the third pad
(18,228 square feet) is in the southern portion of the property and contains an arena
and corral; the fourth pad (3,869 square feet) is located south of the main pad and
includes a corral; the fifth pad (8,065 square feet) in the front of the property is
developed with a corral and stable.
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Section 4. The Project is exempt from the California Environmental Quality
Act (CEQA) Guidelines pursuant to Section 15303, Class 3 (New Construction or
Conversion of Small Structures), which exempts the construction and location of a
limited numbers of new, small facilities or structures, including accessory structures,
such as swimming pools, because it involves the construction of a 920-square-foot
swimming pool. The Project is also exempt from CEQA Guidelines pursuant to Section
15301, Class 1 (Existing Facilities), which exempts the minor alteration of topographical
features involving negligible or no expansion of use beyond that existing, because the
Project involves minimal grading totaling 496 cubic yards (248 cubic yards cut and 248
cubic yards of fill) that will be balanced on site and will not affect the natural
topography of the site.
Section 5. Section 17.16.020.A of the Rolling Hills Municipal Code requires
Site Plan Review approval for a swimming pool/spa that is eight hundred square feet
or greater, and for projects that require grading. The Applicant proposes the
construction of a 920-square-foot swimming pool/spa and 496 cubic yards of grading.
The Project also includes a pool deck, pool equipment, barbecue and kitchen area,
patio extension, water feature, trellis, garden, garden walls with a maximum height of
three feet, and landscaping, which are not subject to discretionary approval. With
respect to the aforementioned request for a Discretionary Approval for a Site Plan
Review, the Planning Commission finds as follows:
A. The proposed Project complies with and is consistent with the goals and
policies of the general plan and all requirements of the zoning ordinance. The
proposed pool/spa and other improvements will be constructed on the existing main
building pad in the northern portion of the subject property. While disturbance is
generally limited to forty percent of the net lot area, the disturbed area may be a
maximum of fifty percent of the net lot area in order to encourage a gradual transition
in grade and undulated and natural-appearing terrain between building pads and the
surrounding slope, provided that no more than fifty percent of the slopes resulting
from grading are greater (steeper) than 3:1, or three units horizontal (run to one unit
vertical (rise). The Project creates areas of 2:1 slope adjacent to the new garden area
and north of the new spa, but these areas are less than fifty percent of the slopes
resulting from grading. The Project adds 1% of newly disturbed area to the 41%
already disturbed, which will not exceed the maximum permitted amount of 50%
since no more than 50% of the slopes resulting from the grading are greater (steeper)
than 3:1, and development will be located outside of required setbacks. The granting
of a Site Plan Review for the new pool/spa is consistent with the purposes and
objectives of the General Plan because the proposed Project is consistent with similar
amenities in the community, meets all the applicable code development standards and
is located in an area on the property that is adequately sized to accommodate the
proposed project. Additionally, the proposed 496 cubic yards of grading will be
balanced on site and no export of dirt is required.
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B. The Project substantially preserves the natural and undeveloped state of
the lot by minimizing building coverage. The Project substantially preserves the
natural and undeveloped state of the lot by balancing grading on site. The topography
and the configuration of the irregular-shaped lot have been considered, and it was
determined that the proposed Project will not adversely affect or be materially
detrimental to adjacent uses, buildings, or structures. The proposed pool/spa will be
located in the northern portion of the property on an existing building pad currently
used for backyard activities. The pool equipment will be located behind the garage
and be screened by a wooden fence. The Project will not impact the view or privacy of
surrounding neighbors. The Project requires 496 cubic yards of grading, which will be
balanced on site.
C. The Project is harmonious in scale and mass with the site, the natural
terrain and surrounding residences. The Project is harmonious in scale and mass with
the site and preserves the natural terrain. It poses no adverse impacts to the
surrounding residences. The proposed Project will be orderly, attractive, and will not
affect the rural character of the community. The proposed pool/spa and other
improvements are located in the northern portion of the property, and the proposed
pool equipment area will be located behind the garage and screened by a wooden
fence. No impacts to views from the surrounding residences will occur.
D. The Project preserves and integrates into the site design, to the greatest
extent possible, existing topographic features of the site, including surrounding native
vegetation, mature trees, drainage courses and land forms (such as hillsides and
knolls). The proposed pool will be built on an existing pad. The net lot is 6.86 acres
and is sufficient to accommodate the proposed use. There will be no significant
changes to the site design, as the residential uses will remain and the pool/spa and
deck will be constructed in an already disturbed area. The existing topography or
topographic features will not be affected and the trees, vegetation, plants, flowers, and
natural landscaping will remain. New landscaping will be planted to match or
complement existing landscape features. There will be no change to the drainage
course.
E. Grading has been designed to follow natural contours of the site and to
minimize the amount of grading required to create the building area. Grading will not
affect the natural topography of the site. The proposed Project will be built on an
existing pad. The Project proposes minimal grading totaling 496 cubic yards. Overall
grading will include 248 cubic yards cut and 248 cubic yards of fill, which will be
balanced on site. Excavated dirt from the pool will be used to flatten adjacent areas.
No dirt will be exported.
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F. Grading will not modify existing drainage channels nor redirect
drainage flow. No drainage channels will be affected by the proposed grading. The
proposed grading is already located in a disturbed area currently used as a backyard
for the house.
G. The Project preserves surrounding native vegetation and mature trees
and supplements these elements with drought-tolerant landscaping which is
compatible with and enhances the rural character of the community and landscaping
provides a buffer or transition area between private and public areas. Disturbed areas
will be re-landscaped to match or complement existing landscape features.
H. The Project is sensitive and not detrimental to the convenient and safe
movement of pedestrians and vehicles. The proposed pool/spa and deck are located
in the northern portion of the property and in the center of the back yard on the main
building pad. The pool equipment will be located behind the existing garage. The
Project is not located near any roads, driveways, garages, or any vehicular areas.
There are safe walkways surrounding the proposed location of the pool/spa and
deck. The existing vehicular road accesses are not near the Project site.
I. The Project conforms to the requirements of the California
Environmental Quality Act. The Project is exempt from the CEQA Guidelines
pursuant to Section 15303, Class 3 (New Construction or Conversion of Small
Structures), which exempts the construction and location of a limited numbers of new,
small facilities or structures, including accessory structures, such as swimming pools,
because it involves the construction of a 920 square foot swimming pool. The Project is
also exempt from CEQA Guidelines pursuant to Section 15301, Class 1 (Existing
Facilities), which exempts the minor alteration of topographical features involving
negligible or no expansion of use beyond that existing, because the Project involves
minimal grading totaling 496 cubic yards (248 cubic yards cut and 248 cubic yards of
fill) that will be balanced on site and will not affect the natural topography of the site
Section 6. Based upon the foregoing findings, the Planning Commission
hereby approves the Site Plan Review in Zoning Case No. 21-13 for the construction of
a new 920-square-foot swimming pool and spa, and grading subject to the following
conditions:
A. The Site Plan Review Permit approval shall expire within two years
from the effective date of approval if construction pursuant to this approval has not
commenced within that time period, as required by Section 17.46.080 of the Rolling
Hills Municipal Code, or the approval granted is otherwise extended pursuant to the
requirements of those sections.
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B. If any condition of this resolution is violated, the entitlement granted by
this resolution shall be suspended and the privileges granted hereunder shall lapse
and upon receipt of written notice from the City, all construction work being
performed on the subject property shall immediately cease, other than work
determined by the City Manager or his/her designee required to cure the violation.
The suspension and stop work order will be lifted once the Applicant cures the
violation to the satisfaction of the City Manager or his/her designee. In the event that
the Applicant disputes the City Manager or his/her designee’s determination that a
violation exists or disputes how the violation must be cured, the Applicant may
request a hearing before the City Council. The hearing shall be scheduled at the next
regular meeting of the City Council for which the agenda has not yet been posted, the
Applicant shall be provided written notice of the hearing. The stop work order shall
remain in effect during the pendency of the hearing. The City Council shall make a
determination as to whether a violation of this Resolution has occurred. If the Council
determines that a violation has not occurred or has been cured by the time of the
hearing, the Council will lift the suspension and the stop work order. If the Council
determines that a violation has occurred and has not yet been cured, the Council shall
provide the Applicant with a deadline to cure the violation; no construction work
shall be performed on the property until and unless the violation is cured by the
deadline, other than work designated by the Council to accomplish the cure. If the
violation is not cured by the deadline, the Council may either extend the deadline at
the Applicant’s request or schedule a hearing for the revocation of the entitlements
granted by this Resolution pursuant to Chapter 17.58 of the Rolling Hills Municipal
Code (RHMC).
C. The Project shall comply with all requirements of the Municipal Code,
including the Building and Construction Ordinance and the Zoning Ordinance.
The lot shall be developed and maintained in substantial conformance with the
site plan on file dated January 13, 2022, except as otherwise provided in these
conditions. The working drawings submitted to the Department of Building and
Safety for plan check review must conform to the development plan approved with
this application. A copy of the conditions of this Resolution shall be printed on plans
approved when a building permit is issued and a copy of such approved plans,
including conditions of approval, shall be available on the building site at all times.
The licensed professional preparing construction plans for this Project for
Building Department review shall execute a Certificate affirming that the plans
conform in all respects to this Resolution approving this Project and including
conformance with all of the conditions set forth therein and the City’s Building Code
and Zoning Ordinance.
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Further, the person obtaining a building permit for this Project shall execute a
Certificate of Construction stating that the Project will be constructed according to this
Resolution and any plans approved therewith.
D. The total overall lot coverage of the net lot area shall not exceed 45,137
square feet or 15.1%.
E. The total structural coverage of the net lot shall not exceed 18,481 square
feet or 6.2%.
F. The disturbed area of the lot shall not exceed 125,843 square feet or 42%
(of net lot area).
G. At any time there are horses on the property, Best
Management Practices (BMPs) shall be applied for manure control, including but not
be limited to removal of the manure on a daily basis or provision of a receptacle with a
tight closing lid that is constructed of brick, stone, concrete, metal or wood lined with
metal or other sound material and that is safeguarded against access by flies. The
contents of said receptacles shall be removed once a week. It is prohibited to dispose of
manure or any animal waste into the Municipal Separate Storm Sewer
System (MS4) or into natural drainage course.
H. A minimum of five-foot level path and/or walkway, which does not
have to be paved, shall be provided around the entire perimeter of the pool and
decking.
I. During the construction, the site shall be maintained in a safe manner so
as not to threaten the health, safety, or general welfare of the public.
J. Per LA County Building Code, a pool barrier and/or fencing shall be
required for the pool.
K. A drainage plan, as required by the Building Department shall be
prepared and approved by City Staff prior to issuance of a construction permit. Such
plan shall be subject to LA County Code requirements.
L. The pool equipment shall utilize the most quiet and technologically
advanced equipment to dampen the sound. The pool equipment area shall be screened
by a fence that is incorporated into the building design.
M. During construction, conformance with the air quality management
district requirements, stormwater pollution prevention practices, county and local
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ordinances and engineering practices so that people or property are not exposed to
undue vehicle trips, noise, dust, and objectionable odors shall be required.
N. During construction, all parking shall take place on the Project site and, if
necessary, any overflow parking shall take place within the unimproved roadway
easements located on the north side adjacent to Project site only, and shall not obstruct
neighboring driveways. During construction, to the maximum extent feasible,
employees of the contractor shall car-pool into the City.
O. During construction, the property owners shall be required to schedule
and regulate construction and related traffic noise throughout the day between the
hours of 7 AM and 6 PM, Monday through Saturday only, when construction and
mechanical equipment noise is permitted, so as not to interfere with the quiet
residential environment of the City of Rolling Hills.
P. The property owners shall be required to conform to the Regional Water
Quality Control Board and County Public Works Department Best Management
Practices (BMP’s) requirements related to solid waste, drainage and storm water
management and comply with the City’s Low Impact development Ordinance (LID), if
applicable.
Q. A minimum of 65% of the construction material spoils shall be recycled
and diverted. The hauler shall provide the appropriate documentation to the City.
R. All graded areas shall be landscaped. In addition, the swimming pool,
spa, and pool equipment area shall be screened from the neighbors and a landscaping
plan shall be submitted to the City for review and approval. If landscaping of 500
square foot area or greater is introduced or redeveloped, the landscaping shall be
subject to the requirements of the City’s Water Efficient Landscape Ordinance. Any
plants introduced for this Project shall not grow into a hedge but be offset and shall not
exceed the ridgeline of the house. The landscape plan shall address the issues provided
by the City’s landscape consultant in the letter dated January 7, 2022, which is on file at
City Hall. The issues include compliance with the Model Water Efficient Landscape
Ordinance (MWELO), providing an irrigation plan, and using a plant palette
comprised of various hydroseed zones. The landscape plan shall be found in
compliance prior to issuance of a building permit.
S. The Project must be reviewed by the Rolling Hills Community
Association (RHCA) Architectural Review Committee.
T. The contractor shall not use tools that could produce a spark, including
for clearing and grubbing, during red flag warning conditions. Weather conditions can
be found at:
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http://www.wrh.noaa.gov/lox/main.php?suite=safety&page=hazard_definitions#FIR
E. It is the sole responsibility of the property owner and/or his/her contractor to
monitor the red flag warning conditions. Should a red flag warning be declared and if
work is to be conducted on the property, the contractor shall have readily available fire
distinguisher.
U. Prior to finaling of the Project an “as graded” and an “as constructed”
plans and certifications shall be provided to the Planning Department and the Building
Department to ascertain that the completed Project is in compliance with the approved
plans. In addition, any modifications made to the Project during construction, shall be
depicted on the “as built/as graded” plan.
V. Until the Applicant executes an Affidavit of Acceptance of all conditions
of this approval, the approvals shall not be effective. Such affidavit shall be recorded
together with the resolution.
PASSED, APPROVED AND ADOPTED THIS 18th DAY OF JANUARY, 2022.
_______________________________
BRAD CHELF, CHAIRMAN
ATTEST:
____________________________
CHRISTIAN HORVATH
CITY CLERK
Any action challenging the final decision of the City made as a result of the public
hearing on this application must be filed within the time limits set forth in section
17.54.070 of the Rolling Hills Municipal Code and Code of Civil Procedure Section
1094.6.
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STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) §§
CITY OF ROLLING HILLS )
I certify that the foregoing Resolution No. 2022-01 entitled:
A RESOLUTION OF THE PLANNING COMMISSION OF THE CITY OF
ROLLING HILLS GRANTING A SITE PLAN REVIEW FOR THE
CONSTRUCTION OF A NEW 920-SQUARE-FOOT SWIMMING POOL/SPA
AND 496 CUBIC YARDS OF GRADING LOCATED AT 4 STORM HILL LANE
(LOT 169-A-MS), ROLLING HILLS, CA (GRZYWACZ).
was approved and adopted at a regular meeting of the Planning Commission on
January 18, 2022, by the following roll call vote:
AYES:
NOES:
ABSENT:
ABSTAIN:
and in compliance with the laws of California was posted at the following:
City Hall Administrative Office.
_______________________________________________
CHRISTIAN HORVATH
CITY CLERK
137
Agenda Item No.: 10.A
Mtg. Date: 01/18/2022
TO:HONORABLE CHAIR AND MEMBERS OF THE PLANNING
COMMISSION
FROM:JOHN SIGNO, DIRECTOR OF PLANNING & COMMUNITY SERVICES
THRU:ELAINE JENG P.E., CITY MANAGER
SUBJECT:INITIAL STUDY AND NEGATIVE DECLARATION FOR THE HOUSING
AND SAFETY ELEMENTS.
DATE:January 18, 2022
BACKGROUND:
An Initial Study/Negative Declaration (IS/ND) for the 2021-2029 Housing Element Update and Safety
Element Update has been prepared in accordance with the California Environmental Quality Act
(CEQA) Guidelines. A Notice of Intent (NOI) has been published in the Daily Breeze and City
newsletter to inform the public.
DISCUSSION:
The IS/ND is required under the CEQA Guidelines to be adopted as part of the updates to the Housing
Element and Safety Element. At this time, Commissioners should review the IS/ND as it will be
brought back at a later time once the Elements are ready for adoption.
FISCAL IMPACT:
The City was awarded a Local Early Action Planning (LEAP) grant in the amount of $65,000 to prepare
the Housing Element and related environmental documentation. LEAP will partially fund the
preparation of the Negative Declaration with remaining costs paid through the General Fund.
RECOMMENDATION:
Receive and file.
ATTACHMENTS:
138