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724, Lot line adjustment between 5 , CorrespondenceHUG-11-2004 09:54 Dale Hinkle, T.E. Inc. P.02 IRGE # 402 II RCE# 23023 15510 Rockfield Blvd., Suite 13 Irvine, California 92618 (949) 458-0498 Fax (949) 458-1918 E-mail: I-BNKLEPE@Aol.com August 11, 2004 Mr. James i- ao 5 Sagebrush Lane Rolling Hills, CA 90274 Re:! Revision of 111 Statement 6 Sagebrush Lane, Rolling Hills NOISIAI0.LN3WdO13l130R p1 I.D. E131N30 ONISS3OOEIg13-011: 087 • tool l l 9f1V [L- L 0R9RN.. Dear Mr. Hao: At the request of The County of Los Angeles, a revised 111 Statement for the project is as follows: "All earthwork for Lot 4, Tract 30345, has been satisfactorily completed per the recommendations of and under the observation and testing of this firm. The subject graded area is suitable for its intended use. It is the opinion of this firm that the completed grading and proposed development on the subject lot will be free from the effects of landslide, settlement andiar slippage and that the adjacent bordering properties will not be adversely affected by the proposed r sidential development provided the proposed structures are designed and constructed in accor ce with the recommendations presented in our reports and .the applicable building codes of County of Los Angeles." Our reports and plans show the approved buildable recommendations for all areas of the site. We appreciate the opportunity to be of service to you. do not hesi ate. :xaW ur;o ffice. area of the lot and provide mitigating If you have any further questions, please TflT01 D fi'7 EVERETT AND ASSOCIATES ENVIRONMENTAL CONSULTANTS ESTABLISHED IN 1975 POST OFFICE BOX 1085 (858) 456-2990 TELEPHONE LA JOLLA, CALIFORNIA 92038 (760) 765-3113 FACSIMILE 14 May 2010 Yolanta Schwartz Planning Director City of Rolling Hills 2 Portuguese Bend Road Rolling Hills, CA 90274 Re: Revegetation Completion, SAA R5-2003-0077, 5 & 6 Sagebrush Lane, City of Rolling Hills Dear Yolanta, With this letter I certify that the Revegetation Project at 5 & 6 Sagebrush Lane is complete and has met all regulatory requirements. The site is in excellent condition and should be self-sustaining from this point forward. The conditions of the Revegetation Plan specifically prohibit additional irrigation, thus, the area should now be able to thrive without water or additional weeding. As in all recovering habitats in seral stages, the area is best left alone as it progresses towards equilibrium. Many thanks, and if you have any questions at all, please call me at your convenience. Sincerely, ()), Le)* - William T. Everett, MS, FN, FRGS Certified Biological Consultant Cc: Gary Wynn, Jeff Feldman t4AY 14 2010 City of Rolling Hills By CELEBRATING 35 YEARS OF ENVIRONMENTAL EXCELLENCE • Date Hinkle, PE. Inc. RGE # 402 RCE# 23023 Mr. & Mrs. James Hao 5 Sagebrush Lane Rolling Hills, California 90274 15510 Rockfield Blvd., Suite B Irvine, California 92618 (949) 458-0498 Fax (949) 458-1918 E-mail: HINKLEPE@Aol.com May 3, 2004 r g204 LAMP D NIO ELOPMENT0 V SN Re: Response to County of Los Angeles " Final As -Graded Report 5 Sagebrush Lane, Rolling Hills Dear Mr. Hao: Federal I.D. 33-0117087 The County of Los Angeles has requested additional cross -sections and information regarding our final as -graded report dated February 27, 2004. Our responses are as follows: Comment 1: Provide sufficient sections through each slot of the buttress fill (A, B, C, D-1, D-2, D- 3, E) that depict construction/dimensions of the buttress and include corresponding geologic conditions collected during excavation and mapping of the back -cut, i.e. bedding orientation, bedrock vs. landslide debris, seepage, subdrains, etc. Response 1: We have prepared six geologic sections, one in each slot at a one 1" = 20' scale and they are attached. Comment 2: The as -built geotechnical map and cross-section must have the same scale (the geological map provided is at a 1" = 30' scale versus a 1" = 40' for the sections). Response 2: We attempted to make the drawings a size that could be handled and stored. We have now made plans and sections at 1" = 20' and the holder can store them as they wish. We can see them better at 1" = 20'. Comment 3: Three of the eight test results presented in the 2/27/04 report show shear strength parameters that are below the designed shear strength parameters required for surficial stability purposes. Indicate whether these lower strength materials were used in the upper 4 feet of the slope materials. If so, then recommend mitigation as necessary. Response 3: We performed numerous tests on the re -molded samples of the fill. We found that the material was all the same for the site; the test differences were caused by the amount of rock in the sample. 4- 2 Comment 4: Response 4: Comment 5: Response 5: The soil in each slot was entirely excavated. A pile from 10,000 c.y. to 20,000 c.y. was created at the top of slope, then the pile was placed in the slot to finished grade. The soil in the pile was a mixture of soil, slide debris, topsoil and excavated rock. The soil was moved at least three times and mixed each time. We estimated that after compaction with the sheepsfoot, the material was 20% to 30% angular gravel up to four inch diameter and the remainder diatomaceous silt and sand. The laboratory testing showed that as we increase the amount of gravel, the shear strength increased. Since the fill had gravel up to four inches diameter, we chose to use up to '/2-inch diameter particles in the remolded shear samples. Since the sample is only one inch thick and 2.5 inches diameter, these particles affected the strength. For example, if there were three stones over'/z-inch diameter in a sample, the strength was higher that one stone in a sample. We tried to test soil with no gravel, but got only silt -type behavior, so we chose to test with some gravel. There is no ASTM Standard for how much gravel to allow in a sample of fill with 30% floating angular gravel, so we chose to perform many tests and use an average strength. We could have allowed gravel up to %-inch in the sample and made a 4) angle of 40°, but we used our judgment and experience to create a truly representative sample. The answer to the question is that all of the soil is the same in the buttress, the variation observed was due to the sampling procedure. In fact, the soil is even stronger than we measured, because it has much larger angular gravel than tested. We considered creating a field test to measure shear strength, but again, there was no ASTM Standard, and the test would be very costly. No mitigation is required, the soils were much stronger than the required 4) = 30°, c = 200 p.s.f. It appears that one set of maximum density and optimum shear moisture content value was used in determining the relative compaction of the fill placed at this site. However, 5 compaction curves and eight shear strength tests results are presented in the 2/27/04 report, inferring that more than one type of fill material was used at this site. Verify and revise Table 1 as necessary. We performed at least one maximum density test daily on the project..Because of all the mixing and stockpiling, the materials were so similar that we used the same maximum density. The large stockpiles were a very efficient mixing system. Please show the subdrain locations/outlets that were placed to drain the heavy seepage encountered during November/December. The subdrain outlets are shown on the plan (Figure 2). The outlets are exposed. 3 Comment 6: The soils engineer and geologist shall make a finding in accordance with Section 3318.1.2 and 3318.1.3, respectively, which must also include a statement in compliance with Section 111 of the Los Angeles County Building Code, the statement provided is inconclusive regarding finished construction of the buttress fill, revise as appropriate. Response 6: According to Section 7021.3 of the California Building Code: Reports prepared by the engineering geologist retained to provide such services in accordance with Section 7020.4 including a final description of the geology of the site and any new information disclosed during the grading and the effect of same on recommendations incorporated in the approved grading plan. Engineering geologist shall submit a statement that to the best of their knowledge, the work within their area of responsibility is in accordance with the approved engineering geology report and applicable provision of this code. 111 Statement The area of the buttress fill is deep fill and subject to large settlements. We limited any future building pads as shown on the plan. As long as the future building is confined to the outlined area, there is no danger of settlement exceeding one inch or subsidence or landsliding. Such a statement cannot be made for areas of 6 Sagebrush Lane which are outside the marked area or areas of 5 Sagebrush near the fill slopes. Areas within 20 feet of the top of slope are subject to lateral creep and settlement exceeding one inch. Comment 7: Show all recommended building restriction areas on the as -built geotechnical map. Response 7: The limits of recommended allowable building areas are clearly shown on Figures 2 and 3. We appreciate the opportunity to be of service to you. If you have any further questions, please do not hesitate to call our..offiGe. Sincerely, R. D. Hinllq. \. RGE G,/ ,e) / j ED G . S. Hunt c,' \ r CEG #384 !C GAIL S. HUNT No.384 CERTIFIED RIGINEERING °S \ GEOLOGIST `),y°�� • • • City 0/ Rohn �tc>LIiO� INCORPORATED JANUARY 24, 1957 NO. 2 PORTUGUESE BEND ROAD ROLLING HILLS, CALIF. 90274 (310) 377-1521 FAX: (310) 377-7288 E-mail: cityolrh@aol.com April 25, 2006 Mr. James Hao 5 Sagebrush Lane Rolling Hills, CA 90274 SUBJECT: ZONING CASE NO. 724. Request for a lot line adjustment. Dear Mr. Hao: This letter shall serve to notify you that the City Council at their April 24, 2006 meeting received and filed the resolution of approval adopted by the Planning Commission on April 18, 2006, granting a lot line adjustment in Zoning Case No. 724. The Planning Commission's decision in this matter shall become effective thirty days after the adoption of the resolution or by 5/18/06 unless an appeal has been filed or the City Council takes jurisdiction of the case within that thirty (301 day appeal period. (Section 17.54.010(B) of the Rolling Hills Municipal Code). If no appeals are filed within the thirty (30) day period after adoption of the Planning Commission's resolution, the Planning Commission's action will become final. However, with Lot Line Adjustment application, the lot line adjustment does not become final until legal descriptions, plot plan, new deeds to the properties and other pertinent documents are recorded. You will also be required to record the Resolution of Approval together with an Affidavit of Acceptance Form. I will forward them to you together with all of the other documents that will have to be recorded. Meanwhile, please sign and notarize the enclosed forms and return to this office. They will become a part of the documents to be recorded. In addition, please submit the following information: 1. Legal descriptions (long version) for the adjusted lots, 2. Legal descriptions of the easements to RHCA, 2. 81/2" by 11" plot plan of the adjusted parcels, showing all easements and parcel numbers, (stamped/certified by a Civil Engineer), 3. Proof of payment of the latest tax bill for the parcels. ®Panted Rct ,rand t'.ri.;r ♦ • • Once I receive the legal descriptions, I will forward the descriptions together with the plot plan to County of Los Angeles Regional Planning Department for verification. Please feel free to call me at (310) 377-1521 if you have any questions. Sincerely, YIanta Schwartz Planning Director cc; Gary Wynn, Wynn Engineering RECORDING REQUESTED BY AND MAILTO: CITY OF ROLLING HILLS 2 PORTUGUESE BEND ROAD ROLLING HILLS, CA 90274 (310) 377-1521 Recorder's Use Please record this form with the Registrar -Recorder's Office and return to: City of Rolling Hills, 2 Portuguese Bend Road, Rolling Hills, CA 90274 (The Registrar -Recorder's Office requires that the form be notarized before recordation). AFFIDAVIT OF ACCEPTANCE FORM STATE OF CALIFORNIA ) COUNTY OF LOS ANGELES ) §§ CITY OF ROLLING HILLS ) ZONING CASE NO. 724 LOT LINE ADJUSTMENT 0 I (We) the undersigned state: I am (We are) the owner(s) of the real property described as follows: 5 SAGEBRUSH LANE (LOT 100-3-RH) AND LOT NORTH THEREOF (LOT 100-4-RH) This property is the subject of the above numbered case. I am (We are) aware of, and accept, all the stated conditions in said ZONING CASE NO.724 LOT LINE ADJUSTMENT (11 I (We) certify (or declare) under the penalty of perjury that the foregoing is true and correct. Print Print Owner Owner Name Name Signature Signature Address Address City/State City/State Signatures must be acknowledged by a notary public. State of California ) County of Los Angeles ) On before me, personally appeared [ I Personally known to me -OR- I ] proved to me on the basis of satisfactory evidence to be the person(s) whose name(s) is/are subscribed to the within instrument and acknowledged to me that he/she/they executed the same in his/her/their authorized capacity(ies) and that by his/her/their signature(s) on the instrument the person(s), or the entity upon behalf of which the person(s) acted, executed the instrument. Witness by hand and official seal. Signature of Notary See Exhibit "A" attached hereto and made a part hereof • • r EXHIBIT "A" REQUEST FOR CERTIFICATE OF COMPLIANCE FOR LOT LINE ADJUSTMENT CITY OF ROLLING HILLS I/WE, the undersigned owner(s) of record of real property within the City of Rolling Hills, County of Los Angeles, hereby REQUEST the City of Rolling Hills, to determine if said real property described below, in Exhibit "B", complies with the provisions of the Subdivision Map Act (Section 66410 ed seq., Government Code, State of California) and the City Subdivision Ordinance. Signature Name, typed or printed State of California ) County of Los Angeles ) Signature Signature Name, typed or printed Name, typed or printed ACKNOWLEDGEMENT On before me, personally appeared [ ] Personally known to me -OR- [ I proved to me on the basis of satisfactory evidence to be the person(s) whose name(s) is/are subscribed to the within instrument and acknowledged to me that he/she/they executed the same in his/her/their authorized capacity(ies) and that by his/her/their signature(s) on the instrument the person(s), or the entity upon behalf of which the person(s) acted, executed the instrument. Witness by hand and official seal. Signature of Notary • • City a/ ROftL �u�e April 19, 2006 Mr. James Hao 5 Sagebrush Lane Rolling Hills, CA 90274 Dear Mr. James Hao: INCORPORATED JANUARY 24, 1957 NO. 2 PORTUGUESE BEND ROAD ROLLING HILLS, CALIF. 90274 (310) 377-1521 FAX: (310) 377-7288 E-mail: cityofrh@aol.com SUBJECT: ZONING CASE NO. 724, Request for a lot line adjustment. This letter shall serve to notify you that the Planning Commission at their regular meeting on April 18, 2006, adopted a Resolution, which is enclosed, granting your request in Zoning Cases No. 724. That action, accompanied by the record of the proceedings before the Commission will be reported to the City Council on Monday, April 24, 2006, at their regular meeting beginning at 7:30 PM. You or your representative must be present to answer any questions the Council may have. The Planning Commission's decision in this matter shall become effective thirty days after the adoption ofthe resolution by the Commission, unless an appeal has been filed or the City Council takes jurisdiction of the case within that thirty (30) day appeal period. (Section 17.54.010(B) of the Rolling Hills Municipal Code). Should there be an appeal, the Commission's decision will be stayed until the Council completes its proceedings in accordance with the provisions of the Municipal Code. If no appeals are filed within the thirty (30) day period after adoption of the Planning Commission's resolution, the Planning Commission's action will become final and you will be required to cause to be recorded an Affidavit of Acceptance Form together with the subject resolution and Lot Line Adjustment Certificate of Compliance in the Office of the County Recorder before the Commission's action takes effect. A copy of the staff report to the City Council will be forwarded to you on Friday, April 21, 2006. Following the City Council's action, a Certificate of Compliance for the Lot Line Adjustment will be prepared for recordation, only after the conditions specified in the Resolution have been met and legal descriptions for the new lots have been verified by our consultant, the Los Angeles County Regional Planning Department. Please feel free to call me at (310) 377-1521 if you have any questions. Sinc rely, e Yo anta Schwartz Planning Director cc: Gary Wynn, P.E., Wynn Engineering ® Pr, ,UCd tm Rect vtlr:d RESOLUTION NO. 2006-07 A RESOLUTION OF THE PLANNING COMMISSION OF THE CITY OF ROLLING HILLS AUTHORIZING THE ISSUANCE OF A CONDITIONAL CERTIFICATE OF COMPLIANCE FOR A LOT LINE ADJUSTMENT FOR PROPERTIES AT 5 SAGEBRUSH LANE (LOT 100-3-RH, DEVELOPED LOT) AND A VACANT LOT NORTH THEREOF (LOT 100-4-RH) IN ZONING CASE NO. 724, (HAO). THE PLANNING COMMISSION OF THE CITY OF ROLLING HILLS DOES HEREBY FIND, RESOLVE AND ORDER AS FOLLOWS: Section 1. An application was duly filed by Mr. James Hao with respect to real property located at 5 Sagebrush Lane (Lot 100-3-RH) and a vacant lot known as 6 Sagebrush Lane (Lot 100-4-RH) requesting a Certificate of Compliance for a Lot Line Adjustment to move the common side lot lines dividing Lot 100-3-RH (5 Sagebrush Lane) and Lot 100-4-RH (known as 6 Sagebrush Lane), where a portion of northerly Lot 100-3-RH will be transferred to Lot 100-4-RH and a portion of north-westerly lot 100-4-RH will be transferred to Lot 100-3-RH. Section 2. California Government Code Subsection 66412(d) authorizes lot line adjustments without requiring a tentative map, parcel map or final map if: (A) The lot line adjustment involves two or more existing adjacent parcels, where land is proposed to be taken from one parcel and added to an adjacent parcel; (B) A greater number of parcels than originally existed is not thereby created; (C) The lot line adjustment will create parcels that conform to local zoning and building ordinances; and (D) The lot line adjustment is approved by the City. The City may impose conditions on the Lot Line Adjustment in order to make the lot conform to local zoning and building ordinances, to require the prepayment of real property taxes prior to the approval of the Lot Line Adjustment or to facilitate the relocation of existing infrastructure or easements. Section 3. The Planning Commission conducted a duly noticed public hearing to consider the application at a regular meeting on March 21, 2006. At the March 21, 2006 meeting, the Planning commission determined that a field visit to the site would not be necessary as all parties are very familiar with the project. Section 4. The Planning Commission finds that the project is categorically exempt from environmental review under the California Environmental Quality Act pursuant to a Class 5 exemption provided by Section 15305 of the State CEQA Guidelines. Section 5. The Planning Commission has considered the evidence, both written and oral, presented in connection with this application and finds as follows: ZC NO. 724 LLADJ. (Hao) • • A. Section 16.16.010(B) of the Rolling Hills Subdivision Ordinance and Section 17.16.060(A) of the Rolling Hills Zoning Ordinance requires that each lot in any subdivision in the RA-S-2 Zone shall have a net area of not less than eighty-seven thousand one hundred twenty square feet (2.0 acres). The proposed lot line adjustment will result in Parcel 1, Lot 100-3-RH being 2.00 net acres and Parcel 2, Lot 100-4-RH being 2.01 net acres, exclusive of: (a) any and all perimeter easements measured to a minimum lineal distance of ten feet perpendicular to the property lines; (b) any portion of the lot or parcel of land used for roadway purposes; and (c) any private drive or driveway which provides access to any other lot or parcel of land. B. Section 16.16.020 of the Rolling Hills Subdivision Ordinance and Section 17.16.060(B)(3) of the Rolling Hills Zoning Ordinance require that in all cases where practicable, the sidelines of lots shall be at approximate right angles or radial to the street upon which such lot fronts. Due to the location of the "double" private street, Sagebrush Lane, which crosses Lots 100-3-RH and 100-4- RH and culminates in a cul-de-sac on both properties, the resulting 2 lots off of Sagebrush Lane will not meet this condition. However, this is a pre-existing condition and the proposed lot line adjustment would not affect the angle of the sideline to Sagebrush Lane on these two parcels. C. Section 16.20.230 of the Rolling Hills Subdivision Ordinance requires that easements, the width of which are to be determined by the Rolling Hills Community Association, be dedicated for bridle trail and utility purposes over the strips and portions of land within and abutting upon the sidelines and rear lines of each lot. The proposed adjustment provides for 25-foot easements, or as otherwise approved by the Association, on each side of the adjusted lot lines and equestrian trails within the easements, and will be recorded concurrently with the Certificate of Compliance for lot line adjustment. D. Chapter 16.48 of the Rolling Hills Subdivision Ordinance provides procedures for processing of certificates of compliance, which is a document that acknowledges that subject parcels are considered by the City to be legal lots of record. City records indicate that both parcels were created legally. The recently remediated vacant Parcel 100-4-RH is deemed buildable by the Los Angeles County Department of Public Works, subject to additional soil, hydrology and geology studies. E. Conditions have been attached to this approval which provide that it will not impair or limit the City's application of the Site Plan Review or any other Ordinance or Code to any future development of Lot 100-3-RH and Lot 100-4-RH, including but not be limited to further study of soils, geology, hydrology, grading and other requirements. Section 6. In accordance with the foregoing findings, a Conditional Certificate of Compliance for lot line adjustment sought in Zoning Case No 724 as indicated on the map attached hereto as Exhibit "A" stamp dated March 08, 2006 is hereby approved subject to the following conditions: ZC NO. 724 LLADJ. (Hao) 2 A. The Lot Line Adjustment approval shall expire within two years from the effective date of approval as defined in Section 17.46.070, unless otherwise extended pursuant to the requirements of this section. B. There shall be twenty-five (25) foot easements on each side of the adjusted lot lines within the adjusted boundaries of the lots, or as otherwise required by the Rolling Hills Community Association. The maps attached to the Conditional Certificate of Compliance, referred hereto as Exhibit "A" shall delineate and note the easements and trails specified in this paragraph. C. The lot line adjustment approval shall not in any way constitute any representation that the adjusted lots can be developed even if in compliance with current zoning and building ordinance standards. No development shall occur on the properties without first complying with all applicable City Building and Zoning requirements and other applicable rules and regulations. D. The lot line adjustment shall not in any respect limit or impair the City's application of the Site Plan Review Ordinance (Ordinance No 221, 1988) to Lot 100-3-RH and 100-4-RH at such time as an application is made for development. E. The Certificate of Lot Line Adjustment shall not be issued until a legal description complying with the delineation of adjustment, and including the required easements and trails as specified in Paragraph C of Section 5 are submitted to, and approved by the City. Upon the City's approval of the legal descriptions of the new adjusted lines, trails and easements, a Certificate of Compliance shall be issued by the City, shall be recorded by the property owner in the offices of the Los Angeles County Recorder, and evidence of the recordation shall be returned to the City. F. The applicant shall record the deeds of the properties effectuating the transfer concurrently with the Certificate of Compliance for the Lot Line Adjustment and shall submit proof of such recordation to the City of Rolling Hills. G. The applicants shall execute an Affidavit of Acceptance of all conditions of this Resolution or the Lot Line Adjustment shall not be effective. H. Prior to recordation of the lot line adjustment, the applicant shall submit proof that current property taxes have been paid on both parcels. PASSED, APPROVED AND ADOPTED ON THE 18 DAY OF APRIL, 2006. OREN DEROY, CHAIR ATTEST: R W1, MARILYN K:E;RN, DEPUTY CITY CLERK ZC NO. 724 LLADJ. (Hao) 3 • • STATE OF CALIFORNIA ) COUNTY OF LOS ANGELES ) §§ CITY OF ROLLING HILLS) I certify that the foregoing Resolution No. 2006-07 entitled: A RESOLUTION OF THE PLANNING COMMISSION OF THE CITY OF ROLLING HILLS AUTHORIZING THE ISSUANCE OF A CONDITIONAL CERTIFICATE OF COMPLIANCE FOR A LOT LINE ADJUSTMENT FOR PROPERTIES AT 5 SAGEBRUSH LANE (LOT 100-3-RH, DEVELOPED LOT) AND A VACANT LOT NORTH THEREOF (LOT 100-4-RH) IN ZONING CASE NO. 724, (HAO). was approved and adopted at a regular meeting of the Planning Commission on April 18, 2006 by the following roll call vote: AYES: Commissioners Hankins, Henke, Sommer, Witte and Chairwoman DeRoy. NOES: None. ABSENT: None. ABSTAIN: None. and in compliance with the laws of California was posted at the following: Administrative Offices ZC NO. 724 LLADJ. (Hao) 4 K " DEPUTY CITY CLERK (310) 544-6222 ?oon tLi)2 JkLL�. Community cAsoeiation ✓/ of c.Rancfio (Pules No. 1 PORTUGUESE BEND RD. • ROLLING HILLS, CALIF. 90274 ROLLING HILLS Memorandum Date: To: From: Re: March 21, 2006 Craig Nealis, City Manager �r L% f C�� Peggy R. Minor James Hao, 5 and 6 Sagebrush Lane Lot Line Adjustment CALIFORNIA (310) 544-6766 FAX b)!.RTAIIWZM MAR 2 12006 CITY OF ROLLING HILLS By On March 16, 2006 the RHCA Board of Directors unanimously approved the proposed lot line adjustments for 5 and 6 Sagebrush Lane prepared by Wynn Engineering Co. for Mr. Hao. The approval is contingent upon preservation of the existing trail and restoration of easements. PRM/kr KR/RH City/HaoLotLineAdj 03-21-06