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HomeMy WebLinkAbout39-Planning Clt:" Or-'SAM BERNARDQO - REQUQT FOR COUNCIL AC~ON """'m: ~ Dept: R. Ann Siracusa Director of Planning::~EC'D>AllHIH. S61iject: Change of Zone No. 87-20 Planning ::-n7 ~ ''''-;'/ ~/! "I' ," .t _. '''' '-' iJL Mayor and Council Meeting of December 7, 1987, 2:00 p.m. Date: November 18, 1987 Synopsis of Previous Council action: Previous Planning Commission action: At the meeting of the Planning Commission on November l7, 1987, the following recommendation was made: The application for Change of Zone No. 87-20 was unanimously recommended for approval. The Negative Declaration for environmental review was also recommended for approval. Recommended motion: ~ To approve the responses to comments and to adopt the Negative ~ Declaration for environmental impact which has been reviewed and considered. To approve, modify or reject the findings and the recommendation of the Planning Commission and to direct the City Attorney to prepare the necessary amendments to the Zoning Code. "w j J( '; Ii' I' ' t, , \ \... ~ \ -1h,I,"\t\t;~~ Signature RV. vAnn Siracusa Contact person: R. Ann Siracusa Supporting data attached: Staff Report Phone: 384-5357 Ward: 1 FUNDING REQUIREMENTS: Amount: Source: Finance: r-', '-uncil Notes: 75-0262 c o ,~ o CITY OF SAN BERNARDINO PLANNING DEPARTMENT" 0 SUMMARY l&J ~ o t; l&J :J o "" a: ..... c:r l&J a: c:r PROPERTY P/Q North South East West AGENDA ITEM HEARING DATE WARD if2 11/17/87 ~ ChANGE OF ZONE No, 87-20 APPLICANT' Ernest Harris Association 8348 Center Drive La Mesa, CA 92042 OWNER' Boyd Street Properties 15339 Foothill Blvd. Fontana, CA 92335 Northwest corner of Mill Street and Allen Street, The applicant requests a change of zone under code authority 19.06.060 ona3,27 acre lot from M-l, Light Industrial to C-M, Commercial Manufacturing, ""'" - EXISTING LAND USE ZONING GENERAL PLAN DESIGNATION Vacant Vacant Warehouse Retail Railroad Right of Way M-l M-l M -1/ CM C-3A M-l General Indus, General Indus, General Indus, General Indus. General Indus, GEOLOGIC / SEISMIC DlI YES FLOOD HAZARO DYES OZONE A C SEWERS ~YES ) HAZARD ZONE ONO ZONE Kl\No OZONE B ONO HIGH FIRE DYES AIRPORT NOISE / DYES REDEVELOPMENT DYES HAZARD ZONE [lg NO CRASH ZONE li9 NO PROJECT AREA [3 NO .J o NOT o POTENTIAL SIGN I FICANT Z [lg APPROVAL ~ APPLICABLE E FFE CTS 0 WITH MITIGATING ti 0 CONDITIONS Zen MEASURES NO E.I.R. l&JC!) o EXEMPT o E,I.R, REQUIRED BUT NO 1&.0 0 ~Z I&.~ DENIAL Z- SI GN IFICANT EFFECTS ~ 00 WITH MITIGATING ;!~ 0 CONTINUANCE TO a:Z MEASURES en2 :;ii: 0 Z [ljJ NO o SIGNIFICANT EFFECTS 0 l&J SIGNIFICANT SEE ATTACHED E, R. C, l&J EFFECTS MINUTES a: NOY 1981 REVISED JULY I..t ~I(Y L, r' .... ' f ,'-" ~. CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ87-20 OBSERVATIONS in 11/17/87 2 AGENDA ITEM HEARING DATE PAGE r 1 . REQUES~ The request is for approval of a zone change under of Section 19.06.06 from M-l, Light Industrial, Commercial Manufacturing for a 3.27 acre site northwest corner of Mill Street and Allen Street. authority to C-M, at the 2. SITE LOCATION The subject property is a 3.27 acre parcel located at the northwest corner of Mill Street and Allen Street. 3. MUNICIPAL CODE AND GENERAL PLAN CONFORMANCE - , ' "-' The site is currently zoned M-l, Light Industrial. The General Plan designates the area General Industrial, which corresponds to a zoning designation of M-2, General Industrial. Attachment A enumerates the uses allowed in the various zones involved. The application requests a C-M, Commercial Manufacturing designation. The Commercial Manufacturing zone is inconsistant with the General Plan designation of General Industrial but the California Government Section 65803 exempts Charter Cities from zoning consistency with the General Plan. See Attachment B. 4. CEQA STATUS An Initial Study was prepared by staff and presented to the Environmental Review Committee. The study was accepted and made available for public review. No comments were received. The Environmental Review Committee recommended the adoption of a Negative Declaration at their October 8, 1987, meeting. 5. BACKGROUND - In the past this Commission has deemed the General Plan designation of General Industrial to be consistent with the Zoning District of C-M Commercial Manufacturing. For example, the Central City south Overlay District, the Hunts Lane area and the Hospitality Lane area are zoned C-M within the General Plan designation of General Industrial. -- r n ..... ./ 1"""'\ , I """'I r CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ 87-20 ~ ......../ OBSERVATIONS iF 11/ 7/87 3 ... AGENDA ITEM HEARING DATE PAGE The applicants have received approval from the Development Review Committee for four light industrial buildings totaling 63,919 square feet. One of them will be used for offices and/or as combination of retail and manufacturing if the change of zone is approved. 6. ANALYSIS The site is surrounded by a mix of commercial and industrial land uses. The project area is adjacent to a C-3A district which has several retail shops including a butcher shop to the east across Allen Street. To the southeast across Mill Street in the existing C-M zone is an Auto Repair Shop and to the west of that, zoned M-l is a warehouse. The site is bounded by a railroad right of way to the west and west of that is an M-l zone with two single family homes which are nonconforming uses. North of the property in question is ~ vacant land which is zoned M-l. Increased traffic must be a consideration for a change of zone. The City Engineering Department shows a traffic count on Mill Street at Allen Street as 330 cars per day. The projection for the change of zone would increase the flow by 200 cars per day for a total of 530 cars per day, which is well below the carrying capacity of this major street. Within about one half mile of the project area are several housing areas, a school, Meadowbrook Recreation Park and the Orange Show Grounds. These uses would not be enhanced if the property was developed to the General Plan designation of General Industrial. 7. COMMENTS R~~~lY~Q No comments have been received. 8. CONCLUSION Although the proposed C-M Zone District is not consistent with the General Plan Designation, this proposal blends with the existing land uses and surrounding zoning in that they are already a mix of Commercial and Light Industrial. ~ -' l.., , /',", " '-' -- o CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ 87-20 OBSERVATIONS 11/11/81 4 AGENDA ITEM HEARING DATE PAGE 9. RECOMMENDATION It is recommended that the Planning Commission: (1) Approve the Negative Declaration; (2) Recommend approval of Change of Zone 87-20. Respectfully submitted, R. Ann Siracusa Director of Planning I _ ( 7/ " -r-:- ,__ ) C,l~~ ~) ....U/Jf.PYV>' Vivian Stevens Planner I - '-' Attachment A - Municipal Code and General Plan Conformance Attachment B - State Statute 65803 Attachment C - Initial Study Attachment D - Location Map clj 1l/lO/87 pcagenda/doc cz87200b - '- r r"' \ , 1""'1 \ ./ ., CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ 87~20 ~ OBSERVATIONS 2 11/17/87 j AGENDA ITEM HEARING DATE PAGE ATTACHMENT A MUNICIPAL CODE AND GENERAL PLAN CONFORMANCE C-l NEIGHBORHOOD COMMERCIAL DISTRICT A. Retail stores structures): <located within enclosed permanent 1. Bakery employing not more than five persons; 2. Book store; 3. Confectionery store; 4. Drugstore; 5. Dry goods or notions store; 6. Florist or gift shop; 7. Grocery, fruit, or vegetable store; 8. Hardware or electrical appliance store; 9. Jewelry store; 10. Meat market or delicatessen store; 11. Packaged ice station; 12. Photographic supplies store; l3. Stationary store. B. Office or ground space. ..... 1. Automobile parking lot; 2. Offices, business or professional. C. Services. 1. Automobile service stations; 2 . Bank; 3. Barber shop and beauty shop; 4. Restaurant, tea room, or cafe (no dancing or entertainment) ; 5. Clothes cleaning pickup agencies and pressing establishments, provided each machine has a rated capacity of not more than fifteen pounds; 6. Dressmaker or millinery shop; 7. Launderettes, provided each machine has a rated capacity of not more than fifteen pounds; 8. Library; 9. Photographer; 10. Post Office; 11. Shoe store and repair; .- 12. Tailor; l3. Dance instruction studio. D. Combination uses. .... l. r-""" '-" " ~.,,' ,..- '- CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ 87-20 OBSERVATIONS AGENDA ITEM HEARING DATE PAGE 1tL ll/F /87 E. Other. (Such other uses as the Commission determines to be similar.) C-2 COMMUNITY COMMERCIAL DISTRICT 19.20.020 Uses Permitted. It is unlawful for any person to use a building or land except for the following purposes: A. Uses permitted in the C-l District; Neighborhood Commercial B. Retail stores; Antique store; Art shop; Automobile sales agency, with incidential service and repairs; Bakeries (not more than ten employees); Bird store; Clothing store; Establishment offering alcoholic beverages for on site consumption, including those integrated with a restaurant, subject to a conditional use permit; Department store; Drive-in restaurants (subject to conditional use permit); Electrical supply shop; Feed and fuel stores (entirely within building devoted to retail sales); Frozen food lockers (retail only); Furniture store; Ice storage houses (limit capacity to five tons); Liquor store or other facilities for the off-site sale of alcoholic beverages, including beer and wine, subject to a conditional use permit; excepting therefrom a liquor store or other facility containing twenty-five thousand square feet or more which does not sell alcoholic beverages as its principal business; l6. Newsstands; l7. Paint stores; 18. Pet shops; 19. Plant nurseries (fertilizer stored within building) ; ,..- 1. ......... 2. 3. 4. 5. 6. 7. 8. 9. 10. ll. 12. 13. l4. 15. r' ......... to. r o ~ -"""I CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE cz "8'7 - ~() OBSERVATIONS ~. -- 2 U/l//'d/ 7 AGENDA ITEM HEARING DATE PAGE 20. Plumbing supply shop; 21. Printing shops; 22. Trunk and leather goods store. C. Office, ground or storage space. 1. Auditoriums, meeting service organizations Business colleges or commercial enterprise halls, for on second floor private schools on second floor fraternal and levels only; operated as a levels only; 2. D. Services. 1. Banks and financial institutions; 2. Catering establishments; 3. Automobile service stations; 4. Dry cleaning and pressing establishments and ~ laundries, provided each machine has a rated capacity of not more than sixty pounds; 5. Medical or dental laboratories; 6. Movie theaters, subject to a conditional use permit; 7. Music conservatories; 8. Open uses such as: agriculture <field crops, truck gardening, berry or bush crops, flower fields, apiaries when not being used for commercial purposes); 9. Public garages; 10. Blood plasma collection, processing, storage or distribution facility, subject to a conditional use permit. E. Combination uses. F. Such other uses as the Commission determines to be similar. Any use specified in this section as being a permitted use ln the C-2 Community Commercial District shall be permitted subject to a conditional use permit when such use provides for, contemplates or involves dancing or entertainment or is an entertainment place as defined by this title. """ C-3 GENERAL COMMERCIAL DISTRICT A. Uses permitted in the C-2 District. B. Retail stores. , "'.--.-1 - CITY OF SAN BERNARDINO PLANNING DEPARTMENT --. CASE (:7 R7_?O OBSERVATIONS 2 11/17/87 R AGENDA ITEM HEARING DATE PAGE 1. Automobile sales; 2. Commercial greenhouses (retail only); 3. Secondhand goods sold entirely within an enclosed building; 4. Used cars and trailer sales lots. C. Services. ,"- '- l. Amusement arcades; 2. Animal hospitals; 3. Auction houses or stores; 4. Automobile service stations; 5. Automobile wash; 6. Baths, Turkish, steam or other public; 7. Blueprinting and photocopying; 8. Bowling alleys; 9. Boxing arenas; 10. Dance halls; ll. Drive-in theaters; 12. Employment agencies; 13. Ice or roller skating; l4. Mortuaries and funeral parlors; 15. Motels and motor hotels; l6. Pool halls; l7. Repair garages; l8. Swimming pools; 19. Tire retreading and recapping; 20. Trade schools; 2l. Trailer camp; 22. Trampolines; 23. Upholstery shop; 24. Wedding chapels. D. Combination Use. E. Such other uses as the Commission determines to be similar. C-3A LIMITED GENERAL COMMERCIAL DISTRICT '- All provisions district shall exceptions: set forth for the C-3 general commercial apply with the following additions and A. All buildings shall be entirely new and complete ". ('1 ~ .. CITY OF SAN BERNARDINO PLANNING DEPARTMFNT CASE cz . t!~-20 OBSERVATIONS "'"' - ? 11/17/87 9 AGENDA ITEM HEARING DATE PAGE structures designed and used for commercial purposes only; B. Plot plans and elevations shall be submitted to the Commission for approval; C. Alleys may be required by the Commission; D. No structure originally designed as a residence, or as an accessory residence, shall be used for any retail business or professional use; E. No business or professional building shall be erected or established on the same lot together with a building originally established as a residence, or as an accessory to a residence; "'"' F. No residential uses shall be permitted on any lot occupied by a business or devoted to a business or professional use; G. There shall be no combination uses. C-M COMMERCIAL-MANUFACTURING DISTRICT Use permitted in the C-3A, Limited General Commerical District, the M-l, Light Industrial District, and in the M-l, Limited Light Manufacturing-Industrial District. M-l LIGHT INDUSTRIAL DISTRICT A. Assembly of small electrical and mechanical appliances and electronic instruments; B. Automobile screw machines, blacksmith shops and machine shops, excluding punch presses over twenty tons, drop hammers; c. Automobile assembly, battery manufacturing, body fender works, painting, rebuilding, reconditioning, retreading and recapping, truck repairing overhauling, upholstering and like uses; and tire and '""" ..,...,. D. Automobile impound yards, subject to a conditional use permit; c ""' ........ r....... .-....; CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ 87-20 OBSERVATIONS o AGENDA ITEM HEARING DATE PAGE 2 11/17/87 10 E. Automobile service stations; F. G. H. 1. J. C K. L. M. N. Contractors storage yards a building or within an with a 6-foot high chain masonry wall; when open link conducted entirely within space entirely enclosed fence or 6-foot high Draying and freight yards; Electric distribution substations; Feed and fuel yards, subject to the same provisions as required in subsection F; House moving storage yards, subject to a conditional use permit; Laundries and dry cleaning plants, carpet and rug cleaning plants and like uses; Lumber yards, subject to the same provisions as required in subsection F; Machinery rentals when conducted entirely within an enclosed yard as required by subsection F. Manufacture and maintenance of billboards and electrical signs, commercial advertising structures; O. Manufacture of novelties, metal, and rubber stamps and toys; P. Manufacturing, compounding, assembly or treatment of articles or merchandise from the following previously prepared materials; Q. Manufacturing, compound, processing, packaging or treatment of products; R. Manufacturing of figurines, pottery or similar ceramic products; C S. Movie studios; T. Poultry or rabbit kill ing incidental to sale on the premises; ,If""""- o '"') .'J CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ 87-20 ~ - OBSERVATIONS AGENDA ITEM z HFARING DATE _11/17/87 PAGE ~ U. Repair garages; v. Retail lumber yards including incidental mill work; W. Small boat building and repairs; X. veterinarian animal hospital; Y. Wholesaling and warehousing; Z. Such other uses which the Commission determine to be similar in nature and does not produce obnoxious noise, odor, dust, smoke, glare and other nuisances. M-2 GENERAL INDUSTRIAL DISTRICT A. Al~ industrial uses not expressly prohibited by law, or by reason of emission of noxious or offensive gases or odors, dust, smoke, soot, noise, vibration or light. ~ --,' clj pcagenda/doc 11/5/87 cz8720attacha ~ -,' c ,,~ / - CITY OF SAN BERNARDINO PLANNING DEPARTMENT CASE CZ 87-20 ~l OBSERVATIONS z 11/17/87 1? AGENDA ITEM HEARING DATE PAGE ATTACHMENT B CHAPTER 4. ZONING REGULATIONS Article 1. General Provisions PURPOSE /Ao-"- 65800. It is the purpose of this chapter to provide for the adoption and administration of zoning law, ordinances, rules and regulations by counties and cities, as well as to implement such General Plan as may be in effect in any such county or city. Except as provided in Article 4 (commencing with Section 65910) and in Section 65913.1, the Legislature declares that in enacting this chapter it is its intention to provide only a minimum of limitation in order that counties and cities may exercise the maximum degree of control over local zoning matters. ( Amended by Stats. 1980, Ch. 1152.) EXCLUSIVE METHOD ,-,I 65802. No provlslonS of this code, other than the provisions of this chapter, and no provisions of any other code or statute shall restrict or limit the procedures provided in this chapter by which the legislative body of any county or city enacts, amends, administers, or provides for the administration of any zoning law, ordinance, rule or regulation. ( Repealed and added by Stats. 1965, Ch. l880.) CHARTER_~J1'IE~ 65803.****Except as otherwise provided, this chapter shall not apply to a charter city, except to the extent that the same may be adopted by charter or ordinance of the city. ( Repealed and added by Stats. 1965, Ch. 1880; Amended by Stats. 1986, Ch. 190. Urgency; effective June 24, 1986.) , 1 '-" MINIMUM STANPARDS 65804. It shall be the purpose of this section to implement minimum procedural standards for the conduct of city and county zoning hearings. 1'" () o ATTACHMENT C PLANNING DEPARTMENT CITY OF SAN BERNARDINO Initial Study for Environmental Review Change of Zone Number 87-20 From M-l, Light Industrial, to C-M, Commercial Manufacturing at the northwest corner of Mill Street and Allen Street Prepared by: Vivian Stevens Planning Department 300 North "D" Street San Bernardino, CA 92418 (714) 384-5057 Prepared for: Harris Associates 8348 Center Drive La Mesa, California 92402 ') "'" - "" - """" - {' 1..... ,...~ '- Q SECTION 1.0 2.0 2.1 2.2 3.0 3.1 3.2 3.2.1 3.2.2 4.0 - 4.1 '- 4.2 5.0 6.0 TABLE OF CONTENTS PAGE Introduction.............................. 1-1 Executive Summary......................... 2-1 Proposed Project.......................... 2-1 Project Impacts........................... 2"-1 Project Description....................... Location................................. . Site and Project Characteristics.......... Existing Conditions....................... Project Characteristics................... Environmental Assessments................. Environmental Setting..................... Environmental Effects..................... References............................... . Appendices Appendix A - Environmental Impact Checklist Appendix B - Liquefaction Study Booklets Appendix C - Letter from Mr. Carlyle Appendix D - Letter from Mr. Williams Appendix E - Location Map clj 10/2/87 intstud87202 misc.doc. ~- '-' 3-1 3':'1 3-1 3-1 3-1 4-1 4-1 4-1 2 5-1 {~ a o ^l '~ "'" ,,,,,,..'."' 1.0 INTRODUCTION This report is provided by the City of San Bernardino as an Initial Study for the proposed change of zone for the northwest corner of Mill Street and Allen Street from M-l, Light Industrial, to C-M, Commercial Manufacturing. As stated in Section 15063 of the State of California Environmental Quality Act (CEQA) Guidelines, the purposes of an Initial Study are to: 1. Provide the Lead Agency with basis for deciding whether Negative Declaration; information to use as the to prepare an EIR or a 2. Enable an applicant or Lead Agency to modify a project, mitigating adverse impacts before an EIR is prepared, thereby, enabling the project to qualify for a Negative Declaration; 3. Assist the preparation of an EIR, if one is required by: a. Focusing the EIR on the effects determined to be significant, ~ -- b. Identifying the effects determined not to be significant, c. Explaining potentially significant. the reasons significant for determining that effects would not be 4. Facilitate environmental assessment early design of a project; in the 5. Provide documentation finding in a Negative not have a significant of the factual basis for Declaration that a project effect on the environment; the will 6. Eliminate unnecessary EIRs; 7. Determine whether a previously prepared EIR could be used with the project. ~ _,v c - '- - '- -- - '-~ CITY OF SAN BERNARDINO PLANNING DEPARTMENT INITIAL STUDY FOR CHANGE~F ZONE 87-20 October 2, 1987 2.0 EXECUTIVE SUMMARY 2.1 PROPOSED PROJECT The request is for approval of a zone change under of Section 19.06.07 from M-l, Light Industrial Commercial Manufacturing for a 3.27 acre site northwest corner of Mill Street and Allen Street, the construction of four multi-use buildings. 2.2 PROJECT IMPACTS authority to C-M, at the to permit Impacts identified in the attached checklist include: l. The change in proposed uses of land as proposed in the General Plan. 6. The possible increase in traffic and congestion. 16. 19. The site is located in a possible liquefaction area. The possibility of significant cumulative impacts on the environment. o !"""I -. CITY OF SAN BERNARDINO PLANNING DEPARTMENT INITIAL STQDY FOR CHANGE OF ZONE 87-2& October 2, 1987 -""" "'F 3.0 PROJECT DESCRIPTION 3.1 LOCATION The proposal is for a site located at the northwest corner of Mill Street and Allen Street. (See Appendix A.) 3.2 SITE AND PROJECT CHARACTERISTICS 3.2.l EXISTING CONDITIONS The site is a rectangularly-shaped, flat parcel encompassing approximately 3.27 acres. The site is currently a rough graded vacant field. (See Appendex B.l 3.2.2. PROJECT CHARACTERISTICS The zone change is proposed from M-l, Light Industrial to C- M, Commercial Manufacturing. The land uses allowed in the C- ~ M Zone include all the allowed uses of the M-I Zone as well as all uses in the C-3A Limited General Commercial District. The uses would be expanded to include all forms of retail sales, office space and entertainment uses. "" -" \. /, / .... ..,.-.... CITY OF SAN BERNARDINO PLANNING DEPARTMENT INITIAL STUDY FOR CHANGE OF ZONE 87-20 October 2, 1987 ',;) - 4.0 ENVIRONMENTAL ASSESSMENT 4.1 ENVIRONME~~AL SETTING The rectangulary shaped parcel of land is bordered to the south by Mill Street for approximately 309 feet by Allen Street to the east for 431 feet and has a total of 3.27 acres. Mill Street is a major street and connects the site to Waterman Avenue to the east and then to the 10 Freeway. To the west Mill Street connects the site to the 215 Freeway. The site is surrounded by the M-l, Light Industrial Zone on three sides and has C-3A across Allen. Land use is mixed between residential, commercial and light industrial. (See Appendix A.) 4.2 ENVIRONMENTAL EFFECTS The Environmental Impact Checklist identifies four areas of potential concern regarding the project. These are: p...., "- The possibility that the proposal would change the land as designated in the General Plan. The possible congestion. creation of a traffic hazard or The location of the project in a liquefaction zone. The possibility of cumulative significant adverse impacts. The Environmental Impact Checklist is attached in Appendix A of this report. Each item checked "maybe" on the checklist is identified below, followed by the recommended mitigation measures. 1. Could project change proposed uses of land, as indicated on the General Plan, either on project site or within general area? The General Plan sets the area "generally south of Second Street" as being suggested for "continued development of commercial service and restricted industrial use." It is further suggested "that wholesale activities, warehousing and light manufacturing establishments will concentrate in this area." '- The maps, however, show the area in question as being General Industrial. The land use in the area is mixed and varies from commercial just across Allen Street at Mill Street to a '..., _J ~ ''''\ "'" CITY OF SAN BERNARDINO PLANNING DEPARTMENT INITIAL STUDY FOR CHANGE OF ZONE 87-20 October 2, 1987 \) ........ single family residence in the M-l zone across Allen Street at the north end of the property. A railroad bounds the area to the west. The project will not be changing the surrounding land use currently and the text of the General Plan does encourage a mix of commercial and warehousing in the area. 6. Could the project create a traffic hazard or congestion? The Public Works Department anticipates the change in zone could increase the traffic by 200 cars per day on Mill Street traffic count at Mill Street and Allen Street is currently 330 and well below its improved carrying capacity. 16. Will project be located in immediate adverse geologic nature such as slide highly erosible soils, earthquake faults, area of any prone areas, etc.? The site is located in a liquefaction area and an investigation was done by C.H.J. Incorporated, Soils ........ Engineers. (See Attachment B.) The study found the proposed development to be feasible from a soil engineering standpoint, as long as the recommended subexcavation, compaction and building standards were followed. Dr. Williams, the City's consultant geologist, found that the study was adequate to meet the requirements of Resolution No. 82-345 of the City of San Bernardino. 19. Will any effects of the subject project together or in conjuction with effects of other projects cause a cumulative significant adverse impact on the environment? This area is of mixed land use, the streets are adequately designed to carry the possible increase in traffic and the project is feasible even if it is in a liquefaction area if proper construction measures are followed. There are no other large scale projects planned in the area at present. ........ l.". c c - ...... I"" "'" "\ ,,,I CITY OF SAN BERNARDINO PLANNING DEPARTMENT INITIAL STUDY FOR CHANGE OF ZONE 87-20 October 2, 1987 5.0 REFERENCES Mr. Huston T. Carlyle, Jr. Director Office of Planning and Research l400 Tenth Street Sacramento, California 95814 (Letter of August 18, 1987) Persons Contacted: Dr. Floyd Williams, City Geologist Michael Grubbs, Civil Engineering Association, City Public Works Department Consultants: C.H.J. Incorporated M. Kevin Osmum, Staff Engineer 1355 East Cooley Drive Colton, California 92324 (714) 824-7210 clj lO/2/87 misc./doc. intstud87203 r" r"'\ I) '1 APPENDIX A CITY OF SAN BERNARDINO PLANNING DEPARTMENT ENVI RONMENTAL REVIEW COMMITTEE ENVIRONMENTAL IMPACT CHECKLIST , "" A. BACKGROUND 1. Case Number (s) : CHANGE OF ZONE NO. 87~20 Date: 9/18/87 2. Project Description: Change the zone from M...l to C...t1 on a 3.27 acre lot to build office and industrial complex at northwest corner of Mill Street and Allen Street. 3. General Location: AP if 136...251-37 B. ENVIRONMENTAL IMPACTS YES MAYBE NO " - I. 1. Could project change proposed uses of land, as indi- cated on the General Plan, either on project site or within general area? X - - 2. I,ould significant increases in either noise levels, dust odors, fumes, vibration or radiation be gener- ated from project area, either during construction or from completed project other than those result- ing from normal construction activity? X - - 3. Will project involve application, use or disposal of hazardous or toxic materials? X - - 4. Will any deviation from any established environ- mental standards (air, water, noise, light, etc. ) and/or adopted plans be requested in connection with project? X - - 5. Will the project require the use of significant amounts of energy which could be reduced by the use of appropriate mitigation measures? X - - 6. Could the project create a traffic hazard or congestion? X i..", - - , 7 . Could project result in any substantial change in quality, quantity, or accessibility of any portion of region's air or surface and ground water re- sources? X \.. . - ~.- '"'" '-' , ,j ,..... ',,- 8. Will project involve construction of facilities in an area which could be flooded during an inter- mediate regional or localized flood? 9. Will project involve construction of facilities or services beyond those presently available or pro- posed in near future? 10. Could the project result in the displacement of community residents? 11. Are there any natural or man-made features in pro- ject area unique or rare (i.e. not normally found in other parts of country or regions)? 12. Are there any known historical or archaelogical sites in vicinity of project area which could be affected by project? .~ 13. Could the project affect the use of a recrea- tional area or area of important aesthetic value or reduce or restrict access to public lands or parks? '- 14. Are there any known rare or endangered plant species in the project area? 15. Does project area serve as habitat, food source, nesting place, source of water, migratory path, etc., for any rare or endangered wildlife or fish species? 16. Will project be located in immediate area of any adverse geologic nature such as slide prone areas, highly erosible soils, earthquake faults, etc.? 17. Could project substantially affect potential use or conservation of a non-renewable natural resource? 18. Will any grading or excavation be required in connection with project which could alter any existing prominent surface land form, i.e., hill- side, canyons, drainage courses, etc? -- 19. Will any effects of the subject project together or in conjunction with effects of other projects cause a cumulative significant adverse impact on the environment? "- " .....", '.. YES x MAYBE x " NO x x x x x.. x.. x x ~ ..-- , r"\ ~ ATTACHMENT B ( LIQUEFACTION EVALUATION MILL STREET BUSINESS PARK NORTHWEST CORNER OF MILL AND ALLEN STREETS SAN BERNARDINO, CALIFORNIA PREPARED FOR BOYD STREET PROPERTIES JOB NO. 87982-3L C Z 3'7 - .;1.0 - ICHH. -I. """ "'" -, "",,,,'- '- / \.~ ""./ ~- i .c ~.I.~.~. INCORPORATED '- p, O. Box 231 . 1355 E. Cooley Dr., Colton, Calif. 92324 . Phone (714) 824-7210 LIQUEFACTION EVALUATION MILL STREET BUSINESS PARK NORTHWEST CORNER OF MILL AND ALLEN STREETS SAN BERNARDINO, CALIFORNIA PREPARED FOR BOYD STREET PROPERTIES JOB NO. 87982-3L SCOPE During August of 1987, a Liquefaction Evaluation for the proposed Mill Street Business Park, to be located on the northwest corner of Mill and Allen Streets, San Bernardino, County, California, was performed by this firm. The purpose of this evaluation was to assess the liquefaction characteristics of the subject site as they will affect the proposed development. ,.- ~ A Preliminary Soils Investigation of the subject site has also been conducted by this firm, as summarized in C.H.J. Report No. 87982-3 dated August 31, 1987. The report of the Preliminary Soils Investigation should be considered in conjunction with this Liquefaction Evaluation Report. To orientate our investigation at the site, a 3D-scale Site Plan, prepared by Harris Associates, dated March 24, 1987, was furnished for our use. The plan included a proposed development scheme. The location of the site is shown on Index Map "A-l". PROJECT CONSIDERATIONS .r~" ,~ Information furnished this office indicates that the subject 3.0+ acre site will be developed with commercial/light industrial one ,..,-- I"'"' (""\ , -.. Page 2 CHHI. ~. 'C) ....., - Job No. 87982-3L ( andlor two-story structure of wood frame and stucco reinforced masonry or similar type construction. FIELD INVESTIGATION The soil conditions underlying the subject building site for this liquefaction evaluation were explored by means of five exploratory borings drilled to a maximum depth of 51.5 feet below the existing ground surface with a truck-mounted CME 55 drill rig equipped for soil sampling. The approximate locations of our exploratory borings are indicated on the attached Plat (Enclosure "A-2"). Continuous logs of the subsurface conditions, as encountered within the exploratory borings, were recorded at the time of drilling by a staff geologist from this firm. The soils were classified in accordance with the Unified Soil Classification System described in the report. The boring logs are presented on Enclosures "B-1" through "B-S". Representative soil samples were obtained by driving either a split ring sampler or a Standard Penetration Test (SPT) sampler ahead of the boring at selected levels. The number of hammer blows required to advance the sampler a total of 12 inches was noted and recorded on the boring logs. The SPT data (N-va1ues) were used in evaluation of liquefaction potential. Bulk samples of typical soil types were obtained and returned to the laboratory in sealed containers for evaluation. """ -' SUBSURFACE SOIL CONDITIONS , Data from our exploratory borings indicate the soil profile at the si te typically consists of interbedded silty sands and poorly graded sands and sandy silt with random strata of well graded sands and sandy gravel -at depths below 20 feet. Standard penetration test (SPT) data indicate the soils down to a depth of ~ .,~~. ( '.",,-, . '- ,/ Page 3 C.IHJ.~. - '~ -- Job No. 87982-3L approximately 20 feet are in a loose to dense state with the soils below 20 feet in a dense state. Groundwater was encountered at depths ranging from 16 to 18 feet below the existing ground surface. GEOLOGIC CONSIDERATIONS A report by Gary S. Rasmussen and Associates in the immediate area indicated an earthquake of 7.0 on the San Jacinto Fault (1-3/4 miles from the site) can be expected to affect the site. An earthquake of this magnitude translates to a peak ground acceleration in bedrock to 0.59g and a maximum repeatable bedrock acceleration of 0.38g under the site. Additionally, the report indicated a historic groundwater level of five feet should be expected in the area of the site. -- '- LIQUEFACTION EVALUATION PROCEDURE Liquefaction potential has been evaluated using the simplified procedure described in "Ground Motions and Soil Liquefaction During Earthquakes" by H. Bolton Seed and I.M. Idriss, EER1 Monograph, December 1982, and "New Charts for Evaluating Liquefaction Potential Using Standard Penetration or Cone Penetration Tests" by Robert Pyke and Moshen Beikae, TAGA Technical Note 83-03, April 1983. Liquefaction typically occurs when relatively loose to medium dense granular soils below the water table are subjected to strong ground motion. If a saturated sandy soil is subjected to vibrations, it tends to compact and decrease in volume. The tendency to decrease in volume results in an increase in pore water pressure. If the pore water pressure builds up to the point -- ,,-. r o ."",,, """ Page 4 C.HJ.~. '~ .-. Job No. 87982-3L' at which it is equal to the overburden stress becomes zero, the soil loses its liquefied state (Seed and Idriss, 1982). pressure, the effective strength and develops a The method of evaluating liquefaction potential consists of comparing cyclic stresses developed in the soil by earthquake motion to the cyclic stresses that will cause liquefaction of the soil for a given number of cycles. In the simplified procedure, cyclic stresses developed in the soil are calculated from a formula that incorporates ground surface acceleration, total and effective stresses in the soil at different depths (which in turn are related to the location of the groundwater table), non- rigidity of the soil column, and a number of simplifying assumptions. -. Cyclic stresses that will cause liquefaction are related to the relative density of the soil, expressed in terms of SPT b10wcounts (N-va1ues), normalized for an effective overburden pressure of one ton per square foot (Nl)' ".0' A Geologic Report by Gary S. Rasmussen and Associates in the immediate area recommended using a repeatable horizontal ground acceleration of 0.29 for the purpose of calculating the cyclic stresses developed in the soil by earthquake motion. CONCLUSIONS Based on the above information, our calculations indicate the sand and silty sand soils underlying the site from 10 feet to depths of approximately 25 feet satisfy all of the criteria required for liquefaction. These soils are therefore considered to be susceptible to liquefaction. -. i "'""',....... . - Page 5 C.IHI. -11. - '~ Job No. 87982-3L ( Extensive local engineering geology and geotechnical engineering studies indicate that liquefaction may manifest itself as isolated sand boils or localized lateral ground spreading or settlement rather than massive ground failures covering extensive areas. Therefore, the liquefaction might affect isolated foundations or floor areas rather than entire building areas. DISCUSSIONS -<,,-..,. Measures taken to minimize liquefaction potential or to design to accommodate the effects of liquefaction should be based on the probability of the liquefaction phenomenon, type of construction, risk to public safety and other factors. For certain types of structures, this could include ignoring liquefaction in detailed design, while at the same time recognizing that it could occur during the life of the structure, causing damage or possible structural failure. '- The basic approach is to minimize potential risk to public safety from the effects of large earthquakes. The intent is to prevent structural collapse, but it must be recognized that significant damage might occur requiring extensive repair or possibly even demolition of buildings. It should also be recognized that during a seismic event severe enough to induce liquefaction, major damage would most likely be sustained by structures due to causes other than liquefaction. A common solution for liquefaction affecting isolated foundations or floor areas is to support structures on "mat" or "raft" foundations designed to span affected zones. However, this solution is not always practical for low buildings with large interior spans or column spacings. A foundation system comprised l\- '. ,..,.".- f'"", . r-. .""", Page 6 C.HJ.-JJ. ~ ,) Job No. 87982-3L , of a "grid" of grade beams supporting isolated footings and typing the structure together is another method which has been utilized in an effort to withstand the effects of liquefaction. Should the owner elect or be required to design to minimize the effects of liquefaction, foundation systems should be designed to provide support for localized liquefaction. In particular, the foundation support system should be designed to accommodate the potential loss of bearing support in a localized area without immediate catastrophic failure of the entire structure. Foundation systems to accommodate the effects of liquefaction should be designed by an engineer competent in seismic structural design. By this report, it is not intended that a structure be designed as "earthquake proof", or "liquefaction proof". Recognizing that liquefaction or severe seismic events can occur is the first step toward designing a structure which, although it may sustain major structural damage, will allow for a minimum risk to public safety. Settlements, both differential and overall, with subsequent structural distress, will continue to be possible during the seismic event, not to mention the damage incurred by virtue of the ground motion itself. ...... While measures may be required during design and construction to mitigate the possible effects of liquefaction, it should be noted that our experience in the area has indicated that the existing si te conditions of unconsolidated sandy alluvium, shallow groundwater, and potential high repeatable acceleration are present throughout much of the City of San Bernardino. "" .J c' f~ '- c - '- " "', ~ /' " .......; Page 7 C.fHl.-IJ. Job No. 87982-3L We trust this information is sufficient for your present needs. If you should have any questions or comments concerning this information, please contact us at your convenience. Respectfully submitted, C.H.J. INCORPORATED Ill/ / M"1iif ! un, Staff Engineer Robert J. hnson, R.C.E. 27060 Vice Presi ent MKO:mmc Enclosures: Index Map "A-l" Plat "A-2" Boring Logs "B-1" - "B-5" Report dated Gary S. Rasmussen and Assoc. ~' f'. i""" ,'j Page 8 C.[H].~. -.. Job No. 87982-3L -/ LIMITATIONS C. H. J. Incorporated has performed our, services wi thin the limits prescribed by our client, with the usual thoroughness and competence of the engineering profession. C.H.J. Incorporated makes no other warranty or representation, either express or implied. The conclusions and recommendations in this report are based upon data obtained from separated sampling locations and interpolation between them, carried out for the project and scope of services described. It is assumed and expected that the conditions between locations are similar to those encountered at the individual locations. However, it is possible that conditions between sampling locations may vary. Should conditions be encountered in the field that appear different than those described in this report, we should be contacted immediately in order that we might evaluate their effect. ~ - If this report or portions thereof are provided to contractors or included in specifications, it should be understood by all parties that they are provided for information only, and should be used as such. The report and its contents resulting from this investigation are not intended or represented to be suitable for reuse on extensions or modifications of the project, or for use on any other project. -., -,~ c ".... '- ~ '-' ,-. ;"'''. V Enclosure "A-l" ~ Job No. 87982-3L o lfl,l.M"-'V i IU' ,L--...l ,- I . j /-. . I-- ' .,.~; '- .....-J--.--I "', ";Y.:' ,.'....OiH..... 'n/ : I . .IT IR ..;. 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" / ~. , 'l' ". _~,.l-:~~'.-rf~ _ 0 a"lf" ...,ooJ " ,... .... ",._.' '...' , , ,ooer 1000' ~ooo' 4000' o GRAPHIC SCALE INDEX MAP OF MILL STREET BUSINESS PARK NORTHWEST CORNER OF MILL AND ALLEN STREETS SAN BERNARD INO COUfm, CALIFORN IA PREPARED FOR BOYD STREET PROPERTIES BASE MAP: USGS SAN BERNARDINO SOUTH QUAD N w~ \ E s c:::......~..."=~4~::: r c !'""'\ """'I , .I '~ . ~.. j 1 . .. ~ BLDG, 3 ~ I 8-2 . r 1\ ~B-3 1-= vp \ I..J I BLDG. 4 SLOG. 2 ~ 8-4 , I : I , SLOG, I I ~ ~ 8-5 8-'5 I ~ ..... ..J - ~ ...!J ..: ,. ft4'bb ST. ... ,. . ~ EXPLORATORY 80RING LOCATIONS PLAT ". FOR' Boyd Street ENCLOSURE -~ Properties MILL STREET BUSINESS PARK 1l~_?1l NORTHWEST CORNER OF tlILL AND ALLEN STREETS SAN BERNARD INO COmiTY, CALI FORrl IA JOB NUMBER DATE' August 1987 87982 - 3L - - C.~. ..JjJ. INCORPORATFrJ APPE;mIX C C. , , pat.e of (1laQtll uta GOVERNOR'S OFFICE OFFICE OF P'-ANNING ANO RESEARCH 1400 TENTH STREET SACRAMENTO 95814 :) .- " '- GEORGE OEUKMEJIAN CJQVPNOR August 18, 1987 Mr. James F. Penman City Attorney City of San Bernardino 300 North "D" Street San Bernardino, CA 92418 Dear Mr. Penman: ,..- \",... This letter is written in response to your request for clarification of certain questions and issues which have arisen as the city attempts to abide by the conditions imposed in my prior letters of June 11 and July 3. Reference is made to a memorandum from the City of San Bernardino concerning six specific inquiries (copy enclosed). My responses are as follows: Response to Question No.1: The relocation of the 30 existing dwelling units to be condemned by Caltrans may occur to the proposed site if the new site is south of the line established by my prior letters. However, if the site is north of said line then this project may not proceed. Response to Question No.2: The city may provide water service to unincorporated areas outside the city limits but within the city's sphere of influence. Response to Question No.3: My prior correspondence, with specific reference to Condition S(b) of my June 11 letter, deals with this issue and no further clarification is necessary. Response to Question No.4: The General Telephone Company project may proceed if the city can make the appropriate findings that the project is necessary for the public health and safety, particularly in reference to public access to the 911 emergency number so that care and services may be provided to the residents of the city. Response to Question No.5: The Congregate Care Facilities are for profit and are commercial projects in nature and therefore are subject to whatever restrictions, if any, apply to such commercial projects south of said line. ,.-' Response to Question No.6: The rerouting of the existing sewer line due to a Caltrans project is classified as maintenance necessary for existing facilities and may proceed. "-' r o o ..~ ~ Additionally, certain other clarifications are necessary in order to resolve uncertainties over the appropriate direction of certain undertakings. I believe these clarifications to be minor in nature given the original thrust of my two prior letters. First, since certain commercial structures were permitted to be completed on both sides of said line, it naturally follows that if a conditional use permit is required for a certain use in that structure (such as a CUP for a liquor license) then the requested permit may go forward subject to the usual administrative process as if the conditions of the extension were not in effect. Second, since the addition to the Lighthouse for the Blind will be connected to the original building, -it is considered an accessory structure and may be completed. This will necessitate a zone change from R to C, which is also permitted to be processed consistant with the thrust of the immediate prior paragraph. Third, a zone change for the Senior Citizen Center for Perris Hill Park may be processed for the actual physical site of the center only. If approved by the appropriate city entity, the zone change will be from 0 to PF. This center would be located in the park and would not result in any boundary changes to the park. Fourth, the distinction in zones between M to C and C to M and/ or a combination thereof south of said line is, at best, a distinction without much difference, certainly for general plan update purposes. Accordingly, should such zone changes be necessary in conjunction with proposed projects which are permitted to otherwise proceed south of said line, then such zone change requests may also be processed in accordance with the thrust of the prior paragraphs. Finally, I indicated to you that zone changes in redevelopment areas from RI to a greater density use, such as R3, are not to be permitted since, contrary to the effect of the prior paragraphs, such change could result in a higher and distin tively different level of development than the city may wish, on completing its general plan. I . Cor I.ally ~' " &/ to T. ' rector " HTC:ad cc: Marguerite P. Battersby Enclosure -, ~ -"". ~ -' ~ - ._--~. --c.; . C"J 6'ITY OF SAN BERNARplNO - .. ) MEJ\10RANDUM iJ: .-.. / I , f" '- To JAMES 1! . UNMAN City Attorney Unre.olved Questions After 7/3/87 OPR Lotter From Cynthia Grace Deputy City Attorney catl July 15, 1987 Subject ApPl'OYad Cite 700.30-a Since OPR issued ita second letter on July 3, 1987, I have continued to receive requests r,r clarification from developers, staff, and representatives of the utility companies. Numerous questions aeem to remain unresolved after the July 3rd letter. The most persistent of the unresolved q~e8tions can be outlined aa follows. .C (1) (Developer Ray Russell) Mr. Russell owns a 30-unit apartment building on property whicb has been condemned by Caltrana to accomodate the Route 30 right-of-way. Mr. Russell wishes to locate the 30 existing dwelling units to a .' i.te which is just north of the Calttana right-ot-way, and trom ;,; ~8 deacription, immediately contiquous to the Caltrana ri;ht-ot-, way. This is not new construction aince is merely involves the relocation of existing avelling units. However it is re.idential and will require permits to build foundations and connect utilIties. Does it coae within the scope of tbe prohibition ot the OPR conditions? (2) The City continues to receive requests 'for water service in unincorporated areaa which are 9utside the City Limits but within our sphere of influence. Can we provide water ser~ice in the.. areas? /""." (3) I had received calls from a Mr. Bindson who i. proposing to build two structures side by aide, each of which contains SiK dwellinq units. He alao has another project of four dwelling units on a non-contiguou. parcel in the same block. Be .ays that you spoke to Carlyle and advised him (Hindson) that he can build one of th. six unit buildings. Is this true? If 80, why did you refer him to me? Is there 80me further i8sue to be resolved? (4) General Telephone Company wiahes to build a .switching unit. in the .rea north of the line. This waa described to me by a phone company representative aa a -bi9 computer- which will allow people in the service area to have such extra services as called forwarding conference Cal18, !nd call waiting. The phone company representative advised me that the computer will be houaed in a structure wbich require. a building permit. If the City will not allow such a structure to be built, it could be buried, subterrain install~tion is ...... . . ..... A" .111 III --'MI::e4n!l ,,~ .' '- - - ' -('" -- " ~ . J.~.=.,.;.: =-_';'_'- - - ~ ' .. - -- . - - .... - , .... , ." .... . " "~ ,."". technologically and economically feasible. There will be no staff at thl facility. There is an existing facility on 4th and Waterman on the east side. This is probably a PUblic Worke Project but it is not a City Public Works project. Can the City make findings about the private utility company's public work. project? Is it necessary for the publiC health and .ahty? (5) I have continued to receive calla from developers about congregate care facilities for senior citizens. Congregate care usually refera to approximately thr.e difforent types of senior housing. In l~e case s.nior houling is essentially identical to any other type of housing except it haa some Bort of restriction relating to age. Congregate care refers to the type of facility where there is a common dining hall and po.sibly some sort of assiatld service. bat no medical care. Convaleacent hospital refers to the type of senior , houGinq where thor3 is m=dic~l cara of an ongoing nature. The zoning ordinance permits -senior housing- in cOllllllerclal zones, subject to a Conditional Ose Permit. Sen10r housing i. not defined in the zoning ordinance. Is congregate care, licensed or unlicensed, a commercial use for purpo.ea of the OPR time extension? (6) Mr. Moreno has referred to me a queation relating to ~ the rerouting of an exiating ae.er line due to the Caltrana project in the vicinity of 30tb , B (extension of'ollt. 30 fr.eway) Ia this a -maintenance of an existing facility8? The rerouted sewer line will be partly in the area south of the line but it extends into the area north of the line approximately a block and a half. -..."v 4..()",'~ ~y~ ~'-- Cl'NTBIA ODeE Deputy City Attorney CG:ma "" ,-".' ". '-~ ,. f~ .i; ~ i7-" IT "iT I"'" -:.-'" , rl ,: r? I:. l":~ l-r I ~'" ( H ~ i ;,~ "" d L_' D - tl Lid \ t ""If \..../ .' APPEND IX D r- '- FLOYD J. WILLIAMS, Ph.D, ~f:"P ') ') 1qR7 W'\' . A""'''' ,,-,,' "~"'NT ullY Pl ;~,,:>~\.1lJ'::l ;'\11 I h'iC. SAN BEHNARO!NO, CA 130 Sunadge Way Redlands, California 92373 (714) 792,8208 MINING ENGINEER AND REGISTERED GEOLOGIST #2143 MEMORANDUl1 TO: Valerie C. Ross Environmental Review Committee City of San Bernardino SUBJECT: Floyd J. Williams, Registered Geologist Consultant to the City of St9~~~~OK~ September 22, 1987 ~l'r' Review of liquefaction study/geology reports, CZ 87-20 and ROP 87-87, Ernest aarris, your memorandum of September 15, 1987. FROM: DATE: TITLES OF REPORTS REVIEWED: ~ 1. Preliminary soils investigation, Mill Street Businass Park, northwest corner of Mill and Allen Streets, San Bernardino, California. Prepared by C.H.J. Incorporated, dated August 31, 1987. -- 2. Liquefaction evaluation, Mill Street Business Park, northwest corner of Mill and Allen Streets, San Bernardino, California. Prepared by C.H.J. Incorporated, dated August 31, 1987. DISCUSSION: I made a site inspection on September 18. 1987. Together, the two reports review and document the subsurface investigation and the subsequent analysis for liquefaction potential at the site. Five exploratory borings were drilled and logged. Appropriate samples were taken for laboratory testing and standard penetration tests were made at five foot intervals during the drilling. The soil profile at the site consists typically of interbedded silty sands and poorly graded sands and sandy silt with random strata of well graded sands and sandy gravel at depths below 20 feet. Soils from the surface down to a depth of 20 feet are in a loose to dense state with the soils below 20 feet in a dense state. Saturation conditions were encountered at 16 to 18 feet. 00 m@~Uw~ lID SEP 22 1987 -- ClTY i-lAl1~'~::'~G ~[?itR-:MENT SA~J BE~;JMimiliJ. CA /"'~^' r'\ .~ ~ . Memorandum: Ross/Williams, CZ 87-20 and ROP 87-87, Ernest Harris, 9/22/87. """ ) A geologic report by Gary S. Rasmussen and Associates is used to establish a design earthquake for the analysis. A Magnitude 7.0 event on the San Jacinto fault, a peak ground acceleration in bedrock of O.59g, and a maximum repeatable bedrock acceleration of 0.38g are proposed. The mathematical analysis follows procedures of Seed and Idriss, utilizing normalized blow count, soil density data, groundwater levels, and a repeatable horizontal ground acceleration of O.29g. A conclusion of the liquefaction report is that the sand and silty sand soils underlying the site from 10 feet to depths of approximately 25 feet satisfy all of the criteria required for liquefaction. It is further concluded that, "These soils are therefcrp. considered to be susceptible to liquefaction." CONCLUSIONS AND RECOMMENDATIONS: 1. The soil zone from 10 to 25 feet depth beneath the site is susceptible to liquefaction. ,~ 2. The reports meet the requirements of Resolution No. 82- 345 of the City of San Bernardino. - 2 -c-: . '-" APPENDIX E , ~ ", c CITY OF SAN BERNARDINO PLANNING DEPARTMENT AGENDA ITEM # LOCATION CASE PW 87-20 1fr2 HEARING DATE w) .-. .-. ~:l:J du Q .'. "ID c.. .'. N ' ,-. .- . .At IN M'I . M-2 M-2 M-2 .-. H i ~ M-2 ~ .-. '" -I CoM CoM CoM w ~ .-. Ii; 'ffiB CoM -I .. Mo' w ~ .. CoM CoM ! I M-I . M'I C... .-. C M'2 5 . CoM M-I M'I M-I ~ .'. . M-I C'M i CoM M-. CoM . M-' ffi~ M-I CoM CoM M-I n,. " C1 c., C-' M "D' .'. .', M-I ~ :-:1 C.M I ...i I c- M'I M- r . - I 3 i % ~i f. ,-, ^" , ,- '"!- ,~ < . w u. -, ,':,=- ., Il.-?:"' ~'rJ. -...'" ~ ,..:..\:\ .-{l!: \ y . f ~ " ... ~, ~i ~~ "- >, ,; > ~l "' "'-( ".' :\:. . ,"" ,,- * > ~ - ~ -' ~.. ..... \,.~/ . '. ; ~TACHMENT D , CITY OF SAN BERNARDINO PLANNING DEPARTMENT AGENDA ITEM # '- LOCATION CASE __ CZ 87-20 HEARING DATE 11/17/87 2 It.