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GEOTECHNICAL AND ENVIRONMENTAL CONSULTANTS <br />I N C O R P O RATE D MATERIALS TESTING <br />Project No. <br />__ 4291-W2 <br />July 17, 1997 <br />(Revised October 9, 1997) <br />(Revised October 22, 1997) <br />Mr. Richard Sohin <br />Presley Homes c#f Northern California <br />800 Clayton Road <br />.Clayton, CA 94517 <br />Subject: I*aurel Creek Estates <br />Pleasanton, California <br />)f~AUREL CREEK ESTATES PLAN OF CONTROL <br />Reference: >~erlogar Geotechnical Consultants, Inc., Geotechnical Investigation, Laurel Creek, <br />Foothill Road, Pleasanton, California, September 17, 1990. <br />Dear Mr. Sohn: <br />ENGEO Incorporated is pleased to provide a Plan of Control for Laurel Creek Estates Geologic <br />Hazards Abatemlent District (GRAD). The purpose of the GRAD is to provide recommendations and <br />- maintenance gu~~delines for certain specified geologic hazards. This Plan of Control was developed <br />based upon the '.findings of the above referenced geotechnical report and on our experience from <br />GHADs established on nearby properties. <br />We assume that'. a geologic map was prepared during the mass grading operations. In addition, as- <br />graded plans should be made available showing the limits of identified landslides not mitigated by <br />- the developmenx, landslide repairs and slope stability mitigation efforts. These documents should be <br />provided to the SHAD for use in future administration, maintenance and monitoring. <br />We appreciate the opportunity to have worked with your office on this project. If you have any <br />questions regarding the findings of the Plan of Control, please do not hesitate to contact us. <br />Very truly yours, <br />ENGEOINCORl.PO TED <br />Brian Flaherty <br />C.E.G. 1256 <br />bf/jf:ghad <br />Reviewed by: <br />Uri Eliahu <br />2401 Ctow Canyon Road • Suite 200 • San Ramon, CA 94583-1545 • (510) 538-1600 • Fax (510) 838-7425 <br />E-mail: engstaffQengeo.com • WWW: http://www.engeo.com <br />