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RECEIVED <br /> r <br /> COTTON, SHIRES & ASSOCIATES, INC. <br /> MAY - 5 19y� <br /> CONSULTING ENGINEERS AND GEOLOGISTS AWN QF(�$A(T0�tiit(S <br /> aj April 29, 1998 <br /> • L3038 <br /> ATTACHMENT 2. <br /> TO: Suzanne Davis <br /> Planner <br /> TOWN OF LOS ALTOS HILLS <br /> 26379 Fremont Road <br /> Los Altos Hills, California 94022 <br /> SUBJECT: Preliminary Geologic and Geotechnical Review <br /> RE: Lands of Kwong,Major addition and remodel <br /> File #25-978-ZP-SD-GD <br /> 14470 Manuella Road <br /> At your request, we have completed a preliminary geologic and geotechnical review <br /> of the subject property using: <br /> • Geotechnical Investigation Proposed Remodeling and Addition (report) <br /> by Wayne Ting &Associates, Inc., dated February 13, 1998, and <br /> • Site Plans, Architectural plans prepared by Steve Yang & Assoc. <br /> Architects. <br /> In addition, we have reviewed pertinent documents from our office files and <br /> completed a site reconnaissance. <br /> DISCUSSION <br /> Our review of the referenced documents indicates that the applicant is proposing a <br /> major remodel and addition to the existing residence. The existing foundation is to be <br /> modified. by adding piers or underpinnings. A new swimming pool will be constructed <br /> adjacent to the north side of the residence. Our review addresses the geotechnical feasibility <br /> of the project development plan and the adequacy of submitted geotechnical design criteria. <br /> SITE CONDITIONS <br /> The lot is characterized by cut and fill slopes forming the building pad on the <br /> western half of the lot, and a moderately steep (21 percent inclination) west facing slope on <br /> the eastern half of the lot. Very steep (65 to 75 percent inclination) cutbanks and steep (50 <br /> percent inclination) non-engineered fill prisms, associated with abandoned unpaved roads <br /> are located above the existing residence. Site drainage is characterized by sheetflow to the <br /> Northern California Office Southern California Office <br /> 330 Village Lane 5245 Avenida Encinas • Suite A <br /> Los Gatos,CA 95030-7218 Carlsbad,CA 92008-4374 <br /> (408)354-5542 • Fax(408)354-1852 (760)931-2700 •Fax(760)931-1020 <br /> e-mail:losg@csageo.com e-mail:carl@csageo.com <br />