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08/16/01 THU 16:53 FAX Q002 <br /> N/ \� <br /> KLE1NFELDER <br /> An employ«,owned ctmipany <br /> File No. 20-4630-07.G01 <br /> August 16, 2001 <br /> SEP 1 0 2001 <br /> Mr. l�arbans Sala ENVIRONMENT HEALi H <br /> PERMIT/SERMES <br /> 2001 Fortune Drive <br /> San Jose, California 95131 <br /> Subject: SOILS SUITABILITY STUDY <br /> 15051 S. HIGHWAY 99 EAST FRONTAGE ROAD <br /> NTANTECA,CALWORNIA <br /> Dear Mr.Bola: <br /> Kleinfelder is pleased to present the results of our soil suitability and nitrate loading study for the <br /> subject project located near Manteca, in San Joaquin County, California. The purpose of our <br /> study was to determine the suitability of the property for septic tank usage in general accordance <br /> to the requirements of Section 9-10100x,0 of San Joaquin County Ordinance. The following <br /> includes background information regarding the proposed development, present use of the site, <br /> and historical groundwater depths in the project area. In addition, discussions regarding our <br /> investigative procedures, the site conditions encountered during our field exploration, and the <br /> results of percolation tests are presented. Finally, the results of our nitrate loading calculations, <br /> drainage basin recommendations,and project limitations are provided. <br /> PROPOSED DEVELOPMENT <br /> Can a preliminary basis, we understand that a small corninercial building will be constructed on <br /> the subject 1.68-acre site. The building will be serviced by a conventional leach trench/septic <br /> tank disposal system that wall be located in the northeast portion of the site. A shallow detention <br /> basin will be located in the western portion of the site. We understand that fixtures disposing <br /> into the leach field will consist of I commode and i sink and drat a maximurn of 4 employees <br /> will occupy the building each day for an g hour period- Given the soil conditions encountered, <br /> we anticipate the disposal trenches will be relatively shallow(3 to 4 feet below site grade). <br /> PRESENT USE OF THE SITE <br /> At the time of our field exploration, the project site was essentially level and enclosed by a <br /> chain-link fence. A majority of the site was covered by gravel. An abandoned building was <br /> located in the west-central portion: of the site. A power pole, pressure tank, and water well were <br /> located adjacent the north-central perimeter of the site. The site was bound by Lathrop Road to <br /> 20-4630-0 EGO 1/20118986 Pzge I of <br /> Copyright 2001 Kleinfelder,Inc. August 16,2001 <br /> KLCINFLLDsR 2825 Last MyXl Sh 1,5Lv_ktv,i,CA 95205-4794 (2091 946-1345 ('209)946-0621 (ax <br />