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k" K L E I N F E L D E R _ <br /> An employee owned crmparlr I--- <br /> File No. 20-4630-O1.Go1 OCT 2 5 2001 <br /> August 16, 2001 <br /> ENViR0NI1v1,E1'�T HL;_:ALTH <br /> PERMii?i =~iiiii. S <br /> Mr. Harbans Bola <br /> 2001 Fortune Drive <br /> San Jose, California 95131 <br /> Subject: SOILS SUITABILITY STUDY <br /> 15051 S. HIGHWAY 99 EAST FRONTAGE ROAD <br /> MANTECA, CALIFORNIA <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 9-101000 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 /> On a preliminary basis, we understand that a small commercial 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 will 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 1 commode and 1 sink and that a maximum of 4 employees <br /> will occupy the building each day for an 8 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 /> 204630-01.G01/201 I R986 Page 1 of 5 <br /> Copyright 2001 Kleinfelder,Inc. August 16,2001 <br /> KLEINFELDER 2825 East Myrtle Street,Stockton,CA 95205-4794 (209)948-1345 (209)948-0621 fax <br />