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l <br /> h'qKLEINFELDrER <br /> An e....A,,.,,,d company <br /> 31 <br /> File No. 20-4585-O1.G01 <br /> November 21, 2001 (revised) <br /> Mr. Bruce Van de Steeg <br /> Sierra View Animal Hospital <br /> 144 S. Davitt Avenue <br /> Oakdale, CA 90274 <br /> Subject: SOILS SUITABILITY AND NITRATE LOADING STUDY <br /> PROPOSED OFFICE BUILDING <br /> 25650 LONE TREE ROAD <br /> ESCALON, CALIFORNIA <br /> Dear Mr. Van de Steeg: <br /> Kleinfelder is pleased to present the results of our soil suitability and nitrate loading study for the <br /> proposed office building to be located near Escalon, California. The purpose of our study was to <br /> determine the suitability of the property for septic tank usage. The study was performed in <br /> general accordance to the requirements of Section 9-10100© of San Joaquin County Ordinance. <br /> The following includes background information regarding the proposed development, present <br /> use of the site, and the historical groundwater depths in the project area. In addition, discussions <br /> regarding our investigative procedures and the site conditions encountered during our field <br /> exploration and the results of percolation tests are presented. Finally, the results of our nitrate <br /> loading calculations and project limitations are provided. <br /> PROPOSED DEVELOPMENT <br /> On a preliminary basis, we understand the subject 1.13-acre project site will contain an <br /> approximate 2,400 square foot office building, equipment storage area, and stormwater retention <br /> pond. At the time of our visit, the site appeared to have been rough graded and had no <br /> vegetation. <br /> We anticipate that waste disposal for the office building will be provided by an individual on-site ARA <br /> sewage disposal system consisting of a septic tank and leach trench disposal field. We anticipate <br /> that disposal trenches may be cut deep in order to intersect suitable percolating soils or shallow <br /> leach lines will lead to seepage pits for disposal of effluent. <br /> HISTORICAL GROUNDWATER DEPTH <br /> According to groundwater reports published by the San Joaquin County Flood Control and <br /> Water Conservation District (Spring 1994 to Spring 1999), high groundwater in the project area <br /> has been recorded at depths in the range of about 75 to 90 feet below ground surface. <br /> 20-4585-Ol.GOI/201 IR602 November 21,2001 <br /> ©2001 Kleinfelder,Inc. Page 1 of 4 <br /> KLEINFELDER 2825 East Myrtle Street,Stockton,CA 95205-4794 (209)948-1345 (209)948-0621 fax <br />