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KLEINFELDER <br /> M emoo�O.'wd r«qmnY <br /> File No. 16796.GOI <br /> July 25, 2002 <br /> Mr. Ralph Timan <br /> 451 Critchett Avenue <br /> Tracy,CA 95304 <br /> Subject: SOILS SUITABILITY AND NITRATE LOADING STUDY <br /> 451 CRITCHETT AVENUE <br /> TRACY,CALIFORNIA <br /> Dear Mr. Timan: <br /> Kleinfelder is pleased to present the results of our soil suitability and nitrate loading study for a <br /> proposed parcel split and new residence to be located at 451 Critehett Avenue in Tracy, <br /> California. The purpose of our study was to determine the suitability of the property for septic <br /> tank usage. The study was performed in general accordance to the requirements of Section 9- <br /> 10100C of San Joaquin County Ordinance. The following includes background information <br /> regarding the proposed development, present use of the site, and the groundwater depth in the <br /> project area. In addition, discussions regarding our investigative procedures and the site <br /> conditions encountered during our field exploration and the results of percolation tests are <br /> presented. Finally, the results of our nitrate loading calculations and project limitations are <br /> provided. <br /> PROPOSED DEVELOPMENT <br /> On a preliminary basis, we understand the subject 41.5-acre project site will be divided into 2 <br /> parcels, one containing the existing residence on approximately 2.41 acres and one containing a <br /> nearly completed residence on the remaining approximate 39.09 acres. The site currently <br /> contains tate two residences along with sheds and a well house. The remaining acreage is <br /> farmed. <br /> We anticipate that waste disposal for the new residence will be provided by an individual on-site <br /> sewage disposal system consisting of a septic tank/leach trench sewage disposal system. <br /> GROUNDWATER DEPTH <br /> During the time of our investigation, groundwater was encountered at a depth of approximately 5 <br /> feet below existing site grade. <br /> • <br /> 16796.0011ST02R278 July 25,2002 <br /> &2002 Kleinfelder,Inc. Page I of 5 <br /> KLE1NFELDER 2825 East Myrtle Street,Stockton,CA 95205-4794 (209)948.1345 (209)948-0621 fax <br />