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r <br /> ln KLEINFELDER <br /> An employee owned company <br /> File No.23197.G01 <br /> C <br /> 7 , <br /> September 23, 2003 RE <br /> SEP 2 5 2003 <br /> Mr.Ryan Voorhees <br /> CRV Enterprises,Inc. ENVIRONMtl' ' <br /> 28082 Nichols Road <br /> PERN4ITISEr, :- <br /> Galt, CA 95637 <br /> Subject: ADDENDUM TO SOILS SUITABILITY AND <br /> NITRATE LOADING STUDY <br /> PROPOSED 8-ACRE SUBDIVISION <br /> PETERS, CALIFORNIA <br /> Dear Mr. Vorhees: <br /> Per our conversation with Mr. Seibel on Friday, we understand that the septic leach fields/seepage pits <br /> and the leach field replacement areas required by San Joaquin County Environmental Health Department <br /> (SJCEHD) are going to be split for lots 1B and 2B, with the replacement areas located to the side or rear <br /> of the residences. It is our understanding that the SJCEHD is requiring either additional percolation <br /> testing in these areas or a letter stating that these areas should have passing percolation rates should leach <br /> fields/seepage pits be required in these areas. <br /> Based on the twenty-five percolation tests performed for this and two other subdivisions in the immediate <br /> project vicinity, it is our professional opinion that the proposed replacement areas will yield passing <br /> percolation tests for seepage pits. Virtually all of the percolation tests performed for all three <br /> subdivisions (approximately twenty-five deeper tests performed south, west, and north of the replacement <br /> areas in question) passed SJCEHD percolation criteria at depths of between 6 to 18 feet below existing <br /> site grade. <br /> The conclusions of this report are based on the information provided regarding the existing and proposed <br /> development and on the site conditions. It was assumed that the percolation test results are representative <br /> of the subsurface conditions in the general area. <br /> This completes the scope of work requested. Our work was performed in general accordance with the <br /> standard of care that exists in San Joaquin County. No other guarantee or warranty, expressed or implied <br /> is made. We note that the limitations of our original report dated February 14, 2003 (File No. <br /> 23197.G01)still apply. <br /> Respectfully submitted, ,SQFESS/04 <br /> q <br /> KLEINFELDER, �Px-G LOUT `FZ ?eot <br /> n . <br /> Q <br /> 11. 4089 z <br /> 2 EXP.9-O6 � m <br /> Ronald E. u ser, C. & Clvt� �Q <br /> Staff Profession 9�i or r M cC 1 DepartmentManager <br /> REL:lr <br /> ST03LS36 ®2003 Kleinfelder,Inc. <br /> KLEINFELDER 2825 East Myrtle Street,Stockton,CA 95205-4794 (209)948-1345 (209)948-0621 fax <br />