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4 � <br /> 09/18/2002 08:46 FAX 209 9480 R003/004 <br /> k'q KLEINFFLDER <br /> location are as summarized below. A copy of our field percolation test results for P-1 and P-2, <br /> along with a pian showing the approximate test hole locations, are attached. <br /> P-1 3.2 125 <br /> P-2 9.5 1.5.6 � <br /> P-3 25 25 <br /> The above test results and our observations indicate that the percolation, characteristics of the <br /> upper clays and silts will not meet the rainimum SJCPHS percolation criteria (minimum 60 <br /> minutes/inch or faster) for on-site sewage disposal. The percolation characteristics of the <br /> underlying silty sand encountered at a depth of about 9 feet below site grade satisfies SJCPHS <br /> criteria_ Accordingly, sewage leach trenches should either extend as required into the silty sand <br /> stratum or shallow trenches connected to seepage pits that extend into the silty sand will be <br /> required. <br /> This completes the scope of work requested. Our work was performed in general accordance <br /> with the standard of care that exists in San Joaquin County. No other guarantee or warranty, <br /> expressed or implied is made. If you have any questions or if we, can be of further',assistance, <br /> please contact our office_ <br /> Respectfully submitted, <br /> w�9(�6fE5S101V� <br /> 9 <br /> KLEEWWE �� GU[�F <br /> No. 22 M � <br /> G.E. <br /> cal.Department & �� <br /> GH :lr <br /> Attachment <br /> 20318/ST02R412 August 23,2002 <br /> d 2442 k1einfelder,Inc. Page 2 of 2 <br /> i <br />