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0$/19/2003 08:19 FAX 209 9480021 Q004 <br /> K L E I N F E L D E R <br /> of the four hour period is recorded and used to caicuiate the percolation rate in nt tes per inch. <br /> The estimated percolation rates are summarized below. A copy of our field perco -ricn test <br /> results signed by a representative from SJC/EID is attached. <br /> ' Tese.N> inber , :I}enFz,. eat: '-Perco�atiatt Rizte m <br /> 1` lI1:LlACt1 <br /> Parcel l 7.5 11.9 I <br /> Parcell 6.5 _,5 <br /> _ Parcel 3 1 7.0 10-1 -I <br /> Parcel 6.5 10.4 i <br /> CONCLUSIONS <br /> The results of our percolation tests indicate that a convectional septic tank/leach trc acl I sewage <br /> disposal system with seepa;e pits should adeclately serve the proposed deve.;opment. Tile <br /> seepage pits should extend to the sandy soils under-+y-:ng the site that were encounter ec :t depths <br /> ranging from about 6.5 to 7.5 feet below site grade. <br /> I.aUTATIONS <br /> The conclusions of this report are based on the information provided :eryardin, tLe ::xi!zng and <br /> proposed development and on the site conditions. It was assumed that the percolation tee,results <br /> are representative of the subsurface conditions in he general area. As previously mE Ztioned, <br /> nitrate and DBCP testing was previously performed by others. <br /> This completes the scope of work requested. Our work was performed in gene:-al accordance <br /> with the standard of care that exists in San Joaquin County. No other guarantee or warranty, <br /> expressed or implied, is made. <br /> Respectfully submitted, <br /> Q Q�OfESs/�N <br /> 10-EINFELDER,IN ,vQ``' ���C LOU Revicwcd by- <br /> C? lx'_ <br /> A Na.640890.9-06 <br /> 03 r" CR4 <br /> ? a �3FE5SI�,y <br /> 15, <br /> F ?? <br /> _ 'sTr, �^ h0. 2186 r m <br /> Ronald E. outz ser. C.E. Of CAt�E� Patrick C. DeII, G.E. W Ext. 3.31-04 ) <br /> _ Staff Engineer Senior Engin= Lf�% kfGreV��cP��\ <br /> REL:lr <br /> Attachments <br /> 25208.G01/ST03R716 vlay 5,2003 <br /> 2003 K16nfeldcr,Inc. Page 3 of 3 <br />