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November 24, 1999 <br /> Job Number: 599272 <br /> Page 7 <br /> should be avoided. Based on the results of the percolation test, the leach line trenches for the 5 <br /> acre parcel septic field should be set to a depth of 3 feet (below original ground surface). This <br /> will provide a satisfactory percolation rate while maintaining an 8 to 9 foot separation between the <br /> bottom of the leach line trench and "high'groundwater_ We recommend the design of the septic <br /> system follow the San Joaquin County"Sewage Standards" criteria. <br /> VHL LIMITATIONS <br /> The conclusions of this report are based on the information provided regarding the <br /> existing and proposed development, the use of the subject property, and the site conditions as <br /> they existed at the time we excavated our test hole and performed the percolation test. It was <br /> assumed that the test hole and percolation test results are representative of the subsurface <br /> conditions in the general area. <br /> Our professional services were performed, our findings obtained, and our conclusions <br /> proposed in accordance with generally accepted engineering principles and practices. This <br /> warranty is in lieu of all other warranties either expressed or implied. Test findings and <br /> statements of professional opinion do not constitute a guarantee or warranty, expressed or <br /> implied. <br /> D GFOI <br /> �,���• f ON Very truly yours, <br /> rc 4 Oy "{ NEIL O. ANDERSON & ASSOC., INC. <br /> • No. 6884 • <br /> 04-00 <br /> pF CgL�F <br /> David Welch, M.Sc. <br /> Registered Geologist, No. 6884 <br /> 4. <br /> Nei . An son, President <br /> tP ��`� Registered Geotechnical Engineer, No. 2245 <br /> NOA:djw �'�1� 7,ECN� ®Q`� <br /> [s99272.rpt] ®f CA�� <br /> ?pER50 <br /> O 't <br /> �JSOG\ <br /> f <br />