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Project No. 1671-01 <br />Job Name Castello Estates <br />FIELD PERCOLATION TEST RESULTS <br />Percolation Test 1, TP-1 Percolation Test 2, TP-1 Percolation Test 3, TP-1 <br />Test Depth: 12 inches Test Depth: 8 inches Test Depth: 12 inches <br />Time Drop Refill Time Drop _Refill Time Drop Refill <br /> 9:00 START 6.0 - 9:02 START 6.0 9:04 START -6.0 <br /> 9:30 3.3 6.0 9:32 4.0 6.0 9:34 2.6 6.0 <br /> 10:00 2.8 6.0 10:02 3.3 6.0 10:04 2.1 6.0 <br /> 10:30 2.3 6.0 10:32 2.8 6.0 10:34 1.9 6.0 <br /> 11:00 2.3 6.0 11:02 2.7 6.0 11:04 1.9 6.0 <br /> 11:30 2.2 6.0 11:32 2.7 6.0 11:34 1.8 6.0 <br /> 12:00 2.2 6.0 12:02 2.7 6.0 12:04 1.9 6.0 <br /> 12:30 2.1 6.0 12:32 2.6 6.0 _ 12:34 1.8 6.0 <br /> 13:00 2.1 END 13:02 2.6 END 13:04 1.8 END <br /> MPI 14.3 MPI 11.5 MPI 16.7 <br />Based on the procedure established by San Joaquin County, the percolation rate was calculated by <br />considering the smallest reading change observed during the test (Section VII, Procedure 3). These <br />percolation tests were performed by Holdrege & Kull under the guidelines accepted by the San Joaquin <br />County Department of Environmental Health. The results above reflect actual field results. Percolation tests <br />were conducted under the supervision of a registered engineer or engineering geologist from our firm and <br />were periodically observed by a representative of the San Joaquin County Public Health Services <br />Environmental Health Division. <br />Test conducted by J. D. Riley Supervised by Rob Fingerson <br />Title Staff Geologist Registration No. R.C.E. 59813 <br />Date July 16, 2002 County Rep. Steve Shih <br />Client Castello Estates