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1.04 <br /> F <br /> ) Percolation testing was conducted in the locations illustrated on the Tentative Map found <br /> pendix C. These test locations maintains sufficient distance requirements between wells, <br /> rty lines, etc. The following information describes the preparation of the percolation test <br /> boring and the actual percolation testing: <br /> (§ 6.2,6.3 and 6.5) On September 30, 2008, 0800 hrs, shallow perc test borings of 42 inches <br /> were hand-drilled on proposed Parcel 1 and proposed Parcel 2. The sidewalls of the shallow <br /> borings were scored with a pry-bar and the loose material removed. Two inches of fine gravel <br /> was placed at the bottom and a three-inch perforated PVC pipe was inserted into each test boring. <br /> The borings were then pre-saturated at 0900 hrs with 12 inches of clear water. <br /> (§ 6.4) On October 1, 200$ 0800 hrs, percolation testing commenced. There was no standing <br /> water after the 24-hour soak period in the perc test borings due to the sandy-silty type soil, as <br /> illustrated in Table 1 below. Consequently, EHD Perc Test Procedure#2 was conducted for both <br /> test borings. <br /> The last half hour of the test was witnessed by Ted Tasiopoulos, R.E.H.S. of the San Joaquin <br /> County Environmental Health Department. The maximum acceptable perc rate is 60 min/in for <br /> shallow perc tests. <br /> (§ 5.4 and 6.8) The following Table illustrates the proposed Parcel number, septic system <br /> structure to be installed based on the depth of the passing perc rate, proposed acreage, post soak <br /> period status and perc test results for the respective perc test. <br /> TABLE 1 <br /> PERCOLATION TEST RESULTS AND RELATED DATA <br /> PROPOSED PARCEL PROPOSED SHALLOW PERC TEST POST SOAK PERC TEST <br /> POTENTIAL SEPTIC ACREAGE DEPTH PERIOD RESULTS <br /> SYSTEM STRUCTURE STATUS <br /> Parcel 1 44.8±Acres--- 42 INCHES`__ No Standing 7.3 min/in <br /> 96 Foot Leachliries Per Water in Hole <br /> Bedroom. -- <br /> Parcel 2 2.7±Acre's 42 INCHES•:,••'� No Standing 7.7 min/in <br /> W Foot Leachliw per Water in Hole <br /> (§ 4.0) LOCAL GROUNDWATER AND SURFACE WATER <br /> INFORMATION <br /> (§ 4.1) the 1999 Lines of Equal Depth Map published by the San Joaquin County Flood Control <br /> illustrates the groundwater depth to be approximately 25 feet below ground surface (b.g.s.). The <br /> 1999 Lines of Equal Elevation Map illustrates the groundwater directional flow to be most likely <br /> in a northerly direction. <br /> Page -1- <br /> Chesney Consulting <br />