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Soil Borings <br /> On March 28, 2013, Live Oak excavated a shallow soil boring on each of the two <br /> proposed numbered parcels on the Site for the purpose of conducting percolation tests. <br /> The borings were four inches in diameter, 3.15 and 3.21 feet deep, ar�were ex avated--- <br /> by hand auger (Table 2). The locations of the borings are indicated n Plate 9. <br /> Tfa_spil in the borings was similar to that described by the Soil Survey. Clay was <br /> /encountered to the full depth of both holes. The log for the soil borings is presented in <br /> Plate 10. <br /> Discussion of Soil Lithology <br /> Based on the soil observed in the boring, there appears to be some potential for <br /> percolation in the test location. Sandy soils generally have a much greater potential for <br /> percolation than fine-grained or cemented soils. However, a percolation test is the only <br /> accepted method for determining the suitability of the soils for a septic disposal area. <br /> Percolation test results are discussed in the following section. <br /> Percolation Test <br /> A shallow percolation test was conducted on each of the two proposed parcels on the <br /> Site. The soil borings discussed above were used for the percolation test holes (Plate <br /> 9). Percolation test procedures conformed to San Joaquin County Environmental <br /> Health Department policy. <br /> Preparation and Presaturation of Percolation Test Holes <br /> After the borings were advanced by hand auger and the soil logged, the test holes were <br /> completed for the percolation tests. Approximately one inch of pea gravel was placed in <br /> the bottom of each open soil boring, followed by a 1.5-inch diameter PVC pipe with <br /> perforations on the bottom. Pea gravel was then used to backfill a few inches of the <br /> annular space. <br /> Live Oak presaturated the percolation test holes approximately 24 hours prior to the <br /> percolation tests. Each hole was filled with water to a height of 12 inches above the <br /> bottom of the boring for the presaturation. On the day of testing, the holes were found <br /> to be intact and dry. <br /> Percolation Test Procedure <br /> Live Oak conducted the percolation tests for the borings on-fu�arch 2 Due to soil <br /> conditions observed, four-hour tests were selected. Water-tevet measurements were <br /> taken every 3minutes during this four-hour period. The last half hour of the test was <br /> LOGE 1304 Page 6 <br />