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�. v <br /> February 27,2002 <br /> Job Number:LG02-048 <br /> Page 8 <br /> Table 4. <br /> Boring Log Summary. <br /> Depth ft B-1 (shallow and deep boring) B-2 I B-3 I B-4 I B-5 I B-6 I B-7 B-8 <br /> 0-5 Brown fine to medium sand,(SP). Brown fine to medium sand,(SP).TD=3 feet.Pere. <br /> Peculation test P-1 set at 3 feet. tests P-2 thru P-8 were set at a depth of 3 feet. <br /> 5-11 Brown fine to medium sand,clean(SP). <br /> 11-14 Brown clean sand,(SP). <br /> 14-21 Light brown silty fine to medium sand(SP). <br /> Ground water depth 15 ft below surface. <br /> 21-25 Light brown silty fine to medium <br /> sand(SP).TD=25 feet. <br /> TD=Total depth of boring. <br /> A 3.0-foot deep percolation test was conducted on each of the proposed eight(8) new <br /> parcels. Each of the percolation test borings were drilled utilizing a 4-inch diameter truck <br /> mounted auger. The casing used for the percolation test was 2-inch diameter PVC pipe with an <br /> open end on the top and bottom. Perforations were made on approximately the last 12 inches of <br /> the casing. Two (2) inches of"pea gravel"was placed in the bottom of the hole, the casing was <br /> " installed, and one(1) foot of"pea gravel"was backfilled in the annular space. The percolation <br /> test borings was pre-soaked 24-hours prior to the test on January 31, 2002. <br /> A one(1) hour percolation test was conducted for each location. Each test was conducted <br /> on February 1, 2002 in accordance with the requirements of San Joaquin County Environmental <br /> Health Division. The last '/i ho of each of the percolation tests were observed by Mr Steven <br /> Shih, Environmental Health Specialist of the San Joaquin County Environmental Health <br /> Division. The following table presents a summary of the percolation tests. <br /> ?pERtO <br /> O � <br /> �'fSOL� <br />