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LIVE OAK GEO ENVIRONMENTAL, INC. <br /> 407 W. Oak St., Lodi, CA 95240 •: (209) 369-0375 :• logelodi.com <br /> May 6, 2022 <br /> Project Number: 2202 <br /> Miguel Angel Silva <br /> P.O. Box 1306 <br /> Manteca, CA 95336 <br /> Regarding: Percolation Test <br /> APN 021-030-35 <br /> 25726 N. Fuhrman Rd., Acampo, CA (4.85 Acres) <br /> Mr. Silva: <br /> Per your request, Live Oak GeoEnvironmental, Inc. (Live Oak) has completed a percolation test <br /> for the subject Site, located at 25726 North Fuhrman Road, Acampo (Plate 1). We understand <br /> that you are constructing a house on the Site, and the San Joaquin County Environmental <br /> Health Department is requiring the completion of a percolation test before septic permits can <br /> be issued. <br /> Soil Boring <br /> On May 4, 2022, Live Oak excavated a shallow soil boring on the Site for the purpose of <br /> percolation testing. The boring was four inches in diameter, 2.01 feet deep, and was <br /> excavated by hand auger. The location of the boring is indicated on the attached Plate 2. <br /> Soil Log <br /> The soil in the boring was observed to be sandy clay to a depth of six inches below ground <br /> surface, followed by sandy silt to the full depth of the hole. <br /> Preparation and Presaturation of Percolation Test Hole <br /> After the boring was advanced, the test hole was completed for the percolation testing. <br /> Approximately two inches of pea gravel were placed in the bottom of the open soil boring, <br /> followed by a 2.0-inch diameter PVC pipe with perforations on the bottom. Pea gravel was <br /> then used to backfill a few inches of the annular space. <br /> Live Oak presaturated the percolation test hole approximately 24 hours prior to the percolation <br /> testing. The hole was filled with water to a height of 12 inches above the bottom of the boring <br /> for the presaturation. On the day of testing, the hole was found to be intact and dry. <br /> Environmental Engineering Geology . Geophysics <br />