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•.•,, LIVE OAK GEO ENVIRONMENTAL, INC. <br /> 407 W. Oak St., Lodi, CA 95240 •:• (209) 369-0375 :• logelodi.com <br /> May 26, 2022 <br /> Project Number: 2229 <br /> Steve Moyer <br /> Mid-Cal Constructors <br /> 3416 Newton Rd. <br /> Stockton, CA 95205 <br /> Regarding: Percolation Testing <br /> Two New Homes for Jat Dhillon <br /> APN 058-110-45 <br /> 3725 / 3661 E. Armstrong Rd., Lodi, CA <br /> Mr. Moyer: <br /> Per your request, Live Oak GeoEnviron mental, Inc. (Live Oak) has completed a percolation test <br /> for the subject Site, located at 3725 and 3661 East Armstrong Road, Lodi (Plate 1). We <br /> understand that you are constructing two houses on the Site for Mr. Jat Dhillon, and the San <br /> Joaquin County Environmental Health Department is requiring the completion of percolation <br /> tests before septic permits can be issued. <br /> Soil Boring <br /> On May 19, 2022, Live Oak excavated two shallow soil borings on the Site for the purpose of <br /> percolation testing. The borings were four inches in diameter, 2.39 and 2.75 feet deep, and <br /> were excavated by hand auger. The locations of the borings are indicated on the attached <br /> Plate 2. <br /> Soil Log <br /> The soil in each boring was observed to be sandy silt to the full depth of the hole. <br /> Preparation and Presaturation of Percolation Test Hole <br /> After the borings were advanced, the test holes were completed for the percolation testing. <br /> Approximately two inches of pea gravel were placed in the bottom of each 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 holes approximately 24 hours prior to the <br /> percolation testing. Each hole was filled with water to a height of 12 inches above the bottom <br /> of the boring for the presaturation. On the day of testing, both holes were found to be intact <br /> and dry. <br /> Environmental Engineering Geology o Geophysics <br />