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LIVE OAK GEO ENVIRONMENTAL, INC. <br />407 W. Oak St., Lodi, CA 95240 •:• (209) 369-0375 s• logelodi.com <br />April 26, 2022 <br />Project Number: 2225 <br />Todd Hosmer <br />H&D Homes <br />4826 Golden Foothill Parkway, Unit 5 <br />EI Dorado Hills, CA 95762 <br />Regarding: Percolation Test <br />Herrin Property <br />APN 003-100-40 <br />795 W. Brovelli Woods Ln., Acampo, CA (21.08 Acres) <br />Mr. Hosmer: <br />Per your request, Live Oak GeoEnvironmental, Inc. (Live Oak) has completed a percolation test <br />for the subject Site, located at 795 West Brovelli Woods Lane, Acampo (Plate 1). We <br />understand that you are constructing a house on the Site, and the San Joaquin County <br />Environmental Health Department is requiring the completion of a percolation test before <br />septic permits can be issued. <br />Soil Boring <br />On April 24, 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, 2.17 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 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 />