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LIVE OAK GEO ENVIRONMENTAL, INC. <br /> 407 W. Oak St., Lodi, CA 95240 ❖ (209)369-0375 ❖ logelodi.com <br /> April 19, 2022 <br /> Project Number: 2224 <br /> Fabiola Garcia <br /> 214 E. Tokay St. <br /> Lodi, CA 95240 <br /> Regarding: Percolation Test <br /> APN 063-080-24 <br /> 10350 E. Harney Ln, Lodi, CA (20.0 Acres) <br /> Ms. Garcia: <br /> Per your request, Live Oak GeoEnviron mental, Inc. (Live Oak) has completed a percolation test <br /> for the subject Site, located at 10350 East Harney Lane, Lodi (Plate 1). We understand that <br /> you are constructing a house on the Site, and the San Joaquin County Environmental Health <br /> Department is requiring the completion of a percolation test before septic permits can be <br /> issued. <br /> Soil Boring <br /> On April 12, 2022, Live Oak Live Oak excavated a shallow soil boring on the Site for the <br /> purpose of percolation testing. The boring was four inches in diameter, 2.72 feet deep, and <br /> was 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 1.5 feet, followed by silty <br /> clay with sand 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 /> Percolation Test Procedure <br /> Live Oak conducted the percolation test for the boring on April 13, 2022. Percolation test <br /> procedures conformed to San Joaquin County Environmental Health Department policy. <br /> Environmental ❖ Engineering Geology ❖ Geophysics <br />