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LIVE OAK GEO ENVIRONMENTAL, INC. <br /> 407 W.Oak 5t., Lodi, CA 95240 •:• (209)369-0375 logelodi.com <br /> May 8, 2024 <br /> Project Number: 2350 <br /> Rosanna and Dustin Sterni <br /> 22201 N. Cord Rd. <br /> Clements, CA 95227 <br /> Regarding: Percolation Test <br /> APN 023-150-35 <br /> 22201 N. Cord Rd., Clements (80.19 Acres) <br /> Mr. and Mrs. Sterni: <br /> Per your request, Live Oak GecEnvironmental, Inc. (Live Oak) has completed a percolation test <br /> for the subject Site located at 22201 North Cord Road, Clements, California (Plate 1). We <br /> understand that you are constructing a house on the Site (Plate 2), and the San Joaquin County <br /> Environmental Health Department is requiring the completion of a percolation test before the <br /> septic permit can be issued. <br /> Soil Boris <br /> On May 6, 2024, Live Oak excavated a shallow soil boring on the Site for the purpose of <br /> percolation testing. The boring was four inches in diameter, 1.91 feet deep, and was excavated <br /> by hand auger. The location of the boring is indicated on the attached Plate 3. <br /> Soil Log <br /> The soil in the boring was observed to be dark brown clay 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 then <br /> 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 />