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J . H . KLEI N FELDER & ASSOCIATES <br /> GEOTECHNICAL CONSULTANTS • MATERIALS TESTING <br /> LAND & WATER RESOURCES <br /> 2825 EAST MYRTLE STREET <br /> KTON. CA 95205-4794 <br /> 12 1 7 45 <br /> File No. 20-1077-87 <br /> JUL 4 9 1987 July s, lsa7 <br /> Sari Joaquin <br /> Building inspection <br /> ction Div. nra Ira rr,n�F;;;4 <br /> Mr. Albert Bo etti <br /> Post Office Box 705 <br /> Vernalis, CA 95385 <br /> Subject: PERCOLATION TEST/BOGETTI PROPERTY ENVIROM!ENTAL HEALTH LOCATED WEST OF McCRACKEN ROAD FERMIT/SERVICES <br /> SAN JOAQUIN COUNTY, CA/MS-87-40 <br /> Dear Mr. Bogetti: <br /> As requested on May 29, 1987, a representative of our firm performed a per- <br /> colation test at the subject site located west of McCracken Road between <br /> Greenwood Road and ,laze Road in San Joaquin County, California. <br /> The percolation test hole was hand drilled and set-up on June 29, 1987, by <br /> a representative of our firm. The test hole was excavated to a depth of <br /> approximately 41 inches and 4-inch diameter perforated PVC pipe was inserted <br /> into the test hole. The test hole was then filled to the surface with relati- <br /> vely clean water and left to soak overnight. <br /> On June 30, 1987, a representative of our firm returned to the site to per- <br /> form the percolation test. The test was performed according to San Joaquin <br /> County guidelines and the last 30 minutes was observed by a county health <br /> officer. The percolation test was measured to have a percolation rate of <br /> approximately 1 minute per inch. A copy of the county approved test sheet is <br /> attached to this letter. <br /> If you have any questions or need additional information, please contact <br /> US. <br /> Respectfully submitted, <br /> J. H. KLEINFELDER & ASSOCIATES <br /> / 14 -let '0— <br /> Ron Heinzen, C. E. <br /> AEM:rIs <br /> MD48/Attachment <br /> cc w/Attach.: San Joaquin County Building Inspection <br /> OTHER OFFICES <br /> Walnut Creek•Sunnyvale•San Ramon•Sacramento•Fresno 0 Fairfield•Rohnert Park•Merced•Los Angeles 4 Reno•Las Vegas•St.George,Utah Denver EE] <br />