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J . H . KLEINFELDER & ASSOCIATES <br /> GEOTECHNICAL CONSULTANTS • :MATERIALS TESTING <br /> LAND & WATER RESOURCES <br /> 2,925 ;.,ST MYRTLE STREET <br /> STOCK ON. CA 95205-3794 <br /> 2091 948-13 4 5 <br /> File No. 20-1100-87 <br /> June 30, 1987 <br /> Mr. Ylark Martinez <br /> 1935 Elmwood Avenue <br /> Stockton, CA 95204 <br /> Subject: PERCOLATION TESTS <br /> PROPERTY LOCATED ON ALPINE ROAD <br /> SAN JOAQUIN COUNTY, CALIFORNIA <br /> LA-87-42 <br /> Dear Mr. Martinez: <br /> As requested on May 5, 1987, a representative of our firm performed one <br /> percolation test at the subject site located on Alpine Road just north of Live <br /> Oak Road in San Joaquin County, California. <br /> The percolation test hole was drilled and set-up on May 28, 1987, by Mark <br /> Martinez. Two-inch inside diameter slotted PVC pipe was inserted into the <br /> boring and pea gravel was poured around the pipe to the surface. The test hole <br /> was then filled to the surface with relatively clean water and left to soak <br /> overnight. <br /> The following day, May 29, 1987, a representative of our firm returned to <br /> the site to perform the percolation tests. Tests were performed according to <br /> San Joaquin County guidelines. The percolation test hole was measured to have a <br /> percolation rate of 43 minutes per inch. <br /> We trust this letter presents the information requested at this time. If <br /> you have any questions regarding this project, please contact us. <br /> Respectfully submitted, <br /> J. H. KLEINFELDER BSc ASSOCIATES <br /> CSL V� �.l GZ�1L.• <br /> Ron Heinzen, C. E. <br /> A E:VI:rls <br /> MD48/Attachment <br /> cc w/Attach.: San Joaquin County Building Inspection Department <br /> OTHER OFFICES �• <br /> Walnut Creek •Sunnvvale 0 San Ramon•Sacramento•Fresno•Fairfield•Rohnert Park•Merced•Los Angeles•Reno•Las Vegas•SL George.Utah•Denver <br />