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Proposed Soil Boring Backfill and Street Restoration Procedures <br /> Austin Road Landfill <br /> Stockton, CA <br /> Each soil boring advanced by CDM located within street or roadway under the jurisdiction of the <br /> County of San Jouaquin will be backfilled according to the requirements established by County <br /> - of San Jouquin Environmental Health Division Well Standards. At the completion of drilling <br /> and Hydropunch graoundwater sample collectioln the annulus space will be backfilled with a 5% <br /> bentonite-Portland cement mixture. All backfill materials will be applied using a tremie pipe and <br /> will extend from the bottom of the borehole to approximately one foot below the adjacent <br /> pavement grade. Following hardening of the grout, an asphalt patch will be placed from the top <br /> of the grout to the existing pavement surface. <br /> _ CS 010800 <br /> City of Stockton 190855-M <br />