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Work Description <br /> October 10, 2007 <br /> Subject: Installing 10 piezometers for groundwater depth readings <br /> Depth: 20 feet <br /> Site: Empire Tract and West Eight Mile Road <br /> Location: 13520 West Eight Mile Road, Stockton, CA <br /> Kleinfelder is planning on installing 10 piezometers to a depth of about 20 feet <br /> below site grade along Empire Tract Road at the west end of West Eight Mile <br /> Road and along West Eight Mile Road to Lower Sacramento Road in Stockton, <br /> California. The 20-foot-deep piezometers will be drilled using a Simco 2400 truck <br /> mounted drill rig with continuous, 4'/2-inch diameter, solid-stem auger. 2-inch <br /> diameter PVC-pipes will be used for casing. The pipes in the upper 5 feet are <br /> going to be solid pipes with perforated pipe below that depth. Around the pipes in <br /> the bottom 15 feet will be filled with sand and the upper 5 feet, around the solid <br /> pipe, will be grouted. Upon the completion of our readings in approximately 12 <br /> months, the holes will be grouted with neat cement. It should be noted that <br /> groundwater is expected to be around 45 feet deep in the general area. We <br /> anticipate that groundwater will be encountered in our 20 feet bore holes near <br /> Empire Tract. <br /> Thank you <br /> Saeed Parsa <br /> Staff Engineer <br /> Kleinfelder West, Inc. <br /> Attachment: Site Map. <br />