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Construction Notes <br />Triple- HDPE Probe Soil Gas Well MWAA <br />Corral Hollow Sanitary Landfill <br />PART 1 - GENERAL <br />Unless otherwise noted, construction shall be as identified in the Request for Proposal of <br />Triple Probe Soil Gas Well Installation Specifications as previously received. <br />PART 2 - MATERIALS <br />2.01 Pipe and Fittings <br />A Probe pipe shall be SDR 11 High Density Polyethylene (HDPE) continuous length <br />pipe. <br />B Probe Valve shall be a Stopcock Valve, comprised of PVC, brass or stainless <br />steel. Probe Valve shall be provided with hose barb x male pipe thread fittings. <br />Probe valve shall be Harrington Industrial Plastics, Hayward Industrial Products, <br />part number LC12, or equivalent. <br />C Compression Coupling Adaptor: <br />1 Shall be comprised of plastic materials, rated for a minimum 150 psi @ 68 <br />deg F, sized for the pipe to which it is attached. <br />2 Shall provide an air -tight seal using a rubber or other flexible ring member <br />3 Shall be Alprene Series 731(Normac) CCxFT Female Adaptor. <br />D Probe End Cap (bottom of well) shall be schedule 40 polyvinyl chloride (PVC). <br />2.02 Steel Channel shall be solid hot -dipped galvanized single channel, Tolco Style A-12 or <br />equivalent. <br />2.03 Cushion pipe clamp shall be comprised of a metal clamp band and plastic insert, sized <br />for the supported pipe. Pipe clamp shall be constructed to allow tightening with screw <br />or other common hand tool. Plastic insert shall firmly support the enclosed pipe. <br />Cushion pipe clamp shall be Tolco Cushion Clamp series 039923. <br />2.04 Probe pipe weight shall be minimum 20 Ib in weight with dimensions shown on the <br />drawings. Probe pipe weight shall be two steel #18 reinforcement bars, securely <br />bound, or equivalent. <br />PART 3 - INSTALLATION <br />3.01 Definitions <br />A For the purpose of this inspection, "construction" means placement of any material <br />in the well bore after drilling. <br />B "Engineer" refers to the representative of the San Joaquin County Public Works <br />Department. <br />HDPE Soil Gas Monitoring Well Specs 1 San Joaquin County -Public Works <br />Corral Hollow Sanitary Landfill Solid Waste Division <br />Revised March 13. 2008 <br />