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3.02 SURFACE COMPLETION <br />A. Contractor shall clean well enclosure housing with high-pressure hot water/steam <br />prior to installation to ensure that it is free of contamination. <br />B. Contractor shall install well enclosure plumb. <br />C. Contractor shall cut the well casing pipe to minimum required height. The well <br />enclosure lid shall open and close smoothly providing space for pump discharge <br />tubing and pump lead wires. <br />D. Contractor shall remove the PVC end caps from the top of the casing and then <br />install well plugs. <br />E. Contractor shall place coarse sand in the annular space between the enclosure <br />and the well casings. The sand shall be placed six inches below the top of the <br />well casings. <br />F. Contractor shall clean cement grout from the well casing and enclosure prior to <br />painting. <br />G. Contractor shall apply the final coat of paint on the enclosure and then shall label <br />the enclosure with the well No provided by the Engineer after installation . <br />H. Contractor shall install bollards plumb. <br />3.03 WELL DEVELOPMENT <br />A. Contractor shall inspect the interior of the casing with down -hole video camera to <br />verify that the casing has not collapsed and that grout has not intruded into the <br />well. <br />B. Prior to development, the Contractor shall allow a minimum 48 hours for the neat <br />cement to set. <br />C. Contractor shall develop groundwater wells within 7 days of completion of that <br />well. <br />D. Well development shall be in the presence of the Engineer. <br />E. Contractor shall not damage the well casing during well development. <br />F. Contractor shall remove any tools or other parts dropped in the well casing. <br />NC -Groundwater Monitoring <br />Well Specifications 12/08/17 Page 8 of 13 San Joaquin County Public Works Dept <br />Solid Waste Division <br />