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2.10 CENTRALIZERS <br /> Centralizers shall be composed of plastic or stainless steel. Galvanized steel or <br /> black iron shall not be used. <br /> 1 2.11 WELL PUMP <br /> Well pump shall be Groundfos Rediflo 2, single phase, 230 Volts, stainless steel <br /> submersible pump. <br /> A. Discharge Tubing <br /> Pump discharge tubing shall be polyethylene (PE) or equivalent. Tubing <br /> connections to the pump and to the well cap shall be made with stainless steel <br /> compression fittings. The tubing shall have a stainless steel check valve installed <br /> and at the bottom. <br /> B. Motor Lead <br /> Motor lead wire shall be of appropriate gauge. The length shall be based to the <br /> depth of each well. Lead wire shall be all-in-one, integrated with the safety cable <br /> and have electrical connectors for connection to the pump controller. <br /> C. Safety Cable Bracket <br /> Pump safety cable bracket and cable shall be stainless steel. <br /> D. Well Cap <br /> Well cap shall be of appropriate size to fit the well casing and shall have <br /> connections for the discharge tubing and the lead wire. <br /> PART 3 EXECUTION <br /> 3.01 GENERAL <br /> Groundwater well depths will have at least 15 feet of screen below the groundwater <br /> elevation at each site. The actual well depth will be determined in the field by the <br /> 1 Engineer based on the groundwater level. Contractor shall leave well bores open <br /> for a minimum of 12 hours to allow water level to stabilize before installing the <br /> well. <br /> On-Call Driller RFB 6820 San Joaquin County <br /> Groundwater Monitoring Well Specifications 4 Public Works Dept <br /> Solid Waste Division <br />