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f <br /> PROCEDURE GUIDELINES <br /> -Insert 1/2 plastic pipe into DWA prior to pumping cement. Make sure you hit bottom and <br /> pull up pipe approximately 5 ft to allow cement to pump in freely. <br /> • Pump Neet Cement (Portland) into 1/2 plastic pipe and fill to the top of pipe. <br /> • Over drill around the Deep Well approximately 5 ft down. <br /> • Fill over drill portion with concrete mix about 2 ft thick to form a mushroom cap on top of <br /> the over drilled Deep Well. <br /> • Backfill with native soil the remaining 3 ft; ensure local compaction requirements are <br /> met with backfill material. <br /> BACKFILL <br /> 31 <br /> 5 <br /> CONCRETE <br /> MUSHROOM <br /> CAP <br /> 2 PLASTIC <br /> PIPE <br /> DEEP WELL <br /> MINIMUM 50' <br /> DEPTH <br /> 1 <br /> -5' <br /> FROM <br /> BOTTOM <br /> i <br /> ADE: DEEP WELL DEACTIVATION °: <br /> SUPV: ADDRESS NOTIF: <br /> REP: OTHER: <br /> PLNR: CITY SHT: SHEETS <br /> SCALE: DATE: PACIFIC GAS AND ELECTRIC COMPANY PM: REV. <br />