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• DDJC-Sharpe Groundwater Extraction•Installation Work Plan <br /> LOCKING STEEL CAP <br /> Y <br /> PROTECTIVE STEEL CASING <br /> WELL CASING MINIMUM 2" <br /> WEEP HOLE <br /> / ROUND SURFACE <br /> T'='iTi—iii—iTi—iii—iTi—:•:•:,i —iii—iTi—iTi—iii—iii—T <br /> PROTECTIVE CASING <br /> IRON SLEEVE <br /> 3/4 CRUSHED ROCK <br /> STAINLESS STEEL <br /> CENTRALIZERS <br /> PLACED EVERY <br /> 40 FEET <br /> Pnn SANITARY SEAL <br /> gO–WELL CASING OF TYPE I AND II <br /> 6" `,s. PORTLAND CEMENT WITH <br /> 10' SECTIONAPPROXIMATELY 3 PERCENT <br /> BENTONITE POWDER <br /> X. <br /> BENTONITE SEAL <br /> ------ 2-3 FEET THICK <br /> HYDRATED, PELLETS <br /> SAND BRIDGE <br /> –3 FEET THICK <br /> STAINLESS STEEL ":,r•: „ WASHED, BAGGED, #30 <br /> CENTRALIZERS <br /> G l ,� TOP AND BOTTOM <br /> t7 <br /> OF SCREEN <br /> o WELL SCREEN FILTER PACK <br /> Q� 6" STAINLESS STEEL ^ ry EMPLACED FROM TOTAL <br /> FLU <br /> / SH THREADED DEPTH TO 1-2 FEET ABOVE <br /> 1( <br /> I 010 OR .020 SLO THE TOP OF SCREEN <br /> S� (TO BE DETERMINED WASHED, BAGGED, ROUNDED <br /> / BY LITHOLOGY) SIZE DEPENDENT UPON <br /> SCREEN SLOT SIZE <br /> WELL CAP <br /> 6" STAINLESS STEEL <br /> 51 FLUSH THREADED <br /> �—�--— NOT TO SCALE <br /> I Pile Name:D027/weldasaldwg 1771/99 <br /> N <br /> � Figure 3-1 <br /> Typical Extraction Well Design <br /> S� I GWEWINST.DOC 5 1 December 1999 <br />