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�J. "x ';r A '.?'• dJd, A Fa.• t'{. k •5n�. <br /> j.7 <br /> r <br /> rww <br /> 6"THK.CONCRETE <br /> 2 <br /> PAO <br /> 4" <br /> STANDARD CN1-248 <br /> `Yr <br /> 12" OR EQUIVALENT VAULT BCrX <br /> 12" <br /> PLAN <br /> --6"THK.CONCRETE PAD <br /> EXISTING GRADE <br /> STANDARD CNI-208 <br /> OR EQUIVALENT VAULT BOX <br /> LOCKING <br /> WELL CAP <br /> HOLLOW STEM AUGER BOREHJLE <br /> _. CEMENTSEAL <br /> 2-INCH BLANK PVC CASING, <br /> FLUSH THREADED SCHEDULE 40 <br /> „ BENTONITE PELLET SEAL <br /> NOTE:EXISTING RIVETS IN CNI VAULT BOX <br /> ARE TO BE REMOVED AND REPLACED WITH <br /> 3-C1/4'BOLTS EXTENDING OUTWARD INTO <br /> CONCRETE PAD FOR ADDITIONAL SUPPORT. <br /> 2'NCH SLOTTED PVC CASING, <br /> FLUSH'(HREADED SCHEDULE 40 <br /> CLEAN IMPORTED SAND <br /> �--�PVC BOTTOM CAP <br /> E TION NOT TO SCALE <br /> Figure 4. 'typical Munih►ring Well Construction <br />