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• <br /> TI W.t. CrICRETE <br /> SIDEWALK SECTION <br /> STANDARD Ci JI-208 <br /> OR EQUIVALENT VAULT BOX <br /> ELAN <br /> 4-TI-JK.CONCRETE PAD <br /> EXISTING GRADE <br /> STANDARD CNI-208 <br /> OR EQUIVALENT VAULT BOX <br /> LOCKING <br /> WELL CAP <br /> HOLLOW STEM AUGER BOREHOLE <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 /> - <br /> ARE TO 13E REMOVED AND REPLACED WITH <br /> 3,xi/4,BOLTS EXTENDING OUTWARD INTO <br /> ADDMONAI-SUPPORT. <br /> CONCRETE PAD FOR <br /> 2-INCH SLOTTED PVC CASING. <br /> FLUSH THREADED SCHEDULE 40 <br /> CLEAN IMPORTED SAND <br /> pvc BOTTOM CAP <br /> NOT TO SCALE <br /> SECTION <br /> Figure A I. Typical iNlonitoring Well Construction <br />