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GROUND SURFACE <br /> FILL BOX COVER <br /> ` •6 <br /> 0 7 <br /> A "a <br /> SCREW CAP <br /> v A <br /> 2' MIN. °• .• <br /> e <br /> d <br /> CONCRETE BACKFILL <br /> PRECAST CONCRETE BOX MIN. 2 FT. BENTONITE <br /> PELLET SEAL <br /> GRAVEL/SAND PACKING — 2' PVC PIPE SLOTTED <br /> I <br /> BORING <br /> PIPE CAP <br /> I <br /> s <br /> Not To Scale <br /> ARCO All/PQ 1:1WI MUUMT FACILITY T V P Q C A L VVE L L ? 0 7 H.C= <br /> BALBI & CHANG ASSOCIATES PROJECT ,qo. DATA <br /> 5/23/1818 <br /> ©eotecTnnlc&i ConauEtcntn / Mstirlelo Touting PREPARED By �� PLATE <br />