A structural concrete section features a void form fill positioned between vertical walls resting on a base slab. The base slab contains number 7 reinforcing bars at eight inches spacing each way top and bottom, with an overall thickness of one foot eight inches. The central void form fill is positioned beneath a slab section reinforced with number 5 bars at six inches spacing each way at mid-depth, featuring a lap splice. Vertical walls extend upward to elevation 19.92, reinforced with number 6 bars at eight inches spacing each way, each face, typically. A Class C concrete fill is specified at the base alongside waterstops typically indicated by detail callouts. A PVC liner is detailed at the top of the concrete walls per plan.
8" EL VARIES LP EL 17.00 EL 19.92 1'-8" EL 14.92 CLASS "C" CONC FILL TYP S140 W/ WSTP (TYP) #6@8" EW EF (TYP) LAP SPLICE #7@8" EW T&B TYP S143 W/ WSTP (TYP) VOID FORM FILL 6 #5@6" EW AT MID-DEPTH PVC LINER SEE PLAN (TYP)
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