An eight-inch lightweight concrete wall with number four horizontal reinforcing bars at twelve inches on center is supported by a structural steel beam per plan, featuring deck flutes fully filled with expanded polystyrene insulation typical at the penthouse. A lightweight concrete equipment pad sits above, measuring three and a half inches thick with a top of concrete elevation at one hundred thirty-five feet and zero inches. The assembly includes a number four A706 reinforcing bar at twelve inches on center welded to the top of the beam and extending two feet into the wall.
MIN 3" FACE OF EQUIP PER MECH DWGS TOC EL 135' - 0" 3" 3" EQUIPMENT PAD PER S-502, LW CONC 3 1/2" FILL ALL DECK FLUTES WITH EPS, TYP AT PENTHOUSE LW CONC ON EPS PER PLAN #4 A706 @ 12" OC, WELD TO TOP OF BM 2' - 0" BM PER PLAN 8" LW CONC WALL WITH #4 @ 12" OC HORIZ
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