Small isolated openings under six inches in diameter do not require additional reinforcement within the metal deck span. Reinforcement is similarly omitted when opening spacing exceeds four times the largest hole diameter.
OPENINGS < 6" 24" NO REINF REQD WHERE SPCG GREATER THAN 4 x LARGEST HOLE DIA ISOLATED OPNGS < 6" DO NOT REQUIRE REINF DECK SPAN
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