An L3x2x1/4 by three-foot eight-inch long leg horizontal angle is centered beneath the roof deck opening and fastened to the deck flutes. Three one-half-inch self-drilling screws are installed in two adjacent valleys on each side of the opening to secure the framing.
1'-4" MAX EACH WAY ROOF DECK OPENING < 16" (3) 1/2" SELF DRILLING SCREWS IN (2) VALLEYS EACH SIDE OF OPENING L3x2x1/4x3'-8" LLH CENTERED ON OPENING
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