This plan detail shows roof drain openings framed by steel angle sections spanning between structural steel beams. The framing utilizes L3x3x1/4 and L5x3x1/4 long-leg-vertical angles with coped vertical legs at connections. The steel deck is welded to the surrounding angle frame using three-sixteenth-inch fillet welds typically applied at the flats. All intersecting angle frames are secured with three-sixteenth-inch fillet welds.
ROOF DRAIN ROOF DRAIN OPENINGS COPE VERT LEG OF ANGLE STEEL BEAM ANGLE FRAME: L3x3x1/4 NOTE: WELD STEEL DECK TO ANGLE FRAME. 3/16 TYP 3/16 TYP AT FLATS STEEL BEAM 3/16 TYP 3/16 TYP AT FLATS 3/16 TYP 3/16 TYP AT FLATS NOTE: WELD STEEL DECK TO ANGLE FRAME. ROOF DRAIN OPENING COPE VERT LEG OF ANGLE ANGLE FRAME: L3x3x1/4 ROOF DRAIN OPENING COPE VERT LEG OF ANGLE ANGLE FRAME: L5x3x1/4 (LLV) ANGLE FRAME: L5x3x1/4 (LLV)
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