Roof drain openings are framed between parallel open web steel joists or beams using L3x3x1/4 angle frames. The vertical leg of the framing angle is coped to fit the assembly. The steel deck is welded to the angle frame with three-sixteenths inch fillet welds typical, including three-sixteenths inch fillet welds typical at flats.
JK2RTS15 ROOF DRAIN OPENINGS COPE VERT LEG OF ANGLE OPEN WEB STEEL JOIST OR BEAM ANGLE FRAME: L3x3x1/4 NOTE: WELD STEEL DECK TO ANGLE FRAME. 3/16 3/16 OPEN WEB STEEL JOIST OR 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 OPENINGS COPE VERT LEG OF ANGLE ANGLE FRAME: L3x3x1/4 ROOF DRAIN OPENINGS COPE VERT LEG OF ANGLE ANGLE FRAME: L3x3x1/4
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