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MINIMUM 3 JOISTS,
RODS B"T' M.C.
MECHANICAL. UNIT
STEEL JOIST
PROVIDE THIS DETAIL WHERE
MECHANICAL UNIT IS HUNG
FROM NEW STRUCTURE.
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CUT OFF VERTICAL LEG w
EDGE OF JOIST (OR
BEAM FLANGE) BOTH ENDS.
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FIELD WELD ANGLE FRAME'
TO JOISTS OR BEAM WITH
3' MINIMUM BEARING. I
NOTES:_ \\
1.- PROVIDE ANGLE FRAME AS SHOWN
FOR ALL ROOF OPENW -zS WITH MAXIMUM
DIMENSION EXCEEDING I' -0'.
2. VERIFY OPENING SIZE AND LOCATION
WITH MECHANICAL TRADES.
3. USE: L4'x4'> y,' TYPICAL.
4. COORDINATE LOCATION OF ROOF AND FLOOR OPENINGS
WITH MECHANICAL AND ARCHITECTURAL DRAWINGS.
N.T.S.
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