Two structural angles spanning beneath a metal roof deck support lightweight mechanical units using unistrut. Hanging rods provided by the mechanical contractor suspend the unit from spacer plates placed at third points. Additional angle clips secure the assembly to the steel joists with typical fillet welds on three sides.
(2) L5x3x1/4 (LLV) USE UNISTRUT FOR UNITS WEIGHING LESS THAN 300# L6x4x5/16 x 0'-10" (LLV) TYP HANGING RODS, SEE MECH CONTRACTOR 5 1/2"x3" SPACER PL 1/16" THICKER THAN HANGING RODS AT THIRD POINTS STL JST MTL ROOF DECK 1/4 TYP 3/16 1/4 1/4 (3) SIDES, TYP
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