Commercial open web steel truss roof safely can carry new air conditioning unit

Commercial open web steel roof trusses and main I beams

3D STAAD PRO model after addition of new make up air conditioning unit of a commercial building in NE of Calgary. The open web steel joists are HSS steel sections with bracing of bottom chords at the middle and end of roof trusses. The roof was safely capable of carrying the new air conditioning unit.

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