An HSS purlin supports a metal roof deck above a wide flange beam. Hollow structural section blocking is installed between framing members with typical three-sixteenths inch fillet welds. Field welds connect the structural components with specified sizes and spacings.
WF BM HSS BLKG MTL ROOF DECK 3/16 3/16 TYP 3/16 3/16 3/16 3/16 3-12 3-12 TYP OPEN HSS PURLIN
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