The supported steel beam connects to the supporting girder web using a double angle connection with a minimum thickness of five-sixteenths of an inch. Bolts fasten the double angles to the supporting girder web, while the angles are welded to the supported beam web with a quarter-inch fillet weld at top and bottom, typical at fabricators option. Dimensional callouts specify a one-and-one-quarter-inch minimum edge distance from the bolt holes to the angle ends, a one-and-one-half-inch minimum clearance, and three-inch typical spacing for the fastener group. Additional spacing restrictions include a three-inch maximum dimension from the bottom flange and a one-quarter-inch minimum clearance.
DOUBLE ANGLE CONNECTION (5/16" MIN THICKNESS) 1 1/4" MIN 1 1/4" MIN 3" TYP 1 1/2" MIN 3" MAX MIN 1 1/4" 1/4 TYP AT FABRICATORS OPTION 3" T&B
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