Two L4x3x3/8 angles connect the trellis frame to a hollow structural section using two 5/8-inch diameter through bolts in vertical long slot holes. A 1/4-inch plate is welded to the assembly with a 1/4-inch fillet weld on three sides. An 1/8-inch seal weld completes the joint at the HSS member.
SECTION X-X TRELLIS FRAME L4x3x3/8 T&B TRELLIS FRAME L4x3x3/8 T&B WITH VERTICAL LONG SLOT HOLES PL. 1/4" 1/4 TYP. 1/8 SEAL WELD 1/4 3 SIDES X X 2" 2" (2)-5/8" ⌀ THROUGH BOLTS IN VERTICAL LONG SLOT HOLES (2)-5/8" ⌀ THROUGH BOLTS IN VERTICAL LONG SLOT HOLES EQ. EQ.
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