Base plate connections for a screen wall supported by steel framing feature a seven-eighths-inch-thick base plate welded to hollow structural section posts and supporting beams with five-sixteenths-inch fillet welds. Three-eighths-inch stiffener plates are provided on each side of the beam aligned to the edge of the base plate, secured with three-sided two-sided fillet welds. Deck support angles are specified where metal deck flutes are interrupted by the base plate.
SUPPORTING BEAM 7/8" THK BASE PLATE POST and BEAM POST and BEAM 12" 1/2" TYP. 1/2" MIN. 1/2" MIN. 12" MIN 5/16 5/16 5/16 5/16 PERPENDICULAR BEAM - CONN. TO SUPPORTING BEAM PER TYPICAL CONDITION___ A 3/8 STIFF PL EA. SIDE OF BEAM ALIGNED TO EDGE OF BASE PLATE W/ 5/16" TWO SIDED FILLET WELD ON 3 SIDES, TYP. AT EACH EDGE OF PLATE, (3 LOCATIONS TOTAL) DECK SUPPORT PER 7/S0.22 WHERE FLUTES INTERRUPTED BY BASE PLATE - WHERE PERPENDICULAR BEAM DOES NOT OCCUR PROVIDE DECK SUPPORT ANGLE PER 5/S0.23 18 S6.11 UNO CONN. AT CORNER BEAMS B SUPPORTING BEAM POST and BEAM 1/2" TYP. 5/16 POST and BEAM TYP. 1/2" MIN. 1'-0" 1'-0" 7/8" THK BASE PLATE 5/16 PERPENDICULAR BEAM - CONN. TO SUPPORTING BEAM PER 18 S6.11 U.N.O. 5/16 5/16 HSS POST ABOVE TYP. 1/2" MIN. PROVIDE MIN. 1/2" FULL HT. STIFF PL EA. SIDE WELD W/ 3/8" TWO SIDED FILLET WELD ON 3 SIDES 5/16 DECK SUPPORT PER 7/S0.22 WHERE FLUTES INTERRUPTED BY BASE PLATE
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