Specification
Shall be constructed of hi-tensile, corrosion-resistant, rust proof, primary extruded aluminum, Type 6463-T5 alloy. All seams shall be heli-arc welded and sealed (no rivets). Tray ledges 1-¼” x 1-5/8” x .100 extruded aluminum welded to frame on 3” or 5” centers, with channel type ledges to be on 1½” centers. Unit shall have four horizontal supports located at the top and center of 1” x 1” x .070 wall aluminum tube. Corner gussets of 1-½” x 1-½” x 5/8” thick angle shall be welded to the inside angles (bottom side) where horizontal cross bracing meets vertical uprights with a 4½” continuous weld. Unit base shall be constructed of 1” x 1” x .070 wall tube welded into a rectangular frame (20-½” x 26”), with two extra laterals where caster mount reinforcement plates shall be inset. reinforcement caster plates (2-¾” x 4” x 3/8”), pre-tapped for ¼” bolts, shall be welded to this frame. Casters shall be plate mount type, with 5” diameter non-marking polyurethane wheel, full swivel design with sealed ball bearing races.