Specifications include, but are not limited to: BODY • All Steel Construction. All walls shall be fabricated from #12 gauge steel and the bottom shall be fabricated from #10 gauge steel. Two (2) ¼” bumper pads on the truck side. Top perimeter shall be reinforced by flanged returns on front and ¼” x 2” x 2” structural angle bracing on sides. All seams shall be continuously machine welded. LIDS • Heavy duty twin lids of one piece molded high density strength Polyethylene or better. (Metal lids not acceptable.) Lids should fit flush on top of containers with no over-hang. The Rod that fastens the lids to the containers should be threaded with self-locking nut on one end, and have a flat type on the other end. SLEEVES • 3/16” thick fully enclosed with 4 gussets (2 on top, 2 on bottom.) PADS • Installed on all four corners, pads to be minimum of 3” high.