Quantity 1: Roll Off Rect 20 cu yd container (15 ft x 60" sides) Color TBD Sludge Container; Top Hinged Sealed Sludge Gate w/ 2 ratchets Color TBD; 22' Roll-overTarp crank+bows-plastic corner covers-Installed; Specifications: 20 cubic yard, roll-off rectangular container, (15 ft x 60” sides), 3 ratchet sludge gate, ¼ main rail, four (4) 8x6 ground wheels, 22’ roll-over tarp crank + bows-plastic corner covers installed. Standard Rectangular Specifications below, or approved equivalent: Understructure Cross Member – 3” channel on 16 or 18” center; 2 gussets per cross member; Main Rails – 2” x 6’ tubing 3/16” wall, with solid bull nose-1/2” w; Pull Hook - 1-1/2” w x 5-1/2” h x 2-1/2” eye opening; Floor – 3/16” steel plate; Wheels- (4) 8” dia. X 6” long with grease fitting; Guide Rollers – 4” dia. X 6” long with recessed grease fitting; Sides and Front- 12 ga. Top Rail – 4” x 3 “ x 11 ga. Wall tubing; Side Ribs – 3” x 5” channel on 38” centers; Hinges – 2 heavy-duty hinges with grease fitting; Canvas Tie Down – each side, front and door; Paint – Primer inside and outside 2.0 mils, Industrial enamel finish to 2.0 mils.