Specifications include, but are not limited to: 18’ inside length x 84” inside width; Sloping one piece sides 58” to 50”; 100% welding throughout; All mounting hardware is to be included; Must include manufacturer build/installation instructions; Cut six (6) oval holes in rear facing corner post of body for S/T/T, reverse, and strobe lights. Lights will be supplied by the County; Cut round holes in side of rear corner post for button style side marker lights; Installation of Quick Silver ½” asphalt liner, full length and height of box, include doghouse, tailgate, and front head sheet. Include stainless steel leading edge protector welded to box behind top rail to prevent burn marks visible from outside. Include asphalt hold down plate interchangeable with brine tank retaining bracket. Liner is to be installed at WCHD facility; Furnish foldable stainless ladder to be left loose and mounted by County