Specifications include, but are not limited to: Hoppers shall be a self-contained spreader designed to spread free flowing material up to 20 foot width Hopper unit shall mount in a pickup or flatbed truck Hopper unit shall consist of a rotation molded polyethylene hopper, spinner assembly, feed conveyor, power drive, and all components necessary to produce a complete operating unit All stainless steel components used in Hopper construction shall be corrosion resistant, nonmagnetic stainless steel Bidder must submit with their bids complete specifications on the unit they propose to furnish Hopper: Hopper shall be approximately 8’ in length, 48” wide, and 36” high Hopper sides shall slope no less than 45 degrees, have rounded corners and inside radii to insure free-flow of material to the conveyor Hopper capacity shall not be less than 2 cubic yards water level full Hopper shall be rotation molded polyethylene with minimum 0.300” thickness Hopper shall be reinforced with molded in ribs Rear hopper wall shall be equipped with stainless steel adjustable feed-gate and clamp to allow for positive gate setting