• Product can be new or used but must be clearly identified as such. • Portable yard ramp for loading and unloading a truck, trailer, or railcar when dock space isn't available. • Made from steel or aluminum with a minimum 16,000 lb. weight capacity • Measures 37' L x 81.5" W • The surface of the ramp must allow for snow, dirt, and debris to fall through, preventing dangerous build-up on the ramp • Safety features shall include at least 8" tall side rails on either side to prevent forklifts from driving over the edges, and two 60" safety chains to hold the ramp secure to the loading surface. The chains can be attached to a semi-truck trailer's ICC bumper to prevent the ramp from kicking out. • Must Include two 12" L x 33" W flip plates at top and two approach plates at the bottom to provide a smooth transition and drop-down legs for added safety • Ability to adjust the height of the ramp between 42” and 62”