Loading Dock

20' x 101" Loading Dock/Ramp, 12"x14Lbs I-Beam Frame, 6" channel in the middle, 3" channel crossmembers spaced at about 12", Smooth Plate floor with expanded metal welded to that, 17' angled/sloped, 3' Flat surface on top, 3-10k adjustable jacks to adjust the height from as low 29" up to 53"