Ground nstruction mats 48″x96″ 100 tons load capacity 50 lb. per sq. ft. (psf); (40 psf live load, 10 psf dead load). 3. The load-bearing capacity of the soil (assume 3,000 pounds for Hoffman Es Crane Outrigger Pads Made from UHMWPE (ultra high molecular weight polyethylene) and are significantly more durable and lighter than traditional wood or steel pads.