Buy Cast Iron And Ductile Iron Grates

Looking for vendors for cast iron and ductile iron grates mostly in larger sizes.2450 linear feet of heavy duty, slotted, ductile iron grates to fit a 24" wide trench so they will need to be 26" to 28" wide and need to test out at 200,000lbs. The american version of these is 2" thick and weighs between 100 and 130 lbs per foot. I also need pricing on 1000 linear feet of heavy duty, slotted, ductile iron grates to fit a 12" wide trench so the grates will need to be 14" wide and need to test out a t 200,000lbs. The american version of these is 2" thick and weighs between 51 and 100 lbs per foot. I would place these orders together and need delivered pricing, approximate lead time, and a drawing or catalog showing what you are proposing.