Inquiry (采购产品): bottomless arch culvert I am in need of typical design drawings for a 72" bottomless arch metal culvert for a fish passage under a private road. The culvert will be installed under about 20' of fill. I am interested in engineering drawings for footing design, method of attaching pipe to footings, pipe zone backfill, slope protection, and stream bottom material. Can you give me some guidance as to where I might find this information? Thank you in advance. Regards, Les Tucker **** Hidden Message ***** Les Tucker 97048 Company: Les Tucker Drafting Services E-mail: ltucker@ados.net **** Hidden Message ***** ltucker@ados.net