All Materials shall be as specified below or approved equal, be produced in North America and be the current year model. All brass shall be “No-lead”, meeting the requirements of the Reduction of Lead in Drinking Water Act. Unit prices shall remain fixed for one (1) year after the start of the contract. Estimated quantities are listed on the Cost Proposal form. Materials may be shipped to multiple locations in Wheaton, IL. Water Main Unless approved in writing all water main shall be 8” minimum size Class 52 Zinc-coated Ductile Iron pipe. If PVC water main is allowed, it must be approved in writing and shall be Certa-Lok PVC or equal. The design shall include two #10 Solid Insulated Copper tracer wires that terminate in a Copperhead Tracer Wire Access Box at each end. Shop drawings of the tracer wires must be submitted and approved for all PVC water main. Polyethylene Wrap – Required on all Water Main Installations All ductile iron water main and fittings shall be encased with linear low-density V-Bio Enhanced polyethylene wrap, 8 mils thick. Polyethylene wrap shall be secured with polyethylene tape at overlaps, ends, and every four feet along the pipe barrel. Fire Hydrants Mueller Super Centurian A-421, 4½ inch valve opening with 6-inch flange x mechanical A-2362 resilient wedge valve attached. All bolts shall be stainless steel on all valves and hydrants. Gate Valves Mueller A-2361 resilient wedge gate valve OR American Series 2500 resilient wedge valve. Mechanical Joints EBAA Iron Megalug mechanical joint restraint gland. Tapping Valves Mueller A-2361 flange x mechanical joint resilient wedge valve OR American Series 2500 flange x mechanical joint resilient wedge valve.
