Channels are 120" [3048mm] long, 12" [305mm] wide reveal and have a 9-1/4" [235mm] throat. Modular channel sections are made of Fiber Reinforced Polymer (FRP), and have a positive mechanical connection between channel sections that will not separate during the installation. Channels weigh less than 5.05 lbs. [2.29 kg] per linear foot, have a smooth, 3" [76mm] radiused self cleaning bottom with a Manning’s coefficient of .009 and 1.04%or neutral 0% built in slope. Channels are provided with standard DGC grates that lock down to frame. Zurn 12" [305mm] wide reveal Ductile Iron Slotted Grate conforming to ASTM specification A536, Grade 80-55-06. Ductile Iron grate is rated class C per the DIN EN 1433 top load classifications. Supplied in 24" [610mm] nominal lengths with 13/16" [21mm] wide slots, and 1-1/2" [38mm] bearing depth. Grate has an open area of 80.8 sq. in per ft. [171,027 sq. mm per meter]. The #7 gage thick Heavy-Duty Carbon Steel Frame Assembly conforms to ASTM specification A36. Frames shall mechanically lockinto the concrete surround at a maximum spacing of every 21" [533mm], with 14 anchors per 120" [3048mm]. Frames have rebar attachment brackets as standard to secure trench to its final location. Grate lockdown bars are to be integral to the frame. The frame is supplied with a powder coated finish. All welds must be performed by a certified welder per ASTM standard AWS D1.1. Frames and Channels shall be produced in the U.S.A.
Keywords: fiber trench drain system, trench drain system, polymer trench drain system, trench drain system with steel frame, trench drain specification