Zurn Z886-HD Channels are 80" long, 6-3/4" wide reveal and have a 4" throat. Modular channel sections are made of 0% water absorbent High Density Polyethylene (HDPE). Channels have a positive mechanical connection between channel sections that will not separate during the installation and mechanically lock into the concrete surround every 10". Channels weigh less than 2.31 lbs. per linear foot, have a smooth, 1-1/2" radiused self cleaning bottom with a Manning’s coefficient of .009 and .75% or neutral 0% built in slope. Channels have rebar clips standard to secure trench in its final location. Channels provided with standard DGC grates that lock down to frame. Zurn 5.375" wide reveal Ductile Iron Slotted Grate conforming to ASTM specification A536-84, Grade 80-55-06. Ductile Iron grate is rated class C per the DIN EN1433 top load classifications. Supplied in 20" nominal lengths with 1/2" wide slots, and 3/4" bearing depth. Grate has an open area of 28.1 sq. in per ft. The .105" thick Heavy-Duty Carbon Steel Frame Assembly conforms to ASTM specification A36 with 10 - 4" long concrete anchors per 80". Grate lockdown bars are to be integral to the frame. Frame supplied with powder coated finish. All welds must be performed by a certified welder per ASTM standard AWS D1.1. Frames produced in the U.S.A.
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