Z884 Trench Channels are 40" long, 4-3/4" wide reveal and have a 3-1/4" throat. Modular channel sections are made of 0% water absorbent Polypropylene. Channels are have a positive mechanical connection between channel sections that will not separate during the installation and mechanically lock into the concrete surround a minimum of every 10". Channels weigh less than 2 lbs. per linear foot, have a smooth, 1.634 " radiused self cleaning bottom with a Manning’s coefficient of .009 neutral 0% built in slope. Channels have rebar clips standard to secure trench in its final location. Channels are provided with standard HPP grates that lock down with lockdown bars to the channel and is not intended for dynamic traffic loadings. Zurn 4-1/8 [105] wide reveal Longitudinal Heel-proof Polypropylene Grate is rated class A per the DIN EN1433 top load classifications. Supplied in 20" nominal lengths with .25" wide slots, and .75" bearing depth. Grate has an open area of 18.57 sq. in per ft.
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