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Type III Turbidity Barrierproduct catalog

Type III Turbidity BarrierProduct Type: Erosion and Sediment Control
Product LabelTurbidity Barriers are a BMP designed to restrict the flow of sediment-laden stormwater runoff from a construction site, to keep it contained in a limited area, and allow the sediment to settle out before being carried into adjacent or joining watercourses. TOUGH GUY Turbidity Barriers are manufactured by AER-FLO, Inc., the world's largest producer of these critical devices.
Floating Turbidity Barriers consist of a top flotation boom, an impervious fabric curtain extending downward under water, and a heavy galvanized steel chain sealed into a hem along the entire bottom of the curtain to provide ballast to keep the curtain vertical in the water. End hems are sealed around a rope and grommeted to allow attachment to each other with rope or bolt/nuts/washers. Color is Tough Guy Yellow.
Type III is a special adaption of the Type II barrier. Approximately 20 % of the area of the barrier skirt fabric is replaced with a polypropylene filter fabric conforming to some State DOT specifications. The filter fabric is inserted to reduce the pressure on the curtain while retaining silt. In actual practice, a filter fabric which is woven tightly enough to retain silt will not significantly reduce pressure on the curtain. Conversely, if the filter fabric is woven loose enough to reduce the pressure on the curtain, it will not be able to retain most silt and sediment particles. In addition, the filter fabric cannot be heatsealed, and must be sewn into the curtain, resulting in a reduction in curtain strength and longevity.

W.S.Connelly & Co, Inc.
101 Madison Ave
Roanoke , Virginia 24027
Phone: 540-344-2699
Fax: 540-343-1484

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