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Ultra-Dewatering Bag®

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Contain Sediment And Oil Pumped Out During Dewatering Operations

Install the Ultra-Dewatering Bag® on a slope so incoming water flows downhill through the Ultra-Dewatering Bag® without creating more erosion. Strap the neck of the Ultra-Dewatering Bag® tightly to the discharge hose. To increase the efficiency of filtration, place the bag on an aggregate or hay bale bed to maximise water flow through the surface area of the bag.

The Ultra-Dewatering Bag® is full when it no longer can efficiently filter sediment or pass water at a reasonable rate. Flow rates will vary depending on the size of the Ultra-Dewatering Bag®, the type and amount of sediment discharged into the Ultra-Dewatering Bag®, the type of ground, rock or other substance under the bag and the degree of the slope on which the bag lies. Under most circumstances Ultra-Dewatering Bag® will accommodate flow rates of 1500 gallons per minute. Use of excessive flow rates or overfilling Ultra-Dewatering Bag® with sediment will cause ruptures of the bags or failure of the hose attachment straps.

• Detains both oil and sediment, offering a combination of benefits not available in alternative dewatering bags.
• Standard and custom sizes available.
• Accommodates up to 6" discharge hose.
• Helps comply with NPDES, 40 CFR 122.26 (1999) when used as Best Management Practice in Storm Water Pollution

Ordering Information:

U9729-O/S Oil & Sediment Model, 3' x 4'
U9724-O/S Oil & Sediment Model, 6' x 6'
U9725-O/S Oil & Sediment Model, 10' x 15'
U9727-O/S Oil & Sediment Model, 15' x 15'