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Dewatering Bag

Geotextile Filter Bag

One Clarion's dewatering bag, also know as a geotextile filter bag or silt bag, is an economical and easy-to-use solution for job sites that need to remove sediment or silt deposits from site discharge. The dewatering bags are manufactured using a sturdy non woven geotextile filter fabric designed to catch and contain sediment deposits pumped from your job site.

Dewatering Bag Features

  • Non-Woven Geotextile Fabric
  • Connects to Pipes up to 8"
  • Complies with NPDES Phase II Regulations

Dewatering Bag Benefits

  • Easy and Economical Filtration
  • Versatile Applications
  • Rugged Construction

Dewatering Bag Product Details

The One Clarion dewatering bag is available in a versatile range of styles for construction sites, power plants, and dredging areas. To determine which dewatering bag model will work best for your location depends on several on-site conditions. Some project factors to take under consideration include:

  • Pump Flow Rate
  • Quantity and Type of Sediment
  • Permittivity
  • Volume of Materials Needing Containment

Keep in mind that the size of the dewatering bags you use will be determined by where they are placed. For example, some areas may have size restrictions that dictates what size bag to use. Using dewatering bags in areas with steep slopes is not recommended as the bag may roll from the project location as it fills with sediment.

One Clarion dewatering bags are designed to help your job site stay in compliance with most local and federal stormwater regulations. All our components meet US Department of Transportation erosion and sediment requirements. Our dewatering bag are made from 8 oz or 10 oz geotextile fabric and come in sizes range from 4ft x 6ft to 15ft x 25ft, which can hold 15 yards of sediment. Some common uses of our dewatering bags include 20ft drop box, dump truck, construction site areas, and containment vehicles.

Dewatering Bag Specifications

Size Capacity Filter Rate A.O.S. Microns
4' x 6' 1 yds³ 80 gpm/ft² 80 US Sieve 177
5' x 6' 1.14 yds³ 80 gpm/ft² 80 US Sieve 177
6' x 6' 1.44 yds³ 80 gpm/ft² 80 US Sieve 177
10' x 15' 6 yds³ 80 gpm/ft² 80 US Sieve 177
15' x 15' 9.6 yds³ 80 gpm/ft² 80 US Sieve 177
15' x 20' 12 yds³ 80 gpm/ft² 80 US Sieve 177
15' x 25' 15 yds³ 80 gpm/ft² 80 US Sieve 177

10oz. Dewatering Bag Specifications

Size Capacity Filter Rate A.O.S. Microns
4' x 6' 1 yds³ 60 gpm/ft² 100 US Sieve 149
5' x 6' 1.14 yds³ 60 gpm/ft² 100 US Sieve 149
6' x 6' 1.44 yds³ 60 gpm/ft² 100 US Sieve 149
10' x 15' 6 yds³ 60 gpm/ft² 100 US Sieve 149
15' x 15' 9.6 yds³ 60 gpm/ft² 100 US Sieve 149
15' x 20' 12 yds³ 60 gpm/ft² 100 US Sieve 149
15' x 25' 15 yds³ 60 gpm/ft² 100 US Sieve 149

Dewatering Bag Step-By-Step Instructions

Deploying a dewatering bag is a fairly simple process with a few steps, but special care should be taken to ensure the process is done correctly.

The first step in the dewatering bag deployment process is choosing a suitable site for your bag to sit. This location may be a dump truck, drop box, or if you prefer you can set up the dewatering bag on the ground. If you decide to place the dewatering bag on the ground, you should use a flat location and a ground cloth to protect the dewatering bag from any debris that could puncture it.

The second step is attaching the hose to the dewatering bag. All dewatering bags designed for sediment or silt control typically have accommodation for hoses up to 4 inches. Once the hose is attached, the silt can be pumped into the bag for dewatering. The silt bag should be tied securely around the hose once it is inserted.

The third and final step involves pumping the sediment filled water into the dewatering bag. Once the pumping process has started, water will begin to flow out of the bag. This water flow occurs by design using needle-punched fabric which allows water to flow while the silt and sediment is trapped inside.

Dewatering Bag Frequently Asked Questions

Our largest dewatering bag will hold 15 yards of sediments.

The main difference between a dewatering bag and dewatering tube is their size and construction. Dewatering bags are a smaller filtration option and are designed for standard dewatering jobs. Dewatering tubes are much larger in size and are used for larger dewatering jobs like wastewater projects requiring sludge removal.