Geotextile Dewatering Bags: An In-Depth Overview

Geotextile Dewatering Bags: An In-Depth Overview

Geotextile dewatering bags, also known as filter bags, are specialized filtration devices crafted from a durable and porous fabric. They play a crucial role in environments where water needs to be separated from sediment, debris, and other particles. The geotextile fabric acts as a filter, allowing water to flow out while trapping solid materials and sediment within the bag.

Best Management Practices

Dewatering bags are primarily used as part of Best Management Practices (BMPs) to prevent runoff and contaminants from entering local bodies of water. These settings include:

  • Construction Sites
  • Industrial and agricultural areas
  • Stormwater runoff zones
  • Drainage ditches
  • Marine projects
  • Wastewater treatment facilities

Construction Site Dewatering

Dewatering bags offer several benefits in construction site management:

  • They allow contractors to pump water from job sites, retaining sediment and contaminants in the bag, thereby creating a stable and workable job site environment.
  • They help prevent delays due to wet ground and provide a stable environment for heavy machinery.
  • They prevent nearby water sources from contamination from stormwater and expedite construction site drainage during excavation.
  • The bags are discharged in areas away from drinking water sources and other bodies of water, ensuring environmental safety.

Benefits of Geotextile Dewatering Bags

Geotextile dewatering bags offer several advantages:

  • They provide an economical way to filter site discharge, allowing filtered water to escape while trapping sediment.
  • They are effective and long-lasting due to the durability of the geotextile fabric, built to withstand challenging conditions.
  • They are manufactured to meet local and federal stormwater regulations, helping contractors stay compliant.
  • They offer environmental protection.
  • Custom sizes can be manufactured based on project requirements.

Ovasco Industries manufactures geotextile dewatering bags in standard and custom sizes. These bags are made from 8 oz non-woven geotextile fabric at our facility in Louisville, KY. This ensures quality and reliability in every product.

Property
Test Method
English (MARV2)
Metric (MARV2)
WeightASTM D52618.0 oz/yd2271 g/m2
Grab Tensile StrengthASTM D4632160.5 lbs0.714 kN
Mullen Burst StrengthASTM D3786354 PSI2440 kPa
Filter EfficiencyASTM D519180%80%
Water Flow RateASTM D449190 gpm/ft23660 l/m2/min
UV ResistanceASTM D435570%/500 hrs.70%/500 hrs.
Bag Dimensions (W x L)
*Custom Sizes available
5 ft. x 6 ft.
5 ft. x 15 ft.
6 ft. x 7.5 ft.
7.5 ft. x 15 ft.
10 ft. x 15 ft.
13 ft. x 15 ft.
15 ft. x 15 ft.
1.52 m x 1.83 m
1.52 m x 4.57 m
1.83 m x 2.29 m
2.29 m x 4.57 m
3.05 m x 4.57 m
3.96 m x 4.57 m
4.57 m x 4.57m
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