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Dewatering Tubes for Silt in Inlet

Geotextile Tubes for Large Amounts of Silt in Inlet and Outlet Tunnels

by Sonny in Connecticut

Question on Dewatering Tubes for Silt in Inlet and Outlet Tunnels. We are in the midst of a large dewatering project at a Pump and Storage Hydroelectric Station. We have a large amount of silt in the inlet and dewatering tubeoutlet tunnels. One option we are exploring is to pump out to open ground, but we must have control of the silt after it is pumped out.

What is the largest capacity bags?

Maybe we could stack and move later. Can the full tubes be stacked? Could your company custom make bags larger than 100' with a short lead time? Our calculations currently suggest we are dealing with a dry sediment volume that will stand approx 8' tall over approx. 3.5 acres.

We aren't sure what we plan to do with the sediment after the project. We are exploring options. The bags will stay on property. They are fertile and non-hazardous.

Answer: For the size dewatering job you are looking to achieve, the best option would be one of our Dewatering Tubes. These geotextile dewatering products are created in larger capacities and sizes to meet the demands and requirements for large jobs.


To answer your first question, yes, the dewatering tube can be made in sizes larger than 100 feet. The dewatering tube has been made in several different sizes including the following length and circumference dimensions:

  • Lengths: 50 ft, 100 ft, 150 ft, 200 ft
  • Circumferences: 15 ft, 30 ft, 45 ft, 60 ft, 75 ft, 90 ft

To answer your second question, sizing and lead times will depend on the job and availability of our facilities. Please feel free to contact us or provide your contact information. Our sales team can then work on lead time and availability for your dewatering tubes for silt in inlet and outlet tunnels.

Height and Stacking of Dewatering Tubes for Silt in Inlet:

Geotextile tubes can be placed on top of one another for space saving. In general, the height of a tube should not exceed 5 feet. When stacking several tubes on top of each other, please make sure that the bottom layer of tubes is located in a stable area. Ensuring that the bottom layer of tubes is stable is essentially to successfully stacking these products.

Flow rates will depend on available equipment in your area, as well as sediment/water rates. Testing is often done to determine the appropriate rates in your location.

Hope this info was helpful for your question in regard to dewatering tubes for silt in inlet and outlet tunnels.

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