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Turbidity Curtain for Dredging Operation

Turbidity Curtains for Use on a Dredging Operation

by Tom
(Richmond, Virginia)

Question: I need a turbidity curtain for dredging operation. We are in southern Maryland and need to know the type of turbidity curtain we will need. It is a back basin off of a flowing river. The river has waves in windy conditions. The waves are less than 2 feet and I do not know the flow rate. What determines the depth of the curtain? What are the standard sizes that are available?

Answer: Thank you for asking. For the water conditions that you have specified, our dredging silt barrierGEI Works tech team would recommend a Type 2 Turbidity Curtain. We offer two different styles: a type 2 DOT (medium duty) and heavy duty type 2 barrier. We can provide you a price quote for both types.

The Type 2 Barrier is a common choice for dredging operations and helps reduce settling times and keep displaced materials contained to a specific location. This has helped to lower pollution levels and prevent additional harm to surrounding life in your location.

Determining a Turbidity Curtain Depth

Depths for turbidity curtains are typically chosen based on the location or project specs. In general, you do not typically want the bottom of the turbidity curtain to touch the ground in your water location.

We normally recommend that the curtain be built to a depth that allows for approximately one foot spacing between the bottom of the curtain and the floor of your water body. This is done so that the curtain can still move and does not get suck or bogged down.

Standard turbidity curtains will feature section lengths of either 100 or 50 feet and depths of 5 feet. Sections can be connected together through section slide connectors or grommets (depending on your specific barrier type and requirements). The Type 2 turbidity curtain for dredging operations typically features section connectors.

Questions? We can help! Call our team at +1-772-646-0597 or submit a form.