Silt Curtain to Place at Effluent
Question regarding a silt curtain to place at effluent end. I am looking to place this silt curtain at the effluent end of a dredge spoil containment basin. The intent is to meet effluent standards for TSS of <15mg/l. For this conceptual stage, I am most interested in efficiency (will it help), and approximate cost.
In general, silt curtains are designed specifically to control the flow of turbidity and silt in a specific location. For instance, if you are placing the containment basin's effluent end in a water location, a turbidity
They can help with the dispersion of TSS, but they are not typically equipped to keep levels at a certain standard. Silt curtain typically surround an are to help improve settling times, which can, in turn, help reduce and lower levels.
To help meet your specific requirements, we would require more knowledge regarding your area such as the flow rates, waves, tides, and space where the effluent is located. This can help us determine if this type of silt curtain to place at effluent end of your containment basin.
Turbidity and Silt Curtains have commonly been used in dredging areas. They can be placed at the effluent end (as you described) or directly around the dredging area itself. This will help to keep materials contained to the dredging site.
Again, depending on your application, there are a few other BMPs (best management practices) you could also consider for this application.
- Dewatering Bag: The dewatering bag is a product specifically designed for the discharge of dredged materials. This dewatering bag is often used for cleaning of ponds, lagoons, and other construction site areas. Dewatering bags are often connected directly to discharge pipes to filter out sediment, silt and even oil. These bags are made in a wide range of sizes for large and small projects. Sizing is typically chosen based on the pump rate, available space, and the amount of sediment or silt you are looking to contain.
- Filter Sock: The filter sock is a stormwater product designed to fit at the ends of pipes and other discharges. Once in place this sock works to filter out materials to keep discharge clean. This sock is significantly smaller in size and may not be application to your application depending on how much silt you need to contain and level of discharge. View BMP Overview Page.
Please contact our Granite Environmental tech team at +1-772-646-0597so they can provide you other options and discuss your project requirements. We look forward to working with you.
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If you have any additional questions about BMPs or silt curtain to place at effluent end, please contact our GEI Works product specialists at +1-772-646-0597.