too wet to dig or too many rocks to pump). Pumping versus excavation may be a consideration based on the sediment type (i.e. Dredging methods can vary with different equipment types and options. Sampling sludge is another great tool that can be implemented in the process. Pre and post construction surveys are a great example of an idea that can help confirm a project’s results. The unusual aspect of working under water and with water involves many challenges. From design-build services, pre and post dredge surveying, specification writing, and financial considerations River Sand can help you with the details. Contracts, requests for proposals (RFP), solicitations, and bids can involve tedious details to make sure the client is satisfied with the result.
We also work directly with owners to do the same. River Sand has a long history of working with engineers to develop a plan for dredging projects. One of the first steps in analyzing the need to dredge your lake may be to determine depth, location, and volume of sediment with a bathymetric or sediment survey. However, in most cases dredging is an effective solution to the problems listed above and many others. Sometimes dredging costs can outweigh the benefits of performing the work, deeming it unfeasible to dredge from a cost-benfit perspective. For example, very dirty water with a red color may contain high turbidity (suspended solids) but may not mean that there is enough sediment. River Sand can help confirm that dredging may be the correct solution for the problem. Discharge parameters are over the permitted limit.The water is very turbid, turning brown or red in color.The water depth is too shallow for boats and swimming.Aquatic weed growth has become overwhelming.Sediment is preventing flow throughout your pond.Sediment is visible and above the water surface of your lake, pond, or lagoon.One of the first questions anyone with a lake, pond, or lagoon should ask is, “Do I need to dredge?” In most cases, the problem is evident and creating a real issue for example:
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