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Silt Curtains for Storm Drain Runoff

Silt Curtains for Storm Drain Runoff

Turbidity curtains, also referred to as silt curtains, offer a means to keep suspended particles from vacating the immediate area in a body of water.  The curtains hang from floats down into the water and impede the flow of the turbidity or silt.  Over time, the suspended sediment settles back to the bottom.  These floating curtains can be made from solid fabrics that impede all flow of water, or built using a geotextile mesh  fabric that allows water to flow through while still blocking the silt or other particles from escaping. 

One application for turbidity curtains is to contain runoff from storm drain or pump station discharge points.  These are typically exit points for storm drains systems that provide drainage from developed urban areas in order to prevent or minimize flooding.  Because the water is collected from public streets and other areas, the water is prone to wash away trash, dirt, and other debris.  Instead of simply dumping this water into waterways, the systems may run the water through filtering processes to remove garbage and larger debris.  However, these filters may not capture all of the materials suspended in the water. 

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Water Hyacinth Removal Project

Water Hyacinth Removal Project

Cattail Marsh is a 900 acre wildlife area located in Beaumont, Texas.  This marsh is located adjacent to Tyrrell Park and serves as a component of the waste water filtration system for the city.  The marsh features a 520 foot boardwalk that was installed in 2016 at a cost of $285,000.  Cattail Marsh and the surrounding area support a wide variety of local wildlife and is a popular bird watching site. 

As is common in many bodies of water in the area, Water Hyacinth has taken root and spread rapidly across the entire marsh.  Water Hyacinth is an invasive plant species that is recognized as one of the fastest growing plant species in the world.  The plants primary means of reproduction are runners that eventually form sister plants.  It also produces large volumes of seeds that remain viable for up to 30 years.  Because of its ability to rapidly reproduce, coverage areas can double in periods as quickly as two weeks.  

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Boating Near Dredging Projects

Boating Near Dredging Projects

Every day there are countless ongoing dredging and marine construction projects ongoing across the United States.  These marine projects are driven by the need for repairs, development, and shoaling.  These work zones typically require equipment and operations to be ongoing in waterways that are normally navigated by boat traffic.  As these projects are executed, safety hazards can often arise not only for the workers themselves, but also for anyone on a boat in the area.  

 

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