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Type-III-Silt-BarrierTurbidity Barriers , Silt Curtains, Type 3 Silt BarrierType-III-Silt-Barrier is a tough turbidity barrier which is designed specifically for silt control in rivers, inter-coastal waterways, bays and harbors. These rough water turbidity curtains are ideal for demanding applications whether dredging contaminated sediments or demolishing bridges. Without a doubt one of the most used silt screen and silt curtains product for NPDES and Clean Water Act compliance on marine based activities where protecting the environment is key.
Learn more about Clean Water Act
The sturdy components of the Type-III-Silt-Barrier are selected for there superior performance in demanding applications. This barrier is easy to use and can be equipped with
skirt furling lines for multiple deployments or relocating.
Each barrier can be built to your project needs, whether you require a 3’ deep or 100’ deep skirt, high tensile fabric or woven monofilament filter fabric geotextile. We can HELP and will work with you for the ideal solution.
Specifications and Drawings:
--> Specification for Rough Water Turbidity Curtain --> Drawing for Rough Water Turbidity Curtain with an impermeable skirt --> Rough Water Turbidity Curtain DETAILS drawing --> Standard drawing and specification for ECONOMY Type-III-Silt-Barrier Do you need to order this Economy Turbidity Barrier?PRODUCT: ECONOMY Type 3 Silt Barrier 100' x 5' Geotextile Skirt -- $1,577.65/section
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Granite Environmental, Inc. is dedicated to providing superior performance products that get the job done well. We work closely with our client project teams to determine the best deployment configuration and approach to the site specific application. In order to provide an accurate assessment for our clients we normally will request the following information: • site conditions • water velocity • waves (height, frequency, etc) • wind speed and direction • tides • soil type (contaminated?) • project duration • site specific requirements and project specifications
In addition, if the project is environemental remediation, like pcb (heavy metals) removal, capping or brownfields (coal tar)site development we may suggest a site survey/walk to get an in-depth understanding of the entire requirements. Our dedicated staff are capable of project supervision and can offer installation assistance and guidance as required on a per diem basis.
Typical Type-III-Silt-Barrier Specifications: - Fabric is heavy duty 22 oz Vinyl Coated PVC - Barrier is High Visibility Safety Yellow - Floatation size is normally 8” or 12” Marine quality and is dependant on skirt depth - Load carrying components are the base fabric (500x550 lbs tensile ASTM) and Dual Centre tension 5/16 inch galvanized Steel Cables (18,400 lbs tensile) , single 3/8 inch galvanized Steel Chain (10,400lbs tensile) - The skirt is ballasted to hang vertical in the water by a minimum 3/8” Chain weighing 1.5 lbs per foot. - Sections easily connect at the waterline via extruded Aluminum ASTM Bulk Connectors with stainless steel toggle pin. Skirt connect via overlapped reinforced grommets and chains via shackles. - Section ends are dual seamed, with bolt-rope reinforcement of a minimum of 1/4" inch rope. Standard Barrier sizes are:
100’ or 50’ Long sections 3’ to 100’ deep skirt depths Other section sizes, skirt depths and materials available upon request Please ask your sales person for more information
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