Silt Curtain, Turbidity Curtain, Silt Barrier, Silt Protector
Type III Silt BarrierTurbidity Curtain
Type III Silt Barrier is a tough silt curtain which is designed specifically for silt control in rivers, inter-coastal waterways, bays and harbors. These rough water floating silt curtain is 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.
Each floating silt curtain 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 turbidity curtain solution. Questions? Give us a call @ (+1) 772-646-0597.
Type 3 Specifications and Drawings:• Specification for Type III Silt Barrier / Rough Water Turbidity Curtain• Drawing for Type III Turbidity Curtain with an impermeable skirt • Rough Water Turbidity Curtain DETAILS drawing • Standard drawing and specification for ECONOMY Type-III-Silt-Barrier 
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 for a 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 environmental 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 - Flotation size is normally 8” or 12” Marine quality and is dependent on skirt depth - Load carrying components are the base fabric (500x550 lbs tensile ASTM) and Dual Center tension 5/16 inch galvanized Steel Cables (18,400 lbs tensile) , single 3/8 inch galvanized Steel Chain (10,400lbs tensile) - The curtain 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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The Type III Silt Curtain has been used on numerous projects globally and is the workhorse of the silt barrier family.
