Type II Silt Barrier

Type II Silt Barrier is specifically designed for in-water control of silt and turbidity around dredging activities, pile driving rip-rap installation, demolition work, and more.

The rugged yet economical turbidity curtain designs make them a contractors project favorite for moving water <1.5 knots and 36” Wave swells.

 

 

Typical Specifications
Product	Type 2 Medium Duty	Type 2 Heavy Duty
Flyer	Medium Barrier Flyer	Heavy Duty Barrier Flyer
Drawings	-	Drawing Details Drawing
Flotation	6" Marine Grade Flotation	8", 10" or 12" Marine Grade Flotation
Fabric	Reinforced Impermeable PVC Fabric	22 oz. PVC Fabric 500 x 550 lbs/sq inch
Section Connectors	ASTM 962 Universal Slide	Universal Slide Bulk Connectors
Connector Fabric	Bolt Rope Reinforced Grommet Section Ties	Bolt Rope Reinforced Grommet Section Ties
Bottom Chain	5/16" Steel Ballast Chain	5/16" Steel Ballast Chain
Standard Length	50' or 100'	50' or 100'
Freeboard	-	8-12" Depending on skirt depth
Draft	3 to 100'	3 to 100'

Learn More about the Type II Silt Barrier

Granite Type II Silt Barrier is ideal for medium workloads and can be stored easily on the deck of a vessel for repeat use. The main function of this silt screen is to control the dispersion of suspended silt and sediment and improve settling times (Stokes Law).

This helps to achieve protection of vital aquatic habitats like sea grass beds, aquaculture facilities and spawning areas.

This rapid settling of sediment in a confined zone allows marine contractors to stay within Federal and State Clean Water Act and NPDES phase II regulations, avoids fines and get the project completed quickly.

 

Granite Environmental,Inc. is dedicated to developing innovative turbidity curtain solutions that provide superior performance and achieve the desired results for our customers. We work closely with our client team to design a deployment layout taking into consideration water conditions, project progress, budget and water quality goals.

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 or brownfields (coal tar) related we may require a site survey/walk to get a good understanding of the site specific requirements.

Our goal is to work with our clients to develop the best solution for their specific project and help them come in under budget and on time.

Back to Top

Other Turbidity Control Options

Other Turbidity Barriers

• Type I (Economy & DOT Available)
• Type III (Medium & Heavy Duty)
• Staked Silt Barrier
• Dredging Barrier
• Silt Barrier Variety

Other Filtering Devices

• Dewatering Bags
• Silt Fence (Standard & DOT)

Installation Materials

Wondering how to install your barrier once its arrived to your site? Check out our installation guides including:

• Assembly & Installation (pdf guide)
• Picture Installation (pdf with pictures)

 

Back to Top