Type 3 Turbidity Curtain
Heavy Duty Curtains
ABASCO Type 3 Turbidity Curtains, also referred to as Type III Turbidity Curtains, combine our standard high-strength fabric with heavy duty tension members)above and below the flotation and at the bottom of the curtain), fabric reinforcement, and stress plates a the bottom skirt corners. They are ideal for silt and sediment control during dredging and marine construction activities in rivers, bays and waterways with moderate current, wind and wave activity.
ABASCO Type 3 Barrier
Application: Open water exposed to moderate wind, waves and moving water
Depth Range: 3’ – 130’
| Type 3 | Fabric | Float | Chain | Cable | Options |
| Regular Duty | 22oz | 8”, 10”, 12” | 3/8” – 1/2" | 5/16” | Float, Chain |
| Heavy Duty | 22oz or greater | 10” – 24” | 3/8”, 1/2” 5/8” | Dual 5/16” | Float, Chain, Skirt Fabric |
| Filter Fabric Skirt | Woven or Nonwoven | 8” – 24” | 5/16” – 5/8” | Dual 5/16” | Float, Chain, Skirt Fabric |
Type 3 Heavy Duty Turbidity Curtain Specifications
| Fabric for float and chain pockets | 22 oz/sq yd PVC-coated polyester |
| Fabric for skirt area | As above, or woven/nonwoven filter fabric |
| Flotation | 8-in to 12-in diameter (depending on skirt depth) expanded polystyrene (EPS) foam contained in individually sealed float pockets |
| Top tension | Two 5/16-in galvanized steel cable (9,800 lb breaking strength) contained in polyethylene tubes; one above and one below the float |
| Bottom tension and ballast | 3/8-in galvanized steel chain (10,600 lb breaking strength); 1.41 lb/ft weight |
| End connectors | High-tensile-strength aluminum universal connector at float and top tension cable. ASTM 3/8-in stainless steel locking pins. Lacing grommets on reinforced fabric on skirt. Chain ends shackled section-to-section on the type III turbidity curtains. Tool-free connections. All corners reinforced with 40-oz PVC fabric. Aluminum stress plates at bottom corners. |
| Section length | 50 ft and 100 ft, standard |
| Skirt depth | To 100 ft; Can be tapered to conform to bottom profile. |
| Furling lines | Available on request |
| Available accessories | Anchor systems, ropes, marker buoys, solar-powered lights, repair kits. |
Type 3 Medium Duty Turbidity Curtain Specifications
| Fabric for float and chain pockets | 22 oz/sq yd PVC-coated polyester |
| Fabric for skirt area | As above, or woven/nonwoven filter fabric |
| Flotation | 8-in to 12-in diameter (depending on skirt depth) expanded polystyrene (EPS) foam contained in individually sealed float pockets |
| Top tension | A 5/16-in galvanized steel cable (9,800 lb breaking strength) contained in polyethylene tubes; located above the float |
| Bottom tension and ballast | 3/8-in galvanized steel chain (10,600 lb breaking strength); 1.41 lb/ft weight |
| End connectors | High-tensile-strength aluminum universal connector at float and top tension cable. ASTM 3/8-in stainless steel locking pins. Lacing grommets on reinforced fabric on skirt. Chain ends shackled section-to-section on the type III turbidity curtains. Tool-free connections. Aluminum stress plates at bottom corners. |
| Section length | 50 ft and 100 ft, standard |
| Skirt depth | To 100 ft; Can be tapered to conform to bottom profile. |
| Furling lines | Available on request |
| Available accessories | Anchor systems, ropes, marker buoys, solar-powered lights, repair kits. |
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