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Type 1 Turbidity Curtain

Type 1 Turbidity Curtain

Type 1 turbidity curtains, also referred to as type 1 silt curtains, are floating barriers that are designed to control various sediments or runoff in calm waters. There are two versions of type 1 curtains, including Type 1: Economy and Type 1: DOT. Type 1 DOT curtains are used in areas that require DOT (Department of Transportation) regulations. ABASCO offers Type 1 Economy and Type 1 DOT curtains for all calm water applications.

Type 1 Turbidity Curtain Applications

  • Small Ponds
  • Calm Water Lakes
  • Construction Sites
  • Roadside Construction Projects
  • Protected Inland Areas

Type 1: Barrier

Application: Ponds, shallow lakes, small streams and marshes
Depth Range: 2’ – 20’

Type 1FabricFloatChainCableOptions
DOT Version18oz Laminate6” – 8”1/4”XFloat Size
Economy144” – 6”3/16”XFloat Size

Type 1: DOT Curtain

ABASCO Type 1 DOT Turbidity Curtains, also known as Type I Turbidity Curtains, are suitable for use in protected waters where the effects of wind, waves, and current are minimal. High-quality 18 PVC-coated polyester fabric, bottom tension member, and marine-grade flotation provide a strong, durable curtain that is ideal for silt and sediment control during dredging and marine construction activities.

Fabric18 oz/sq yd PVC Laminated polyester fabric. Optional filter fabric for skirt
Flotation6-in expanded polystyrene (EPS) foam contained in individually sealed float pockets
Tension/ballast1/4-in Grade 30 galvanized steel chain: 5,200 lb breaking strength; 0.63 lb/ft weight
End connectionLacing grommets on rope-reinforced ends located at both ends of each barrier section. Ballast chain is shackled section-to-section on the type I turbidity curtains.
Section length25 ft, 50 ft and 100 ft
Skirt depthTo 20 ft. Depth can be tapered to conform to bottom profile.

Type 1: Economy Curtain

ABASCO Type 1 DOT Turbidity Curtains, also known as Type I Turbidity Curtains, are suitable for use in protected waters where the effects of wind, waves, and current are minimal. High-quality PVC-coated polyester fabric, bottom tension member, and marine-grade flotation provide a strong, durable curtain that is ideal for silt and sediment control during dredging and marine construction activities.

Fabric14oz/sq yd PVC Laminated polyester fabric. Optional filter fabric for skirt
Flotation4-in expanded polystyrene (EPS) foam contained in individually sealed float pockets
Tension/ballast3/16-in Grade 30 galvanized steel chain: 3,200 lb breaking strength; 0.33 lb/ft weight
End connectionLacing grommets on rope-reinforced ends located at both ends of each barrier section. Ballast chain is shackled section-to-section on the type I turbidity curtains.
Section length25 ft, 50 ft and 100 ft
Skirt depthTo 20 ft. Depth can be tapered to conform to bottom profile.

Type 1 Turbidity Curtain with plain skirt

Type 1 Turbidity Curtain with filter fabric skirt

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