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Silt Sack

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Silt Sack

Silt Sack is made from a high strength UV stabilised polypropylene, and can be filled with a range of mediums including coarse sand, gravel or wood chips. Erosion Control Silt Sack can reduce sedimentation into combination curb and grate inlets. It is an important part of a comprehensive best management practice approach for site sediment control. 

Silt sack can trap the silt but allows water to pass into the sewer. It can be used as a primary or secondary sediment control device to prevent failure of drainage system due to clogging with silt or sedimentation. Maintenance of the silt sack on a regular basis will ensure that the sack will function properly.

Available in two styles

 

•  Regular flow

•  High flow

 

Features


•  Made to fit any size inlet

•  Easy to install and economical

•  Custom sizes are available

•  Robust polypropylene woven 

•  Reusable

•  Ideal for protecting culverts, drain outflows and stormwater runoff 


Basic Installation Instructions

 

•  Remove drain gate

•  Insert silt sack

•  Replace grate to hold silt sack in position

•  Silt sack traps silt & sediment

•  Saves money and time


Silt Sack (High Flow) Product Data Sheet


PROPERTY

TEST METHOD

SPECIFICATION

Material


Polypropylene

Weight

ASTM-D-3776

5.6 Oz/SQ YD

Color

STAN-22

Black

Grab Tensile Strength

ASTM-D-4632

390 lbs (530N)

Grab Elongation (Max %)

ASTM-D-4632

30%

Trapezoid Tear

ASTM-D-4533

120 lbs (250N) Min

Puncture

ASTM-D-4833

140 lbs (250N) Min

Mullen Burst

ASTM-D-3786

600 psi

Coefficient of Permeability

ASTM-D-4491

0.04 in/sec

Permittivity

ASTM-D-4491

0.53 Sec-1

Water Flow Rate

ASTM-D-4491

152 gal/min/sq ft

AOS

ASTM-D-4751

0.212 mm (40 US Seive)

UV Resistance Strength

ASTM-D-4355

90%



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