Effective Silt Fence
Installation Part 2
Inspection and Maintenance:
- Silt fences and filter barriers shall be inspected
weekly after each significant storm (1 inch (25.4 mm) in 24 hour).
Any required repairs shall be made immediately.
- Sediment should be removed when it reaches 1/3
height of the fence or 9 inches (0.3 m) maximum.
- The removed sediment shall conform with the
existing grade and be vegetated or otherwise stabilized.
- Silt fences shall be removed when they have
served their useful purpose, but not before the upslope area has been
permanently stabilized and any sediment stored behind the silt fence
has been removed.
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Sediment should be removed before it reaches 1/3
the height of the fence.
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Typical Drawing: Silt Fence Installation
Typical Drawing: Silt Fence Typical Placement
- One Slope
Typical Drawing: Silt Fence Typical Placement
- Two Slopes
Typical Drawing: Silt Fence Placement for Perimeter Control
Part 1 
Source: John McCullah - CPESC; North Carolina
Erosion and Sediment Control Planning and Design Manual; California BMP
Handbook; EPA Stormwater Management for Construction Activity.
Silt Fence That Works, Thomas Carpenter, CPESC, 2000.
Tommy Silt Fence Machine, 3718 S.W. Court Ave., Ankeny, Iowa, 50021 (800)
965-4665 www.tommy-sfm.com
Installation of Silt Fence Using the Tommy Static
Slicing Method, Environmental Technology Verification Report, Washington,
DC, 2000
© Salix Applied Earthcare
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