|
Silt Fence
1.00 Silt fence shall be DGI Industries model number CC21273611 or approved equal.
Fabric
1.01 Fabric shall consist of woven polypropylene, 36” in width and fastened to hardwood posts with three (3), one inch (1”) wide crown staples.
Posts
2.01 Posts shall be of sound hardwood, forty eight inches (48”) in length with a minimum cross section of 1.125 square inches. Softwood posts shall not be used.
2.02 Posts shall be positioned vertically at a distance not to exceed ten feet (10’) on center for the entire length of the silt fence.
Installation
3.01 Soil shall be trenched to allow six inches (6”) of the silt fence fabric to fall below grade. Posts shall be driven a minimum of eighteen inches (18”) below natural grade to allow six inches (6”) of material to extend into the trench. Trench shall be backfilled to original grade, leaving a minimum of six inches (6”) of fabric below finish grade. If the silt fence is installed on a slope, the posts shall be positioned on the downward side. If the silt fence is installed on a level site, the posts shall be installed to the outside of the
|
