Straw Bale Silt Fence

Some cities will ask contractors to add extra posts on the silt fence others will have the contractor install two rows of silt fence along sensitive areas.
Straw bale silt fence. Used to intercept and detain small amounts of sediment from disturbed areas of limited extent to prevent sediment from leaving the site. Width of bale trench figure 2 place and stake straw bales two per stakes per bale. 11 silt fencing hay bale barriers portland water district silt fencing hay bale barriers figure 1 excavate a trench 4 deep and the width of a straw bale.
These snake like tubes of compacted straw provide perimeter protection along contours or at the base of slopes inlets and roadways to reduce soil erosion runoff and retain sediment. Straw or hay bale barrier geosyntec consultants definition. A temporary sediment barrier consisting of a row of entrenched and anchored straw bales.
Nilex manufactures silt fence from durable uv stabilized woven geotextile attached to. Straw bale stake binding wire or twine figure 3 wedge loose straw between bales to create a continuous barrier. Silt fence or hay bales concrete construction magazine silt fence has better drainage characteristics but straw bales are more stable and foolproof.
Sediment control nilex geotextile materials erosion. Decreases the velocity of sheet flows and low to moderate level channel flows. One row may get trampled by equipment but the second row provides siltation control.
Figure 4 backfill and compact the excavated soil on the uphill side of the.