Installation and Removal - Green Pond Environmental

Jersey Silt Sock Installation Guidelines

Proper installation and maintenance will enhance the performance of Jersey Silt Sock. Please note that project specifications may supersede these guidelines. Refer to the regulatory authority or project engineer for detailed installation procedures.

Installation on vegetated ground: gaps and ruts must be backfilled. If needed, trenching may be required.
Installation on disturbed ground: trenching may be required to ensure contact with the ground.
Installation on steep slopes: sight entrenchment may be required to ensure contact with the ground. Remove sediment form upslope side of the silt sock when accumulation has reached one half of the effective height of the sock. Loose filter media may be back filled on the upslope side of the sock to enhance performance. Hardwood stakes are recommended.
Sock overlap should be in the direction of the water flow; overlap should be a minimum of 24 inches, or as required by local the municipality.
Stack or anchor sock as needed.
Sock joints are where two sock sections meet on a level grade. Overlap the adjoining ends, tightening the ends together, and add staking to each end. Where two sections meet on un-level ground, j-hook higher elevated end, stake, and begin new section just below. Make sure to backfill any gaps.
Sock should be installed between 45° to 90° from direction of flow.
Do not use sock below the normal high watermark to perpendicular to flow in a river and where the maximum incline is greater than 50%.

Installation Procedures

Slope Interruption

A slight entrenchment may be required on steeper slopes to ensure full contact with the ground.
Remove sediment from the upslope side of the sock when accumulation has reached half of the effective height of the sock.
Loose filter media may be backfilled on the upslope side of sock to enhance performance.
Hardwood stakes 2″ x 2″ x 24″ are suggested.

Ditch Check

Install silt sock perpendicular to flow with ends curled slightly upstream to prevent high water from going around the ends. Use sock to slow and spread water to reduce channeling and erosion.

Sediment and Erosion Control Alternative

Perimeter Control and Overlapping

Positioning of overlap is based on flow direction.
Ends should curl uphill and should be staked in place when flow is less than 45 degrees.

Inlet Protection

When used around drain inlets, ensure the circumference of the drain is completely enclosed.
Where possible, do not place sock on grade or slope.
Avoid flooding by not placing sock on top of the inlet or where they divert runoff flow from the drain inlet.

Pyramid Installation Staking

A pyramid of smaller diameter silt socks will increase effective height of the device when larger diameter socks are not readily available to easy to install.

The Most Efficient

Alternative to Silt Fence

Jersey Silt Sock Maintenance

If ruts begin under the sock they should be backfilled with soil and compacted so the ground and sock have continuous contact.
If sediment collects to half the height of the sock, a second sock may be placed immediately upslope of the original sock, or sediment can be removed.
If sock rolls out of place, reposition and secure with additional stakes or anchors.
Tears in sock fabric may be repaired by wrapping a new piece of fabric over the damaged area or by placing a second sock immediately upslope with a minimum of 24” of overlap beyond the tear. Small tears can be repaired with zip ties.
Sock that looks deformed should be re-contoured to its original diameter by hand, or a second sock should be placed immediately upslope with a minimum of 24” overlap beyond the deformation.
A section of sock should be replaced whenever it is weakened to an extent that its efficiency is reduced or diminished. Weakening can occur because the natural mesh fabric breaks down over time or from being moved/dragged over the job site.

Removing Jersey Silt Sock

Silt sock can remain in place until disturbed areas have been stabilized or successfully vegetated. To remove sock, cut open and spread filler material and accumulated sediment into the final landscape grade. Remove netting from the job site.

Considerations

Sock should be installed before disturbing the upslope area.
Move sock to give vehicles access or divert traffic around the project.

To download a copy of the Installation Guidelines, click here to download it.

Why Use Silt Sock Instead of Silt Fence?

Silt Fence: Pros: Durable and tends to have strong structural integrity.
Cons: Installation requires trenching, which can be time-consuming and difficult when the ground is frozen, uneven or when underground utilities are close to the ground’s surface. Trenching may also not be permitted in environmentally sensitive areas. Removal is equally as difficult and produces a considerable amount of waste which must be hauled off and disposed of, adding cost to the project. Designed to keep water in, silt fence can flood the job site, interrupting work.
Jersey Silt SockPros: Easy to install - lay it down and stake it to the ground. Socks work well on uneven and frozen ground. No trenching is required, so installers do not have to worry about underground utilities or disturbing the environment. Jersey Silt Sock is filled with biodegradable material, so in most cases the sock can be cut open and the contents spread over the site, thereby eliminating removal and disposal costs. Because Jersey Silt Sock is designed to allow water to filter through the material, pooling and flooding of the job site is eliminated.
Cons: None.

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Standard Silt Sock Specifications

Sock Diameter	Length Per Single Pallet
8″	180′
12″	110′
18″	55′
24″	30′

Custom Orders

Custom orders are available. Call Harrison Buddemeyer for help with your project: 973-826-5959.