Portable Sediment trap for kerb inlets


Sediment traps are used to prevent solids entering water ways via street kerb side entry pits (drains).

Geotextile fabric is filled with gravel (small stone) which will allow water to pass through but not solid particles.

Suitable for short term and overnight use

Easily moved by one person

Easily cleaned

Reusable



Place against the side entry pit with sides and ends securely sealed. The ends should extend beyond the width of the side entry pit. A small gap should be allowed between the top of the trap and the roof of the side entry pit for overflows.

Flow rate and discharges should be controlled to prevent ponding around the trap.

Greater use of the trap's surface area occurs if controlled flows run perpendicular to the trap. However if the terrain or streetscape is sloping, excess water will flow past the trap. So additional traps should therefore be set up at the next (one or two) side entry pits.

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