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Tag Archives: sediment control wattle

Sediment Control Building

a. Retaining weir (check dams) Retaining dams built upstream which serves to slow down and gradually reduce the volume of lava flood. To deal with the forces that are at the required weir lava flood barrier that is strong enough. In addition to accomodating clash large rocks, the lighthouse and the wings of the weir should be made of concrete ...

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