Water-Gate © U-shaped cofferdams for conventional trenching.

Cofferdam river crossing la Vologne Map1 Serpollet
Cofferdam river crossing la Vologne Map2 Serpollet

Installation type: U-shaped Water-Gate © flexible cofferdams. Three WA-2850 cofferdams connected to each other.

Phase I: Installation from the right bank leaving the open water course on 1/3 of its minor bed.

Phase II: reverse installation from the other side to complete the work.

Exhaustion pump: 240M3 / h

Decanting tank to avoid evacuation of fines with the water of exhaustion.

Company: Serpollet

Duration of the project: 5 days

Classic trenching | Water-Gate Cofferdam
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