Water-Gate was installed last July to facilitate works on the Varenne River: total removal of the hydraulic structure of the old spinning mill at Torcy-le-Petit and creation of three rip-rap weirs to compensate for the difference in height and reinforce the banks.
Works carried out by the company Nature Environnement Terrassement, based in Longueville-sur-Scie.
Works financed by the Seine-Maritime Water Agency and the Department.
Installation of three sections of Water-Gate cofferdams:
1 – Water-Gate WA 2850 cofferdam: height 71 cm x length 15 m
2 – Water-Gate WA 3950 cofferdam: height 100 cm x length 15 m
3 – Two Water-Gate WA 3950 twin cofferdams