Haut-Rhin

Haut-Rhin

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August 2017

The Markstein Grand Ballon Water Board has called on SADE to carry out stormwater outfall redevelopment works consisting in the supply and laying of ductile cast-iron gravity pipes with external PP protective sheaths (450m of 200mm diameter); laying of concrete every 25m of open trench to prevent erosion gullies, and the laying of an insulating polyurethane cover under the manhole covers. SADE is re-using the extracted material for backfilling and coating after sifting on-site

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SADE - 23-25 av. du Docteur Lannelongue - CS 51450 - 75685 Paris Cedex 14