Diver maintenance of submerged sewer networks in Seine-Saint-Denis.
The Department of Seine-Saint-Denis is procuring maintenance work by divers on its submerged sewer networks and structures. The contract covers inspection, cleaning, and repair of underwater infrastructure. Bidders must have certified diving teams and experience in sewer maintenance. The contract is for a duration of 4 years with an estimated value between €1 million and €10 million.