France – Construction work for water and sewage pipelines – Renewal, reinforcement or extension of drinking water, industrial water and sanitation supply networks

This contract concerns missions to renew, strengthen or extend the drinking water supply, industrial water and sanitation networks managed by the Dunkerquois Water Union (SED). The contract is divided into 2 lots as follows: 1. LOT 1: Renewal, reinforcement or extension of drinking water supply, industrial water and sanitation networks with a nominal diameter of less than 300 mm; 2. LOT 2: Renewal, reinforcement or extension of drinking water, industrial water and sanitation supply networks of nominal diameter greater than or