This open call for tenders concerns the northern section - phase 2 - lot 4 of the creation of a 600 mm DN loop between the Palaiseau site and the Saclay reservoir. It consists of the laying in an open trench of a DN 600 drinking water pipe on the following 2 sections: - 180 ml crossing the former Total fuel station along the N118; - 70 ml crossing in front of the CEA water tower along the N118

it consists of the laying in open trench of a drinking water pipe of DN 600 on the following 2 sections:- 180 ml crossing the former Total fuel station along the N118;- 70 ml crossing in front of the CEA water tower along the N118