The contract will consist of a firm tranche and 3 optional tranches. The tasks to be carried out under the contract are specified below.

The tasks to be carried out within the framework of the contract are: - aVP: preliminary design studies; - pRO: Project studies; - aCT: assistance to the contracting authority for the award of works contracts; - vISA: examination of the conformity with the project of the execution studies carried out by the contractors; - dET: the direction of the execution of works contracts; - oPC: scheduling, steering and coordination of works; - aOR: assistance to the contracting authority during acceptance operations and during the "Guarantee of Perfect Completion" (gpa) provided for by article 44.1 of the CCAG works - mC (Complementary mission) 1: Appropriation of previous studies; - mC 2: Operation under site in the AVP phase; - mC 3: Consultation in the AVP phase; - mC 4: Additional investigations; - mC 5: Dossier "Water Law" - mC 6: Operation under construction site in the PRO phase; - mC 7: Consultation in the PRO phase; - mC 8: Operation under site in the ACT phase; - mC 9: On-site operation in the DET phase; - mC 10: Consultation in the DET phase; Place of execution: Aire des Moëres - a16 direction Belgium towards France, PR 136+700 - municipality of GhyveldeWork programme: As the Aire des Moëres is used continuously for border controls, its redevelopment is a priority. Thus, the objectives of the operation are as follows: - rehabilitate and reinforce the carriageway of the area in order to support the traffic of the A16 motorway, - guarantee and strengthen the safety of users and police forces on the area during controls, - improve the proposed facilities