The scope of the contract relating to the operation and maintenance of the "Water Cycle" for the CEA / CESTA center of the CEA's Military Applications Department (CEA / DAM) covers:

- the production of drinking water (which includes withdrawal, treatment, storage and distribution to the user);

- collection and processing:

—— wastewater (with sludge treatment);

—— rainwater;

—— water from industrial processes;

—— groundwater (drainage);

—— plumbing and fittings inside the facilities.

The services are to be carried out at the CEA / CESTA center of CEA / DAM which has the following indicative characteristics:

- located at BARP, 30 km south of Bordeaux (1,600 people; 700 ha; 232 buildings representing 260,000 m 2 surface exploited) and its annex to the TEE (25 km from the CESTA site; 940 ha; 40 buildings representing 6,000 m 2 of surface exploited).

The activities to be carried out on the equipment and systems of the market perimeter are as follows:

- the operation of equipment and systems such as: lifting stations, septic tanks, sewage treatment plant, boreholes, water tower, drinking water disinfection system, control basins, fire hydrants, supervision;

- Maintaining corrective and preventive operational conditions (MCO) and security conditions (MCS) to ensure the availability of equipment and systems in the perimeter;

- the services associated with periodic regulatory checks (VRP);

- ad hoc support and assistance missions.

In addition, these activities include:

- integration and updating of maintenance data in CEA heritage management tools (including computer-assisted maintenance management (CMMS));

- the analysis of the elements collected to plan the renewal of the equipment;

- the management and monitoring of activities that cut across the above activities.

The services cover different types of DAM installation which meet different regulations such as individual installations (nuclear installations), pyrotechnic installations, ICPE (Installations classified for environmental protection), IOTA (Installations, works, works and facilities), laboratories equipped with clean rooms, technical laboratories, ordinary buildings ...

All the services will take place during the opening hours of the centers, but on-call duty and interventions outside opening hours will also be requested.

The market includes:

- a six-month care phase;

- an incoming reversibility phase of three months;

- a 12-month ramp-up phase;

- an operational phase made up of two firm years and three optional years;

- an outgoing reversibility phase of three months in parallel with the last three months of the operational phase.