Maintenance and operation of the Guiana Space Centre's facilities for the following lots:

- Air conditioning

- Energy

- Maintenance of the estate

The main tasks:

- Maintenance of existing installations:

- Accompany the renewal of the installation

- Operate the facilities and maximize their efficiency

- Alert CNES to necessary renovations and replacements.

Operational constraints:

- The contractor will have to set up a standby organization during the period of operation.

- During the launch countdown, the contractor will be required to manage the ongoing availability of a central maintenance team.

Technical scope (main installations) Energy

- High voltage electrical distribution network (20 kV & 5.5 kV)

o Approximately 200 km of underground power lines

o Approx. 40 km of approx. 54 metal pylons, 160 concrete gantries concrete gantry cranes

- HT stations: about 50 including

o Approximately 70 HV transformers,

o Approximately 200 HT cells.

o Approximately 50 low-voltage systems

- Electricity generation

o 30 electrical generators installed at 9 sites

o Approximately 50 mobile power generators

o Approx. 80 UPS + 3 mobile (power > 5 kVA) and approx. 200 desktop UPS.

o Approximately 3500 batteries associated with UPS.

- Lightning:

o Buildings: about 8000

o Car parks and roads: about 400 "classic" and 80 solar.

- Solar farms

- 13 elevators

Technical field AIR CONDITIONING

- 17 chillers

-300 Split-Systems

- 300 air handling units

- 1300 fan coils

- 250 Electrical panels

Technical scope INFRASTRUCTURES

- 60 km of water supply network (drinking water, treatment water and fire network)

- Sewerage network (30 wastewater treatment plants)

- 27 masts, pylons and towers (from 5 m to 100 m high)

- 25 bridges, sidewalks, footbridges and canalized passages

- 500,000 m² of road, 30 km of airstrip, 1 km of railway,

- Port infrastructure (6 pontoons, 3 wharves, 3 holds)

-Earthworks and load-bearing structure

- 90,000 m² of technical and administrative buildings