supply and transport of natural gas to supply the heating and domestic hot water installations of the real estate assets of the DPO Habitat Drouais, including the head office and its annexes, and the staff housing listed in the annex to the CCP

supply and transport of natural gas to supply the heating and domestic hot water installations of the real estate assets of the DPO Habitat Drouais, including the head office and its annexes, and the staff housing listed in the annex to the CCP