Renewal of gas pipes in cast iron GS. Without the list being exhaustive, the works include:

- the establishment of detailed schedules,

- studies and preparation (mapping services, declaration of work with the administrations and concessionaires, exploitation and signaling plans necessary to obtain traffic orders, obtaining administrative authorizations, quantitative and costing of each operation),

- works (earthworks, interventions on pipelines in service, renewal of pipelines and connections, takeover of gas installations located downstream of the general cut-off, put out of gas and gasworks).

Renewal of gas pipes in cast iron GS. Without the list being exhaustive, the works include:

- the establishment of detailed schedules,

- studies and preparation (mapping services, declaration of work with the administrations and concessionaires, exploitation and signaling plans necessary to obtain traffic orders, obtaining administrative authorizations, quantitative and costing of each operation),

- works (earthworks, interventions on pipelines in service, renewal of pipelines and connections, takeover of gas installations located downstream of the general cut-off, put out of gas and gasworks).

Renewal of gas pipes in cast iron GS. Without the list being exhaustive, the works include:

- the establishment of detailed schedules,

- studies and preparation (mapping services, declaration of work with the administrations and concessionaires, exploitation and signaling plans necessary to obtain traffic orders, obtaining administrative authorizations, quantitative and costing of each operation),

- works (earthworks, interventions on pipelines in service, renewal of pipelines and connections, takeover of gas installations located downstream of the general cut-off, put out of gas and gasworks).