Engineering services for the design, implementation and commissioning of a new system based on a Tetra metropolitan radio infrastructure. The acquisition of the SAE Tramway will be made via the competitive dialogue procedure.

This market includes:

- first, the assistance of Nantes Métropole in the migration to a new version of the Tetra radio infrastructure as well as the adaptation of the existing SAE bus Inéo interface, put into service in 2013,

- the assistance of Nantes Métropole to increase the capacity of the Tetra radio infrastructure to take into account the needs of the SAE tramway.

This SAE will supervise 91 trams serving 3 lines: 46 Alstom trams put into service in 1985, 23 Bombardier trams put into operation from 2000, 12 CAF trams delivered in 2012.

Quantities planned for the SAE Tramway:

- complete studies,

- deployment of equipment,

- integration, reception and follow-up of guarantee.

Quantities planned for the SAE Tramway:

- complete studies,

- deployment of equipment: 91 trams of 4 generations distributed in 3 depots, 3 regulatory stations, 1 Interface with existing Tetra metropolitan network and assistance if an increase of capacity is necessary,

- integration, reception and follow-up of guarantee.