A14/A86 motorway underground complex

Safety improvement

Renovation

France, 2009 - 2014

General description

fire-detection cameras, automatic fire detectors, and CCTV

MAIN CHARACTERISTICS

- Fire protection of all structural works,

- Construction of 4 emergency escape routes with exits to the surface,

- Improvements to accessibility of refuges and existing emergency exits,

- Modification of A14 / D7 intersection,

- Ventilation – increased smoke venting capacity,

- Fire detection,

- Video surveillance and automatic incident detection,

- Retransmission of radio communications,

- Central management system.

Consortium

BOUYGUES TRAVAUX PUBLICS (lead firm) / SPIE BATIGNOLLES / TPCI / SDEL / SEITHA / SETEC TPI / COTEBA

Project owner

DIRIF – Direction Interdépartementale des Routes d’Ile de France

Key figures

15 km

of underground road – safety enhancements

90%

of work at night

> 26 ha

of fire-resistant panels installed

Locations

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