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UTILITY TUNNELS FIRE PROTECTION

Question asked by moisidis on Feb 11, 2019
Latest reply on Feb 11, 2019 by milt.werner

Application is for an underground Utility Tunnel, 7Km long.

Tunnel has (or it is suggested to have) 2 compartments, one for wet services (potable & irrigation water, district cooling) & one for dry services (power cables etc.).

Tunnel is to be accessible from O&M personnel.

Minimum Cross Section is 60m2.

Normal & Emergency Ventilation is to be through jet fans.

Which is the suggested engineering approach and NFPA codes to be used as a design basis for fire protection ?

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