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February 21, 2020

 Road tunnels and technology in an operational perspective
Arild Petter Sovik, Tunntech Global News

Large scale fire tests with fixed firefighting systems

Written by  Oct 18, 2017

In this report presents SP Technical Research Institute of Sweden the main results of the six large-scale tests with different types of fixed firefighting system (FFFS) that were carried out in the Runehamar tunnel in June 2016.

The heat release rate for the deluge systems upon activation ranged between approximately 8 and 12 MW. In five of the tests, the heat release rate was controlled within 15 minutes of activation. The fire was then suppressed over a period of 10-30 minutes by the TN-25 nozzles, indicating that the system prevented further fire spread within the main fuel area. This nozzle was the best of those tested in terms of performance. 

Link: Report

Last modified on Sunday, 03 December 2017 20:03
Arild Petter Sovik

Editor, Tunntech Global News

E-mail:  arild.sovik@tunntech.no
Phone:  +47 950 88 793


News coverage based on many years of experience from key positions in the industry. Former National Tunnel Manager at the road authorities (NO), senior principal development manager at a major tunnel contractor company (NO) and experience from a wide number of activities in national and international networks. 


Website: www.sovikconsulting.no
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