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Utility tunnel smoke mangment

Question asked by asia885 on Jun 1, 2016

Dear Experts,

In one of our project, we have a underground utility tunnel of1.5 km long, 6m height and 8m width. It consists of steel pipes & cables. and one way for service car ( small car to help maintenance team in travel through tunnel) .

Please give your opinion on:

-  the tunnel air conditioned and protected by sprinkler system but not have any smoke management system,is it  ok as per NFPA ? if not please help me to find rate of air change required to smoke extraction system.


Please advise.


Message was edited by: arafa salim