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Leak detection system of LPG underground piping

Question asked by surr.meta on Apr 21, 2020

Dear Gentlemen , 


I have an LPG plant with long underground network to reach accommodation buildings . The consultant is insisting to have a leak detection system on underground network .


I looked for the requirements of LPG underground network in NFPA 58 but i couldn't find any related information .


Please i need your help /advise .  Is it mandatory or recommended to install a leak detection system for such application.


Thank you .