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I want to ask about guideline to install underground standpipe piping crossing underground rail track way?

Question asked by Amr Mahmoud on Jul 6, 2016
Latest reply on Jul 6, 2016 by Paul Smith

NFPA 130

 

I want to ask about guideline to install underground standpipe piping crossing underground rail track way?

 

If it will be embedded in concrete, how it will be be maintained?

 

Notes: there''s no area above ground to make hatches or covers for underground trenches.

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