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For those experienced or well-versed in site utilities, what options for underground fire service pipe would you recommend? What is currently regarded as the most common options?
I understand ductile iron, concrete, plastic, copper and stainless steel are all permitted by NFPA 24. Posted anonymously by a member for discussion. Discuss this | Subscribe
6 Comments
Rob Stewart
1/11/2019 10:19:00 am
Ductile Iron is still very common. You see a lot of C900 PVC used in Arizona. On larger underground projects you are seeing more HDPE being used.
Mark Connolly
1/11/2019 12:28:00 pm
I'd go with the HDPE if you get the choice. It holds up, is flexible and easy to modify for future needs.
Ed Siener
1/14/2019 01:31:11 pm
The flexibility increases HDPE's robustness under seismic inputs if that is a consideration.
Nimal Tissa Wijetunga
1/12/2019 11:32:22 pm
Please check Table - 10..1.1 of NFPA 13, 14 & 24 for list of required piping with product specifications for Underground piping or any pipe with FM Approval for utilising in fire systems as Underground pipes.
Brian Gerdwagen FPE
1/14/2019 11:08:03 am
Be sure to check the soil for corrosion potential. That alone may drive you to plastic for the majority of the piping. You will need to asphalt paint stainless bolts and poly wrap ductile where you need to use metal pieces, but there is not of pipe type for all conditions.
Dan Fis Co
2/11/2022 11:01:47 am
underground 6" water line Leave a Reply. |
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