Mar 4, 2011 · Hi Everyone, In recent design of thrust blocks for a fireline installation, I came across values reported on the NFPA 24 code which raised a few questions. More specifically the NFPA 24 2002 edition. In design of thrust blocks, NFPA 24-02 calls out the thrust equation under figure A.10.8.2(a)...

Jun 4, 2014 · All, I had a question involving closure fusion welds or closure bolt-ups on a private fire main system. NFPA 24 states "all piping and attached appurtenances shall be hydrostatically tested" and basically thats all it says about testing. This is …

Jul 8, 2006 · My plumbing code lists 10 feet/sec as the maximum flow velocity in pipes for domestic water. I can't find a similar restriction in either the UFC or NFPA 24 for fire mains. Does anyone know if there is one? Thanks, DPAJR

Sep 10, 2015 · In past editions of 24, did it have wording saying something like " you shall or should protect the underground pipe where it comes through the foundation/ floor' ??? And people took the to mean no plastic pipe, it needed to be metal of some type?

Mar 11, 2009 · NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection, 2007 edition. NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, 2002 edition.

Mar 6, 2012 · Then your design needs to comply with NFPA 24 for the underground private fire service main and NFPA 13 for the automatic sprinkler system. If the building requires a standpipe, it need to comply with NFPA 14 and can be part of the automatic sprinkler system. You can't use HDPE pipe for the underground.

Oct 31, 2008 · NFPA 13 states you cannot run Fire Service mains below a building unless precautions are taken. I'm a bit confused at this. I have a situation where the only water supply is on the opposite side of the building and the only way to get the service into the water service entrance room is from underground.

Nov 8, 2009 · 24.2.1.3 Where cold weather will not permit testing with water, an interim air test shall be permitted to be conducted as described in 24.2.2. This provision shall not remove or replace the requirement for conducting the hydrostatic test as described in 24.2.1.1.

May 29, 2013 · From NFPA 24 " Standard for the Installation of Private Fire Service Mains and Their Appurtenances" - 2002 Edition Section 7.2 having to do with number and location of hydrants.

Feb 13, 2009 · NFPA 24 permits it. However, the IFC requires a minimum fire flow of 1500 GPM @ 20 PSIG for commerical buildings. Your hydraulic analysis and site geometry will most likely drive the pipe diameter.