NFPA 291

According to NFPA – NFPA 291 provides guidance on fire flow tests and marking of hydrants in order to determine and indicate the relative available fire service water supply from hydrants and to identify possible deficiencies which could be corrected to ensure adequate fire flows as needed.

• This standard is an allowable reference in:
  

I&T Water-Based Systems LII; Water-Based Layout LI, LII, LIII Hydraulics (2016 Edition)