• Sprinkler System in Open Floors

    At a high-rise open structure used for assembly occupancy, each floor is at 8m high and is without external walls. Each is intended to install automatic sprinkler system in each open floor in accordance with NFPA 13- ...
    last modified by hamad.koroni
  • Remote fire systems

    Greetings, Does anyone have some really good fire system ideas for remote generation. Imagine that you have 60 locations and getting service in these areas is expensive and sometimes not possible due to weather. ...
    last modified by dmaynor
  • Fire Hydrant Piping Leak

    we have recently commissioned our fire network consisting of fire hydrants and sprinklers. During the commissioning of fire pumps, it was found that pressure is dropping in the fire hydrant underground piping network ...
    last modified by ananthars90
  • NFPA Water Based Systems Designer

    Hi all,      I am a life scientist that is looking to make a career change. I am intrigued by fire sprinkler design because I have done quite a few installation jobs with my dad as a laborer (he o...
    last modified by travis_white
  • Pump Capacity Calculation

    Hi Please guide me how can I calculate Fire Pump Capacity for occupancy ordinary hazard Group II. Ground + 2 Story building that is 30,000 sq ft area of each floor having 2 normal exit/entrance and 01 emergency exit...
    last modified by info@emse.pk
  • Flexible coupling requirement for fire fighting pipes

    Need suggestion whether flexible coupling required or not for fire fighting pipes in a building having Expansion joint size 25mm.
    last modified by kalidas.pk
  • Welding / Fabrication Work According As As Per NFPA Standard

    Hi Kindly guide me Is any separate code or standard to briefly describe welding, fabrication procedure that show to AHJ or CFPS that welding is proper and as per NFPA. I try to find code from Codefinder but not foun...
    created by info@emse.pk
  • Fire Pump performance test

    What can be done if the owner does not have the manufacturer's pump performance curve?
    last modified by mikelangel
  • Residential Fire Sprinklers

    Can a fire sprinkler pipe (after common riser) be run underground, from one structure to another separate structure, on a residential lot? Or, is it required to have a separate fire sprinkler riser in each separated ...
    last modified by brook-1
  • NFPA 72 documentation

    I have an alarm company that is only supplying a list of passed signals as their NFPA 72 servicing documentation. They are saying that I am out of line requiring what is required by NFPA 72 sections 7.5.6 or a...
    last modified by jbales
  • NFPA Approved Hydraulic Calculation Software

    I am Fire & Safety Contractor in Pakistan. Question No 1 : Is any hydraulic Software that APPROVED by NFPA. Actually my new client's buyer requirement that type of software accepted that will approved by NFPA an...
    last modified by info@emse.pk
  • Missing data Plates for Fire Pumps

    We have completed several inspections over the past month with data plates missing from Fire Pumps. This is a yellow tag itself , however it creates a red tag as we don't have the performance data for the fire pump to...
  • Flow testing of hydrants and FHC.

    Please mention the standard/s and clauses mentioning the  flow test/ other acceptable tests for 1) fire hydrants 2) hose  cabinets
    last modified by ananthars90
  • NFPA 13 & 13R

    I have a multi use building in the planning stage. It will be 3 stories tall. The basement will be storage and 1 apartment unit. The first floor will be a restaurant. And the third floor will be 3 apartment units. The...
    last modified by bltemperly
  • Inquiry- protection of rubber tire storage in racks by CMDA sprinklers. Storage above 3,7m

    Good Morning   I’m a designer at sprinkler company in Poland   Our membership number is 3162872. We have a technical issue.   We have to protect tire storage in racks by the sprinkler installation...
    last modified by tmalanowicz
  • Fire Pump

    Dear NFPA   Does NPFA 20 strictly specify that a Fire Pump should be ULFM Listed? Our country’s fire code looks at NFPA Standards as a basis for designing fire protection systems.  I want to know al...
    last modified by romelacutim
  • Pressure Tank

    We are designing a sprinkler system for which we are using a pressure tank as per NFPA 13 and NFPA 22 for a water supply.  Both of these standards have a formula which calculates the tank air pressure which is re...
    last modified by rseverini
  • Flow Testing Hydrants Without Pitot

    I read NFPA 291 Section 4.9 about flow testing without a pitot gauge, but I do not understand where to get the variables. Can anyone help explain the process a little better to me?
    last modified by loganweaver15
  • Pressure reading for testing new Pumps

      As per NFPA 25 Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, in Chapter 8, the it states that if readings are above 95% of rated pump pressure, ...
    last modified by mazoon.ghalib
  • 2013-2016 Edition NFPA 13: (3)

    We have a Type 3 construction of a retrofit of 100 year old assembly building with concealed space below the 1st floor that meets all the requirements of The AHJ has questioned us, What is (3) Tight Construc...
    last modified by maasaicontracting