• Open ceilings

    Could someone tell me where can I find ceiling manufacturer that has open ceiling that fulfills this requirements: the open grid is a minimum of 70% open, and the open grid is a maximum of 6 mm deepor the open grid...
    michal.lein
    last modified by michal.lein
  • How many systems?

    A 70,000 sq ft rack storage warehouse is being built with sprinklers at the ceiling and in-rack sprinklers in the racks.  How many sprinkler systems need to be installed in the warehouse?
  • Residential Sprinkler Density

    Residential sprinklers installed in accordance with NFPA 13 – 2019 must discharge with a minimum density of: A. 0.05 gpm/sq ft B. 0.1 gpm/sq ft C. 18 gpm for a 12’ x 12’ area for a s...
  • Flow to the remote sprinkler

    A warehouse is being built to protect double row rack storage of Class III commodity with racks that are 20 ft high and one level of in-rack sprinklers (k-5.6) half-way up the rack structure.  What flow is requir...
  • In-rack sprinklers hydo calc

    A warehouse is being built to protect double row rack storage of Group A plastic commodity with racks that are 20 ft high and two levels of in-rack sprinklers in the rack structure.  How many in-rack sprinklers n...
  • In-rack sprinklers

    A warehouse is being built to protect double row rack storage of Class III commodity with racks that are 20 ft high and one level of in-rack sprinklers half-way up the rack structure.  How many in-rack sprinklers...
  • Flow to the most remote in-rack sprinkler

    A warehouse is being built to protect double row rack storage of Group A plastic commodity with racks that are 30 ft high and two levels of in-rack sprinklers (k-8.0) in the rack structure.  What flow is required...
  • Monitoring Requirements

    Are sprinkler systems required to be monitored in Tulsa, OK? 
    cooperj
    created by cooperj
  • NFPA 13 Obstruction Clearance

    Does anyone know if NFPA 13 has verbiage concerning a clearance of a movable obstruction (jib hoist) located under a sprinkler system head?   Michael Jett
  • Distance between spinklers

    (11)  K-8.0 spray sprinklers are going to be used to protect a storage configuration at a density of 0.3 gpm per sq ft. What is the maximum allowable distance between standard spray sprinklers? A. 8 ft B...
  • Jockey pump for hose reel system

    Hello sir I want to ask a question I have fire fighting system in a building the system is hose reel cabinets only there is no sprinklers. I want to use ul/fm pump for the system contains primary and second...
    eng.hamza.fadda
    last modified by eng.hamza.fadda
  • nfpa 13 ed.2019  ---> 25.8.2

    Good morning chapter 25.8.2.4 (d) (e) indicates the position of sprinklers for Double-row racks protection, what happens if the two racks do not have the same step ? In my case one of the two racks has a different bea...
    amministrazione
    created by amministrazione
  • Residential fire death

    The residential fire statistic that seems to be consistent is: A. 20% of all structure fires produce a death B. 80% of deaths occur in residential fire C. 50% of deaths occur in apartment fires D....
  • Suppress fire in storage warehouse

    Which of the following sprinklers is designed to suppress a fire in a storage warehouse rather than just control it? A. K-8 spray sprinkler B. K-11.2 spray sprinkler C. K-5.6 spray sprinkler D. ...
  • Rack characterized as...

    A rack structure that is 16 ft wide with two flue spaces running down the length of the structure would be characterized as a: A. Single row rack B. Double row rack C. Multiple row rack D. Movab...
  • Acceptable density

    (15)  When protecting palletized storage of expanded exposed Group A plastic in a stable array stored up to 25 ft high in a 30 ft building, What is an acceptable density (measured in gpm per sq. ft)? A. 0.5 ...
  • Max spacing for sprinkler

    (13) K-8.0 spray sprinklers are going to be used to protect a storage configuration at a density of 0.3 gpm per sq ft. What is the maximum allowable spacing for standard spray sprinklers? A. 80 sq. ft B. 10...
  • Max spacing

    (12) K-4.2 spray sprinklers are going to be used to protect a Class I commodity at a density of 0.15 gpm/sq. What is the maximum allowable spacing for standard spray sprinklers? A. 80 sq. ft B. 100 sq. ft ...
  • Distance between sprinklers

    (10)  K-4.2 sprinklers are going to be used to protect a Class I commodity at a density of 0.15 gpm/sq. What is the maximum allowable distance between standard spray sprinklers? A. 8 ft B. 10 ft C....
  • Sprinkler temperature in Atriums

    Hi. Is there a requirement on the use of intermediate temperature sprinklers in atriums of 40 ft in height inside malls? Or, standard temperature of 135-155 degree F is allowed? 
    kefm23
    last modified by kefm23