Sprinkler Facts

A few often quoted facts relating to Fire Sprinklers:

  • 99% of fires were controlled by sprinklers alone,
  • 60% of fires were controlled by the spray from no more than 4 sprinklers,
  • In New Zealand, where all fires have had to be reported for over 100 years, records show that sprinklers have been effective in 99.7% of cases.
  • No one in the UK has ever died as a result of a fire in a building with a working sprinkler system
  • Only the sprinkler heads in the immediate vicinity of the fire actually operate.
  • Sprinkler heads can be completely concealed.
  • Sprinkler systems do not need pumps or tanks if mains pressure is adequate.
  • Sprinklers do not ‘false alarm’ they will only operate if there is an actual fire.
  • For a small additional cost an alarm switch can be built-in to the system to call the fire brigade automatically should the sprinklers operate.
  • Maintenance costs for sprinklers are very low.
  • Sprinklers save lives – and property – and are the only devices which can detect a fire, sound the alarm, call the fire brigade and extinguish or control the fire.
  • Sprinkler systems reduce greenhouse gasses emitted by a burning building by 98%.

 

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3 Responses to Sprinkler Facts

  1. Paul Grant says:

    Please can you tell me what is the minimum mains pressure required for a sprinkler system?

  2. Matty says:

    System designs are based upon the hazard classification of the premises and the processes carried out within: the requirements for which differ massively.

    For an Ordinary Hazard III System (general use with minimal storage), the Town’s Main would need to provide pressures of 1.4 bar + s & 1.7 bar + s at flow rates of 1,350 l/min & 1,100 l/min respectively (where s is the static pressure due to the height of highest sprinkler above the alarm valve).

    I’d recommend contacting an LPS Level 4 sprinkler contractor or your insurer. You could also try the forum pages on this site.

  3. JonDanzig says:

    One of world’s biggest fire losses took place at the Ford factory warehouse in Cologne, Germany in 1977. Your readers may be interested to watch a short documentary I subsequently wrote and directed, ‘Burning Questions’, that highlighted the importance of the Building’s Users operating within the design parameters of the Sprinkler System and the disastrous results than can occur should significant changes to storage methods be made. It can now be freely viewed on my YouTube channel at EyesEars.com:

    http://youtu.be/HABoEqMgHvY

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