Fire sprinkler system - most unfavorable location

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SUMMARY

The discussion focuses on determining the most unfavorable location for a fire sprinkler system in a parking garage, specifically following the EN 12845 standard. The participant expresses uncertainty about whether to assume a probable location or conduct multiple calculations to identify the worst-case scenario. It is established that placing the sprinkler head over a drain is highly unfavorable. The participant also mentions finding valuable resources related to Hydraulic Sprinkler System Design through online searches.

PREREQUISITES
  • Understanding of EN 12845 standards for automatic sprinkler systems
  • Knowledge of hydraulic calculations for fire protection systems
  • Familiarity with NFPA guidelines for sprinkler system design
  • Basic principles of fire safety engineering
NEXT STEPS
  • Research the hydraulic calculation methods for fire sprinkler systems
  • Study the NFPA 13 standard for sprinkler system design
  • Explore case studies on unfavorable sprinkler locations in parking garages
  • Learn about the impact of drain placement on sprinkler system effectiveness
USEFUL FOR

Fire protection engineers, safety compliance officers, and anyone involved in the design and installation of fire sprinkler systems in commercial properties.

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I'm about to do some calculations for a sprinkler system in a parking garage (OH2). This system follows EN 12845 (design of automatic sprinkler systems), but I'm sure the procedure for what I'm about to ask is quite similar in NFPA as well.

I need to determine the system's most unfavorable location, and I'm not quite sure how to do this. Just by nature of the design I have a pretty good idea of where it will probably be, but is that a good enough reason? There is a chance it might be somewhere else, so unless I do several calculations of different areas I won't know for certain. Is it ok to assume where it is and calculate that area?
 
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Putting it a few inches over a drain would probably be the worst place. :oldtongue:

Seriously though, I found quite a few good links by googling Hydraulic Sprinkler System Design.
 

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