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TAKEAWAYS AS A FIRE PROTECTION ENGINEER

Determining the Class of a Flammable or Combustible Liquid

4/18/2018

 
Occasionally I've been asked to look into storage quantities of flammable or combustible liquids.

This typically comes up in research and development facilities and laboratories, where the quantity of different liquid classifications becomes important. 

Liquid fires present a different challenge than pyrolysis of solids as the shape of the fire can change quickly and the speed of ignition can be significantly faster than fire growth of solids.

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Cabinets and sprinkler protection can contribute to increasing allowable storage quantities, but in order to do so, an evaluation must first be made to the different  classifications for the liquids.

Many code and standard requirements depend on the classification of a Flammable or Combustible Liquid, such as storage locations, limits in quantity, limits in storage height, grouping, arrangement, whether control areas are necessary, and auxiliary requirements such as secondary containment and sprinkler densities.

Where projects are subject to the International Fire Code, Chapter 34 (2003-2009 Editions) or Chapter 57 (2012-2018 Editions) begin to address these limitations and impacts. Where NFPA 30 (Flammable and Combustible Liquids Code) is applied, the entire standard sets precedents for these limitations and impact.

This basic tool below is what I use to begin to assess and compile the classes and quantities for flammable and combustible liquids. Entering in only the Flash Point, Boiling Point, and quantity will identify and sum the totals that I can then use to assess against code and standard requirements.
​

(If you don't see this tool above, click here to view)

As I mentioned last week, I'm working towards a downloadable, printable software package where you can use all these tools on your own computer. It should help simplify and dramatically speed up using these tools. I hope to have this available by late May.

​Interested in seeing more articles like this, or want to stay in the loop with all the latest tools? Subscribe today.
Van herpe koen
4/18/2018 12:09:46 pm

Top tools. Keep on doping this
Best regards
Koen
Looking forward the next surprise

Satyanarayana
4/27/2018 12:50:27 pm

Thanks for sharing


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    Joseph Meyer, PE, owns/operates his own Fire Protection Engineering practice in St. Louis, Missouri. See bio on About page.

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The views, opinions, and information found on this site represent solely the author shown and do not represent the opinions of any other party, nor does the presented material assume responsibility for its use. Fire protection and life safety systems constitute a critical component for public health and safety and you should consult with a licensed professional for proper design and code adherence. Some (not all) outbound links on this website, such as Amazon links, are affiliate-based where we receive a commission for orders placed elsewhere.
  • Blog
  • Forum
  • PE Exam
    • PE Forum & Errata
    • PE Problems
    • PE Store
    • PE Tools
    • PE Prep Series
  • TOOLS
    • TOOLKIT (FREE TRIAL)
    • *TOOLKIT (PURCHASE)
    • SUBMIT AN IDEA
    • BACKFLOW DATABASE*
    • CLEAN AGENT ESTIMATOR
    • CLOUD CEILING CALCULATOR
    • DOMESTIC DEMAND
    • FIRE PUMP ANALYZER
    • FIRE PUMP DATABASE*
    • FIRE FLOW CALCULATOR*
    • FRICTION LOSS CALCULATOR
    • HANGER SPACER
    • IBC TRANSLATOR*
    • K-FACTOR SELECTOR
    • NFPA 13 EDITION TRANSLATOR ('19 ONLY)
    • NFPA 13 EDITION TRANSLATOR ('99-'19)*
    • LIQUIDS ANALYZER*
    • OBSTRUCTION CALCULATOR
    • OBSTRUCTIONS AGAINST WALL*
    • PLUMBING FIXTURE COUNTS
    • REMOTE AREA ANALYZER
    • QUICK RESPONSE AREA REDUCTION
    • SPRINKLER DATABASE*
    • SPRINKLER FLOW*
    • TEST & DRAIN CALCULATOR
    • THRUST BLOCK CALCULATOR
    • TRAPEZE CALCULATOR
    • UNIT CONVERTER
    • VOLUME & COMPRESSOR CALCULATOR
    • WATER SUPPLY (US)
    • WATER SUPPLY (METRIC)
  • TOOLKIT
  • LOGIN
  • STORE
  • About