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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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  • Blog
  • Forum
  • THE TOOLKIT
    • SUBMIT AN IDEA
    • BACKFLOW DATABASE*
    • CLEAN AGENT ESTIMATOR*
    • CLOUD CEILING CALCULATOR
    • DOMESTIC DEMAND*
    • FIRE FLOW CALCULATOR*
    • FIRE PUMP ANALYZER*
    • FIRE PUMP DATABASE*
    • FRICTION LOSS CALCULATOR
    • HANGER SPACER*
    • IBC TRANSLATOR*
    • K-FACTOR SELECTOR*
    • NFPA 13 EDITION TRANSLATOR ('19 ONLY)
    • NFPA 13 EDITION TRANSLATOR ('99-'22)*
    • LIQUIDS ANALYZER*
    • OBSTRUCTION CALCULATOR
    • OBSTRUCTIONS AGAINST WALL*
    • PLUMBING FIXTURE COUNTS
    • QUICK RESPONSE AREA REDUCTION
    • REMOTE AREA ANALYZER*
    • SPRINKLER DATABASE*
    • SPRINKLER FLOW*
    • SYSTEM ESTIMATOR*
    • TEST & DRAIN CALCULATOR
    • THRUST BLOCK CALCULATOR
    • TRAPEZE CALCULATOR
    • UNIT CONVERTER
    • VOLUME & COMPRESSOR CALCULATOR
    • WATER STORAGE*
    • WATER SUPPLY (US)
    • WATER SUPPLY (METRIC)
  • UNIVERSITY
    • JOIN
    • CATALOG
    • CONTENT LIBRARY
  • PE Exam
    • PE Forum & Errata
    • PE Store
    • PE Tools
    • PE Prep Series
    • PE 100-Day Marathon
  • LOGIN
  • PRICING
    • SOFTWARE & TRAINING
    • STORE
  • OUR CAUSE
    • ABOUT MEYERFIRE
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