RSET & ASET

Ever wondered what RSET and ASET were all about? Thought not... 😅
But anyhow, here's this week's #TwoMinuteTuesday and in it, we're going over what RSET and ASET are and how together they form a key #fireengineering tool.
I hope you find it helpful, if you want more of the same content, subscribe to our KZbin channel (link in comments) 👇🏼
#firesafety #fireprotection #fireandrescue #construction #engineering #architecture #smokeventilation #smokecontrol Sertus Ltd
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[@jamesharris1622]

Thank you, very useful the quick 2 minute tuesdays!

[@SertusLtd]

Thanks James, really glad you find them helpful! 😊

[@ibrahimn.j.4943]

So, would you compare evacuation drill against ASET as your benchmark to evaluate your evacuation performance? Or are there other means/benchmarks to measure evacuation performance (in terms of time)?

[@lloyddy2518]

Thanks for the video, very educational. I do have a question but it is slightly out of topic and hope you don't mind. What is the difference between fire engineers and fire protection engineers? I believe what you discussed just now is one of the responsibilities of "fire engineers", do fire engineers design fire protection systems as well?

[@SertusLtd]

Hello Lloyd, thanks for your comment and kind words! 😊 Based on our opinion of the terms, they are synonymous in the UK, BS 4422 (Fire. Vocabulary) doesn’t list Fire Protection Engineer: 3.362 Fire protection Measures taken in the design or equipment of buildings or other structures to reduce the danger from fire 3.363 Fire protection, structural Features in a building’s layout and/or construction which are intended to reduce the effects of a fire With a Fire Protection Engineer typically involved in passive protection (e.g. fire stopping etc.), a Fire Engineer is anyone working within the core designs of the buildings which can be from full-scale fire tests to sprinkler designs. I believe the term originaltes from the US, with Society of Fire Protection Engineers (SFPE) which (in the US) is purely the term for Fire Engineers, whereas we may have a slight discrepancy due to passive installers. I trust this helps?

[@safwani1377]

I have a quistion if you dont mind, so the only way to calculate the RSET AND ASET are only by CFD models or it can be done by hand calculations?

[@alirezatootoonchian9670]

Not sure if you're still looking for an answer after 9 months but yes this can be done by hand calculations. As a matter of fact, this was part of my education to calculate it manually. It's a little tedious work and you need to organise your calculations, but certainly can be done. You can assume a fire growth and fire size and calculate the RSET. Then you can calculate the evaucation time ASET by making some assumptions from the recent research on evacuation. While it's possible to do it by hand, it may be better to use software for it. My two reasons for this suggestion is: 1. It's much easier to work with a software as engineer and try to optimise the work/calculation. 2. It's much easier to be verified by inspectors, fire brigade, or any fire engineer who is assigned to check your work.