The BIG changes to BS 9991 💥

As promised, a bumper #TwoMinuteTuesday, packed with all the changes I could find to the #smokecontrol elements in the new draft of BS 9991. 📑
There are some really significant changes with which you should acquaint yourself as they’ll make a fundamental difference to the way buildings, systems and procedures are created, no matter whether you’re in #construction, #architecture, #engineering, or the #propertymanagement / #propertymaintenance sector.
Whilst it’s long, I hope you find it helpful and I’d be really glad of your comments on the proposed changes. 👇🏽 If you’ve spotted anything you think I’ve missed, likewise, please let me know 😊
#buildingregulations #britishstandards #smokeventilation #firesafety #fireengineering #fireandrescue #architects #mechanicalelectricalandplumbing
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[@submariner99]

I’m not understanding A.5.1.C. If the minimum dimension in any direction of the smoke shaft is 0.85m2 then this gives a minimum cross-sectional area of 0.7225m2 so where does 0.6m2 come from?

[@adyero]

Hi! Do you know anything about the changes with the new BS9991 2022? Have you seen the draft?

[@SertusLtd]

Thanks for the comment Adyero! Yes, if you take a look at the video, we run through the smoke ventilation changes to BS 9991. Cheers!

[@marnsmusiccovers147]

Hi there.For natural smoke shaft, are aov shaft doors not allowed as per the new bs9991 draft? Only smoke control damper allowed? Thank you.I subscribed.

[@SertusLtd]

Correct Marns, door type products won't be allowed and only BS EN 12101-8 dampers will be acceptable. Hope that helps 😊