We are trying to determine Fire Flow according to Annex of IFC 2022.
It says: B104.1 General The fire-flow calculation area shall be the total floor area of all floor levels within the exterior walls, and under the horizontal projections of the roof of a building, except as modified in Section B104.3. B104.2 Area Separation Portions of buildings that are separated by fire walls without openings, constructed in accordance with the International Building Code, are allowed to be considered as separate fire-flow calculation areas. Does this mean we need to add in (include) the area of basement to the floor area for Fire Flow? Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
8 Comments
Pete H
3/26/2024 07:09:54 am
I'd say yes unless the basement is separated from the building by fire walls without openings.
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chad
3/26/2024 08:03:47 am
100% yes.
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Anthony
3/26/2024 08:44:26 am
I agree with Chad and Pete here.
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Dan
3/26/2024 08:43:13 am
FLOOR AREA, GROSS. The floor area within the
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Todd E Wyatt
3/26/2024 08:44:17 am
The quoted section states “all FLOOR LEVELS within the exterior walls” so the “BASEMENT” would be included in this calculation.
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Jesse
3/26/2024 10:02:08 am
Absolutely yes.
Reply
Jim
3/26/2024 12:43:44 pm
THANKS, Guys!
Reply
Glenn Berger
3/26/2024 03:55:40 pm
If the Basement has the greatest hazard and therefore the greatest fire flow demand, then the answer is to the question is yes.
Reply
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