The hot topic of AFFFs and PFOS. Where is the requirement stating foam must be used for fire protection for a diesel generator inside a building?
We're looking to eliminate the need for foam instead of replacing it with "fluorine" free foam. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
8 Comments
Dan Wilder
7/15/2024 08:51:58 am
A diesel generator itself may not require foam, the diesel fuel storage tank may. That falls into Chapter 57 of the IFC but as for a specific protection scheme, I am not aware of anything only allows one option. Lots of factors about the existing building, equipment, and storage would also need to be reviewed.
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7/15/2024 10:06:05 am
We always protect diesel fuel storage tanks with a wet pipe sprinkler system in Turkey and at abroad projects where we are the FLS consultant.
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Jack G
7/15/2024 11:21:19 am
First , determine which codes and standards apply and then how they apply.
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Franck
7/15/2024 11:40:39 am
Emergency Power Diesel Generators are to be considered Extra Hazard Group 1 as per NFPA 13 (required density of 0.3/2500).
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Franck
7/15/2024 11:42:45 am
Extracts from NFPA 37 (no mention to provide foam in addition):
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Jack G
7/15/2024 11:56:42 am
If a room within a building I am assuming that it is enclosed with fire walls ,doors, assemblies of the proper fire rating.
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Anthony
7/16/2024 08:18:10 am
To answer the question when is foam required for a generator, I don't think it is as others have mentioned an extra hazard system will suffice. Foam may be required due to the volume of fuel present. IFC ch57 has some "where a fire code official requires" clauses that would require an NFPA 11 system for larger class 1,2 and 3 tanks. The language is a little unrefined and I think that leads many code officials to err on the side of caution and require it.
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Todd E Wyatt
7/16/2024 08:24:40 am
The scoping Code (e.g. IBC-2021) identifies where an automatic sprinkler system (ASPS) is required based on the Occupancy Classification(s) (OC) assigned to the building and/or “Specific Building Areas and Hazards”.
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