Fire Protection Systems

mtroxell in Fire Protection Systems8 hours ago (Show more)

Sprinkler Heads in Produce Warehouse: Corrosion Resistant And Wax Coated?

If you are in a warehouse setting distributing produce, shouldn't you have sprinkler heads which are corrosion resistant and coated with wax? I appreciate your feedback

glennm@strose.edu in Fire Protection Systems4 days ago (Show more)

Updated Sequence of Operations & Drawings

when our fire alarm service company, who is the proprietary vendor for the product we use, makes changes, it is my understanding that they are required to provide an updated sequence or operations for the system and updated drawings. I have had work done recently and did not receive this. Is there a code reference that requires it and how would I… (Show more)

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chrisk (to glennm@strose.edu) 9 hours ago (Show more Show less)

Yes, NFPA 72, Chapter 7 lists all required documentation for new systems and additions or alterations to existing systems. Chapter 7.2 is the minimum required documentation, and includes drawings and sequence of operations.

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skritzer in Fire Protection Systems6 days ago (Show more)

Sprinkler heads in exhaust ducts - inspection

Is there an NFPA standard that requires sprinkler heads inside exhaust stacks to be inspected? NFPA 25 only requires inspection from the ground. #painted heads in ducts #sprinkler heads in exhaust stacks

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anthonyc (to skritzer) 10 hours ago (Show more Show less)

If the sprinklers are in the hood or exhaust ducts of commercial cooking equipment then they must be replaced annually see NFPA 25 5.4.1.7.

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anthonyc in Fire Protection Systems11 hours ago (Show more)

Are sprinklers required for outside dinning if non combustible projection

We have a single story stand alone building under 5,000 sq ft with an A-2 occupancy. the building is non-combustible construction and has a roof projection of approximately 7'-0. during the design it was determined that due to the fact that the roof projections where non-combustible then no sprinkler protection was required underneath. a new… (Show more)

nirmalraj.muthu in Fire Protection Systems15 hours ago (Show more)

Sprinkler hydraulic calculation

Hi, NFPA 13-2019 version clause 26.27.1.8. Fire pump room design density shall be 10.2 mm/min. In a G+4 building fire pump room is located at basement. At fourth floor the furthest sprinkler design density is 6.1 l/min. Question: In this case the hydraulic calculation of sprinkler shall be considered based on highest hazard i.e 10.2 mm/min… (Show more)

joeamanda48 in Fire Protection Systems3 days ago (Show more)

AUDIBLE ALARM FOR PATIO/BEER GARDEN

Good morning, I have a question about a patio/beer garden, it is basically a fenced area outside the establishment with correct egress and everything is in order with the question to whether an audible fire alarm is needed in that area. Does anyone know if this is a requirement in Canada? Joe Newfoundland Canada

josephjojoadoor in Fire Protection Systems3 days ago (Show more)

Ordinary Hazard

Good Day.... I have a project in Bahrain....The consultant is insisting to provide hydraulic calculation based on OH 4 (ordinary hazard group 4) & selection of fire pump based on OH 4 (ordinary hazard group 4).....The project is of a Church & Auditorium.......We are following NFPA standards in Bahrain......A document was provide to us detailing… (Show more)

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nocivus (to josephjojoadoor) 3 days ago (Show more Show less)

There's no such thing as Ordinary Hazard 4 in NFPA 13 or any other NFPA standards. Looking at the attached document, it seem that OH4 does exists in european standards. I'm no familiar with european fire protection standards, so I don't know if there's equivalency between NFPA and EN standards. If NFPA 13 is applied to the occupancy, the church…

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bpeck in Fire Protection Systems3 days ago (Show more)

Operable Fresh Air Intakes

NFPA 96 - Ventilation Control and Fire Protection of Commercial Cooking Operations I have a restaurant on the first floor of a three story building. The exhaust fan terminates on a side wall at the first floor level. There are several glass windows above the exhaust fan. The windows are locked from the inside but there is nothing preventing… (Show more)

pothier.celine in Fire Protection Systems6 days ago (Show more)

Water mist system vs Lithium metal

Hi, Does anyone know if water mist fire suppression system can be used on lithium metal (not lithium ion)? If not, Is CO2 could be a better option, in this case? Which fire suppression system type would be the most effective on lithium metal? Thank you

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michal.lein (to pothier.celine) 4 days ago (Show more Show less)

Large scale sprinklered fire test of 20 Ah Lithium-ion Polymer Pouch Batteries in Warehouse Storage https://www.youtube.com/watch?v=NeaK9V69Xks I'd say it was more corrugated carton fire, so if you will decide to sprinkler this storage, put in into cartons. Otherwise locate it in some low value fire rated cut off building

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rodriguez@colasrail.com in Fire Protection Systems4 days ago (Show more)

What is the difference between one control panel EN 12845 and one NFPA 20

EN 12845 control panel vs NFPA 20 Control panel

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