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I have a residential sprinkler calculation out of NFPA 13R 2016.
Do you need to calculate a minimum of 4 residential sprinklers within the dwelling unit? I have a two-bedroom apartment unit and my most demanding area would be the two that are in the bedrooms and the two that are in the kitchen/living area. Can I consider the kitchen/living area a compartment separate from the bedrooms and calculate only these two sprinklers? Submitted anonymously and posted for discussion. Discuss This | Submit Your Question | Subscribe
6 Comments
Mike
9/1/2020 10:10:48 am
7.1.1.3.1 For each of the following situations, the number of
Nick
9/1/2020 10:11:46 am
No need to calculate 4 sprinklers. It is up to 4 sprinklers in a single compartment.
Patrick Turner
9/1/2020 10:15:32 am
Per NFPA 13R for Number of Sprinklers Required in a Calc Area: "The number of design sprinklers under flat, smooth, horizontal ceilings shall include all sprinklers within a compartment, up to a maximum of four adjacent sprinklers, that requires the greatest hydraulic demand". So as long as your kitchen/living area meets the definition of a compartment: A space completely enclosed by walls and a ceiling. The compartment enclosure is permitted to have openings in walls to an adjoining space if the openings have a minimum lintel depth of 8 in. from the ceiling and the openings do not exceed 8 ft in width. A single opening of 36 in. or less in width without a lintel is permitted when there are no other openings to adjoining spaces", then you only need the two sprinklers in the kitchen/living area.
M.Newell
9/1/2020 10:16:05 am
NFPA 13D says a maximum of 2 in a compartment (10.2.1) NFPA13D - 2019
Louie Lincoln
9/1/2020 10:47:18 am
To make a long story short. If they are separate rooms calculate the larger room.
Mike
9/1/2020 03:53:15 pm
Oops, I was wrong. Misread the opening part. My mistake Leave a Reply. |
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