We have a small building (less than 47,000 sqft) with basement, ground floor, first floor and roof protected with a sprinkler system. Fire pump room is in the basement.
In NFPA 13-2022, Section 184.108.40.206, there is no need to install floor control valve assembly (no need for sprinkler system either, but client insisted).
I've never designed such a small system; and as a result I have a couple questions:
(1) Is one flow switch after the fire pump sufficient for all floors? If not, do I need to provide each floor with a flow switch?
(2) Is an alarm check valve assembly required? If so, can it be used instead of a waterflow switch, or do we need to install both?
Any other tips for a smaller building would be greatly appreciated. Thanks in advance.
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