I have a standpipe on the intermediate landing of each of the two stairs with a fire hose valve per the ahj.
Fire sprinkler roof manifold.
I dont think you need to have a combination system on a 2 storie building.
Can i eliminate the roof manifold in the stair that accesses the roof by providing an additional fhv at the top of the standpipe on the intermediate landing.
Cast brass construction with a female npt inlet and male npt or nst outlets.
This would save me from having to run the supply for the rm up the underside of.
Documents and resources technical data sheets.
Outlet manifold fppi s outlet manifolds are typically used as a roof outlet connection for fire service professions.
Specialty cabinets access panels.
The purpose of the roof manifold is to test the standpipe demand and test fire pump at roof if applicable.
If you have a fire pump the header should be at street level so that is out of the question.
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