One link of many in the chain of wildfire survival in the face of an advancing wildfire a structure with a properly implemented fire smart program in combination with a rooftop sprinkler system has a survival probability of above 90.
Fire sprinkler roof manifold.
I dont think you need to have a combination system on a 2 storie building.
Hose stations accessories.
If you have a fire pump the header should be at street level so that is out of the question.
Use either straight and angle type globe or gate type hose valves for flow control.
Specialty cabinets access panels.
Cast brass construction with a female npt inlet and male npt or nst outlets.
I have a standpipe on the intermediate landing of each of the two stairs with a fire hose valve per the ahj.
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This would save me from having to run the supply for the rm up the underside of.
The purpose of the roof manifold is to test the standpipe demand and test fire pump at roof if applicable.