Fire Sprinkler Roof Manifold

I dont think you need to have a combination system on a 2 storie building.

Fire sprinkler roof manifold.

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. Use either straight and angle type globe or gate type hose valves for flow control. Cast brass construction with a female npt inlet and male npt or nst outlets. The purpose of the roof manifold is to test the standpipe demand and test fire pump at roof if applicable.

This would save me from having to run the supply for the rm up the underside of. I have a standpipe on the intermediate landing of each of the two stairs with a fire hose valve per the ahj. Cancer and reproductive harm www p65warnings ca gov. Hose stations accessories.

Specialty cabinets access panels. 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.