I have a multi-story building under a single owner. It consists of a first floor 25,000 sqft area and a second floor, also of 25,000 sqft in area which has a high barrel roof, about 40 ft above the floor.
This second level is unique in that a portion of its area has two levels of rooms, one stacked on the other. Each level is 10,000 sqft in area. To visualize these, consider the first level being individual meeting/office/bathrooms having ceilings and a structure overtop. The second level is of similar area/occupancy/ceiling and is built on top of this lower structure. The architect actually refers to this second level as a mezzanine. The area above the these rooms is open to the high roof. The building is sprinklered throughout per NFPA 13 (2016). A standpipe is not required per IBC 905.3.1.
My position is that the building can be protected as a single zone without floor control valves as it is two stories in height plus a mezzanine under the control of a single owner. Further, the two levels of rooms at Floor 2 are referred in A.22.214.171.124 which gives guidance that 126.96.36.199 is not intending to require floor control valves on small buildings under the supervision of a single owner. Reference NFPA 13 (2016) 188.8.131.52, A.184.108.40.206, 8.2.1, 8.2.2.
Strictly per the standard, are floor control valves required for each level of this building?
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