What provisions are applicable to multi-story venting of gas fired heaters?
A. FGC Section 503.6.10 provides that a single or common gas vent shall be permitted in multi-story installations in accordance with the fuel gas code. There are no requirements for these appliances to be in a fire-rated room, a furnace room. Section 302.2 requires fire-stopping of the penetrations of the vertical separations, the floors of the building.