Jun 19, 2007 #1 rushco77 Mechanical Jun 19, 2007 1 0 0 US Can a separate exhaust duct from each of, say, 4 different floors be collected into a common shaft without fire or smoke dampers if the ducts do not interconnect and stay separate to the exterior of the building?
Can a separate exhaust duct from each of, say, 4 different floors be collected into a common shaft without fire or smoke dampers if the ducts do not interconnect and stay separate to the exterior of the building?
