Thank you Emrelug84 for your response.
I wanted to clarify more of how this shaft enclosure is being used. The shaft enclosure contains a variety of ducts for exhaust, relief, and outside air. The shaft does not have moving air, only the ducts inside the shaft do. The existing ducts in the...
Hello All,
We have an outside air duct that penetrates a rated shaft enclosure (shaft connects 4 floors) and the OA duct goes straight up to the roof and discharges to the outside. The OA duct does not connect into any other floor on the way up to the roof. My question is if a fire smoke damper...