Analysis of Domestic and Foreign Standards and Conditions for the Prevention of Fire through Ducts

Ducts penetrating the fire compartment are passageways for spreading flames and smoke of igniting deposits attached to inside or fires from outside. Fires through ducts have a fast flame propagation speed difficult extinguish quickly because high-temperature heat. Therefore, in this study, improve risk ducts, need institutional improvement is confirmed by analyzing cases, comparing domestic foreign laws standards, current situation. As result, blind spot evident law at location damper installation mitigating condition compartments. There also gap regarding prepare preventive systems such as maintenance standards suppression commercial restaurant kitchens.