Flammable medical gas supply cylinders located inside of a building must be stored in a separate room of not less than __ fire-resistive construction when exceeding 200 cu. ft.
The storage of flammable medical gas supply cylinders inside a building is regulated by 2021 International Fire Code (IFC) Section 5306 – Medical Gas Systems.
IFC Section 5306.2.1 – Storage of More Than 200 Cubic Feet of Medical Gases:
When the quantity of flammable medical gas exceeds 200 cubic feet, it must be stored in a separate room with a minimum 2-hour fire-resistance rating.
The room must also comply with ventilation and explosion control requirements per NFPA 99 (Healthcare Facilities Code).
Why Other Options Are Incorrect?
A. 1/2-hour – Insufficient fire resistance for high-risk gas storage.
B. 1-hour – Does not meet the minimum 2-hour requirement set by the IFC.
D. 3-hour – Exceeds the minimum required by code; the correct requirement is 2-hour fire-resistive construction.
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