Sec.11-8-8. Vault doors

Latest version.

(a) Classification. Each door opening in the vault shall be provided with a vault door unit bearing a rating, in hours of fire-resistance, comparable to the classification of the walls of the vault. Ordinary fire doors such as hollow metal, tinclad, sheet metal or metalclad types, steel plate types and file room doors are not acceptable as vault doors.
(b) Installation. Installation of the vault door unit shall be made in conformity with instructions supplied by the manufacturer and shall be entrusted only to those experienced in such installation work.
(c) Escape device. The door-locking mechanism shall be of a type enabling a person accidently locked inside the vault to open the door from the inside.

                    
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