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Section 506 Key Boxes

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506.1 Where Required
Where access to or within a structure or an area is restricted because of secured openings or where immediate access is necessary for life-saving or fire-fighting purposes, the fire code official is authorized to require a key box to be installed in an approved location. The key box shall be of an approved type listed in accordance with UL 1037, and shall contain keys to gain necessary access as required by the fire code official.
506.1.1 Locks
An approved lock shall be installed on gates or similar barriers where required by the fire code official.
506.1.2 Key Boxes for Nonstandardized Fire Service Elevator Keys
Key boxes provided for nonstandardized fire service elevator keys shall comply with Section 506.1 and all of the following:
  1. The key box shall be compatible with an existing rapid entry key box system in use in the jurisdiction and approved by the fire code official.
  2. The front cover shall be permanently labeled with the words "FIRE DEPARTMENT USE ONLY—ELEVATOR KEYS."
  3. The key box shall be mounted at each elevator bank at the lobby nearest to the lowest level of fire department access.
  4. The key box shall be mounted 5 feet 6 inches (1676 mm) above the finished floor to the right side of the elevator bank.
  5. Contents of the key box are limited to fire service elevator keys. Additional elevator access tools, keys and information pertinent to emergency planning or elevator access shall be permitted where authorized by the fire code official.
  6. In buildings with two or more elevator banks, a single key box shall be permitted to be used where such elevator banks are separated by not more than 30 feet (9144 mm). Additional key boxes shall be provided for each individual elevator or elevator bank separated by more than 30 feet (9144 mm).
Exception: A single key box shall be permitted to be located adjacent to a fire command center or the nonstandard fire service elevator key shall be permitted to be secured in a key box used for other purposes and located in accordance with Section 506.1.
506.2 Key Box Maintenance
The operator of the building shall immediately notify the fire code official and provide the new key where a lock is changed or rekeyed. The key to such lock shall be secured in the key box.

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