Section 904.2.1 of the Uniform Building Code as adopted and maintained by the state Building Code Council is amended to read as follows:

904.2.1 Automatic Fire-extinguishing Systems. Where required. An automatic fire-extinguishing system shall be installed in the occupancies and locations as set forth in this section. For provisions on special hazards and hazardous materials, see the Fire Code.

EXCEPTION: Automatic sprinkler systems shall not be required for controlled atmosphere storage rooms in which refrigeration apparatus is installed to control the temperature in the storage rooms and gas-tight seals are incorporated in the construction of the rooms. In addition, gas tight seals must be used to facilitate the maintenance of an atmosphere within the storage rooms that is lower in oxygen content and higher in nitrogen and carbon dioxide content than normal atmosphere. (Ord. 2001-24 § 9, 2001).