Minnesota Administrative Rules

1323.0512 SECTION 5.1.2, SPACE CONDITIONING CATEGORIES.

ASHRAE 90.1 section 5.1.2.3. The exception to ASHRAE 90.1 section 5.1.2.3 is amended to read as follows:

Exception to 5.1.2.3: A space may be designated as either a semiheated space or an unconditioned space if approved by the building official. Unconditioned and semiheated spaces shall not be approved if there are automatic fire sprinkler systems unless those systems are designed to operate in below freezing temperatures. Signs indicating the maximum Btu heating input for semiheated spaces that is permissible by this standard shall be posted near the main entry location of the semiheated space. Posted signs shall be of an approved legible permanent design and shall be maintained by the owner or the owner's authorizing agent.

Statutory Authority:

MS s 326B.02; 326B.101; 326B.106

History:

47 SR 983

Published Electronically:

December 7, 2023