GREB Section 405.1 is amended to read as follows:
405.1 In any work area, newly constructed vertical openings through a floor ceiling assembly shall comply with the requirements of the Minnesota State Building Code.
GREB Section 405.2 is amended to read as follows:
405.2 In any work area, all existing interior vertical openings through a floor ceiling assembly shall be enclosed with approved assemblies having a fire-resistance rating of not less than one hour with approved opening protection.
(The exceptions are included and remain unchanged.)
GREB Sections 405.3, 405.4, and 405.5 are amended to delete the reference to "(Supplemental requirements)."
27 SR 1479; L 2007 c 140 art 4 s 61; art 13 s 4
February 23, 2009
Official Publication of the State of Minnesota
Revisor of Statutes