Minnesota Administrative Rules

1305.1009

[Renumbered 1305.1000, subps 3 and 4]

1305.1009 SECTION 1009, STAIRWAYS AND HANDRAILS.

Subpart 1.

IBC section 1009.13.

IBC section 1009.13 is amended to read as follows:

1009.13 Alternating tread devices. Alternating tread devices are limited to an element of a means of egress in buildings of Groups F, H, and S from a mezzanine not more than 250 square feet (23 m²) in area and which serves not more than five occupants; in buildings of Group I-3 from a guard tower, observation station, or control room not more than 250 square feet (23 m²) in area and for access to unoccupied roofs. Access to mechanical equipment or appliances on a roof shall be in accordance with Section 1209.3.1 and the Minnesota Mechanical Code.

(IBC Sections 1009.13.1, 1009.13.2, and the exception still apply.)

Subp. 2.

IBC section 1009.14.

IBC section 1009.14 is amended to read as follows:

1009.14 Ships ladders. Ships ladders constructed as required for permanent stairs in accordance with Minnesota Rules, part 1305.1209, shall be permitted to be used as a means of egress component at the following locations:

1. Ships ladders are permitted to be used in Group I-3 occupancies for means of egress at control rooms or elevated facility observation stations not more than 250 square feet (23 m²) in floor area.

2. Ships ladders are permitted to be used as a component for means of egress at recessed or elevated floors or platforms when the area served has an occupant load of five or less and the space meets all of the following criteria:

(a) access to the area served is limited to building facilities staff, maintenance staff, employees, or other authorized personnel;

(b) required access to the area served is limited and periodic;

(c) the area served is used for building maintenance service functions, or for equipment access or monitoring;

(d) the area served is not required to have a second means of egress by other provisions of this code; and

(e) the area served is not classified as a Group H occupancy.

3. Ships ladders are permitted to be used for access to unoccupied spaces in accordance with Minnesota Rules, part 1305.1209.

Statutory Authority:

MS s 16B.37; 16B.59 to 16B.76; 326B.02; 326B.101 to 326B.194

History:

27 SR 1474; 32 SR 7; L 2007 c 140 art 4 s 61; art 13 s 4; L 2008 c 337 s 64; 39 SR 1605

Published Electronically:

June 19, 2015