Minnesota Administrative Rules

1323.0210 SECTION 2, SCOPE.

Subpart 1.

ASHRAE 90.1 section 2.1.

ASHRAE 90.1 section 2.1 is amended to read as follows:

2.1 This standard provides:

a. minimum energy-efficient requirements for the design and construction, and a plan for operation and maintenance of:

1. new buildings and their systems;

2. new portions of buildings and their systems;

3. new systems and equipment in existing buildings;

4. new equipment or building systems specifically identified in the standard that are part of industrial or manufacturing processes;

5. all historical buildings as defined in Minnesota Rules, part 1300.0070, subpart 12a;

6. alterations to existing buildings; and

7. existing buildings undergoing a change of occupancy; and

b. criteria for determining compliance with these requirements.

Subp. 2.

ASHRAE 90.1 section 2.2.

ASHRAE 90.1 section 2.2 is amended to read as follows:

The provisions of this standard do not apply to:

a. IRC-1 Single-family dwellings, IRC-2 Two-family dwellings, IRC-3 Townhomes, IRC-4 Utility buildings, residential multi-family structures of three stories or fewer above grade, manufactured houses (mobile homes), and manufactured houses (modular), or

b. buildings that use neither electricity nor fossil fuel.

Exception to section 2.2: Historical buildings that are classified as IRC-1, IRC-2, IRC-3, or IRC-4 occupancies or are residential multi-family structures of three stories or fewer above grade shall comply with this chapter or Minnesota Rules, chapter 1322.

Subp. 3.

ASHRAE 90.1 section 2.

ASHRAE 90.1 section 2 is amended by adding two subsections to read as follows:

2.5 IRC-1 Single-family dwellings, IRC-2 Two-family dwellings, IRC-3 Townhomes, IRC-4 Utility buildings, and the portions of buildings containing occupancy groups I-1, R-1, R-2, R-3, and R-4 where the entire composite building structure is three or fewer stories above grade shall comply with Minnesota Rules, chapter 1322.

2.6 Where a building contains multiple occupancy groups and portions of the building are required to comply with Minnesota Rules, chapter 1322, those portions shall comply with Minnesota Rules, chapter 1322, and the remainder of the building shall comply with this rules chapter.

Statutory Authority:

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

History:

47 SR 983

Published Electronically:

December 7, 2023