Minnesota Administrative Code

1309.0302 SECTION R302, FIRE-RESISTANT CONSTRUCTION. Subpart 1. IRC Tables R302.1(1) and R302.1(2). Table R302.1(1) and Table R302.1(2) are amended to read as follows: TABLE R302.1(1) EXTERIOR WALLS EXTERIOR WALL ELEMENT MINIMUM FIRE-RESISTANCE RATING MINIMUM FIRE SEPARATION DIST…

1309.0303 SECTION R303, LIGHT, VENTILATION, AND HEATING. Section R303.4 is amended to read as follows: R303.4 Mechanical ventilation. Mechanical ventilation of a dwelling unit shall comply with either Minnesota Rules, chapter 1322 or 1346. Statutory Authority: MS s 326B.02 Histor…

1309.0305 SECTION R305, CEILING HEIGHT. IRC section R305 is amended to read as follows: R305.1 Minimum height, new buildings. Habitable space, hallways, bathrooms, toilet rooms, laundry rooms, and portions of basements containing these spaces shall have a ceiling height of not le…

1309.0307 SECTION R307, TOILET, BATH, AND SHOWER SPACES. IRC section R307.1 is amended to read as follows: R307.1 Space required. Plumbing fixtures shall be installed in accordance with Minnesota Rules, chapter 4714, Minnesota Plumbing Code. Statutory Authority: MS s 326B.02; 326…

1309.0309 SECTION R309, GARAGES AND CARPORTS. Subpart 1. IRC section R309.1, Floor surface. Section R309.1 is amended to read as follows: R309.1 Floor surface. Garage floor surfaces may be concrete, asphalt, sand, gravel, crushed rock, or natural earth. Subp. 2. IRC section R309.…

1309.0310 SECTION R310, EMERGENCY ESCAPE AND RESCUE OPENINGS. Subpart 1. IRC section R310.1, Emergency escape and rescue opening required. Section R310.1 is amended to read as follows: R310.1 Emergency escape and rescue opening required. Basements, habitable attics, and every sle…

1309.0311 SECTION R311, MEANS OF EGRESS. Subpart 1. IRC section R311.3.2, Floor elevations for other exterior doors. Section 311.3.2 is amended to read as follows: R311.3.2 Floor elevations for other exterior doors. Doors other than the required egress door shall be provided with…

1309.0313 SECTION R313, AUTOMATIC FIRE SPRINKLER SYSTEMS. IRC section R313 is amended to read as follows: R313.1 Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed in townhouses. Exceptions: 1. An automatic residential fi…

1309.0314 SECTION R314, SMOKE ALARMS. Subpart 1. IRC section R314.2.2, Alterations, repairs, and additions. Section R314.2.2 is amended to read as follows: R314.2.2 Alterations, repairs, and additions. An individual dwelling unit shall be equipped with smoke alarms located as req…

1309.0320 SECTION R320, ACCESSIBILITY. IRC sections R320.1 and R320.1.1 are deleted in their entirety and replaced with the following: R320.1 Scope. Where there are four or more IRC-3 dwelling units or sleeping units in a single structure, the provisions for Group R-3 occupancies…

1309.0321 SECTION R321, ELEVATORS AND PLATFORM LIFTS. IRC sections R321.1, R321.2, and R321.3 are deleted and replaced with the following: R321.1 Elevators, platform lifts. For elevator and platform lift requirements, see Minnesota Rules, chapter 1307, Elevators and Related Devic…

1309.0323 SECTION R323, STORM SHELTERS. IRC section R323 is deleted in its entirety. Statutory Authority: MS s 326B.02; 326B.101; 326B.106 History: 39 SR 91 Published Electronically: January 26, 2015

1309.0326 SECTION R326, SWIMMING POOLS, SPAS, AND HOT TUBS. IRC section R326 is deleted in its entirety. Statutory Authority: MS s 326B.02 History: 44 SR 764 Published Electronically: March 31, 2020

1309.0402 SECTION R402, MATERIALS. IRC Table R402.2 is amended to read as follows: TABLE R402.2 MINIMUM SPECIFIED COMPRESSIVE STRENGTH OF CONCRETE TYPE OR MINIMUM SPECIFIED COMPRESSIVE STRENGTHa (f ʹc) LOCATION OF Weathering Potentialb CONCRETE CONSTRUCTION Negligible Moderate Se…

1309.0403 SECTION R403, FOOTINGS. Subpart 1. IRC section R403.1.4.1. Section R403.1.4.1 is amended to read as follows: R403.1.4.1 Frost protection. Footings shall not bear on frozen soil. Foundation walls, piers, and other permanent supports of buildings and structures not otherw…

1309.0404 SECTION R404, FOUNDATION AND RETAINING WALLS. Subpart 1. IRC section R404.1. Section R404.1 is amended to read as follows: R404.1 Concrete and masonry foundation walls. Concrete foundation walls shall be selected and constructed in accordance with the provisions of Sect…

1309.0406 SECTION R406, FOUNDATION WATERPROOFING AND DAMPPROOFING. Subpart 1. IRC section R406.1. Section R406.1 is deleted in its entirety. Subp. 2. IRC section R406.2. Section R406.2 is amended to read as follows: R406.2 Concrete and masonry foundation waterproofing. Exterior f…

1309.0507 SECTION R507, EXTERIOR DECKS. Subpart 1. IRC Table R507.3.1. Table R507.3.1 is modified to read as follows: TABLE R507.3.1 MINIMUM FOOTING SIZE FOR DECKS LOAD-BEARING VALUE OF SOILSa, c, d (psf) 1500e 2000e LIVE LOADb (psf) TRIBUTARY AREA (sq. ft.) Side of a square foot…

1309.0602 SECTION R602, WOOD WALL FRAMING. Subpart 1. IRC Table R602.3.1. Table R602.3.1 is amended to read as follows: TABLE R602.3.1 MAXIMUM ALLOWABLE LENGTH OF WOOD WALL STUDS EXPOSED TO WIND SPEEDS OF 115 MPH OR LESSb,c,d,e,f,g,h,i,j Where conditions are not within the parame…

1309.0702 SECTION R702, INTERIOR COVERING. Subpart 1. [Repealed, 44 SR 764] Subp. 2. IRC section R702.7 Vapor retarders. Section R702.7 is amended to read as follows: R702.7 Vapor retarders. A Class I or II vapor retarder is required on the interior side of frame walls in Climate…

1309.0703 SECTION R703, EXTERIOR COVERING. Subpart 1. [Repealed, 32 SR 12] Subp. 2. [Repealed, 32 SR 12] Subp. 2a. IRC Section R703.2 Water-resistive barrier. Section R703.2 is amended to read as follows: R703.2 Water-resistive barrier. One layer of No. 15 asphalt felt, free from…

1309.0807 SECTION R807, ATTIC ACCESS. IRC Section R807.1 is amended as follows: R807.1 Attic access. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed 30 square feet (2.8 m2) and have a vertical height of 30 inch…

1309.0903 SECTION R903, WEATHER PROTECTION. IRC Section R903.2.1 is amended as follows: R903.2.1 Locations. Flashings shall be installed at wall and roof intersections, wherever there is a change in roof slope or direction and around roof openings. A kick-out flashing shall be in…

1309.0905 SECTION R905, REQUIREMENTS FOR ROOF COVERINGS. Subpart 1. IRC section R905.2.1. Section R905.2.1 is amended as follows: R905.2.1 Sheathing requirements. Asphalt shingles shall be fastened to solidly sheathed decks or 1-inch thick nominal wood boards. Subp. 2. IRC sectio…

1311.0010 ADOPTION BY REFERENCE OF THE INTERNATIONAL EXISTING BUILDING CODE. Subpart 1. General. For the purposes of this chapter, "IEBC" means the 2018 edition of the International Existing Building Code as promulgated by the International Code Council (ICC), Washington, D.C. Th…

1311.0020 REFERENCES TO OTHER INTERNATIONAL CODE COUNCIL CODES. Subpart 1. General. References to other codes and standards promulgated by the International Code Council in the IEBC are modified as established in this part. Subp. 2. Building code. References to the "building code…

1311.0202 SECTION 202, GENERAL DEFINITIONS. Subpart 1. Section 202, General definitions; added. The following definitions are added to IEBC section 202 as follows: APPROVED. "Approved" means approval by the building official, pursuant to the Minnesota State Building Code, by reas…

1311.0301 SECTION 301, ADMINISTRATION. Subpart 1. Section 301.3.1 Prescriptive compliance methods. IEBC section 301.3.1 is amended to read as follows: 301.3.1 Prescriptive compliance methods. Alterations, additions, or changes of occupancy complying with chapter 5 of this code sh…

1311.0302 SECTION 302, GENERAL PROVISIONS. IEBC section 302.3 is amended by adding a subsection to read as follows: 302.3.1 Window cleaning anchors. Building anchors for window cleaning safety shall comply with the Minnesota State Building Code. Statutory Authority: MS s 326B.02;…

1311.0305 SECTION 305, ACCESSIBILITY FOR EXISTING BUILDINGS. IEBC section 305.1 is amended to read as follows: 305.1 General. Existing buildings or portions of existing buildings undergoing maintenance, change of occupancy, additions, alterations, or reconstruction due to substan…

1311.0402 [Renumbered 1311.0502] Published Electronically: March 31, 2020

1311.0403 [Renumbered 1311.0503] Published Electronically: March 31, 2020

1311.0405 [Renumbered 1311.0504] 1311.0405 SECTION 405, STRUCTURAL. IEBC section 405.2.4 is amended to read as follows: 405.2.4 Substantial structural damage to gravity load-carrying components. Gravity load-carrying components that have sustained substantial structural damage sh…

1311.0407 [Renumbered 1311.0506] Published Electronically: March 31, 2020

1311.0502 SECTION 502, ADDITIONS. Subpart 1. Section 502.4 Existing structural elements carrying gravity load. IEBC section 502.4 is amended to read as follows: 502.4 Existing structural elements carrying gravity load. Any existing gravity load-carrying structural element for whi…

1311.0504 SECTION 504, FIRE ESCAPES. IEBC section 504.4 is amended to read as follows: 504.4 Dimensions. Existing and replacement fire escape stairs shall meet the minimum width, capacity, riser height, and tread depth as specified in Table 504.4. TABLE 504.4 DIMENSIONS FOR EXIST…

1311.0506 SECTION 506, CHANGE OF OCCUPANCY. Subpart 1. Section 506.1 Compliance. IEBC section 506.1 is amended to read as follows: 506.1 Compliance. Changes in the use or occupancy of any building that would place the building in a different division of the same group of occupanc…

1311.0606 [Renumbered 1311.0405] Published Electronically: March 31, 2020

1311.0702 SECTION 702, BUILDING ELEMENTS AND MATERIALS. IEBC section 702.5 is amended and a subsection is added to read as follows: 702.5 Replacement window emergency escape and rescue openings. Where windows are required to provide emergency escape and rescue openings in Group R…

1311.0704 SECTION 704, MEANS OF EGRESS. Section 704.1 General. IEBC section 704.1 is amended to read as follows: 704.1 General. Alterations shall be done in a manner that maintains the level of fire protection provided for the means of egress. Statutory Authority: MS s 326B.02; 3…

1311.0706 SECTION 706, STRUCTURAL. IEBC section 706.2 is amended to read as follows: 706.2 Addition or replacement of roofing or replacement of equipment. Any existing gravity load-carrying structural element for which an alteration causes an increase in design dead, live, or sno…

1311.0707 SECTION 707, ENERGY CONSERVATION. Section 707 Energy conservation. IEBC section 707 is amended by deleting the section in its entirety and replacing it with the following: 707 Energy conservation. For energy conservation requirements, see Minnesota Rules, chapters 1322 …

1311.0801 SECTION 801, GENERAL. IEBC section 801.1 is amended by deleting the exception and amending the section to read follows: 801.1 Scope. Level 2 alterations as described in IEBC section 603 shall comply with the requirements of this chapter. (The exception pertaining to acc…

1311.0805 SECTION 805, MEANS OF EGRESS. Subpart 1. Section 805.2 General. IEBC section 805.2 is amended to read as follows: 805.2 General. The means of egress shall comply with the requirements of IEBC section 805. Exception: Means of egress conforming to the requirements of the …

1311.0806 SECTION 806, STRUCTURAL. Subpart 1. Section 806.2 Existing structural elements carrying gravity loads. IEBC section 806.2 is amended to read as follows: 806.2 Existing structural elements carrying gravity loads. Any existing gravity load-carrying structural element for …

1311.0808 [Renumbered 1311.0807] Published Electronically: March 31, 2020

1311.0809 SECTION 809, PLUMBING. IEBC section 809.1 is amended to read as follows: 809.1 Minimum fixtures. Where the occupant load of the story is increased by more than 20 percent, plumbing fixtures for the story shall be provided in quantities specified in Minnesota Rules, chap…