Michigan Administrative Code

R 408.30301 Construction board of appeals. Rule 301. Each county or each governmental subdivision enforcing the code shall establish a construction board of appeals as prescribed in section 14 of the act. Each governmental subdivision shall notify the commission of the establishm…

R 408.30311 Commission as board of appeals. Rule 311. The commission shall act as a whole to serve as a board of appeals for those governmental subdivisions or areas where the commission shall provide services. History: 1979 AC.

R 408.30315 Plumbing or electrical appeals. Rule 315. Appeals referred to the commission and involving matters of plumbing or electrical in nature shall be directed first to the respective boards for a hearing. A person aggrieved by the decision of a board may then petition the c…

R 408.30316 Barrier free design board; exceptions and appeals. Rule 316. All requests for exceptions and appeals regarding barrier free design rules shall be directed to the barrier free design board, on an appropriate form, through the barrier free design division of the bureau …

R 408.30401 Applicable code. Rule 401. The provisions of the international building code, 2021 edition, including appendices F, G, and H, except for sections 104.2, 104.3, 104.8, 104.8.1, 104.10, 105.3, 105.3.1, 105.3.2, 105.6, 109.2 to 109.6, 111.2, 111.3, 113.2, 113.3, 113.4, 1…

R 408.30402 General. Rule 402. Sections 101.1 and 101.3 of the code are amended to read as follows: 101.1. Title. These rules shall be known as the Michigan building code, and referred to as "the code." 101.3. Intent. The purpose of the code and the act is to establish the minimu…

R 408.30405 Professional architectural and engineering services. Rule 405. Section 107.1 of the code is amended to read as follows: 107.1. Submittal documents. Construction documents, special inspection and structural programs and other data shall be submitted in 1 or more sets w…

R 408.30406 Building Official Right of Entry. Rule 406. Section 104.6 of the code is added to read as follows: Page 3 Courtesy of Michigan Administrative Rules 104.6. Right of entry. If a structure or premises is unoccupied, the building official shall first make a reasonable eff…

R 408.30409 Permit. Rule 409. Section 105.2 of the code is amended to read as follows: 105.2. Work exempts from permit. Exemptions from permit requirements of the code shall not be deemed to grant authorization for work to be done in any manner in violation of the provisions of t…

R 408.30412 Certificate of use and occupancy. Rule 412. Sections 111.2 and 111.2.1 of the code are amended to read as follows: 111.2. Compliance. A change of occupancy shall not be made in any building unless that building complies with the requirements of the International Build…

R 408.30418 Maximum Occupiable space heating systems. Rule 418. 1203.1 of the code is amended to read as follows: 1203.1. Equipment and systems. Interior spaces intended for human occupancy shall be provided with heating facilities capable of maintaining a minimum interior room t…

R 408.30419 Toilet room requirements. Rule 419. Section 1210.1 is amended and sections 1210.4,1210.5, and 1210.6 are added to the code to read as follows: 1210.1. Required fixtures. The number and type of plumbing fixtures provided in an occupancy shall comply with the Michigan p…

R 408.30421 Emergency escape and rescue. Rule 421. Sections 1025.1 and 1030.1 of the code are amended and 1016.2.2 is added to read as follows: 1016.2.2. Group E. Egress from classrooms in group E occupancies shall be limited to pass through 1 intervening space before reaching an…

R 408.30427 Barrier free design for buildings, structures, and improved areas. Rule 427. Section 1102.1 of the code is amended and section 1103.2.15 is added to the code to read as follows: 1102.1. Design. Buildings and facilities shall be designed and constructed to be accessibl…

R 408.30429 High-rise buildings. Rule 429. Sections 403.1 and 403.5.4, of the code are amended to read as follows: 403.1. Applicability. The provisions of this section shall apply to buildings having the occupied floors located more than 55 feet (16 764 mm) above the lowest level…

R 408.30445 Automatic sprinkler systems. Rule 445. Section 903.2.11.3 of the code is amended to read as follows: 903.2.11.3. Buildings more than 30 feet (9144 mm) in height. An automatic sprinkler system shall be installed throughout a building that has a floor level which has an…

R 408.30446 Smoke alarm locations. Rule 446. Sections 907.2.11.8 and 907.2.11.8.1 are added to the code as follows: 907.2.11.8. Smoke alarm locations in existing buildings constructed before November 6, 1974. Within each dwelling unit or sleeping unit, a single-station smoke alar…

R 408.30447 Smokeproof enclosures. Rule 447. Section 1023.11 of the code is amended to read as follows: 1023.11. Smokeproof enclosures. In buildings required to comply with section 403 or 405 of the code, each of the exits of a building that serves stories where the floor surface…

R 408.30449 Frost protection. Rule 449. Section 1809.5 of the code is amended to read as follows: 1809.5. Frost protection. Except where otherwise protected from frost, foundation walls, piers, and other permanent supports of buildings and structures shall be protected from frost…

R 408.30453 Plumbing systems. Rule 453. Section 2901.1 of the code is amended to read as follows: 2901.1. Scope. The provisions of this chapter and the Michigan plumbing code, R 408.30701 to R 408.30796, shall govern the erection, installation, alteration, repairs, relocation, re…

R 408.30457 Mechanical systems. Rule 457. Section 2801.1 of the code is amended to read as follows: 2801.1. Scope. Mechanical appliances, equipment, and systems shall be constructed, installed, and maintained in accordance with the Michigan mechanical code, R 408.30901 to R 408.3…

R 408.30458 Elevators and conveying systems. Rule 458. Sections 3001.1, 3001.5, 3002.5, 3003.1, and 3003.2 of the code are amended, and sections 3003.1.5 and 3004.5 are added to the code to read as follows: 3001.1. Scope. The design, construction, installation, alteration, and re…

R 408.30459 Elevators. Rule 459. Sections 1009.4 and 1607.11.1 of the code are amended to read as follows: 1009.4. Elevators. To be considered part of an accessible means of egress, an elevator shall comply with the emergency operation and signaling device requirements of R 408.7…

R 408.30476 Criteria. Rule 476. Section 1301.1.1 of the code is amended to read as follows: Page 33 Courtesy of Michigan Administrative Rules 1301.1.1. General. Buildings shall be designed and constructed in accordance with the Michigan energy code, part 10a , R 408.31087 to R 40…

R 408.30499 Adoption of standards by reference; referenced codes. Rule 499. Chapter 35 of the code is amended to add the following referenced codes, which are available for inspection and purchase from the Michigan Department of Licensing and Regulatory Affairs, Bureau of Constru…

R 408.30500 Applicable code. Rule 500. The provisions of the international residential code, 2015 edition, including appendices A, B, C, D, E, F, G, J, K, N, O, P, R, and S except for Sections R 104.2, R 104.3, R 104.5, R 104.7, R 104.8, R 104.8.1, R 105.3, R 105.3.1, R 105.3.2, …

R 408.30501 Title. Rule 501. Section R101.1 of the code is amended to read as follows: Page 2 Courtesy of Michigan Administrative Rules R101.1. Title. These provisions shall be known and cited as the Michigan residential code for 1-and 2-family dwellings and will be referred to a…

R 408.30503 Approved materials and equipment. Rule 503. Sections R104.9 of the code is amended to read as follows: R104.9. Approved materials and equipment. Materials, equipment, and devices shall be constructed or installed in accordance with approvals granted under the act or b…

R 408.30504 Duties and powers of building official. Rule 504. Sections R104.6 of the code are amended to read as follows: R104.6. Right of entry. If a building or premises is occupied, the code official shall present his or her credentials to the occupant and request entry. If a …

R 408.30505 Work exempt from permit. Rule 505. Section R105.2 of the code is amended to read as follows: R105.2. Work exempt from permit. Exemption from the permit requirements of the code shall not be deemed to grant authorization for any work to be done in any manner in violati…

R 408.30506 Submittal documents. Rule 506. Sections R 106.1.4 and R802.10.1 of the code are amended and Section R106.1.4 and figure 802.10.1 are added to the code to read as follows: R106.1.4. Truss design data. As an alternative to the submission of truss design drawings, figure…

R 408.30507 Duct termination. Rule 507. Section M1502.3 of the code is amended to read as follows: M1502.3. Exhaust ducts shall terminate on the outside of the building. Exhaust duct terminations shall be in accordance with the dryer manufacturer's installation instructions. If t…

R 408.30508 Payment of fees. Rule 508. Section R108.1 of the code is amended to read as follows: R108.1. Fees. The fees prescribed in the act shall be paid to the enforcing agency of the jurisdiction before a permit to begin work for new construction, alteration, Page 7 Courtesy …

R 408.30509 Frame and masonry inspection. Rule 509. Section R109.1.4 of the code is amended to read as follows: R109.1.4. Frame and masonry inspection. Inspection of framing construction shall be made after the roof, all framing, firestopping, draftstopping, and bracing are in pl…

R 408.30510 Use and occupancy. Rule 510. Sections R110.1, R110.2, and R110.3 of the code are amended to read as follows: R110.1. Use and occupancy. A building or structure shall not be used or occupied, and a change in the existing occupancy classification of a building or struct…

R 408.30511 Violation penalties. Rule 511. Section R113.4 of the code is amended to read as follows: R113.4. Violation penalties. It is unlawful for any person, firm, or corporation to violate a provision of the code or fail to conform with any of the requirements thereof, or ere…

R 408.30513 Definitions. Rule 513. The definitions of attic and sunroom addition in Section R202 of the code are amended to read as follows: R202. Definitions. “Attic, uninhabitable with limited storage” means uninhabitable attics with limited storage where the minimum clear heig…

R 408.30515 Ground snow loads. Rule 515. Figure R301.2(5) and Table R301.2(1) of the code are amended and Table R301.2(5) is added to the code to read as follows: Page 10 Courtesy of Michigan Administrative Rules Page 11 Courtesy of Michigan Administrative Rules Page 12 Courtesy …

R 408.30516 Design criteria. Rule 516. Table R301.2(1) of the code is amended and figures R301.2(7) and R301.2(8) are added to the code to read as follows: TABLE R 301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA Ground Snow Load Wi nd Sp eed d (m ph) Seismic Design Categor y f S…

R 408.30518 Means of egress. Rule 518. Sections R311.6.4 and R311.2.1 are added to the code and R311.2 of the code is amended to read as follows: R311.6.4 Modular ramps. Modular ramp systems approved pursuant to the act are not required to comply with the requirements of section …

R 408.30519 Treads and risers. Rule 519. Sections R311.7.4.1 and R 311.7.4.2 of the code are amended to read as follows: R311.7.5.1. Riser height. The maximum riser height shall be 8 1/4 inches (210 mm). The riser shall be measured vertically between leading edges of the adjacent…

R 408.30520 Where required in existing dwellings. Rule 520. Section R315.3 of the code is amended to read as follows: R315.3. Where required in existing dwellings. Where work requiring a building permit occurs in existing dwellings that have attached garages or in existing dwelli…

R 408.30521 Elevation requirements. Rule 521. Section R322.2.1 of the code is amended to read as follows; R322.2.1. Elevation requirements. (1) Buildings and structures shall have the lowest floor including basements elevated so the lowest point of the floor's concrete or subfloo…

R 408.30522 Minimum depth. Rule 522. Section R403.1.4 of the code is amended to read as follows: R403.1.4. Minimum depth. All exterior footings and foundation systems shall extend 42 inches below actual grade. Where applicable, the depth of the footings shall also conform to sect…

R 408.30523 Placement of lag screws or bolts in deck ledgers and band joists. Rule 523. Figure R507.2.1(1) of the code is amended to read as follows: Page 37 Courtesy of Michigan Administrative Rules FIGURE R507.2.1(1) PLACEMENT OF LAG SCREWS AND BOLTS IN LEDGERS History: 2015 AA…

R 408.30524 Michigan uniform energy code. Rule 524. Buildings shall be designed and constructed in accordance with the Michigan uniform energy code part 10 rules, R 408.31001 to R 408.31099. History: 2001 AACS; 2004 AACS.

R 408.30525 Scope. Rule 525. Section M1301.1 of the code is amended to read as follows: M1301.1. Scope. The provisions of this chapter shall govern the installation of mechanical systems not specifically covered in other chapters applicable to mechanical systems. Installations of…