DEPARTMENT OF LICENSING AND REGULATORY AFFAIRS  
DIRECTOR’S OFFICE  
CONSTRUCTION CODE  
(By authority conferred on the director of the department of licensing and regulatory  
affairs by section 4 of 1972 PA 230, MCL 125.1504, and Executive Reorganization  
Order Nos. 2003-1, 2008- and 2011-4, MCL 445.2011, 445.2025 and 445.2030)  
REHABILITATION CODE  
R 408.30551 Applicable code.  
Rule 551. The international existing building code, 2015 edition, including appendix A  
and resource A, hereinafter referred to as "the code," is adopted by reference, as provided  
in MCL 24.232, as the "Michigan rehabilitation code for existing buildings" with the  
exception of sections 104.8, 108.2 to 108.6, 114.3, 705.1.1 to 705.2, 806.2, and Appendix  
B and C, and as otherwise noted in these rules. The international existing building code,  
2015 edition is available for inspection at the Michigan Department of Licensing and  
Regulatory Affairs, Bureau of Construction Codes, 611 W. Ottawa Street, 1st Floor  
Ottawa Building, Lansing, Michigan 48933. The code may be purchased from the  
International Code Council, through the bureau’s website at www.michigan.gov/bcc, at a  
cost as of the time of adoption of these rules of $81.00.  
History: 2002 AACS; 2003 AACS; 2008 AACS; 2010 AACS; 2014 AACS; 2016 AACS.  
R 408.30552 References to international codes.  
Rule 552. All references to the code, national electrical code, international energy code,  
international building code, international residential code, international mechanical code,  
and international plumbing code in the international existing building code shall mean the  
Michigan building code, Michigan electrical code, Michigan uniform energy code,  
Michigan residential code, Michigan mechanical code and Michigan plumbing code,  
respectively.  
History: 2002 AACS; 2014 AACS.  
R 408.30553 Title.  
Rule 553. Section 101.1 of the code is amended as follows:  
101.1 Title. These rules shall be known as the Michigan rehabilitation code for  
existing buildings, hereinafter referred to as "this code."  
History: 2002 AACS.  
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R 408.30554 Scope.  
Rule 554. Section 101.2 of the code is amended as follows:  
101.2 Scope. The provisions of this code shall apply to the repair, alteration,  
change of occupancy, addition, and relocation of existing buildings. A building or  
portion of a building which has not been previously occupied or used for its intended  
purpose shall comply with the provisions of the Michigan building code for new  
construction. Repairs, alterations, change of occupancy, existing buildings to which  
additions are made, historic buildings, and relocated buildings complying with the  
provisions of the Michigan building code, the Michigan electrical code, the  
Michigan residential code, the Michigan mechanical code, and the Michigan plumbing  
code shall be considered to be in compliance with this code.  
History: 2002 AACS.  
R 408.30555 Rescinded.  
History: 2002 AACS; 2003 AACS.  
R 408.30556 Elevators.  
Rule 556. Section 902.1.2 of the code is amended as follows:  
902.1.2. Elevators. Where there is an elevator or elevators for public use, at least 1  
elevator serving the work area shall comply with this section. Existing elevators with a  
travel distance of 25 feet (7620 mm) or more above or below the main floor or other level  
of a building and intended to serve the needs of emergency personnel for fire fighting or  
rescue purposes shall be provided with emergency operation in accordance with the  
Michigan elevator code. New elevators shall be provided with phase I emergency recall  
operation and phase II emergency in-car operation in accordance with the Michigan  
elevator code.  
History: 2002 AACS; 2008 AACS; 2014 AACS.  
R 408.30557 Definitions.  
Rule 557. The definitions of act, building official, and registered design professional  
are added to section 202 of the code to read as follows:  
202. Definitions.  
"Act" means 1972 PA 230, MCL 125.1501 to 125.1531 and known as the Stille-  
DeRossett-Hale single state construction code act.  
"Building official" means the person who is appointed and employed by  
a
governmental subdivision charged with the administration and enforcement of the state  
code or codes and who is registered in accordance with the requirements of 1986  
PA 54, MCL 338.2301 to 338.2313. Where used in this code, the term code official  
means "building official."  
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"Registered design professional" means an individual who is licensed under 1980 PA  
299, MCL 339.101 to 339.2919.  
History: 2002 AACS; 2008 AACS; 2010 AACS.  
R 408.30558 Preliminary meeting.  
Rule 558. Section 104.2.2 of the code is amended as follows:  
104.2.2. Preliminary meeting. When requested by the owner or owner’s agent, the  
building official shall meet with the owner or the owner’s agent to discuss plans for the  
proposed work or change of occupancy before the application for a construction permit in  
order to establish the specific applicability of the provisions of this code. The building  
official shall notify the appropriate fire official of the meeting.  
Exception: Repairs, and alterations level 1.  
History: 2002 AACS; 2003 AACS; 2016 AACS.  
R 408.30559 Preliminary review.  
Rule 559. Section 104.2.3 is added to the code to read as follows:  
104.2.3. Preliminary review. When a building permit is required by the code, the  
owner or owner’s agent may request a review of preliminary construction documents to  
determine compliance with this code.  
History: 2002 AACS; 2003 AACS; 2016 AACS.  
R 408.30560 Annual permit.  
Rule 560. Sections 105.1.1, 105.1.2, and 105.2 of the code are amended as follows:  
105.1.1. Annual permit. In place of an individual permit for each alteration to an  
already approved electrical, gas, mechanical, or plumbing installation, the enforcing  
agency is authorized to issue an annual permit upon application to any person, firm, or  
corporation. The applicant shall be licensed in accordance with the requirements of the  
electrical administrative act, 1956 PA 217, MCL 338.881 to 338.892,; Forbes mechanical  
contractors act, 1984 PA 192, MCL 338.971 to 338.988,; or state plumbing act, 2002 PA  
733, MCL 338.3511 to 338.3569.  
105.1.2. Annual permit records. The person to whom an annual permit is issued shall  
keep a detailed record of alterations made under an annual permit. Access to the records  
shall be provided at all times and the records shall be filed with the enforcing agency.  
105.2. Work exempt from permit. Exemptions from permit requirements of the code  
shall not be deemed to grant authorization for any work to be done in any manner in  
violation of the code or any other laws or ordinances of this jurisdiction. Permits shall  
not be required for any of the following:  
(a) Building permits shall not be required for any of the following:  
(i) One-story detached accessory structures used as tool and storage sheds, playhouses,  
and similar uses, provided the floor area does not exceed 120 square feet (11.15m2).  
(ii) A fence that is not more than 7feet (134 mm) high.  
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(iii) Oil derricks.  
(iv) A retaining wall that is not more than 4 feet (1 219 mm) in height measured from  
the bottom of the footing to the top of the wall, unless supporting a surcharge or  
impounding class I, II, or III-A liquids.  
(v) A water tank supported directly on grade if the capacity is not greater than 5,000  
gallons (18 925 L) and the ratio of height to diameter or width is not greater than 2 to 1.  
(vi) A sidewalk and driveway not more than 30 inches (762 mm) above adjacent grade  
and not over any basement or story below and are not part of an accessible route.  
(vii) Painting, papering, tiling, carpeting, cabinets, counter tops, and similar finish  
work.  
(viii) Temporary motion picture, television, and theater stage sets and scenery.  
(ix) Prefabricated swimming pools accessory to a group R-3 occupancy, as applicable  
in section 101.2, that are less than 24 inches (610 mm) deep, are not greater than 5,000  
gallons (18 925 L) and are installed entirely above ground.  
(x) Shade cloth structures constructed for nursery or agricultural purposes and not  
including service systems.  
(xi) Swings and other playground equipment accessory to detached 1- and 2-family  
dwellings.  
(xii) Window awnings in group R-3 and U occupancies, supported by an exterior wall  
that do not project more than 54 inches (1 372 mm) from the exterior wall and do not  
require additional support, as applicable in section 101.2.  
(xiii) Nonfixed and movable fixtures, cases, racks, counters, and partitions not over 5  
feet 9 inches (1 753 mm) in height.  
(b) Electrical permits shall not be required, as in accordance with the Michigan  
electrical code, R 408.30801 to R 408.30880, for any of the following:  
(i) Repairs and maintenance: Minor repair work, including the replacement of lamps or  
the connection of approved portable electrical equipment to approved permanently  
installed receptacles.  
(ii) Radio and television transmitting stations: The provisions of the code do not apply  
to electrical equipment used for radio and television transmissions, but do apply to  
equipment and wiring for power supply and to the installation of towers and antennas.  
(iii) Temporary testing systems: A permit shall not be required for the installation of  
any temporary system required for the testing or servicing of electrical equipment or  
apparatus.  
(c) Mechanical permits shall not be required for any of the following:  
(i) A portable gas heating or gas appliance that has inputs of less than 30,000 Btu’s per  
hour.  
(ii) Portable ventilation appliances and equipment.  
(iii) A Portable cooling unit.  
(iv) Steam, hot water, or chilled water piping within any heating or cooling equipment  
or appliances regulated by the code.  
(v) The replacement of any minor part that does not alter the approval of equipment or  
an appliance or make such equipment or appliance unsafe.  
(vi) A portable evaporative cooler.  
(vii) Self-contained refrigeration systems that contain 10 pounds (4.5 kg) or less of  
refrigerant, or that are actuated by motors of 1 horsepower (0.75 kW) or less.  
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(viii) Portable fuel cell appliances that are not connected to a fixed piping system and  
are not interconnected to a power grid.  
(ix) An oil burner that does not require connection to a flue, such as an oil stove and a  
heater equipped with a wick.  
(x) A portable gas burner that has inputs of less than 30,000 Btu’s per hour.  
(xii) When changing or relocating a gas meter or regulator, a permit is not required  
when installing gas piping which shall be limited to 10 feet (3005 mm) in length and not  
more then 6 fittings.  
(xi) When installing geothermal vertical closed loops under the supervision of a  
mechanical contractor licensed in HVAC as long as the company meets both the  
following:  
(A) Has obtained a certificate of registration as a well drilling contractor pursuant to  
part 127 of the public health code.  
(B) Has installed the geothermal vertical closed loops in accordance with the  
department of environmental quality best practices regarding geothermal heat pump  
closed loops.  
Exemption from the permit requirements of this code shall not be deemed to grant  
authorization for work to be done in violation of the provisions of this code or other laws  
or ordinances of this jurisdiction.  
(d) Plumbing permits shall not be required for either of the following:  
(i) The stopping of leaks in drains, water, soil, waste, or vent pipe. However, if any  
concealed trap, drainpipe, water, soil, waste, or vent pipe becomes defective and it  
becomes necessary to remove and replace the drain or pipe with new material, then the  
work is considered new work and a permit shall be obtained and inspection made as  
provided in the code.  
(ii) The clearing of stoppages or the repairing of leaks in pipes, valves, or fixtures, and  
the removal and reinstallation of water closets, if the repairs do not involve or require the  
replacement or rearrangement of valves, pipes, or fixtures.  
History: 2002 AACS; 2003 AACS; 2010 AACS; 2014 AACS.  
R 408.30561 Accessibility.  
Rule 561. Sections 410.1, 410.6, 410.7, 410.8.2 and 410.8.3 of the code are amended as  
follows:  
410.1. Scope. A building, facility, or element that has a change in use group or  
occupancy load or alteration shall comply in accordance with the requirements of the  
utilization of public facilities by physically limited, 1966 PA 1, MCL 125.1351 to  
125.1356 and the Michigan building code, R 408.30401 to R 408.30499.  
410.6. Alterations. A building, facility, or element that is altered shall comply with the  
applicable provisions in chapter 11 of the Michigan building code and ICC/A117.1 listed  
in chapter 16, unless technically infeasible. When compliance with this section is  
technically infeasible, then the alteration shall provide access to the maximum extent  
technically feasible.  
Exceptions:  
(1) The altered element or space is not required to be on an accessible route, unless  
required by section 410.7 of the code.  
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(2) Accessible means of egress required by chapter 10 of the Michigan building code are  
not required to be provided in existing buildings and facilities.  
(3) Buildings, structures, or improved areas which exist on or before the effective date  
of these rules and which are in compliance with the code at the time of the issuance of the  
certificate of occupancy unless the alteration specifically modifies an area covered by  
sections 410.6 to 410.8 of the code.  
(4) The alteration to type A individually owned dwelling units within a group R-2  
occupancy shall meet the provisions for a type B dwelling unit and shall comply with the  
applicable provisions in chapter 11 of the Michigan building code and ICC/A 117.1 listed  
in chapter 16.  
410.7. Alterations affecting an area containing a primary function. Where an alteration  
affects the accessibility to, or contains an area of, primary function, the route to the  
primary function area shall be accessible. The accessible route to the primary function  
area shall include toilet facilities and drinking fountains serving the area of primary  
function.  
Exceptions:  
(1) This provision does not apply to alterations limited solely to windows, hardware,  
operating controls, electrical outlets, and signs.  
(2) This provision does not apply to alterations limited solely to mechanical systems,  
electrical systems, installation or alteration of fire protection systems, and abatement of  
hazardous materials.  
(3) This provision does not apply to alterations undertaken for the primary purpose of  
increasing the accessibility of an existing building, facility, or element.  
(4) This provision does not apply to altered areas limited to type B dwelling and  
sleeping units.  
410.8.2. Elevators. Altered elements of existing elevators shall comply with the  
Michigan elevator code, R 408.7001 to R 408.8695. Such elements shall also be altered  
in elevators programmed to respond to the same hall call control as the altered elevator.  
410.8.3. Platform lifts. Platform (wheelchair) lifts complying with ICC/A 117.1 listed  
in chapter 16, and installed in accordance with the Michigan elevator code, R 408.7001 to  
R 408.8695 shall be permitted as a component of an accessible route.  
History: 2002 AACS; 2008 AACS; 2010 AACS; 2014 AACS; 2016 AACS.  
R 408.30562 Submittal of documents.  
Rule 562. Section 106.1 of the code is amended as follows:  
106.1 Submittal of documents. Construction documents, special inspection and  
structural observation programs, investigation and evaluation reports, and other data  
shall be submitted in 1 or more sets with each application for a permit. The construction  
documents shall be prepared by or under the direct supervision of a registered design  
professional when required by 1980 P.A. 299, MCL 339.101 to 339.2721. Where  
special conditions exist, the building official is authorized to require additional  
construction documents to be prepared by a registered design professional.  
Exception: The building official is authorized to waive the submission of construction  
documents and other data not required to be prepared by a registered design  
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professional if it is found that the nature of the work applied for is such that reviewing  
of construction documents is not necessary to obtain compliance with this code.  
History: 2002 AACS; 2008 AACS.  
R 408.30563 Rescinded.  
History: 2002 AACS; 2003 AACS; 2014 AACS; 2016 AACS.  
R 408.30564 Elevator control.  
Rule 564. Section 1401.6.14 of the code is amended as follows:  
1401.6.14. Elevator control. Evaluate the passenger elevator equipment and controls  
that are available to the fire department to reach all occupied floors. Elevator recall  
controls shall be provided in accordance with the Michigan elevator code, R 408.7001 to  
R 408.8695. Under the categories and occupancies in table 1401.6.14, determine the  
appropriate value and enter that value into table 1401.7 under safety parameter 1401.6.14,  
elevator control, for fire safety, means of egress, and general safety. The values shall be  
zero for a single-story building.  
History: 2002 AACS; 2008 AACS; 2014 AACS.  
R 408.30565 Payment of fees.  
Rule 565. Section 108.1 of the code is amended as follows:  
108.1 Payment of fees. The fees prescribed by the act shall be paid to the enforcing  
agency of the jurisdiction before a permit to begin work may be issued. In addition, an  
amendment to a permit necessitating an additional fee shall not be approved until the  
additional fee has been paid.  
History: 2002 AACS; 2008 AACS.  
R 408.30565a Smoke alarm reference codes.  
Rule 565a. Sections 402.5, 403.10, 804.4.3, and 1104.1 of the code are amended as  
follows:  
402.5. Smoke alarms in existing portions of a building. Where an addition is made to a  
building or structure of a group R or I-1 occupancy, the existing building shall be  
provided with smoke alarms in accordance with the Michigan building code.  
403.10. Smoke alarms. Individual sleeping units and individual dwelling units in group  
R and I-1 occupancies shall be provided with smoke alarms in accordance with the  
Michigan building code.  
804.4.3. Smoke alarms. Individual sleeping units and individual dwelling units in any  
work area in group R and I-1 occupancies shall be provided with smoke alarms in  
accordance with the Michigan building code.  
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Exception: Interconnection of smoke alarms outside of the work area shall not be  
required.  
1104.1. Smoke alarms in existing portions of a building. Where an addition is made to  
a building or structure of a group R or I-1 occupancy, the existing building shall be  
provided with smoke alarms as required by the Michigan building code or the Michigan  
residential code as applicable.  
History: 2014 AACS; 2016 AACS.  
R 408.30566 Smoke alarm locations.  
Rule 566. Sections 501.3 and 501.3.1 are added to the code as follows:  
501.3. Smoke alarm locations in existing buildings constructed before November 6,  
1974. Within each dwelling unit or sleeping unit, a single-station smoke alarm shall be  
installed in the following locations:  
(1) In each sleeping room or each area directly outside the sleeping room.  
(2) On each floor level including the basement level.  
For sleeping units with split levels and without an intervening door between the adjacent  
levels, a smoke alarm installed on the upper level shall suffice for the adjacent lower  
level provided that the lower level is less than 1 full story below the upper level.  
501.3.1. Equipment Requirements. The required equipment for smoke alarms consist  
of the following:  
(1) Installation. Smoke alarm devices shall be listed and installed in accordance with  
the provisions of this code, the manufacturers installation requirements, and the  
provisions of NFPA 72 as listed in chapter 16.  
(2) Power Source. The equipment shall be operable by power from 1 of the following  
primary sources.  
(a) The building wiring provided that such wiring is served from a commercial source  
and is equipped with a battery backup. Wiring shall be permanent and without a  
disconnecting switch other than as required for overcurrent protection.  
(b) A non-rechargeable battery that is capable of operating the smoke alarm in the  
normal condition for a life of 5 years.  
(c) A rechargeable battery, with proper charging, able to power the alarm for a life of 5  
years and shall be automatically recharged by an AC circuit of the commercial light and  
power source.  
(d) A household or commercial use alarm system with battery backup listed and  
approved in accordance with the household and commercial fire warning equipment  
provisions of NFPA 72, as adopted by reference in this rule.  
(3) Audible Alarm Notification. The activation of the alarm signal shall produce a  
sound that is audible in all occupiable dwelling areas.  
(4) Testing and Maintenance. The owner of a dwelling unit, in which required or  
optional fire detection or fire protection systems equipment is installed, shall be  
responsible for the proper operation, testing, and maintenance of the equipment in  
accordance with the manufacturer’s instructions included with the equipment. The  
occupant of rental dwelling units shall be responsible for the periodic operational testing  
and periodic cleaning of the installed equipment within the rental unit in accordance with  
the testing instructions provided in the manufacturer’s instructions for the equipment. If  
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the system fails, breaks, or is out of service, it shall be repaired and functional within 30  
days.  
Exception: Smoke alarms and devices installed in buildings constructed before  
November 6, 1974 where an installation was approved by the appropriate enforcing  
agency under regulations in effect at the time of the installation shall be considered to  
comply with the provisions of the code.  
History: 2002 AACS; 2003 AACS; 2005 AACS; 2008 AACS; 2014 AACS; 2016 AACS.  
R 408.30567 Rescinded.  
History: 2002 AACS; 2003 AACS.  
R 408.30568 Altered area use and occupancy classification change.  
Rule 568. Sections 110.1 and 110.2 of the code are amended as follows:  
110.1. Altered area use and occupancy classification change. An altered area of a  
building shall not be used or occupied, and a change in the existing occupancy  
classification of a building or portion thereof shall not be made until the building official  
has issued a certificate of occupancy in accordance with the act. The issuance of a  
certificate of occupancy shall not be construed as an approval of a violation of the  
provisions of this code or of the other ordinances of the jurisdiction.  
110.2. Certificate issued. After the building official inspects the building or structure  
and finds no violations of the provisions of this code or other laws that are enforced by  
the department and all permit and plan review fees are paid, the building official shall  
issue a certificate of occupancy that contains all of the following:  
(a) The building permit number.  
(b) The address of the structure.  
(c) A description of that portion of the structure for which the certificate is issued.  
(d) A statement that the described portion of the structure has been inspected for  
compliance with the requirements of this code for the occupancy and division of  
occupancy and the use for which the proposed occupancy is classified.  
(e) The name and signature of the building official or designee, registered in  
accordance with the building officials and inspectors registration act, 1986 PA 54, MCL  
338.2301 to 338.2313.  
(f) The edition of the code under which the permit was issued.  
(g) The use and occupancy, in accordance with the provisions of the Michigan building  
code.  
(h) The type of construction as defined in the Michigan building code.  
(i) The design occupant load.  
(j) If an automatic sprinkler system is provided, whether the sprinkler system is  
required.  
(k) Any special stipulations and conditions of the building permit.  
History: 2002 AACS; 2008 AACS; 2014 AACS.  
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R 408.30569 Rescinded.  
History: 2002 AACS; 2008 AACS; 2010 AACS; 2014 AACS; 2016 AACS.  
R 408.30570 Board of appeals.  
Rule 570. Sections 112.1 and 112.3 of the code are amended as follows:  
112.1. Means of appeal. An interested person may appeal a decision of the enforcing  
agency to the board of appeals in accordance with the act. An application for appeal shall  
be based on a claim that the true intent of the code or the rules governing construction  
have been incorrectly interpreted, the provisions of the code do not apply, or an equal or  
better form of construction is proposed. The decision of a local board of appeals may be  
appealed to the construction code commission in accordance with the act and time  
frames.  
Exception: Requests for barrier free design exception shall be in accordance with 1966  
PA 1, MCL 125.1351 to 125.1356.  
112.3. Qualification. The board of appeals shall consist of members who are qualified  
in accordance with the act and are not employees of the governmental subdivision or the  
agency enforcing the code.  
History: 2002 AACS; 2008 AACS; 2010 AACS; 2014 AACS.  
R 408.30571 Violation penalties.  
Rule 571. Section 113.4 of the code is amended as follows:  
113.4 Violation penalties. (1) It is unlawful for any person, firm, or corporation to  
violate a provision of this code or fail to conform with any of the requirements thereof,  
or erect, construct, alter, extend, repair, move, remove, demolish, or occupy any  
building, structure, or equipment regulated by this code, or cause work to be performed  
or done in conflict with or in violation of the approved construction documents or  
directive of the enforcing agency or a permit or certificate issued under this code.  
(2) A violator shall be assessed a fine in accordance with the act.  
History: 2002 AACS; 2008 AACS.  
R 408.30572 Stop work order.  
Rule 572. Section 114.2 of the code is amended as follows:  
114.2. Issuance. Notice shall be in accordance with the act. A person who is served  
with a stop work order, except for work that the person is directed to perform to remove a  
violation or unsafe condition, is subject to the penalty provisions prescribed in the act.  
History: 2002 AACS; 2008 AACS; 2010 AACS; 2014 AACS.  
R 408.30573 Change of occupancy.  
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Rule 573. Section 410.4 of the code is amended as follows:  
410.4. Change of occupancy. Unless technically infeasible, sections 410.6, 410.7, and  
410.8 of the code shall be applied in accordance with the utilization of public facilities by  
physically limited, 1966 PA 1, MCL 125.1351 to 125.1356.  
History: 2002 AACS; 2008 AACS; 2010 AACS; 2014 AACS.  
R 408.30574 Accessibility.  
Rule 574. Section 705.1 of the code is amended as follows:  
705.1. General. A building, facility, or element that is accessible shall remain  
accessible in accordance with the requirements of the utilization of public facilities by  
physically limited, 1966 PA 1, MCL 125.1351 to 125.1356, and the Michigan building  
code, R 408.30401 to R 408.30499.  
History: 2002 AACS; 2008 AACS; 2014 AACS.  
R 408.30575 High-rise buildings.  
Rule 575. Sections 702.4 and 902.1 of the code are amended to read as follows:  
702.4. Window opening control devices. In group R-2 or R-3 buildings containing  
dwelling units, window opening control devices complying with ASTM F2090 shall be  
installed where an existing window is replaced and where all the following apply to the  
replacement window:  
1. The window is operable.  
2. The window replacement includes replacement of the sash and the frame.  
3. In group R-2 or R-3 buildings containing dwelling units, the top of the sill of the  
window opening is at a height less than 36 inches (915 mm) above the finished floor, or  
in one- and two-family dwellings and townhouses regulated by the international  
residential code, the top of the sill of the window opening is at a height less than 24  
inches (610 mm) above the finished floor.  
4. The window will permit openings that will allow passage of a 4-inch diameter (102  
mm) sphere when the window is in its largest opened position.  
5. The vertical distance from the top of the sill of the window opening to the finished  
grade or other surface below, on the exterior of the building, is greater than 72 inches  
(1829 mm).  
The window opening control device, after operation to release the control device  
allowing the window to fully open, shall not reduce the minimum net clear opening area  
of the window unit to less than the area required by the international building code.  
Exceptions:  
1. Operable windows where the top of the sill of the window opening is located more  
than 75 feet (22.86 m) above the finished grade or other surface below, on the exterior of  
the room, space or building, and that are provided with window fall prevention devices  
that comply with ASTM F2006.  
2. Operable windows with openings that are provided with window fall prevention  
devices that comply with ASTM F2090.  
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902.1. High-rise buildings. Any building having 1 or more occupied floors located  
more than 55 feet (16 764 mm) above the lowest level of fire department vehicle access  
shall comply with the requirements of sections 902.1.1 and 902.1.2.  
Exception: The provisions of sections 902.1.1 and 902.1.2 shall apply to buildings  
having occupied floor levels more than 75 feet above the lowest level of fire department  
vehicle access where the local unit of government has complied with the provisions of  
section 403.1 of the Michigan building code, exception 6.  
History: 2002 AACS; 2008 AACS; 2014 AACS; 2016 AACS.  
R 408.30576 Accessibility requirements.  
Rule 576. Sections 1006.1 and 1012.8 of the code are amended as follows:  
1006.1. General. Accessibility in portions of buildings undergoing a change of  
occupancy classification shall comply with the provisions of section 410.4.  
1012.8. Accessibility. A building, facility, or element that has a change in use group or  
occupancy load or alteration shall comply with the requirements of the utilization of  
public facilities by physically limited, 1966 PA 1, MCL 125.1351 to 125.1356 and the  
Michigan building code, R 408.30401 to R 408.30499.  
History: 2002 AACS; 2003 AACS; 2008 AACS; 2010 AACS; 2014 AACS.  
R 408.30577 Applicability.  
Rule 577. Sections 806.1 and 906.1 are added to the code and 1401.2 and 1401.2.5 of  
the code are amended as follows:  
806.1. General. A building, facility, or element that is altered shall comply with section  
410.  
906.1. General. A building, facility, or element that is altered shall comply with section  
410.  
1401.2. Applicability. Structures existing before November 6, 1974, in which there is  
work involving additions, alterations, or changes of occupancy shall be made to conform  
to the requirements of this chapter or the provisions of chapters 5 to13 of the code. The  
provisions in sections 1401.2.1 to 1401.2.5 shall apply to existing occupancies that will  
continue to be, or are proposed to be, in groups A, B, E, F, I-2, M, R, and S. This rule  
shall not apply to buildings with occupancies in group H or I-1, I-3, or I-4.  
1401.2.5. Accessibility requirements. All portions of the buildings proposed for change  
of occupancy shall conform to the accessibility provisions of section 410.  
History: 2002 AACS; 2003 AACS; 2008 AACS; 2010 AACS; 2014 AACS; 2016 AACS.  
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Courtesy of Michigan Administrative Rules  
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