DEPARTMENT OF LICENSING AND REGULATORY AFFAIRS
DIRECTOR'S OFFICE
CONSTRUCTION CODE
Filed with the secretary of state on
These rules take effect 120 days after filing with the secretary of state.
(By authority conferred on the director of the department of licensing and regulatory
affairs by section 4 of the Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1504, and Executive Reorganization Order Nos. 2003-1, 2008-4, 2011-4, MCL 445.2011, 445.2025, and 445.2030)
R 408.30500, R 408.30504, R 408.30505, R 408.30506 and R 408.30513 of the Michigan Administrative Code are amended, R 408.30501b and R 408.30501c are added, and R 408.30512 and R 408.30514 are rescinded, as follows:
PART 5. RESIDENTIAL CODE
R 408.30500 Applicable code.
Rule
500. The provisions of the international residential code, 2015 2018
edition, including appendices A, B, C, D, E, F, G, J, K, N, O, P, R, and S
except for Sections R 103.1, R 103.2, R 103.3, R104.2, R 104.3,
R 104.5, R 104.7, R 105.3, R 105.3.1, R 105.3.2, R 105.6, R 105.9, R 108.3,
R 108.4, R 108.5, R 108.6, R 109.1, R 112.2, R 112.3, R 112.4, R113.1 to R 113.3,
R 113.4, R 114.1 and R 114.2, R 313.1.1 to R 313.2.1, R 602.11, R602.12, N 1102.3.2,
tables R 507.2.3, N1101.12.3(3) and figure R 507.2.1(2), R 507.2.3(1), R 507.2.3(2),
and R 507.2.4, sections M1411.8, G2411.1.1.1 to G2411.1.1.5, G2439.7.2,
P2503.9, P2709.2.3, P2904.1.1 to P2904.8.2, P2905.1, P2905.2, f106.1igure
P2904.2.4.2, table P2904.2.2, tables P2904.6.2(1) to P2904.6.2(9), P3009.1 to
P3009.11.1, E3902.15, E3902.16, E3902.17, and AJ102.4, the IBC-2015, IECC-2015,
IMC-2015, IPC-2015, NFPA 70-2014 listed in chapter 44 govern the construction,
alteration, relocation, demolition, use, and occupancy of buildings and structures,
and, with the exceptions noted, the international residential code is adopted
by reference in these rules. All references to the International Building Code,
International Residential Code, International Energy Conservation Code,
National Electrical Code, International Existing Building Code, International
Mechanical Code, and International Plumbing Code mean the
Michigan Building Code, Michigan Residential Code, Michigan Energy Code, Michigan
Electrical Code, Michigan Rehabilitation Code for Existing Buildings, Michigan Mechanical
Code,
and Michigan Plumbing Code, respectively. The codes
are code is available for inspection and purchase at
the Okemos office of the Michigan Department of Licensing and
Regulatory Affairs, Bureau of
Construction
Codes, 611 W. Ottawa St., 1st Floor Ottawa Building, Lansing,
Michigan 48933. The codes code may be purchased from the
International Code Council, 500 New
Jersey
Avenue, N.W., 6th
Floor,
Washington, D.C. 20001, or from the Michigan Department of
Licensing
and Regulatory Affairs, Bureau of Construction Codes, 2501 Woodlake Circle,
Okemos,
Michigan 48864 ,
through the bureau’s website at www.michigan.gov/bcc, at a cost as of the
time of adoption of these amendatory rules of $118.00.
R 408.30501b Intent.
Rule 501b. Sections 101.3 and 101.4 of the code are amended to read as follows:
R101.3. Intent. The purpose of this code is to establish minimum requirements to safeguard the public safety, health, and general welfare through affordability, structural strength, means of egress facilities, stability, sanitation, light and ventilation, energy conservation, and safety to life and property from fire and other hazards attributed to the built environment, and to provide safety to fire fighters and emergency responders during emergency operations. The Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1501 to MCL 125.1531 takes precedence over all provisions of this code.
R101.4. Severability. If any section, subsection, sentence, clause, or phrase of this code is found to be invalid by a court of competent jurisdiction, such decision will not affect the validity of the remaining portions of this code.
R 408.30501c Existing structures.
Rule 501c. Section 102.7 is amended to read as follows:
R102.7. Existing structures. The legal occupancy of any structure existing on the date of adoption of this code shall be permitted to continue without change, except as is specifically covered in this code, the international property maintenance code, or the international fire code, or as allowed under the Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1501 to MCL 125.1531.
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. In the discharge of duties, the code
official may enter any
building, structure, or premises in the jurisdiction to enforce
the provisions of the act and
the code. If a building or premises is occupied,
the code official shall present his or her credentials to the occupant and
request entry. If a building or premises is unoccupied, the code official
shall first make a reasonable effort to locate either the owner, the owner’s
authorized agent or other person having care or control of the building or
premises and request entry. If entry is refused, the code official has
recourse to every remedy provided by law to secure entry.
When a code official has first obtained a proper inspection warrant or other remedy provided by law to secure entry, the owner, owner’s authorized agent or occupant or person having charge, care or control of the building or premises shall not fail or neglect, after a proper request is made as provided in this rule, to permit the code official prompt entry into the building or premises to inspect or examine the building or premises pursuant to this code.
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
violation of the provisions of the code or any other laws or ordinances of this jurisdiction.
Permits are not required for any of the following:
(a) Building permits shall not be required for any of the following:
(i) One-story detached accessory structures, if the floor area does not exceed 200
square feet (18.58 m2).
(ii) A fence that is not more than 7 feet (2 134 mm) high.
(iii) 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.
(iv) A water tank supported directly upon grade if the capacity is not more than
5,000 gallons (18 927 L) and the ratio of height to diameter or width is not greater than 2
to 1.
(v) A sidewalk and driveway not more than 30 inches (762 mm) above adjacent
grade and not over any basement or story below and not part of an accessible route.
(vi) Painting, papering, tiling, carpeting, cabinets, counter tops, and similar finish
work.
(vii) A prefabricated swimming pool that is less than 24 inches (610 mm) deep, and
not greater than 5,000 gallons (18 925 L), and is installed entirely above ground.
(viii) Swings and other playground equipment accessory to detached 1- or 2-family
dwellings.
(ix) 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 and group U occupancies.
(x) Decks, porches, patios, landings, or similar structures not exceeding 200 square feet (18.58 m2) in area, that are not more than 30 inches (762 mm) above grade at any point as prescribed by Section R312.1.1, are not attached to a dwelling or its accessory structures, are not within 36 inches (914 mm) of a dwelling or its accessory structures, and do not serve any ingress or egress door of the dwelling or its accessory structures.
(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 is not 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 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 this code.
(v) 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 (0.75kW) or less.
(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.
(xi) 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 (3 005 mm) in length and not
more than 6 fittings.
(xii) 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, 1978 PA 368, MCL 333.12701 to 333.12771.
(B) Has installed the geothermal vertical closed loops in accordance with the
department of environment, Great Lakes, and energy's 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. If any concealed
trap, drainpipe, water, soil, waste or vent pipe becomes defective and it becomes
necessary to remove and replace the same with new material, then the work is considered
as 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.
R 408.30506 Submittal documents.
Rule 506. Sections R106.1.4 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 R802.10.1, the truss design data sheet, may be provided to the building official as part of the construction documents at the time of application. Truss design drawings shall be submitted to the building official prior to truss installation as required by Section R802.10.1.
R802.10.1 Truss design drawings. Truss design drawings, prepared in conformance
with Section R802.10.1, shall be provided to the building official and approved prior to installation. The truss design data sheet, figure R802.10.1, may be provided to the building official at the time of permit application, as an alternative to design drawings as permitted in Section R106.1.4. Truss design drawings shall include, at a minimum, the information specified below. Truss design drawings shall be provided with the shipment of trusses delivered to the jobsite.
(1) Slope or depth, span, and spacing.
(2) Location of all joints.
(3) Required bearing widths.
(4) Design loads as applicable.
(a) Top chord live load (including snow loads).
(b) Top chord dead load.
(c) Bottom chord live load.
(d) Bottom chord dead load.
(e) Concentrated loads and their points of application.
(f) Controlling wind and earthquake loads.
(5) Adjustments to lumber and joint connector design values for conditions of use.
(6) Each reaction force and direction.
(7) Joint connector type and description (e.g., size, thickness, or gauge) and the
dimensioned location of each joint connector except where symmetrically located relative
to the joint interface.
(8) Lumber size, species, and grade for each member.
(9) Connection requirements for the following:
(a) Truss to truss girder.
(b) Truss ply to ply.
(c) Field splices.
(10) Calculated deflection ratio and/or maximum description for live and total load.
(11) Maximum axial compression forces in the truss members to enable the
building designer to design the size, connections, and anchorage of the permanent
continuous lateral bracing. Forces shall be shown on the truss design drawing or on
supplemental documents.
(12) Required permanent truss member bracing location.
R 408.30512 Notice to owner Rescinded.
Rule 512. Section R114.1 of the code is amended to read as follows:
R114.1. Notice to owner. The notice shall be in accordance with
the act. Any
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
in the act.
R 408.30513 Definitions.
Rule 513. The definitions of agricultural or agricultural
purposes and building inspector are added to the code and the definitions of
building, building official, registered design professional, and attic
and sunroom addition in Section R202 of the code are amended, the
definition of residential building type is deleted, and the definition of
structure is added to Section R202 to read as follows:
R202. Definitions.
“Agricultural or agricultural purposes” means of, or
pertaining to, or connected with,
or engaged in agriculture or tillage which is characterized by the
act or business of
cultivating or using land and soil for the production of crops for
the use of animals or
humans, and includes, but is not limited to, purposes related to
agriculture, farming,
dairying, pasturage, horticulture, floriculture, viticulture, and
animal and poultry
husbandry.
“Attic, uninhabitable with limited storage” means uninhabitable attics with limited
storage where the minimum clear height between joists and rafters is 42 inches (1 063
mm) or greater or where there are not 2 or more adjacent trusses with web configurations
capable of accommodating an assumed rectangle 42 inches (1 063 mm) high by 24 inches
(610 mm) in width, or greater, within the plane of the trusses.
“Attic, uninhabitable without storage” means uninhabitable attics without storage
where the maximum clear height between joists and rafters is less than 42 inches (1 063
mm), or where there are not 2 or more adjacent trusses with web configurations capable
of accommodating an assumed rectangle 42 inches (1 063 mm) high by 24 inches (610
mm) in width, or greater, within the plane of the trusses.
"Building" means a combination of materials,
whether portable or fixed, forming a
structure affording a facility or shelter for use or occupancy by
persons, animals, or
property. The term does not include a building incidental to the
use for agricultural
purposes of the land on which the building is located if it is not
used in the business of
retail trade. The term shall be construed as though followed by
the words "or part or
parts of the building and all equipment in the building"
unless the context clearly requires
a different meaning.
"Building inspector" means the person who is
appointed and employed by a
governmental subdivision, who is charged with the administration
and enforcement of the
state codes specified in R 408.30499, and who is registered in
compliance with 1986 PA
54, MCL 338.2301 to 338.2313. individual
who is responsible for the administration and enforcement of the construction
of buildings, structures, or appurtenances under the state construction code
specified in R 408.30499 and who is registered in compliance with 2016 PA 407,
MCL 339.5101 to 339.6133.
"Building official" means the person who is appointed and employed by a
governmental subdivision, who is charged with the administration and enforcement of the
state codes specified in R 408.30499, and who is registered in
compliance with 1986 PA 54, MCL 338.2301 to 338.2313. 2016 PA 407,
MCL 339.5101 to 339.6133.
“Registered design professional” means an individual who is licensed under the occupational code, 1980 PA 299, MCL 339.101 to 339.2919.
"Structure" means that which is built or constructed,
an edifice or building of any
kind, or a piece of work artificially built up or composed of
parts joined together in some
definite manner. Structure does not include a structure incident
to the use for agricultural
purposes of the land on which the structure is located and does
not include works of
heavy civil construction including, without limitation, any of the
following:
(a) A highway.
(b) A bridge.
(c) A dam.
(d) A reservoir.
(e) A lock.
(f) A mine.
(g) A harbor.
(h) A dockside port facility.
(i) An airport landing facility.
(j) A facility for the generation, or transmission, or
distribution of electricity.
Structure shall be construed as though followed by the word
"or part or parts of the
structure and all equipment in the structure," unless the
context clearly indicates
otherwise.
"Sunroom addition" means a new structure with glazing in excess of 40% of the
gross area of the structure's exterior walls and roof added to an existing dwelling.
R 408.30514 Means of appealRescinded.
Rule 514. Sections R112.1 and R112.3 of the code are amended to
read as follows:
R112.1 Means of appeal. An interested person has the
right to 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 Qualifications. 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.