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, and 2011-4, MCL 445.2011, 445.2025, and 445.2030)
R 408.30901a, R 408.30904a, R 408.30905a, R 408.30906a, R 408.30910a , R 408.30923a, R 408.30927a, R 408.30928a, R 408.30935a, R 408.30936a, R 408.30945a, R 408.30946, R 408.30946a, R 408.30995a, and R 408.30996 of the Michigan Administrative Code are amended, and R 408.30902a, R 408.30908a, R 408.30912a, R 408.30947a, and R 408.30948 are rescinded, as follows:
PART 9A. MECHANICAL CODE
AMENDMENTS AND ADDITIONS TO BASIC MECHANICAL CODE
R 408.30901a International mechanical code; adoption by reference.
Rule 901a. The provisions of the international mechanical
code, 20152018 edition, except for sections 102.10,
102.11, 103.2, 103.4, 104.6, 104.7, 106.1.1, 106.1.2, 106.3,
106.3.3, 106.4.5, 106.5.1 to 106.5.3, 107.2.5 to 107.2.5.3, 108.3, 108.5,
109.2, 109.1 to 109.7, 1101.10, and 1102.3 and
appendix B govern the construction, alteration, relocation, demolition, use,
and occupancy of buildings and structures. With the exceptions noted, the code
is adopted in these rules by reference. All references to the International
Building Code, International Residential Code, International Energy
Conservation Code, National Electrical Code, International Mechanical Code, and
International Plumbing Code mean the Michigan Building Code, Michigan Residential
Code, Michigan Energy Code, Michigan Electrical Code, Michigan Mechanical Code,
and Michigan Plumbing Code, respectively. The code is available for inspection,
and purchase at the Department of Licensing and Regulatory Affairs, Bureau
of Construction Codes, 611 W. Ottawa St., 1st Floor Ottawa Building,
Lansing, MI 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 $76.00$83.00
for each code book.
R 408.30902a Licensing requirementsRescinded.
Rule 902a. Section 101.2 of the code is amended to
read as follows:
101.2. Scope. This code regulates the design,
installation, maintenance, alteration, and inspection of mechanical systems
that are permanently installed and utilized to provide control of environmental
conditions and related processes within buildings. This code shall also
regulate the mechanical systems, system components, equipment, and appliances
specifically addressed in this code.
Exceptions:
1. Mechanical systems within 1- and 2-family dwellings
shall be constructed and maintained in accordance with the Michigan residential
code for 1- and 2-family dwellings.
2. Mechanical systems in existing buildings undergoing
repair, alterations, or additions, and change of occupancy shall be permitted
to comply with the Michigan rehabilitation code for existing buildings.
R 408.30904a Inspector registrationRight of entry.
Rule 904a. Section 103.1104.4 of the code
is amended to read as follows:
103.1104.4. General. The position of
mechanical inspector is created. The mechanical inspector shall be appointed in
accordance with 1986 PA 54, MCL 338.2301 et seq.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 408.30905a Definitions.
Rule 905a. The definition of act is added to section 202 of the code and the definitions of code official and occupiable space in section 202 of the code are amended to read as follows:
202. “Act” means the Stille-DeRossett-Hale single state construction code act, 1972 PA 230, MCL 125.1501 to 125.1531.
“Code official” means a person who is appointed and
employed by a governmental subdivision who is charged with the administration
and enforcement of the state code or codes, and who is registered in accordance
with 1986 PA 54, MCL 338.2301 to 338.2313an individual, who is registered
pursuant to article 10 of the skilled trades regulation act, 2016 PA 407, MCL 339.6001
to 339.6023, and who is authorized to conduct the inspections needed to
determine compliance with the provisions of this code. Construction or work that
requires a permit shall be subject to inspection by the code official. This construction
or work shall remain visible and be accessible for inspection purposes until
approved.
“Occupiable Space” means a room or enclosed space designed for regular or non-regular human occupancy in which individuals congregate for activities, amusement, educational or similar purposes, or in which occupants are engaged at labor, and which is equipped with means of egress, heat, light, and ventilation facilities meeting the requirements of this code. Occupiable space does not include those spaces that are intended primarily for other purposes such as storage rooms and equipment rooms.
R 408.30906a Work permit; submitting plans and specifications to authority.
Rule 906a. Sections 106.1, 106.2, 106.3,
106.3.1 106.4, 106.4.3 and 106.4.4 of the code are amended to read as follows:
106.1. Permits required. A contractor licensed under
1984 PA 192, MCL 338.971 to 338.988 who desires to erect, install, enlarge, alter,
repair, remove, convert, or replace a mechanical system, the installation of
which is regulated by this code, or to cause such work to be done, shall first
make application in accordance with the requirements of the act.
106.2. Permits not required. A person is not required to obtain a permit to perform mechanical work on any of the following items:
(a) A portable heating or gas appliance that has inputs of less than 30,000 Btu’s per hour.
(b) Portable ventilation appliances and equipment.
(c) A portable cooling unit.
(d) Steam, hot water, or chilled water piping within any heating or cooling equipment or appliances regulated by the code.
(e) The replacement of any minor part that does not alter the approval of equipment or an appliance or make such equipment or appliance unsafe.
(f) A portable evaporative cooler.
(g) Self-contained refrigeration systems that contain 10
pounds or less of refrigerant, or that are actuated by motors of 1 1.5
horsepower or less.
(h) Portable fuel cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
(i) An oil burner that does not require connection to a flue, such as an oil stove and a heater equipped with a wick.
(j) A portable gas burner that has inputs of less than
30,000 Btu’s per hour.
(k)(j) 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 in length and not more than 6 fittings.
(l)(k) 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:
(1) 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.
(2) Has installed the geothermal vertical closed loops in
accordance with pursuant to 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.
106.3 Application for permit. Each application for a
permit, along with the required fee, shall be filed with the code official on a
form furnished for that purpose and shall contain a general description of the
proposed work and its location. The contractor who is performing the work shall
sign the application. The permit application shall indicate the proposed
occupancy of all parts of the building and of that portion of the site or lot,
if any, not covered by the building or structure and shall contain the information
required by the act.
106.3.1 Construction
documents. (1) Construction documents, engineering calculations, diagrams, and
other data shall be submitted in 2 or more sets with each application for a
permit. Officials from the bureau of construction codes may require additional
construction documents for unusual designs and when questions are asked about a
system design that is beyond conventional system parameters. The code
official shall require construction documents, computations, and specifications
to be prepared and designed by a registered design professional in
accordance with pursuant to the occupational code, 1980 PA 299, MCL
339.101 to 339.2919 339.2677.
Exceptions:
1. The code official may waive the submission of construction documents, calculations, or other data if the nature of the work applied for is such that reviewing of construction documents is not necessary to determine compliance with the code.
2. Construction documents
shall not be required when obtaining a permit from the State of Michigan,
bureau of construction codes for any of the following circumstance circumstances:
a. One-and 2-family
dwellings when the heating or cooling input rating is 375,000 Btu’s or less.
b.a.
Alterations and repair work determined by the mechanical official to be of a
minor nature.
c.b. Business
use group, mercantile use group, and storage use group buildings having
HVAC equipment only, with 1 fire area and not more than 3,500 square feet.
d.c. Work completed
by a governmental subdivision or state agency costing less than $15,000.00.
Bureau code officials may
require construction documents in unusual designs and where questions arise as
a result of a system design beyond conventional system parameters.
(2) Where special conditions exist, the code official may require additional construction documents to be prepared by a registered design professional.
(3) Construction documents shall be drawn to scale and shall be of sufficient clarity to indicate the location, nature, and extent of the work proposed and show in detail that the work conforms to the provisions of this code.
(4) Construction documents for buildings more than 2 stories in height shall indicate where penetrations will be made for mechanical systems, and the materials and methods for maintaining required structural safety, fire-resistance rating, and fire blocking.
106.4. Permit issuance. The enforcing agency shall
review the application, construction documents, and other data filed by an
applicant for permit in accordance with pursuant to the act. If
the enforcing agency finds that the proposed work conforms to the requirements
of the act, the code, and all other applicable laws and ordinances thereto,
and that all fees prescribed by the act have been paid, then the enforcing
agency shall issue a permit to the applicant.
106.4.3. Expiration. Each permit issued by the code official under the provisions of the code shall expire by limitation and become null and void if the work authorized by the permit is not begun within 180 days from the date of the permit, or if the work authorized by the permit is suspended or abandoned at any time after the work is begun for a period of 180 days. Before work is recommenced, the permit shall be reinstated if the code has not changed. If the code has changed and the work was not started, a new permit shall be first obtained, provided no changes have been made or will be made in the original construction document and that suspension or abandonment has not exceeded 1 year.
106.4.4. Extensions. A permittee holding an unexpired permit may apply for an extension of the time within which the permittee may begin work under that permit if for good and satisfactory reasons. The code official shall extend the time for action by the permittee for a period not exceeding 180 days if there is reasonable cause. No permit shall be extended more than once.
R 408.30908a Means of appealRescinded.
Rule 908a. Section 109.1 of the code is amended to
read as follows:
109.1. 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 the
applicable time frames.
R 408.30910a Stop work order Intent.
Rule 910a. Section 101.3 of the code is amended to read as follows:
108.5. Intent. The purpose of this code is to establish
minimum standards to provide a reasonable level of safety, health, property
protection, and public welfare by regulating and controlling the design, construction,
installation, quality of materials, location, operation, and maintenance or use
of mechanical systems. The Act act takes precedence over all provisions
of this code.
R 408.30912a Enclosed parking garagesRescinded.
Rule 912a. Section 404.1 of the code is amended to read
as follows:
404.1. Enclosed parking garages. Mechanical
ventilation systems for enclosed parking garages are not required to operate
continuously where the system is arranged to operate automatically upon
detection of carbon monoxide (CO) not to exceed 25 parts per million (ppm) and
nitrogen dioxide (NO2) not to exceed 3 ppm by approved automatic
detection devices.
404.1.1 Testing. Testing of detection devices shall
be per manufacturer’s installation instructions. All detectors shall be calibrated
per the manufacturer’s instructions at an interval not to exceed 1 year.
R 408.30923a Equipment installation.
Rule 923a. Sections 301.10.1 is added to the code
and section 309.1 of the code is amended to read as follows:
301.10.1. Electrical disconnect. The mechanical
contractor shall ensure that all equipment have has an electrical
disconnect switch on, or immediately adjacent to,within 6 feet of,
the equipment.
309.1. Occupiable space heating system systems.
Interior spaces intended for human occupancy shall be provided with heating
facilities capable of maintaining a minimum interior room temperature of
68 degrees Fahrenheit at a point 3 feet above the floor and 2 feet from
exterior walls at the required design temperature. The installation
of portable space heaters shall not be used to achieve compliance comply
with this section.
Exception:
1. Interior spaces where the primary purpose is not associated with human comfort.
2. Group F, H, S, and U occupancies.
R 408.30927a Equipment and appliances on roofs or elevated structures.
Rule 927a. Sections 306.5 and 306.5.1 of the code are amended to read as follows:
306.5 Equipment and appliances
on roofs or elevated structures. Where equipment or appliances requiring access
are located on an elevated structure or the roof of a building so that
personnel will have to climb higher than 16 feet above grade to access this
equipment or these appliances, an interior or exterior means of access shall be
provided. Such This access shall not require climbing over
obstructions greater than 30 inches high or walking on roofs having a slope
greater than 4 units vertical in 12 units horizontal (33- percent 33%
slope). Such This access shall not require the use of portable
ladders. Where access involves climbing over parapet walls, the height shall
be measured to the top of the parapet wall.
Permanent ladders installed to provide the required access shall comply with all of the following minimum design criteria:
(1) The side railing shall extend above the parapet or roof edge not less than 30 inches.
(2) Ladders shall have rung spacing not to exceed 14 inches on center. The uppermost rung shall be a maximum of 24 inches below the upper edge of the roof hatch, roof, or parapet, as applicable.
(3) Ladders shall have a toe spacing not less than 6 inches deep.
(4) There shall be a minimum of 18 inches between rails.
(5) Rungs shall have a minimum 0.75-inch diameter and be capable of withstanding a 300-pound load.
(6) Ladders over 30 feet in height shall be provided with offset sections and landings capable of withstanding 100 pounds per square foot. Landing dimensions shall be not less than 18 inches and not less than the width of the ladder served. A guard rail shall be provided on all open sides of the landing.
(7) Climbing clearance. The distance from the center line of the rungs to the nearest permanent object on the climbing side of the ladder shall be a minimum of 30 inches measured perpendicular to the rungs. This distance shall be maintained from the point of ladder access to the bottom of the roof hatch. A minimum clear width of 15 inches shall be provided on both sides of the ladder measured from the midpoint of and parallel with the rungs, except where cages or wells are installed.
(8) Landing required. A ladder shall be provided with a clear and unobstructed bottom landing area having a minimum dimension of 30 inches by 30 inches centered in front of the ladder.
(9) Ladders shall be protected against corrosion by approved means.
(10) Access to ladders shall be provided at all times.
Catwalks installed to provide the required access shall be not less than 24 inches wide and shall have railings as required for service platforms.
Exception 1: For construction other than new
construction, an An approved, permanent
building mounted ladder receiver that prevents the ladder from
sliding sideways off the building, or slipping backward and meets
the ladder safety standard under the OSHA
regulations –at 29 CFR 1926.1053(b)(1) may be installed
on buildings under 20 feet in height above grade to access such equipment or
appliances.
Exception 2: This section shall not apply to group R-3 occupancies.
306.5.1 Sloped roofs. Where appliances are installed on a
roof having a slope of 3 units vertical in 12 units horizontal or greater and
having an edge more than 30 inches above grade at such edge, a level platform shall
be provided on each side of the appliance to which the access is required for
service, repair, or maintenance. The platform shall not be less than 30 inches
in any dimension and shall be provided with guards. The guards shall extend not
less than 42 inches above the platform, shall be constructed so as to
prevent the passage of a 21-inch-diameter sphere, and shall comply with the
loading requirements for guards specified in the Michigan building code.
Access to appliances shall not require climbing over obstructions greater than
30 inches high or walking on roofs having a slope greater than 4 units vertical
in 12 units horizontal. Permanent ladders, or equivalent, shall be
provided on both sides requiring access in accordance with pursuant to the
ladder requirements of section 306.5.
Exception: This section shall not apply to group R-3 occupancies.
R 408.30928a Solid fuel burning equipment.
Rule 928a. SectionsSection 901.5 929.0, and
929.1 are is added to the code to read as follows:
901.5 Solid fuel burning equipment. Solid fuel burning
equipment shall be listed and labeled in accordance with pursuant to
section 301.4 304.1of the code and installed in accordance with pursuant
to the manufacturer’s instructions and NFPA 211-20132016 requirements.
929.0 Solid fuel hydronic heaters.
929.1 Solid fuel hydronic heaters shall be listed and
labeled, or approved by the code official in accordance with the Michigan
mechanical code section 105, or have certificate of acceptability issued by the
Michigan construction code commission.
R 408.30935a Commercial kitchens; ventilation.
Rule 935a SectionsSection 506.1,
506.3.6, 507.1, and 507.2.6, of the code are amended and sections 507.16.1.1507.6.1.1
is added to the code to read as follows:
506.1. Ventilation requirements for commercial
kitchens. Commercial kitchen hood ventilation ducts and exhaust equipment shall
be in compliance with NFPA-96-2014, which is the standard of the national fire
protection association listed in chapter 15 of the code.
506.3.6 Grease duct clearances. Grease duct systems
and exhaust equipment serving a type I hood shall have clearances to
combustibles as required by NFPA-96-2014, as listed in chapter 15 of the code.
Exception: Listed and labeled factory-built commercial
kitchen grease ducts and exhaust equipment installed in accordance with section
304.1 of the code.
507.1 General. Commercial kitchen exhaust hoods shall
comply with the requirements of this subrule and NFPA 96-2014. Hoods shall be
type I or type II and shall be designed to capture and confine cooking vapors and
residues. A type I or type II hood shall be installed at or above all
commercial cooking appliances in accordance with sections 507.2 and 507.3 of the
code. When a cooking appliance under a single hood requires a type I hood, a
type I hood shall be installed. When a type II hood is required, a type I or
type II hood shall be installed. When a type I hood is installed, the
installation of the entire system, including the hood, ducts, exhaust equipment,
and makeup air system, shall comply with the requirements of sections 506, 507,
508, and 509 of the code.
Exceptions:
1. Factory-built commercial exhaust hoods that are
listed and labeled in accordance with UL 710, and installed in accordance with
section 304.1 of the code, shall not be required to comply with sections 507.1.5,
507.2.3, 507.2.5, 507.2.8, 507.3.1, 507.3.3, 507.4, and 507.5 of the code.
2. Factory-built commercial cooking recirculating systems
that are listed and labeled in accordance with UL 710B and installed in
accordance with section 304.1 of the code, shall not be required to comply with
sections 507.1.5, 507.2.3, 507.2.5, 507.2.8, 507.3.1, 507.3.3, 507.4, and 507.5
of the code. Spaces in which these systems are located shall be considered kitchens
and shall be ventilated in accordance with table 403.3.1.1. For the purpose of
determining the floor area required to be ventilated, each appliance shall be
considered as occupying not less than 100 square feet (9.3 m2).
3. When cooking appliances are equipped with integral
down-draft exhaust systems and such these appliances and exhaust systems are
listed and labeled for the application in accordance with NFPA 96-2014, a hood
shall not be required at or above these appliances.
507.2.6. Clearances for type I hood. A type I hood
shall be installed with clearances from combustibles as required by NFPA-96-2014
as listed in chapter 15 of the code.
507.16.1.1507.6.1.1 Smoke test. The field test
identified in section 507.16.1 of the code shall be conducted in
accordance with pursuant to the smoke testing procedures established
by the bureau of construction codes, which are available at no cost from the
bureau's website at www.michigan.gov/bcc,
or from the Michigan Department of Licensing and Regulatory Affairs, Bureau of
Construction Codes, 611 W. Ottawa St., 1st Floor Ottawa Building,
Lansing, MI 48933.
R 408.30936a Scope of article.
Rule 936a. Section 1001.2 is added to the code to read as follows:
1001.2. Boilers. In addition to the other provisions of
the code, this article governs the installation, alteration, and repair of
water heaters and boilers. The installation of boilers shall be in compliance
must comply with the provisions of this code and the Michigan boiler code
skilled trades regulation act, 2016 PA 407, MCL 339.5101 to 339.6133.
R 408.30945a Ventilation; exhaust.
Rule 945a. Sections 501.3, 504.4, and 504.8.2, 504.10,
and 505.3 of the code are amended to read as follows:
501.3 Exhaust discharge. The air removed by every mechanical exhaust system shall be discharged outdoors at a point where it will not cause a public nuisance and not less than the distances specified in section 501.3.1 of the code. The air shall be discharged to a location from which it cannot again be readily drawn in by a ventilating system. Air shall not be exhausted into an attic or a crawl space, be directed onto walkways, or terminate within 3 feet of a ventilated section in a soffit.
Exceptions:
1. Whole-house ventilation-type attic fans shall be
permitted to discharge into the attic space of dwelling units that have private
attics.
2. Commercial cooking recirculating systems.
3. When installed in accordance with pursuant
to the manufacturer’s instructions and when mechanical or natural ventilation
is otherwise provided in accordance with pursuant to chapter 4 of
the code, listed and labeled domestic ductless range hoods shall not be required
to discharge to the outdoors.
504.4 Exhaust installation.
Dryer exhaust ducts for clothes dryers shall terminate on the outside of the
building, shall not terminate within 3 feet of a ventilated section in a
soffit, and shall be equipped with a back draft back-draft
damper. Screens shall not be installed at the duct termination. Ducts shall not
be connected or installed with sheet metal screws or other fasteners that will
obstruct the exhaust flow. Clothes dryer exhaust ducts shall not be connected
to a vent connector, vent, or chimney. Clothes dryer exhaust ducts shall not extend
into or pass through ducts or plenums.
504.8.2 Duct installation. Dryer exhaust ducts shall be supported at 4-foot (1,219 mm) intervals and secured in place. The insert end of the duct shall extend into the adjoining duct or fitting in the direction of airflow. Ducts shall not be joined with screws or similar fasteners that protrude into the inside of the duct.
504.10 Common exhaust systems for clothes dryers located
in multistory structures. When a common multistory duct system is designed and
installed to convey exhaust from multiple clothes dryers, the system shall be
engineered by a registered design professional and installed in accordance with
the Michigan building construction codes.
505.3 Common exhaust systems for domestic kitchens
located in multistory structures. When a common multistory duct system is
designed and installed to convey exhaust from multiple domestic kitchens, the
system shall be engineered by a registered design professional and installed in
accordance with the Michigan building construction codes.
R 408.30946 Alterations and repairs.
Rule 946. Section 1001.3 is added to the code to read as follows:
1001.3. Alterations and repairs. Alterations and repairs
to boilers shall be in accordance with must be made pursuant to the
Michigan boiler act, 1965 PA 290, MCL 408.751 to 408.776 skilled trades
regulation act, 2016 PA 407, MCL 339.5101 to 339.6133.
R 408.30946a Welding.
Rule 946a. Section 1003.3 of the code is amended to read as follows:
1003.3. Welding on pressure vessels shall be in
accordance must be performed pursuant to ASME boiler and pressure
vessel code section VIII and IX.
R 408.30947a Boiler connectionsRescinded.
Rule 947a. Section 1005.1 of the code is amended to
read as follows:
1005.1 Valves. Every boiler or modular boiler shall
have a shutoff valve in the supply and return piping. For multiple boiler or
multiple modular boiler installations, each boiler or modular boiler shall have
individual shutoff valves in the supply and return piping.
Exception: Shutoff valves are not required in a system
having a single low-pressure steam boiler. When a boiler is located above the
system and can be drained without draining the system, stop valves may be
eliminated.
R 408.30948 Boiler safety devicesRescinded.
Rule 948. Section 1006.1.1 is added to the code and 1006.7
of the code is amended to read as follows:
1006.1.1 Safety and safety relief inlets. The opening
or connection between the boiler and any safety or safety relief valve shall
have at least the area of the valve inlet.
1006.7. Boiler safety devices. Boilers shall be
equipped with controls and limit devices as required by ASME, CSD-1-2012, the
manufacturer’s installation instructions, and the conditions of the listing.
All controls and safety devices shall be tested and maintained in accordance
with ASME code CSD-1-2012.
R 408.30995a Automatic sprinkler systems generally.
Rule 995a. Sections 1600.0, 1600.1, and 1600.2 are added to the code to read as follows:
1600.0. Automatic sprinkler systems; fire suppression systems.
1600.1 Scope. The provisions of this chapter provide the minimum requirements for the design and installation of automatic sprinkler systems in all occupancies, except for 1- and 2-family dwellings.
1600.2. Installations. Installations be in compliance
must comply with the provisions of the code. Fire suppression systems shall
be in compliance must comply with the provisions of the building
code and shall be installed in accordance with pursuant to the
code and NFPA-13-20102016, NFPA-13D-20102016,
NFPA-13R-20102016, and NFPA-24-20102016,
installation of sprinkler systems, installation of sprinkler systems in 1- and
2-family dwellings and manufactured homes, installation of sprinkler systems in
residential occupancies up to 4 stories in height, and standards of the
national fire protection association listed in chapter 15.
R 408.30996 Process piping.
Rule 996. Sections 1700.0 and 1700.1 are added to the code to read as follows:
1700.0. Process piping.
1700.1 Scope. The provisions of this chapter provide the
minimum requirements for the design and installation of process piping systems
pursuant to ASME B31.3-20102018
1700.2 Process piping. Process piping includes pipes that transfer chemicals and other fluids, gases, or vapors for systems other than air conditioning systems as covered by the Michigan mechanical code. Process piping is not considered part of a refrigeration system or part of a system designed to provide air conditioning.