ADOPTS WITH AMENDMENTS:

International Building Code 2018 (IBC 2018)

ICC 300 Bleachers, Folding and Telescopic Seating, and Grandstands

Heads up: There are no amended sections in this chapter.

User notes:

About this chapter: Chapter 31 provides regulations for unique buildings and building elements. Those include buildings such as membrane structures, greenhouses and relocatable buildings. Special elements include pedestrian walkways and tunnels, awnings, canopies and marquees, vehicular gates and solar energy systems.

Code development reminder: Code change proposals to sections preceded by the designation [BS] will be considered by the IBC—Structural Code Development Committee during the 2019 (Group B) Code Development Cycle. See explanation on page iv.

The provisions of this chapter shall govern special building construction including membrane structures, temporary structures, pedestrian walkways and tunnels, automatic vehicular gates, awnings and canopies, marquees, signs, towers, antennas, relocatable buildings, swimming pool enclosures and safety devices, and solar energy systems.

The provisions of Sections 3102.1 through 3102.8 shall apply to air-supported, air-inflated, membrane-covered cable, membrane-covered frame and tensile membrane structures, collectively known as membrane structures, erected for a period of 180 days or longer. Those erected for a shorter period of time shall comply with the International Fire Code. Membrane structures covering water storage facilities, water clarifiers, water treatment plants, sewage treatment plants, greenhouses and similar facilities not used for human occupancy are required to meet only the requirements of Sections 3102.3.1 and 3102.7. Membrane structures erected on a building, balcony, deck or other structure for any period of time shall comply with this section.
Tensile membrane structures and air-supported structures, including permanent and temporary structures, shall be designed and constructed in accordance with ASCE 55. The provisions in Sections 3102.3 through 3102.6 shall apply.
Noncombustible membrane structures shall be classified as Type IIB construction. Noncombustible frame or cable-supported structures covered by an approved membrane in accordance with Section 3102.3.1 shall be classified as Type IIB construction. Heavy timber frame-supported structures covered by an approved membrane in accordance with Section 3102.3.1 shall be classified as Type IV construction. Other membrane structures shall be classified as Type V construction.
Exception: Plastic less than 30 feet (9144 mm) above any floor used in greenhouses, where occupancy by the general public is not authorized, and for aquaculture pond covers is not required to meet the fire propagation performance criteria of Test Method 1 or Test Method 2, as appropriate, of NFPA 701.

Membranes and interior liners shall be either noncombustible as set forth in Section 703.5 or meet the fire propagation performance criteria of Test Method 1 or Test Method 2, as appropriate, of NFPA 701 and the manufacturer's test protocol.

Exception: Plastic less than 20 mil (0.5 mm) in thickness used in greenhouses, where occupancy by the general public is not authorized, and for aquaculture pond covers is not required to meet the fire propagation performance criteria of Test Method 1 or Test Method 2, as appropriate, of NFPA 701.

The area of a membrane structure shall not exceed the limitations specified in Section 506.

Membrane structures shall not exceed one story nor shall such structures exceed the height limitations in feet specified in Section 504.3.

Exception: Noncombustible membrane structures serving as roofs only.

Membrane structures shall be permitted to be utilized as specified in this section as a portion of buildings of other types of construction. Height and area limits shall be as specified for the type of construction and occupancy of the building.
A noncombustible membrane shall be permitted for use as the roof or as a skylight of any building or atrium of a building of any type of construction provided that the membrane is not less than 20 feet (6096 mm) above any floor, balcony or gallery.
A membrane meeting the fire propagation performance criteria of Test Method 1 or Test Method 2, as appropriate, of NFPA 701 shall be permitted to be used as the roof or as a skylight on buildings of Type IIB, III, IV and V construction, provided that the membrane is not less than 20 feet (6096 mm) above any floor, balcony or gallery.
The structure shall be designed and constructed to sustain dead loads; loads due to tension or inflation; live loads including wind, snow or flood and seismic loads and in accordance with Chapter 16.
For membrane-covered frame structures, the membrane shall not be considered to provide lateral restraint in the calculation of the capacities of the frame members.
Air-supported and air-inflated structures shall be provided with primary and auxiliary inflation systems to meet the minimum requirements of Sections 3102.8.1 through 3102.8.3.
The inflation system shall consist of one or more blowers and shall include provisions for automatic control to maintain the required inflation pressures. The system shall be so designed as to prevent overpressurization of the system.
In addition to the primary inflation system, in buildings larger than 1,500 square feet (140 m2) in area, an auxiliary inflation system shall be provided with sufficient capacity to maintain the inflation of the structure in case of primary system failure. The auxiliary inflation system shall operate automatically when there is a loss of internal pressure and when the primary blower system becomes inoperative.

Blower equipment shall meet all of the following requirements:

  1. Blowers shall be powered by continuous-rated motors at the maximum power required for any flow condition as required by the structural design.
  2. Blowers shall be provided with inlet screens, belt guards and other protective devices as required by the building official to provide protection from injury.
  3. Blowers shall be housed within a weather-protecting structure.
  4. Blowers shall be equipped with backdraft check dampers to minimize air loss when inoperative.
  5. Blower inlets shall be located to provide protection from air contamination. The location of inlets shall be approved.

3102.8.2 Standby Power

ILLUSTRATION
Wherever an auxiliary inflation system is required, an approved standby power-generating system shall be provided. The system shall be equipped with a suitable means for automatically starting the generator set upon failure of the normal electrical service and for automatic transfer and operation of all of the required electrical functions at full power within 60 seconds of such service failure. Standby power shall be capable of operating independently for not less than 4 hours.
A system capable of supporting the membrane in the event of deflation shall be provided for in air-supported and air-inflated structures having an occupant load of 50 or more or where covering a swimming pool regardless of occupant load. The support system shall be capable of maintaining membrane structures used as a roof for Type I construction not less than 20 feet (6096 mm) above floor or seating areas. The support system shall be capable of maintaining other membranes not less than 7 feet (2134 mm) above the floor, seating area or surface of the water.
The provisions of Sections 3103.1 through 3103.4 shall apply to structures erected for a period of less than 180 days. Tents, umbrella structures and other membrane structures erected for a period of less than 180 days shall comply with the International Fire Code. Those erected for a longer period of time shall comply with applicable sections of this code.
Temporary structures and uses shall conform to the structural strength, fire safety, means of egress, accessibility, light, ventilation and sanitary requirements of this code as necessary to ensure public health, safety and general welfare.
Temporary structures that cover an area greater than 120 square feet (11.16 m2), including connecting areas or spaces with a common means of egress or entrance that are used or intended to be used for the gathering together of 10 or more persons, shall not be erected, operated or maintained for any purpose without obtaining a permit from the building official.
A permit application and construction documents shall be submitted for each installation of a temporary structure. The construction documents shall include a site plan indicating the location of the temporary structure and information delineating the means of egress and the occupant load.
Temporary structures shall be located in accordance with the requirements of Table 602 based on the fire-resistance rating of the exterior walls for the proposed type of construction.

3103.4 Means of Egress

ILLUSTRATION
Temporary structures shall conform to the means of egress requirements of Chapter 10 and shall have an exit access travel distance of 100 feet (30 480 mm) or less.
This section shall apply to connections between buildings such as pedestrian walkways or tunnels, located at, above or below grade level, that are used as a means of travel by persons. The pedestrian walkway shall not contribute to the building area or the number of stories or height of connected buildings.
Pedestrian walkways shall be designed and constructed in accordance with Sections 3104.2 through 3104.9. Tunnels shall be designed and constructed in accordance with Sections 3104.2 and 3104.10.

Buildings connected by pedestrian walkways or tunnels shall be considered to be separate structures.

Exceptions:

  1. Buildings that are on the same lot and considered as portions of a single building in accordance with Section 503.1.2.
  2. For purposes of calculating the number of Type B units required by Chapter 11, structurally connected buildings and buildings with multiple wings shall be considered to be one structure.

The pedestrian walkway shall be of noncombustible construction.

Exceptions:

  1. Combustible construction shall be permitted where connected buildings are of combustible construction.
  2. Fire-retardant-treated wood, in accordance with Section 603.1, Item 1.3, shall be permitted for the roof construction of the pedestrian walkway where connected buildings are not less than Type I or II construction.
Only materials and decorations approved by the building official shall be located in the pedestrian walkway.

The connection of a pedestrian walkway to a building shall comply with Section 3104.5.1, 3104.5.2, 3104.5.3 or 3104.5.4.

Exception: Buildings that are on the same lot and considered as portions of a single building in accordance with Section 503.1.2.

3104.5.1 Fire Barriers

ILLUSTRATION
Pedestrian walkways shall be separated from the interior of the building by not less than 2-hour fire barriers constructed in accordance with Section 707 and Sections 3104.5.1.1 through 3104.5.1.3.
Exterior walls of buildings connected to pedestrian walkways shall be 2-hour fire-resistance rated. This protection shall extend not less than 10 feet (3048 mm) in every direction surrounding the perimeter of the pedestrian walkway.
Openings in exterior walls required to be fire-resistance rated in accordance with Section 3104.5.1.1 shall be equipped with opening protectives providing a not less than 3/4-hour fire protection rating in accordance with Section 716.
The fire barrier shall be supported by construction as required by Section 707.5.1.

The wall separating the pedestrian walkway and the building shall comply with Section 3104.5.2.1 or 3104.5.2.2 where:

  1. The distance between the connected buildings is more than 10 feet (3048 mm).
  2. The pedestrian walkway and connected buildings are equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1, and the roof of the walkway is not more than 55 feet (16 764 mm) above grade connecting to the fifth, or lower, story above grade plane, of each building.

Exception: Open parking garages need not be equipped with an automatic sprinkler system.

The wall shall be capable of resisting the passage of smoke.
The wall shall be constructed of a tempered, wired or laminated glass and doors separating the interior of the building from the pedestrian walkway. The glass shall be protected by an automatic sprinkler system in accordance with Section 903.3.1.1 that, when actuated, shall completely wet the entire surface of interior sides of the wall or glass. Obstructions shall not be installed between the sprinkler heads and the wall or glass. The glass shall be in a gasketed frame and installed in such a manner that the framing system will deflect without breaking (loading) the glass before the sprinkler operates.

Where the distance between the connected buildings is more than 10 feet (3048 mm), the walls at the intersection of the pedestrian walkway and each building need not be fire-resistance rated provided that both sidewalls of the pedestrian walkway are not less than 50 percent open with the open area uniformly distributed to prevent the accumulation of smoke and toxic gases. The roof of the walkway shall be located not more than 40 feet (12 160 mm) above grade plane, and the walkway shall only be permitted to connect to the third or lower story of each building.

Exception: Where the pedestrian walkway is protected with a sprinkler system in accordance with Section 903.3.1.1, the roof of the walkway shall be located not more than 55 feet (16 764 mm) above grade plane and the walkway shall only be permitted to connect to the fifth or lower story of each building.

Where exterior walls of connected buildings are required by Section 705 to have a fire-resistance rating greater than 2 hours, the walls at the intersection of the pedestrian walkway and each building need not be fire-resistance rated provided:

  1. The pedestrian walkway is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1.
  2. The roof of the walkway is not located more than 55 feet (16 764 mm) above grade plane and the walkway connects to the fifth, or lower, story above grade plane of each building.
Access shall be provided at all times to a pedestrian walkway that serves as a required exit.
The unobstructed width of pedestrian walkways shall be not less than 36 inches (914 mm). The total width shall be not greater than 30 feet (9144 mm).

3104.9 Exit Access Travel

ILLUSTRATION

The length of exit access travel shall be 200 feet (60 960 mm) or less.

Exceptions:

  1. Exit access travel distance on a pedestrian walkway equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 shall be 250 feet (76 200 mm) or less.
  2. Exit access travel distance on a pedestrian walkway constructed with both sides not less than 50 percent open shall be 300 feet (91 440 mm) or less.
  3. Exit access travel distance on a pedestrian walkway constructed with both sides not less than 50 percent open, and equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1, shall be 400 feet (122 m) or less.
Separation between the tunneled walkway and the building to which it is connected shall be not less than 2-hour fire-resistant construction and openings therein shall be protected in accordance with Section 716.
Awnings and canopies shall comply with the requirements of Sections 3105.2 and 3105.3 and other applicable sections of this code.
Awnings and canopies shall be designed and constructed to withstand wind or other lateral loads and live loads as required by Chapter 16 with due allowance for shape, open construction and similar features that relieve the pressures or loads. Structural members shall be protected to prevent deterioration. Awnings shall have frames of noncombustible material, fire-retardant-treated wood, heavy timber complying with Section 2304.11, or 1-hour construction with combustible or noncombustible covers and shall be either fixed, retractable, folding or collapsible.

Awnings and canopies shall be provided with an approved covering that complies with one of the following:

  1. The fire propagation performance criteria of Test Method 1 or Test Method 2, as appropriate, of NFPA 701.
  2. Has a flame spread index not greater than 25 when tested in accordance with ASTM E84 or UL 723.
  3. Meets all of the following criteria when tested in accordance with NFPA 286:

    1. 3.1. During the 40 kW exposure, flames shall not spread to the ceiling.
    2. 3.2. Flashover, as defined in NFPA 286, shall not occur.
    3. 3.3. The flame shall not spread to the outer extremity of the sample on any wall or ceiling.
    4. 3.4. The peak heat release rate throughout the test shall not exceed 800 kW.

Exception: The fire propagation performance and flame spread index requirements shall not apply to awnings installed on detached one- and two-family dwellings.

Marquees shall comply with Sections 3106.2 through 3106.5 and other applicable sections of this code.
The height or thickness of a marquee measured vertically from its lowest to its highest point shall be not greater than 3 feet (914 mm) where the marquee projects more than two-thirds of the distance from the lot line to the curb line, and shall be not greater than 9 feet (2743 mm) where the marquee is less than two-thirds of the distance from the lot line to the curb line.
Where the roof or any part thereof is a skylight, the skylight shall comply with the requirements of Chapter 24. Every roof and skylight of a marquee shall be sloped to downspouts that shall conduct any drainage from the marquee in such a manner so as not to spill over the sidewalk.
Every marquee shall be so located as not to interfere with the operation of any exterior standpipe, and such that the marquee does not obstruct the clear passage of stairways or exit discharge from the building or the installation or maintenance of street lighting.
A marquee shall be supported entirely from the building and constructed of noncombustible materials. Marquees shall be designed as required in Chapter 16. Structural members shall be protected to prevent deterioration.
Signs shall be designed, constructed and maintained in accordance with this code.
Towers shall be designed and constructed in accordance with the provisions of TIA-222. Towers shall be designed for seismic loads; exceptions related to seismic design listed in Section 2.7.3 of TIA-222 shall not apply. In Section 2.6.6.2 of TIA 222, the horizontal extent of Topographic Category 2, escarpments, shall be 16 times the height of the escarpment.
Exception: Single free-standing poles used to support antennas not greater than 75 feet (22 860 mm), measured from the top of the pole to grade, shall not be required to be noncombustible.
Towers shall be located such that guy wires and other accessories shall not cross or encroach on any street or other public space, or over above-ground electric utility lines, or encroach on any privately owned property without the written consent of the owner of the encroached-upon property, space or above-ground electric utility lines. Towers shall be equipped with climbing and working facilities in compliance with TIA-222. Access to the tower sites shall be limited as required by applicable OSHA, FCC and EPA regulations.

Section 3109 Swimming Pools, Spas and Hot Tubs

AMENDMENT
This section has been amended at the state or city level.
Deleted.

3109.1 General

AMENDMENT
This section has been amended at the state or city level.
Automatic vehicular gates shall comply with the requirements of Sections 3110.2 and 3110.3 and other applicable sections of this code.
Vehicular gates intended for automation shall be designed, constructed and installed to comply with the requirements of ASTM F2200.
Vehicular gate openers, where provided, shall be listed in accordance with UL 325.

3111.1 General

AMENDMENT
This section has been amended at the state or city level.
Solar energy systems shall comply with the requirements of this section.
Exception: Buildings regulated by Minnesota Rules, chapter 1309, the Minnesota Residential Code.
Rooftop-mounted photovoltaic panels and modules and solar thermal collectors shall be designed in accordance with Section 1609.
Roof structures that provide support for solar energy systems shall be designed in accordance with Section 1607.13.5.

3111.1.3 Roof Access Points

AMENDMENT
This section has been amended at the state or city level.

Roof access points shall meet all the following criteria:

  1. Roof access points shall be located where fire departments have ground access.
  2. Roof access points shall be located in areas that do not require the placement of fire department ground ladders over openings such as windows or doors.
  3. Roof access points shall be located at strong points of building construction capable of supporting emergency responders.
  4. Roof access points shall be in locations where the access point does not conflict with overhead obstructions such as tree limbs, wires, or signs.
  5. Each roof access point shall be provided with a landing on the roof side not less than 6 feet (1829 mm) in each direction. The landing shall be free and clear of obstructions such as vent pipes, conduit, and mechanical and electrical equipment.
  6. Roof access point landings on roofs with slopes greater than two units vertical in 12 units horizontal (2:12) shall be positioned with direct access to a pathway to ridge.
  7. Each solar array or grouping of arrays shall have not less than two roof access points spaced not closer than one-third the diagonal dimension of the array or arrays served.

3111.1.4

AMENDMENT
This section has been amended at the state or city level.
When solar photovoltaic panels are installed on any building or site, the licensed design professional shall notify the fire code official.
Solar thermal systems shall be designed and installed in accordance with Section 2606.12, the International Plumbing Code, the International Mechanical Code and the International Fire Code.
Solar thermal systems and components shall be listed and labeled in accordance with ICC 900/SRCC 300 and ICC 901/SRCC 100.

3111.3 Photovoltaic Solar Energy Systems

AMENDMENT
This section has been amended at the state or city level.
Solar photovoltaic energy systems shall be designed and installed in accordance with this section, the Minnesota State Fire Code, the Minnesota Electrical Code, and the manufacturer's installation instructions.
Exception: Solar photovoltaic power systems installed on detached, nonhabitable Group U structures including parking shade structures, carports, solar trellises, and similar structures need only comply with the Minnesota Fire Code, the Minnesota Electrical Code, and the manufacturer's instructions.
Photovoltaic panels and modules shall be listed and labeled in accordance with UL 1703. Inverters shall be listed and labeled in accordance with UL 1741. Systems connected to the utility grid shall use inverters listed for utility interaction.
Rooftop-mounted photovoltaic systems shall have a fire classification in accordance with Section 1505.9. Building-integrated photovoltaic systems shall have a fire classification in accordance with Section 1505.8.
Building-integrated photovoltaic systems that serve as roof coverings shall be designed and installed in accordance with Section 1507.18.

3111.3.4 Access and Pathways

AMENDMENT
This section has been amended at the state or city level.
Roof access, pathways, and spacing requirements shall be provided in accordance with Sections 3111.3.4.1 through 3111.3.4.2.3. Pathways shall be over areas capable of supporting fire fighters accessing the roof. Pathways shall be located in areas without obstructions such as vent pipes, conduit, and mechanical and electrical equipment.
Exceptions:
  1. Detached, nonhabitable Group U structures including but not limited to detached garages serving Group R-3 buildings, parking shade structures, carports, solar trellises, and similar structures.
  2. Roof access, pathways, and spacing requirements need not be provided where the fire code official has determined that rooftop operations will not be employed.
Solar photovoltaic systems for buildings with roof slopes greater than two units vertical in 12 units horizontal (2:12) shall comply with Sections 3111.3.4.1.1 through 3111.3.4.1.3.

3111.3.4.1.1 Pathways to Ridge

AMENDMENT
This section has been amended at the state or city level.
Not fewer than two 36-inch-wide (914 mm) pathways on separate roof planes, from the lowest roof edge to ridge, shall be provided on all buildings. Pathways shall be provided at intervals not greater than 150 feet (45 720 mm) throughout the length and width of the roof. Not fewer than one pathway shall be provided on the street or driveway side, or fire-department-access side of the roof. For each roof plane with a photovoltaic array, not fewer than one 36-inch-wide (914 mm) pathway from lowest roof edge to ridge shall be provided on the same roof plane as the photovoltaic array, on an adjacent roof plane, or straddling the same and adjacent roof planes.

3111.3.4.1.2 Setbacks at Ridge

AMENDMENT
This section has been amended at the state or city level.
For photovoltaic arrays occupying 33 percent or less of the plan view total roof area, a setback of not less than 18 inches (457 mm) wide is required on both sides of a horizontal ridge. For photovoltaic arrays occupying more than 33 percent of the plan view total roof area, a setback of not less than 36 inches (914 mm) wide is required on both sides of a horizontal ridge.

3111.3.4.1.3 Alternative Setbacks at Ridge

AMENDMENT
This section has been amended at the state or city level.

Where an automatic sprinkler system is installed within the building, setbacks at the ridge shall conform to one of the following criteria:

  1. For photovoltaic arrays occupying 66 percent or less of the plan view total roof area, a setback of not less than 18 inches (457 mm) wide is required on both sides of a horizontal ridge.
  2. For photovoltaic arrays occupying more than 66 percent of the plan view total roof area, a setback of not less than 36 inches (914 mm) wide is required on both sides of a horizontal ridge.

3111.3.4.1.4 Emergency Escape and Rescue Openings

AMENDMENT
This section has been amended at the state or city level.
Panels and modules installed on Group R buildings shall not be placed on the portion of a roof that is below an emergency escape and rescue opening. A pathway of not less than 36 inches (914 mm) wide shall be provided from the roof edge to the emergency escape and rescue opening.
Access to systems for buildings with roofs with slopes of two units vertical in 12 units horizontal (2:12) or less, shall be provided in accordance with Sections 3111.3.4.2.1 through 3111.3.4.2.3.

3111.3.4.2.1 Perimeter Pathways

AMENDMENT
This section has been amended at the state or city level.
There shall be a minimum 6-foot-wide (1829 mm) clear perimeter around the edges of the roof.
Exception: Where either axis of the building is 250 feet (76,200 mm) or less, the clear perimeter around the edges of the roof shall be permitted to be reduced to a minimum width of 4 feet (1219 mm).

3111.3.4.2.2 Interior Pathways

AMENDMENT
This section has been amended at the state or city level.

Interior pathways shall be provided between array sections to meet the following requirements:

  1. Pathways shall be provided at intervals not greater than 150 feet (45,720 mm) throughout the length and width of the roof.
  2. A pathway of not less than 4 feet (1219 mm) wide in a straight line to roof standpipes or ventilation hatches.
  3. A pathway not less than 4 feet (1219 mm) wide around roof access hatches, with not fewer than one such pathway to a parapet or roof edge.
  4. A pathway not less than 4 feet (1219 mm) wide from the perimeter pathway to an emergency escape and rescue opening located above the roof.

3111.3.4.2.3 Smoke Ventilation

AMENDMENT
This section has been amended at the state or city level.
The solar installation shall be designed to meet the following requirements:
  1. Where non-gravity-operated smoke and heat vents occur, a pathway not less than 4 feet (1219 mm) wide shall be provided bordering all sides.
  2. Smoke ventilation options between array sections shall be one of the following:
    1. A pathway not less than 8 feet (2438 mm) wide.
    2. Where gravity-operated dropout smoke and heat vents occur, a pathway not less than 4 feet (1219 mm) wide on at least one side.
    3. A pathway not less than 4 feet (1219 mm) wide bordering 4-foot by 8-foot (1219 mm by 2438 mm) venting cutouts every 20 feet (6096 mm) on alternating sides of the pathway.

3111.3.5 Ground-Mounted Photovoltaic Systems

AMENDMENT
This section has been amended at the state or city level.
Ground-mounted photovoltaic panel systems shall comply with this section and Section 3111.1. Setback requirements shall not apply to ground-mounted, free-standing photovoltaic arrays. A clear, brush-free area of 10 feet (3048 mm) shall be required for ground-mounted photovoltaic arrays.
Ground-mounted photovoltaic systems shall be subject to the fire separation distance requirements determined by the local jurisdiction.

3111.3.6 Buildings With Rapid Shutdown

AMENDMENT
This section has been amended at the state or city level.
Buildings with rapid-shutdown solar photovoltaic systems shall have permanent labels in accordance with Sections 3111.3.6.1 through 3111.3.6.3.

3111.3.6.1 Rapid-Shutdown Type

AMENDMENT
This section has been amended at the state or city level.
The type of solar photovoltaic system rapid shutdown shall be labeled with one of the following:
  1. For solar photovoltaic systems that shut down the array and the conductors leaving the array, a label shall be provided. The first two lines of the label shall be uppercase characters with a minimum height of 3/8 inch (10 mm) in black on a yellow background. The remaining characters shall be uppercase with a minimum height of 3/16 inch (5 mm) in black on a white background. The label shall be in accordance with Figure 3111.3.6.1(1) and state the following:

    SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN. TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN ARRAY.
  2. For photovoltaic systems that only shut down conductors leaving the array, a label shall be provided. The first two lines of the label shall be uppercase characters with a minimum height of 3/8 inch (10 mm) in white on a red background. The remaining characters shall be capitalized with a minimum height of 3/16 inch (5 mm) in black on a white background. The label shall be in accordance with Figure 3111.3.6.1(2) and state the following:

    THIS SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN. TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN CONDUCTORS OUTSIDE THE ARRAY. CONDUCTORS WITHIN ARRAY REMAIN ENERGIZED IN SUNLIGHT.
FIGURE 3111.3.6.1(1)
LABEL FOR SOLAR PV SYSTEMS THAT REDUCE SHOCK HAZARD WITHIN ARRAY AND SHUT DOWN CONDUCTORS LEAVING THE ARRAY


FIGURE 3111.3.6.1(2)
LABEL FOR SOLAR PV SYSTEMS THAT ONLY SHUT DOWN CONDUCTORS LEAVING THE ARRAY

3111.3.6.1.1 Diagram

AMENDMENT
This section has been amended at the state or city level.
The labels in Section 3111.3.6.1 shall include a simple diagram of a building with a roof. Diagram sections in red signify sections of the solar photovoltaic system that are not shut down when the rapid shutdown switch is turned off.

3111.3.6.1.2 Location

AMENDMENT
This section has been amended at the state or city level.
The rapid shutdown label in Section 3111.3.6.1 shall be located not greater than 3 feet (914 mm) from the service disconnecting means to which the photovoltaic systems are connected, and shall indicate the location of all identified rapid shutdown switches if not at the same location.

3111.3.6.2 Buildings With More Than One Rapid Shutdown Type

AMENDMENT
This section has been amended at the state or city level.
Solar photovoltaic systems that contain rapid shutdown in accordance with Section 3111.3.6.1, items 1 and 2, or solar photovoltaic systems where only portions of the systems on the building contain rapid shutdown, shall provide a detailed plan view diagram of the roof showing each different photovoltaic system and a dotted line around areas that remain energized after the rapid shutdown switch is operated.

3111.3.6.3 Rapid Shutdown Switch

AMENDMENT
This section has been amended at the state or city level.
A rapid shutdown switch shall have a label located not greater than 3 feet (914 mm) from the switch that states the following:

RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM
The provisions of this section shall apply to greenhouses that are designed and used for the cultivation, maintenance, or protection of plants.
Greenhouses shall be accessible in accordance with Chapter 11.
Greenhouses shall comply with the structural design requirements for greenhouses in Chapter 16.
Glass and glazing used in greenhouses shall comply with Section 2405.
Light-transmitting plastics shall be permitted in lieu of plain glass in greenhouses and shall comply with Section 2606.
Greenhouses that are membrane structures shall comply with Section 3102.
Plastic films used in greenhouses shall comply with Section 3102.3.

3113.1 General Relocatable Buildings

AMENDMENT
This section has been amended at the state or city level.
Relocatable buildings shall comply with Minnesota Rules, Chapter 1361.

3113.1.1 Compliance

AMENDMENT
This section has been amended at the state or city level.
Deleted.

3113.2 Supplemental Information

AMENDMENT
This section has been amended at the state or city level.
Deleted.

3113.3 Manufacturer's Data Plate

AMENDMENT
This section has been amended at the state or city level.
Deleted.

3113.4 Inspection Agencies

AMENDMENT
This section has been amended at the state or city level.
Deleted.

Section 3114 Window Cleaning Anchors

AMENDMENT
This section has been amended at the state or city level.

3114.1 Window Cleaning Anchors

AMENDMENT
This section has been amended at the state or city level.

Building anchors for window cleaning safety shall be provided for buildings four or more stories above grade plane. Building anchors for window cleaning safety shall be designed, installed, and located in accordance with the design criteria of ANSI/IWCA I-14.1-2001.

Exceptions:
  1. Buildings without windows.
  2. Existing buildings undergoing reconstruction, alteration, or repair that does not include the exposure of primary structural roof components.
  3. In accordance with Minnesota Statutes, section 326B.106, subdivision 4, paragraph (m), the commissioner of the Minnesota Department of Labor and Industry may waive all or a portion of the requirements for existing buildings if the installation of the dedicated anchorages would not result in significant safety improvements due to limits on the size of the project, or other factors as determined by the commissioner.
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