Oklahoma Administrative Code › Title 748 - Oklahoma Uniform Building Code Commission › Chapter 20 - Adopted Codes › Subchapter 14 - IMC[®] 2018 › Section 748:20-14-8 - IMC[®] 2018 Chapter 3 General Regulations

Current through Vol. 41, No. 20, July 1, 2024
Chapter 3 of the Oklahoma adopted IMC® 2018 is adopted
				  with the following modifications:
(1)
				Section 301.15 Wind resistance. This section has been modified to allow design
				and installation of equipment and appliances that are exposed to wind to be
				built in accordance with SMACNA HVAC Duct Construction Standards - Metal and
				Flexible and other approved methods. This section has been modified to read:
				301.15 Wind resistance. Mechanical equipment, appliances and supports that are
				exposed to wind shall be designed and installed to resist the wind pressures
				determined in accordance with the International Building Code®, SMACNA HVAC
				Duct Construction Standards - Metal and Flexible, and other approved methods.
(2) Section [BE] 304.11 Guards.
				This section has been modified to clarify the circumstances under which guards
				shall be provided around components and to modify the exception to require the
				authority having jurisdiction approve the use of a fall/restraint system
				instead of guards. This section has been modified to read: [BE] 304.11 Guards.
				Guards shall be provided where various components that require service located
				on a roof or elevated structure and have a condition as set forth in Sections
				304.11.1 through 304.11.3. The top of the guard shall be located not less than
				42 inches (1067 mm) above the elevated surface adjacent to the guard. The guard
				shall be constructed so as to prevent the passage of a 21- inch diameter (533
				mm) sphere and shall comply with the loading requirements for guards as
				specified in the International Building Code®. Guards shall be provided at
				new components when added or replaced on an existing roof or elevated structure
				and have a condition as set forth in Sections 304.11.1 through 304.11.3.
				Exception: When approved by the authority having jurisdiction, guards are not
				required where permanent fall arrest/restraint anchorage connector devices that
				comply with ANSI/ASSE Z 359.1 are affixed for use during the entire roof
				covering lifetime. The devices shall be reevaluated for possible replacement
				when the entire roof covering is replaced. The devices shall be placed not more
				than 10 feet (3048 mm) on center along hip and ridge lines and placed not less
				than 10 feet (3048 mm) from roof edges and the open sides of walking surfaces.
(3) Section 304.11.1 Roof edge.
				This section has been added to clarify the circumstances required to exist for
				the installation of guards at the roof edge when the components needed service
				are within a specific distance of the roof edge. This section has been added to
				read: 304.11.1 Roof edge. Guards complying with 304.11 shall be provided when
				components are located within 10 feet (3048 mm) of a roof edge or open side of
				a walking surface or elevated structure and such edge or open side is located
				more than 30 inches (762 mm) above the floor, roof, or grade below. The guard
				shall extend not less than 30 inches (762 mm) beyond each end of the component
				that requires service.
(4) Section
				304.11.2 Skylights. This section has been added to clarify the circumstances
				for the installation of guards around components near skylights and to provide
				exceptions to the requirement. This section has been added to read: 304.11.2
				Skylights. Guards complying with Section 304.11 shall be provided when a
				skylight is within 10 feet (3048 mm) of the component that requires service.
				The guard shall extend 30 inches (762 mm) beyond the edge of the skylight.
				Exceptions:
(A) Guards are not required when
				the skylight is located at least 42 inches (1067 mm) above the highest point of
				the walking surface adjacent to the skylight or component.
(B) Guards are not required if some other
				provision for skylight fall-through protection is provided and approved by the
				authority having jurisdiction.