Oklahoma Administrative Code › Title 748 - Oklahoma Uniform Building Code Commission › Chapter 20 - Adopted Codes › Subchapter 4 - IFC[®] 2015 › Section 748:20-4-44 - IFC[®] 2018 Chapter 39 Processing and Extraction Facilities

Current through Vol. 41, No. 20, July 1, 2024
Chapter 39 of the Oklahoma adopted IFC® has been with the
				  following modifications:
(1) Section
				3903.2 Prohibited occupancies. This section has been modified to clarify the
				section is applicable to both extraction equipment and extraction processes
				utilizing materials classified as physical hazards in accordance with Section
				307 of the International Building Code® and other provisions of this code
				and shall not be located in any building containing a Group A, E, I or R
				occupancy. This section has been modified to read: 3903.2 Prohibited
				occupancies. Extraction equipment and extraction processes utilizing materials
				classified as physical hazards in accordance with Section 307 of the
				International Building Code® and other provisions of this code shall not be
				located in any building containing a Group A, E, I or R occupancy.
(2) Section 3903.3 Location. This section has
				been modified to clarify extraction equipment and extraction processes
				utilizing materials classified as physical hazards in accordance with Section
				307 of the International Building Code® and other provisions of this code
				shall be located in a room dedicated to extraction and prohibits the room from
				being used for any other purpose. The section prohibits the storage of solvents
				in the extraction room. This section has been modified to read: 3903.3
				Location. The extraction equipment and extraction processes utilizing materials
				classified as physical hazards in accordance with Section 307 of the
				International Building Code® and other provisions of this code as solvents
				shall be located in a room dedicated to extraction and the room shall not be
				used for any other purpose. There shall be no storage of solvents in the
				extraction room.
(3) Section 3903.4
				Post-process purification and winterization. This section has been modified to
				clarify post processing and winterization includes heating, cooling or
				pressurizing of the miscella to other than normal pressure or temperature to be
				approved and performed in an appliance listed for such use and requires
				compliance with Sections 3903.4.1 or 3903.4.2. The section prohibits the use of
				domestic or commercial cooking appliances. This section has been modified to
				read: 3903.4 Post-process purification and winterization. Post-processing and
				winterization involving the heating, cooling or pressurizing of the miscella to
				other than normal pressure or temperature shall be approved and performed in an
				appliance listed for such use and shall comply with Sections 3903.4.1 through
				3903.4.3. Domestic or commercial cooking appliances and cooling appliances
				shall not be used.
(4) Section
				3903.4.2 Refrigerators, freezers and other cooling equipment. This section has
				been added to require refrigerators, freezers and other cooling equipment used
				to store or cool flammable liquids to be listed for the storage of flammable
				and/or combustible liquids or shall be listed for Class I Division I locations
				in accordance with NFPA 70®. This section has been added to read: 3903.4.2
				Refrigerators, freezers and other cooling equipment. Refrigerators, freezers
				and other cooling equipment used to store or cool flammable liquids shall be
				listed for the storage of flammable and/or combustible liquids or shall be
				listed for Class I, Division I locations in accordance with NFPA 70®.
(5) Section 3903.4.3.
				Post-processing. This section has been added to require post-processing
				operations, including dispensing of flammable liquids between containers, to be
				performed within a hazardous exhaust fume hood rated for exhausting flammable
				vapors and listed to UL 1805. The section requires the electrical equipment
				utilized within the hazardous exhaust fume hood to be rated for use in
				flammable atmospheres and provides an exception for the exhaust fume hood when
				an approved exhaust system is installed in accordance with NFPA 91®. This
				section has been added to read: 3903.4.3 Post-processing. Post-processing
				operations, including dispensing of flammable liquids between containers, shall
				be performed within a hazardous exhaust fume hood rated for exhausting
				flammable vapors and listed in accordance with UL 1805. Electrical equipment
				used within the hazardous exhaust fume hood shall be rated for use in flammable
				atmospheres. Exception: A hazardous exhaust fume hood is not required where an
				approved exhaust system is installed in accordance with NFPA 91®.
(6) Section 3903.5 Use of
				flammable and combustible liquids. This section has been modified to specify
				the use of flammable and combustible liquids for liquid extraction processes,
				including the dispensing of flammable liquids between containers, where the
				liquid is boiled, distilled, or evaporated, to be located within a hazardous
				exhaust fume hood, rated for exhausting flammable vapors and listed in
				accordance with UL 1805. The section requires all electrical equipment used
				within the hazardous exhaust fume hood to be rated for use in flammable
				atmospheres and prohibits the heating of flammable or combustible liquids over
				an open flame, and provides exceptions when certain conditions are met. This
				section has been modified to read: 3903.5 Use of flammable and combustible
				liquids. The use of flammable and combustible liquids for liquid extraction
				processes, including dispensing of flammable liquids between containers, where
				the liquid is boiled, distilled, or evaporated shall be located within a
				hazardous exhaust fume hood, rated for exhausting flammable vapors and listed
				in accordance with UL 1805. Electrical equipment used within the hazardous
				exhaust fume hood shall be rated for use in flammable atmospheres. Heating of
				flammable or combustible liquids over an open flame is prohibited. Exceptions:
(A) The use of a heating element not rated
				for flammable atmospheres, where documentation from the manufacturer, or
				approved testing laboratory indicates the element is rated for heating of
				flammable liquids.
(B) Unheated
				processes at atmospheric pressure using less than 16 oz. (473 ml) of flammable
				liquids are not required to be located within a hazardous exhaust fume hood.
(C) A hazardous exhaust fume hood
				is not required where an approved exhaust system is installed in accordance
				with NFPA 91®. Electrical equipment used within this room shall be rated
				for use in flammable atmosphere.