Okla. Admin. Code § 748:20-4-58
Current through Vol. 42, No. 3, October 15, 2024
Section 748:20-4-58 - IFC[®] 2018 Chapter 53 Compressed GasesChapter 53 of the Oklahoma adopted IFC® 2018 is adopted with the following modifications:
(1) Section 5301.1 Scope has been modified to correct errata published by the ICC. The errata modifies the first exception to change a section reference from Section "606" to "605." This section has been modified to read: 5301.1 Scope. Storage, use and handling of compressed gasses in compressed gas containers, cylinders, tanks, and systems shall comply with this chapter and NFPA® 55, including those gases regulated elsewhere in this code. Partially full compressed gas containers, cylinders or tanks containing residual gases shall be considered as full for the purposes of the controls required.(2) Liquefied natural gas for use as a vehicular fuel shall also comply with NFPA® 52 and NFPA® 59A. (3) Compressed gases classified as hazardous materials shall also comply with Chapter 50 for general requirements and chapters addressing specific hazards, including Chapters 58 (Flammable Gases), 60 (Highly Toxic and Toxic Materials), 63 (Oxidizers, Oxidizing Gases and Oxidizing Cryogenic Fluids) and 64 (Pyrophoric Materials).(4) Compressed hydrogen (CH2) shall also comply with the applicable portions of Chapters 23 and 58 of this code, the International Fuel Gas Code® and NFPA® 2.(5) Cutting and welding gases shall also comply with Chapter 35.(6) Exceptions: (A) Gases used as refrigerants in refrigeration systems (see Section 605).(B) Compressed natural gas (CNG) for use as a vehicular fuel shall comply with Chapter 23, NFPA® 52 and the International Fuel Gas Code®.(C) Cryogenic fluids shall comply with Chapter 55.(D) LP-gas shall comply with Chapter 61 and the International Fuel Gas Code®.(7) Section 5302.1 Definitions. This section has been modified to clarify the definition for a "CARBON DIOXIDE ENRICHMENT SYSTEM" has been added to the list of definitions defined in Chapter 2. This section has been modified to read: 5302.1 Definitions. The following terms are defined in Chapter 2: (A) CARBON DIOXIDE ENRICHMENT SYSTEM.(C) COMPRESSED GAS CONTAINER. (D) COMPRESSED GAS SYSTEM. (8) Section 5306.2.2 One-hour interior room. This section has been modified to correct errata published by the ICC. The modification requires in rooms where an exterior wall cannot be provided, a 1-hour interior room to be provided and requires the room to be a room or enclosure separated from the remainder of the building by fire barriers constructed in accordance with section 707 of the International Building Code® or horizontal assemblies constructed in accordance with Section 711 of the International Building Code® or both, with a fire-resistance rating of to less than 1 hour. This section has been modified to read: 5306.2.3 One-hour interior room. Where an exterior wall cannot be provided for the room, a 1-hour interior room shall be provided and shall be a room or enclosure separated from the remainder of the building by fire barriers constructed in accordance with Section 707 of the International Building Code® or horizontal assemblies constructed in accordance with Section 711 of the International Building Code®, or both, with a fire-resistance rating of not less than 1 hour. Openings between the room or enclosure and interior spaces shall be self- closing, smoke- and draft-control assemblies having a fire protection rating of not less than 1-hour. An automatic sprinkler system shall be installed within the room. The room shall be exhausted through a duct to the exterior. Supply and exhaust ducts shall be enclosed in a 1-hour rated shaft enclosure from the room to the exterior. Approved mechanical ventilation shall comply with the International Mechanical Code® and be provided at a minimum rate of 1 cfm per square foot [0.00508 cubic meters divided by (s times square meters)] of the area of the room.Okla. Admin. Code § 748:20-4-58
Adopted by Oklahoma Register, Volume 37, Issue 24, September 1, 2020, eff. 8/3/2020Adopted by Oklahoma Register, Volume 38, Issue 24, September 1, 2021, eff. 9/14/2021