Oklahoma Administrative Code
Title 748 - Oklahoma Uniform Building Code Commission
Chapter 20 - Adopted Codes
Subchapter 12 - IFGC[®] 2018
Section 748:20-12-9 - IFGC[®] 2018 Chapter 4 Gas Piping Installations

Universal Citation: OK Admin Code 748:20-12-9

Current through Vol. 42, No. 1, September 16, 2024

Chapter 4 of the Oklahoma adopted IFGC® 2018 is adopted with the following modifications:

(1) Section 404.12 Minimum burial depth. This section has been modified to change the minimum burial depth from 12 inches (305 mm) to 18 inches (457 mm) and to allow for an exception when there is no ability to meet that minimum depth. This section has been modified to read: 404.12 Minimum burial depth. Underground piping systems shall be installed a minimum depth of 18 inches (457 mm) below grade, except as provided for in Section 404.12.1. Exception: Where a minimum depth of cover cannot be provided, the pipe shall be installed in conduit or bridged (shielded).

(2) Section 412.5 Attendants. This section has been modified to provide an exception to the requirement of an attendant when the dispensing equipment meets the guidelines of NFPA® 58 for a "Low emission transfer." This section has been modified to read: 412.5 Attendants. Motor fuel-dispensing operations shall be conducted by qualified attendants or in accordance with Section 412.9 by persons trained in the proper handling of LP-gas. Exception: When the dispensing equipment meets the guidelines of NFPA® 58 for "Low emission transfer" an attendant is not required.

(3) Section 412.6.1 Low emission transfer. This section has been added to clarify when the dispensing equipment meets the guidelines of NFPA® 58, Section 6.30.5 for "Low emission transfer" then the transfer distance shall be reduced by one-half. This section has been modified to read: 412.6.1 Low emission transfer. When the dispensing equipment is installed in accordance with Section 6.30.5 of NFPA® 58 for "Low emission transfer," the transfer distance requirements in Table 6.7.2.1 and Section 6.27.4.3 of NFPA® 58 shall be reduced by one-half.

(4) Section 412.9 Public fueling of motor vehicles. This section has been modified to provide an exception to the owner's requirement to train users when the dispensing equipment meets the guidelines of NFPA® 58 for a "Low emission transfer." This section has been modified to read: 412.9 Public fueling of motor vehicles.

(A) Self-service LP-gas dispensing systems, including key, code and card lock dispensing systems, shall be limited to the filling of permanently mounted containers providing fuel to the LP-gas-powered vehicle.

(B) The requirements for self-service LP-gas dispensing systems shall be in accordance with the following:
(i) The arrangement and operation of the transfer of product into a vehicle shall be in accordance with this section and Chapter 61 of the International Fire Code®.

(ii) The system shall be provided with an emergency shut-off switch located within 100 feet (30 480 mm) of, but not less than 20 feet (6096 mm) from dispensers.

(iii) The owner of the LP-gas motor fuel-dispensing facility or the owner's designee shall provide for the safe operation of the system and the training of users. Exception: If the LP-gas motor fuel-dispensing facility meets the requirements of a low emission transfer station per NFPA® 58, then training of the users is not the responsibility of the facility.

(iv) The dispenser and hose-end valve shall release not more than 4 cubic centimeters of liquid to the atmosphere upon breaking the connection with the fill valve on the vehicle.

(v) Fire extinguishers shall be provided in accordance with Section 2305.5 of the International Fire Code®.

(vi) Warning signs shall be provided in accordance with Section 2305.6 of the International Fire Code®.

(vii) The area around the dispenser shall be maintained in accordance with Section 2305.7 of the International Fire Code®.

(5) Section 413.3.2 Warning signs. This section has been added to require warning signs be posted on Compressed Natural Gas (CNG) dispensing devices. This section has been added to read: 413.3.2 Warning signs. Warning signs complying with Section 310 of the International Fire Code® shall be posted as follows:

(A) Warning sign(s) shall be conspicuously posted within sight of each dispenser in the fuel dispensing area and shall state the following:
(i) No smoking

(ii) Shut off motor

(iii) Flammable Gas

(iv) Natural gas vehicle fuel cylinders shall be inspected at intervals not exceeding 3 years or 36,000 miles to ensure safe operation of the vehicle

(v) Natural gas fuel cylinders past their end-of-life date shall not be refueled and shall be removed from service.

(B) A warning sign with the words "NO SMOKING, FLAMMABLE GAS" shall be posted in all compressor and storage areas.

(C) The lettering on the sign shall be legible and large enough to be visible from each point of transfer.

(D) The service pressure of each dispenser shall be posted in view of the operator.

(6) Section 413.5 Private fueling of motor vehicles. This section has been modified to allow for the industry practice of utilizing CNG trailers that are not permanently attached to CNG powered vehicles and delete the requirement for the owner to ensure the user of a CNG powered vehicle be properly trained on the vehicle's filling procedures. This section has been modified to read: 413.5 Private fueling of motor vehicles.

(A) Self-service CNG-dispensing systems, including key, code and card lock dispensing systems, shall be limited to the filling of approved, permanently mounted fuel containers.

(B) In addition to the requirements in the International Fire Code, the owner of a self- service CNG- dispensing facility shall ensure the safe operation of the system.

(7) Section 413.8 Emergency shutdown devices. This section has been modified to change the word "control" to "devices" in the section heading, clarify the requirements of the emergency shutdown device and provide an exception to those requirements for time-fill applications. This section has been modified to read: 413.8 Emergency shutdown devices. A remote and local emergency manual shutdown device shall be provided. Upon activation, the emergency shutdown system shall automatically close valves between the main gas supply and the compressor and between the storage containers and dispensers, and automatically shut off the power supply to the compressor and the following associated devices: dispensing enclosures; remote pumps; power, control, and signal circuits; and electrical equipment in the hazardous (classified) locations surrounding the fuel dispensing enclosures. All labeled emergency shutdown devices shall be interconnected, whether required or not. Resetting from an emergency shutoff condition shall require manual intervention and the manner of resetting shall be approved by the Authority Having Jurisdiction. Exception: In time-fill applications, in lieu of a defined remote and local emergency manual shutdown device, an emergency manual shutdown device shall be provided within 50 feet (15 240 mm) of each fixed point of dispensing hose attachment and located inside and outside the compressor area within 10 feet (3048 mm) of the main access to the compressor area.

(8) Section 413.8.1 Remote emergency shutdown device. This section has been added to clarify the distance requirements for remote emergency shutdown device placement and provide an exception to the maximum distance required when located within line of sight of the dispensing enclosures and approved by the Authority Having Jurisdiction. This section has been added to read: 413.8.1 Remote emergency shutdown device. A remote emergency manual shutdown device shall be located within 100 feet (30 480 mm) of, but not less than 20 feet (6096 mm) from all dispensing enclosures and shall be provided inside and outside the compressor area within 10 feet (3048 mm) of the main access to the compressor area. Exception: A remote emergency manual shutdown device may be located greater than 100 feet (30 480 mm) from one or more dispensing enclosures when within line of sight of the dispensing enclosures and approved by the Authority Having Jurisdiction.

(9) Section 413.8.2 Local emergency shutdown device. This section has been added to require a local emergency shutdown device be provided within 15 feet (4572 mm) of each dispensing enclosure. This section has been added to read: 413.8.2 Local emergency shutdown device. A local emergency manual shutdown device shall be located within 15 feet (4572 mm) of each dispensing enclosure.

Disclaimer: These regulations may not be the most recent version. Oklahoma may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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