This Code applies to the facilities, technology and inspection of fuel devices for vehicles of which fuel is compressed natural gas (hereinafter referred to as “vehicles”) among vehicles of which fuel is natural gas in conformity to the Enforcement Regulation of the Urban Gas Business Act, Article 20-2, Clause 1, No.3.
Table of Contents
1. General
1.1 Scope
1.2 Validity of Code
1.3 Definitions
1.4 Application of Codes (currently not used)
1.5 Interim Measures (currently not used)
1.6 Restriction on Use of Appliances
2. Installation Standard
2.1 Layout Standard (currently not used)
2.2 Foundation Standard (not applicable)
2.3 Storage Facility Standard
2.3.1 Materials of storage facilities (currently not used)
2.3.2 Construction of storage facilities (currently not used)
2.3.3 Installation of storage facilities
2.4 Gas Facility Standard
2.4.1 Materials of gas facilities (currently not used)
2.4.2 Construction of gas facilities (currently not used)
2.4.3 Thickness and strength of gas facilities (currently not used)
2.4.4 Installation of gas facilities
2.4.5 Performance of gas facilities
2.5 Piping Standard
2.5.1 Piping materials
2.5.2 Configuration of piping (currently not used)
2.5.3 Thickness and strength of piping (currently not used)
2.5.4 Jointing of piping
2.5.5 Expansion or contraction absorption measures for piping systems (currently not used) 8
2.5.6 Insulation measures for piping (currently not used)
2.5.7 Installation of piping
2.5.8 Installation of associated piping facilities (currently not used)
2.5.9 Performance of piping facilities
2.6 Governor Standard (not applicable)
2.7 Combustor Standard (not applicable)
2.8 Accident Prevention Standard
2.8.1 Installation of overpressure safety device
2.8.2 Installation of gas leak alarm system and automatic shutoff device (currently not used) 11
2.8.3 Installation of emergency shutoff devices (currently not used)
2.8.4 Installation of backflow prevention device
2.8.5 Installation of backfire prevention device (currently not used)
2.8.6 Hazard monitoring and control system (currently not used)
2.8.7 Installation of accidental start prevention device (currently not used)
2.8.8 Installation of explosion-proof electrical facilities (currently not used) 11
2.8.9 Installation of ventilation systems (currently not used)
2.8.10 Installation of corrosion prevention system (currently not used)
2.8.11 Installation of static eliminators (currently not used)
2.8.12 Installation of toppling prevention devices (currently not used)
2.8.13 Installation of excess flow valves
2.9 Damage Control Facility Standard (currently not used)
2.10 Associated Facilities Standard
2.10.1 Installation of measuring facilities
2.10.2 Installation of emergency power systems (currently not used)
2.10.3 Installation of communication systems (currently not used)
2.10.4 Installation of operation installations (currently not used)
2.10.5 Cylinder fixation devices
2.11 Marking Standard
3. Technical Standard (currently not used)
4. Inspection Standard
4.1 Inspection Items
4.2 Inspection Methods
4.2.1 Attachment states of cylinders, piping, etc.
4.2.2 Gas tightness test of piping, etc.
4.2.3 Gas tightness test of passenger cabin
Appendix A. Disposal Method of Rejected Cylinders
