1. General
1.1 Scope
1.2 Validity of Code
1.3 Definitions
1.4 Application of Standards Mutatis Mutandis (currently not used)
1.5 Transitional Measures
1.6 Restrictions on Use of Supplies
1.7 Pipe Pressure Limit
1.8 Restrictions on the Installation of Polyethylene Pipes for Gas
2. Facility Standard
2.1 Placement Criteria (currently not used)
2.2 Basic Standard (not applicable)
2.3 Standards for Storage Facilities (not applicable)
2.4 Gas Facility Standard
2.4.1 Gas equipment materials (currently not used)
2.4.2 Gas facility structure (currently not used)
2.4.3 Gas facility thickness and strength (currently not used)
2.4.4 Gas facility installation
2.5 Plumbing Equipment Standard
2.5.1 Drawing up of piping equipment
2.5.2 Plumbing equipment material
2.5.3 Piping equipment structure
2.5.4 Pipeline equipment thickness
2.5.5 Plumbing equipment joining
2.5.6 Measures for new absorption of piping facilities
2.5.7 Insulation measures for piping equipment
2.5.8 Plumbing installation
2.5.9 Plumbing equipment performance
2.6 Standards for Governor (chamber) (currently not used)
2.7 Standards for accident prevention facilities
2.7.1 Installation of overpressure safety device (currently not used)
2.7.2 Gas leak alarm and automatic shut-off device installation
2.7.3 Electrical explosion-proof equipment installation (currently not used)
2.7.4 Ventilation facility installation (currently not used)
2.7.5 Hazard monitoring and control device installation (currently not used)
2.7.6 Corrosion Prevention Measures
2.7.7 Measures to prevent damage to piping due to excavation work
2.8 Damage Reduction Facility Standard
2.8.1 Installation of a discharge embankment (currently not used)
2.8.2 Installation of a firewall (currently not used)
2.8.3 Installation of watering device (currently not used)
2.8.4 Installation of detoxification facility (currently not used)
2.8.5 Installation of neutralization and transfer equipment (currently not used)
2.8.6 Installation of an emergency shut-off device
2.8.7 Gas supply shut-off device installation
2.9 Ancillary Equipment Standards
2.9.1 Measurement equipment installation (currently not used)
2.9.2 Emergency power facility installation (currently not used)
2.9.3 Pressure recorder installation (currently not used)
2.9.4 Communication facility installation (currently not used)
2.9.5 Installation of operating facilities (currently not used)
2.9.6 Installation of stable supply facilities (currently not used)
2.9.7 Vent stack installation (currently not used)
2.9.8 Receiver Installation
2.9.9 Valve box installation
2.10 Marking criteria
2.10.1 Landmark
2.10.2 Boundary fence (currently not used)
2.10.3 Plumbing equipment indication
3. Technical Standards
3.1 Safety Maintenance Standards
3.1.1 Basic maintenance (currently not used)
3.1.2 Storage facility maintenance (currently not used)
3.1.3 Gas facility maintenance
3.1.4 Maintenance of piping equipment
3.1.5 Accident prevention facility maintenance (currently not used)
3.1.6 Maintenance of damage reduction facilities (currently not used)
3.1.7 Maintenance of auxiliary equipment
3.1.8 Excavation work maintenance
3.2 Criteria for Transfer and Refill (not applicable)
3.3 Inspection Criteria
3.3.1 Entire facility inspection (currently not used)
3.3.2 Basic check (currently not used)
3.3.3 Storage facility inspection (currently not used)
3.3.4 Gas facility inspection
3.3.5 Inspection of piping facilities (currently not used)
3.3.6 Governor disassembly check (currently not used)
3.3.7 Inspection of accident prevention facilities
3.3.8 Damage reduction facility inspection (currently not used)
3.3.9 Inspection of auxiliary equipment (currently not used)
3.3.10 Excavation construction Inspection
4. Inspection Standards
4.1 Inspection Items
4.1.1 Interim inspection (currently not used)
4.1.2 Construction supervision
4.1.3 Periodic inspection
4.2 Inspection method