T/JMTX 015-2020 Road transportation safety regulations for maintenance and inspection of tank vehicles transporting dangerous goods by liquid transportation
T/JMTX 015-2020 Road transportation safety regulations for maintenance and inspection of tank vehicles transporting dangerous goods by liquid transportation
Basic Information
Scope
Scope: This standard specifies the requirements and specific content for the maintenance and repair of safety accessories for road transport of liquid dangerous goods tank vehicles. This standard applies to safety accessories that meet the following conditions: a) Safety valves that comply with GB/T 12241-2005; b) Explosion-proof discs that comply with GB 567.1-2012; c) Breathing valves installed on road transport tank vehicles used to transport Category III flammable liquids (with a steam pressure of no more than 110 kPa (absolute pressure) at 50°C) as specified in GB 6944, excluding liquid desensitized explosives or vehicles transporting toxic or corrosive substances; d) Emergency relief devices, emergency shut-off devices, vacuum pressure relief valves, and electrostatic discharge devices that comply with GB 18564.1-2019. Main technical content: 4. Requirements for the maintenance and repair of safety accessories 4.1 Basic requirements Regularly inspect and maintain safety accessories within a specified timeframe: - Second and fourth quarters: inspect twice monthly (to prevent freezing); - Other quarters: inspect once monthly. At least an annual maintenance and repair should be conducted, and relevant records should be kept to ensure the normal operation of safety accessories. Personnel engaged in maintenance and repair on-site must undergo professional training in safety accessories maintenance and repair before performing work. Maintenance and repair content is detailed in Appendix A. 4.2 Maintenance and repair units A maintenance and repair unit refers to an organization engaged in the maintenance and repair of road transport liquid dangerous goods tank vehicles. This includes self-maintaining units and qualified maintenance and repair units. Self-maintaining units must meet the following conditions: a) Have full-time or part-time managers for road transport liquid dangerous goods tank vehicles; units with more than 5 tank vehicle