GB 20300-2018Safety specifications for road transportation vehicle of explosive substance and chemical toxic substance (English PDF)

4.2.5 Capacity of tank

The capacity of tank vehicle carrying explosive substance shall not exceed 20 m³. The capacity of tank vehicle carrying chemical toxic substance shall not exceed 10 m³.

4.2.6 Protective requirements for tanks and accessories

4.2.6.1 The pipes and fittings on tank and the tank itself shall not exceed the side protection devices and lower rear protective devices of the vehicle. The distance between the outer side of the pipes and fittings on the tank rear seals and the tank rear seals and vertical projection of the inner side of the rear and lower side of the protective device in the direction of the vehicle length shall be greater than or equal to 150 mm.

4.2.6.2 The top of the tank shall be provided with a capsizing protection of sufficient strength, which shall contain a discharge valve capable of discharging the liquid accumulated in the tank. The top points of fittings, valves and other accessories in the tank shall be at least 20 mm below the highest point of the capsizing protection.

4.2.7 Basic requirements of cargo compartment

4.2.7.1 The cargo compartment structure is closed with fire-proof, rain-proof, anti-theft function and certain strength and rigidity. The inside skin of the cargo compartment shall be made of non-ferrous metal or non-metallic material which is not easy to ignite. The space between the outer skin and the inner skin on the wall of the cargo compartment shall be filled with flame-resistant and heat insulation material. Ventilation windows with rain-proof function shall be provided for the side wall or front and rear walls of the cargo compartment.

4.2.7.2 The cargo compartment doors shall be fitted with sealing strips. The sealing strips shall be firm and reliable, rain-proof and dust-proof.

4.2.7.3 The door hinges of the cargo compartment shall be fixed and rotating freely. The latching mechanism shall be safe and reliable.

4.2.7.4 No lighting or electrical wiring shall be installed in the cargo compartment.

4.2.7.5 The cargo compartment shall be equipped with cargo fixing and fastening devices. A certain number of fixed rope hooks shall be arranged on the front wall and side wall of the cargo compartment.

4.2.7.6 The cargo fire alarm shall be equipped in the cargo compartment. The anti-theft alarm shall be set up on the door of the cargo compartment.

4.2.11 Driving recorder

4.2.11.1 The installation of driving recorders for vehicles shall comply with the relevant requirement of 8.6.5 in GB 7258-2012.

4.2.11.2 Driving recorders shall be installed inside the cab where data can be viewed and extracted by the user.

4.2.11.3 The main power source of driving recorder shall be the vehicle power.

All wires shall be properly protected so as to ensure that these wires do not touch the components that may cause insulation damage. They shall be arranged neatly and reliably.

4.2.12 Vehicle terminal of monitor

4.2.12.1 The vehicle shall be fitted with a vehicle terminal of Global Positioning System (GPS) complying with the requirements of JT/T 794.

4.2.12.2 The GPS vehicle terminals shall be installed in the cab or in the appropriate location of the trailer as required.

4.2.12.3 The main power source for the GPS vehicle terminal shall be the vehicle power supply. When the vehicle power supply is not available, it can be supplied by the spare battery pack of the vehicle terminal, which can support normal working for 8 hours. The wire of power supply shall be clearly identified by different colors or marks (marked at equal intervals). The wiring shall be neatly arranged and fixed reliably. The antenna shall be away from other sensitive electronic equipment. The ground wire of the vehicle terminal shall be connected to the chassis of the vehicle.

4.2.13 Other requirements

There shall be space for emergency facilities and appliance to place emergency facilities within the cab.