Preface
4.1.10, 4.1.12, 4.1.14, 4.1.17, 4.1.18, 4.2.1, 4.2.2, 4.2.6, 4.2.8, 4.2.12, 4.2.19, 4.3a), 4.3b), 4.3c), 4.3f), and 4.3g) of this standard are mandatory, while the rest are recommended.
This standard is drafted in accordance with the rules given in GB/T1.1-2009.
Please note that some content of this standard may involve patents. The publishing body of the standard does not assume the responsibility of identifying these patents.
This standard is proposed by the Safety Production Department of the Ministry of Industry and Information Technology of the People's Republic of China.
This standard is under the jurisdiction of the Technical Committee for Standardization of Civil Explosive Materials of the Ministry of Industry and Information Technology.
This standard was drafted by the Institute of Safety Technology for the Ordnance Industry, Zhengzhou Hongyu Special Purpose Vehicle Co., Ltd., Harbin Jiancheng Machinery Factory, China Ordnance Industry Standardization Research Institute, and China Explosive Equipment Industry Association.
The main drafters of this standard are Bai Chunguang, Dai Lan, Hou Yonghua, Li Jieqing, Wei Xinxi, Wang Dongtang, Li Fuci, Huang Wenwen, Han Yonghong, and Wang Ya.
Technical requirements for safety of civilian explosive transport vehicles
1 Scope
This standard specifies the requirements, test methods, inspection, and other requirements for civilian explosive transport vehicles.
This standard is applicable to civilian explosive material road transport vehicles that have been modified using the approved Class II automotive chassis. Vehicles transporting civilian explosives within production areas and storage areas are not included. Excluding primary explosive transport vehicles.
2 Normative References
The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document.
GB 1589 Dimensions, axle loads, and limit values for road vehicle corridors
GB 4785 Installation Regulations for External Lighting and Light Signaling Devices of Motor Vehicles and Trailers
GB 7258 Technical Conditions for Motor Vehicle Operation Safety
GB 8031 Industrial Electric Detonator
GB 11567.1 Side Protection Requirements for Motor Vehicles and Trailers
GB 11567.2 Requirements for Rear Underbody Protection of Vehicles and Trailers
GB 12435 Industrial RDX
GB/T 12534 General Rules for Road Test Methods of Motor Vehicles
GB 12676 Automotive Brake Systems, Structures, Performance, and Test Methods
GB 13365 Motor Vehicle Exhaust Spark Extinguishers
GB 13392 Road Transport Dangerous Goods Vehicle Markings
GB/T 13594 Anti lock Braking Performance and Test Methods for Motor Vehicles and Trailers
GB/T 18411 Road Vehicle Product Labels
GB 50089 Safety Code for Design of Civil Blasting Equipment Engineering
JB/T 5943 General Technical Conditions for Welding Parts of Construction Machinery
JT 230 Automotive Static Conductive Rubber Trailer
QC/T 453 General Technical Conditions for Box Trucks
QC/T 484 Automotive Paint Layer
WJ 2146 Acceptance Specification for Antistatic Equipment Facilities in the Ordnance Industry
3 Terms and definitions
The following terms and definitions apply to this document
3.1 Civil explosives transport vehicle
3.2 A container for storing detonators with certain resistance to burst, burst, shock wave, and noise.
3.3 Explosives/otonator co loading vehicle for civilian explosives
A special civilian explosive transport vehicle (referred to as a carrier vehicle) equipped with explosion-proof containers and transporting explosives and detonators simultaneously.
3.4 Conductive rubber wearing strip
A conductor made of electrostatically conductive rubber sheets for automotive electrostatic grounding.
3.5 Exhaust spark arrester
A device that can eliminate sparks from vehicle engine exhaust emissions.
3.6 Anti burst performance
The ability of an explosion-proof container to resist the rupture caused by the explosion of an inner detonator.
3.7 Anti dotonation properties
The ability of an explosion-proof container to prevent other civilian explosives in its vicinity from being detonated simultaneously when the detonator inside the container explodes.
3.8 Anti shock wave overpressure performance
The ability of the anti explosion container to attenuate the overpressure of the explosion shock wave when the detonator inside the anti explosion container explodes.
3.9 Anti explosion container storage quantity
The maximum amount of detonator inside the explosion-proof container (or equivalent to the storage quantity of No. 8 instantaneous industrial electric detonator).
4 Requirements
4.1 Whole vehicle
4.1.1 The dimensions of the vehicle corridor should comply with the provisions of GB 1589.
4.1.2 The external lighting and signals of the vehicle shall comply with the provisions of GB 4785, except for retaining the original lighting system devices.
4.1.3 The vehicle should be able to operate normally under the following conditions:
a) Environmental temperature: -400C~450C;
b) Expose to sunlight with an ambient temperature of over 400C for 2 hours, and the temperature inside the container should not exceed 550C;
c) Drive at 90km/h on highways above Class 4.
4.1.4 The vehicle should have an anti lock braking device (ABS) that complies with the provisions of GB/T 13594, and the braking performance should comply with the provisions of GB 12676.
4.1.5 The oil, steam, and water and electricity pipeline devices of the vehicle should be fixed firmly, without looseness, leakage, detachment, and other phenomena.
4.1.6 The electrical facilities of the vehicle should be equipped with isolation and protection devices. Dust tight electrical plug-in components should be used at the electrical line joints, and insulation tape should not be used.
4.1.7 Vehicles with a total mass of less than 2000kg should have their engine exhaust pipes in front.
4.1.8 Vehicles with a total mass greater than 2000kg should use a diesel engine, and the engine exhaust pipe should be in front.
4.1.9 The exhaust pipes of vehicle engines should be equipped with exhaust spark arresters, and the performance of exhaust spark arresters should comply with the provisions of GB 13365.
When the exhaust pipe of the vehicle engine is installed below the cargo box bottom plate, an insulation board should be installed between the exhaust spark arrester and the cargo box bottom plate, and the insulation board should be coated with heat radiation resistant material.
4.1.11 The distance between the exhaust pipe of the vehicle engine and the fuel tank and oil pipe should not be less than 300mm, and the distance from the exposed electrical switch should not be less than 200mm.
4.1.12 Series circuit isolation switches should be installed separately in the driver's cab and battery positions of the vehicle.
4.1.13 Vehicles with a total mass greater than 3500kg should be equipped with protective devices that meet the requirements of GB 11567.1 on the sides (including the outer side of the fuel tank), and protective devices that meet the requirements of GB 11567.2 should be installed on the rear end of the vehicle
4.1.14 A buffer with an area of no less than 160mmx80mm and a thickness of no less than 40mm should be installed on the front and rear protective devices of the vehicle.
4.1.15 The front and rear of the vehicle should be equipped with towing hooks or towing devices.
4.1.16 Vehicles should be equipped with a hazard warning system that meets the requirements of Table 1. The control device of the hazard warning system should not be controlled by the main power switch and should comply with the relevant provisions of GB 7258.
4.1.17 The smoke alarm performance inside the cargo box should be tested using cigarettes and decibels, and natural smoking at a distance of 0.5m from the smoke and fire detector should be able to trigger the alarm.
4.1.18 The anti-theft alarm performance of the vehicle should be tested using a decibel meter. When the rear or side door of the vehicle is opened, the alarm device in the driver's cab should alarm.
4.1.19 The battery holder of the vehicle should be equipped with a sturdy and corrosion-resistant protective cover, and the electrodes should not be exposed.
4.1.20 The frame should be equipped with static conductive rubber towing belts that meet the requirements of JT 230. The static conductive rubber towing belts should be equipotentially connected to the frame, and the number of static conductive rubber towing belts installed on the vehicle should meet the requirements of Table 2.
4.1.21 The frame and cargo box should be equipotentially connected, and the static conductivity of the inner wall of the cargo box should be measured using a megohmmeter with a range of 1x104 Ω~1x108 Ω. The resistance between the inner wall panel and the bottom plate relative to the static conductive rubber strap should be measured every 2m2. The resistance should be 5.0x104 Ω~1x108 Ω.
4.1.22 Vehicles should use tubeless radial tires. It is strictly prohibited to use retreaded tires.
4.1.23 In addition to installing the vehicle's factory label, the vehicle should also have safety sign graphics and text that comply with the provisions of GB 13392. The setting of safety signs should comply with the following regulations:
a) It should be installed in the middle of the front end of the outer surface of the driver's cab and on the right side of the rear of the vehicle, respectively, in accordance with the provisions of GB 13392. Dangerous triangular ceiling lights and rectangular signs printed with the words "DANGER" in bold.
b) The words "No Smoking" should be painted on both sides of the vehicle, and the words "Civilian Explosive Transport Vehicle" should be painted on the rear side of the vehicle.
c) A transportation table for civilian explosives in accordance with GB 50089 regulations should be posted on the inside of the cargo box door.
4.1.24 Vehicle signage should be installed on the cargo box, and the content of the signage should comply with the provisions of GB/T 18411.
4.1.25 Two ammonium phosphate powder fire extinguishers of no less than 5kg should be placed in prominent and easily accessible positions on the vehicle, and the device or container for fixing the fire extinguisher should be firm and reliable.
4.2 Container
4.2.1 The basic structure of the cargo box should be a metal skeleton and a closed metal outer skin. The metal skeleton should have a certain strength and stiffness, and the cross-sectional size of the metal skeleton pipe body should not be less than 20mm X 20mm. The pipe fittings should be connected by welding.
4.2.2 The inner skin material of the cargo box should be made of flame retardant materials that do not cause sparks due to impact (such as non-ferrous metal materials or marine plywood). When using marine plywood, the inner surface should be coated with fireproof paint.
4.2.3 The inner and outer skin of the cargo box should be flat and free from bumps and scratches.
4.2.4 The inner and outer skin and skeleton of the cargo box should be tightly fitted without any hollowing defects. For example, the riveting and sealing strips should be arranged neatly, the density of the rivets should be appropriate, the rivet head should be free of defects, and the local gap between the rivet head and the parent metal should not exceed 0.05mm.
4.2.5 The gaps between the inner and outer skin of the cargo box should be filled with flame-retardant and heat-insulating materials.
4.2.6 The side wall of the cargo box should be equipped with ventilation windows with rainproof function, which should be able to prevent foreign objects from entering. The sealing inspection of the cargo box shall be carried out in accordance with the provisions of QC/T453.
4.2.7 The inner wall of the cargo box should not have protruding sharp corners or edges.
4.2.8 Rubber products that can buffer the collision of goods should be added to the front inner wall of the cargo box.
4.2.9 The cargo box should be equipped with fastening devices that can secure the goods.
4.2.10 The bottom plate of the cargo box should be made of metal material, and the surface should be flat. If there are welding seams, they should be flattened.
4.2.11 The bottom plate of the cargo box should be laid with flame-retardant and static conductive adhesive plates. Static conductive adhesive should be used between the bottom plate of the cargo box and the flame-retardant and static conductive adhesive plates to ensure smooth and uniform bonding. The interfaces and gaps should be filled with adhesive materials. The flame-retardant and static conductive adhesive plates should not wrinkle or warp.
4.2.12 The electrical resistivity of flame retardant and electrostatic conductive adhesive board materials should comply with the provisions of WJ 2146, and the thickness should not be less than 5mm.
4.2.13 It is strictly prohibited to install any lighting fixtures and other electrical equipment in the cargo box, except for smoke and fire detectors.
5 vehicles with the same load
When transporting detonators and explosives in the same vehicle, civilian explosives should be carried in the same vehicle. The same vehicle should meet the following requirements:
a) The same vehicle shall be equipped with a chassis with a total mass not exceeding 2000kg, and the cargo box shall be equipped with explosion-proof containers that comply with the provisions of Appendix A;
b) A partition wall should be installed inside the cargo box to isolate it into two independent warehouses. The front warehouse should use the side door of the cargo box as the passage, and the rear warehouse should use the rear of the cargo box as the passage;
c) The thickness of the cargo box isolation wall should not be less than 80mm, and the interlayer of the wall should be filled with materials that can absorb the energy of explosion shock waves and are non combustible (or flame retardant);
d) The explosion-proof container should be installed in the rear compartment of the same vehicle, and the position of the explosion relief hole of the explosion-proof container should not be opposite to important components of the car chassis;
e) The maximum allowable transportation quantity table for detonators and explosives should be pasted on the inner side of the rear and side doors of the same vehicle. The transportation quantity of explosives should not exceed 1000kg, and the transportation quantity of detonators should not exceed 0.3kg;
f) The storage capacity of a single explosion-proof container should not exceed 100g (or the equivalent number of No. 8 instantaneous industrial electric detonators should not exceed 100 rounds).
Appendix A
(Normative Appendix)
Technical requirements, test methods, and inspection rules for explosion-proof containers
A. 1 Technical Requirements
A. 1.1 Appearance quality
A. 1.1.1 The appearance of the explosion-proof container should be free of paint peeling, bumps, flash edges, and burrs.
A. 1.1.2 Anti explosion containers should be coated with anti rust paint both inside and outside; Except for the explosion vent area, all exposed surfaces should be coated with a "medium yellow" warning color paint.
A. 1.1.3 The surface of the explosion relief hole of the explosion-proof container should be coated with black paint.
A. 1.1.4 The paint coating should comply with the provisions of QC/T 484.
A. 1.2 Structure
A. 1.2.1 Explosion relief holes should be installed on explosion-proof containers.
A. 1.2.2 The explosion relief hole of the explosion-proof container and the storage room of the explosion-proof container are separated by aluminum foil rupture discs.
A. 1.3 Welding parts
The welding parts of explosion-proof containers should comply with the relevant provisions of JB/T 5943.
A. 1.4 Safety factor
The explosion-proof safety factor of explosion-proof containers should not be less than 200%.
A. 1.5 Performance
A. 1.5.1 Explosion resistance
When an explosion occurs, except for the damage to the explosion relief hole of the explosion-proof container, other parts should not be damaged by explosion, but deformation is allowed.
A. 1.5.2 Anti explosion
When an explosion occurs, an explosion-proof container can prevent other civilian explosives in its vicinity from being detonated simultaneously.
A. 1.5.3 Anti explosion shock wave overpressure
When an explosion occurs, the explosion shock wave at a distance of 2.5m from the outer side of the explosion-proof container should not exceed 0.02MPa.
A. 1.5.4 Noise isolation
When an explosion occurs, the noise at a distance of 5m from the outer side of the explosion-proof container should not exceed 115dB.
A. 2 Test methods
A. 2.1 Sample
Detonator, instant industrial electric detonator No. 8 in accordance with GB 8031.
Explosives, industrial grade RDX in accordance with GB 12435.
A. 2.2 Appearance quality
Check visually.
A. 2.3 Structure
Check visually.
A. 2.4 Weldments
According to the relevant provisions of JB/T 5943.
A. 2.5 Anti burst
The explosion-proof container contains 200 detonators and is artificially detonated.
A. 2.6 Anti explosion
200 detonators are installed inside the anti explosion container, and the same number of detonators are tied on the outer wall of the anti explosion container to artificially detonate the detonators inside the anti explosion container.
A. 2.7 Anti explosion shock wave overpressure
The explosion-proof container contains 100 detonators, which are artificially detonated.
A. 2.8 Noise Isolation
The explosion-proof container contains 100 detonators, which are artificially detonated.
A. 3 Inspection Rules
A. 3.1 Inspection classification
The inspection of explosion-proof containers is divided into factory inspection and type inspection.
A. 3.2 Factory inspection
A. 3.2.1 Inspection items
The factory inspection items of explosion-proof containers are shown in Table A.1.
Table A.1 Factory inspection items of explosion-proof containers
A. 3.2.2 Sampling Plan
Conduct 100% inspection according to the factory inspection items.
A. 3.2.3 Qualification criteria
If all the factory inspection items of the explosion-proof container are qualified, it is deemed that the product has passed the inspection; When there are two unqualified items, it is allowed to rework once. If the product still fails the retest after rework, it is deemed as unqualified.
A. 3.3 Type inspection
A. 3.3.1 Inspection timing
Type inspection should be conducted in one of the following situations:;
a) When a new or old product is transferred to another factory for trial production and finalization;
b) When production resumes after two years of production suspension;
c) Accumulated normal production capacity of 300 units per hour;
d) After formal production, if there are significant changes in materials and processes that may affect product performance;
e) When there is a significant difference between the factory inspection and the type inspection.
A. 3.3.2 Inspection items
The type inspection items for explosion-proof containers are shown in Table A.2.
A. 3.3.3 Number of tested samples
The number of tested samples should be three.
A. 3.3.4 Qualification criteria
If all the type inspection items are qualified, it is deemed that the product has passed the inspection. If any item is not qualified, it is deemed that the product is not qualified.
A. 4 Signs
A. 4.1 The surface of explosion-proof containers should be sprayed with "model", "name", and warning signs.
A. 4.2 Explosion resistant containers should have product labels, which should include the following contents:
a) Product name and model;
b) Main technical parameters: TNT equivalent of detonator 100g or 100 detonators;
c) Factory number and production date;
d) Name of the manufacturer.
