This standard specifies the safety technical requirements that should be followed during the design and construction of small civilian explosive equipment warehouses. This standard applies to the centralized management of civilian blasting equipment storage warehouses of township and town-affiliated and self-operated mines, coal kilns, quarries and other user units. GB 15745-1995 Safety Standard for Small Civilian Explosive Equipment Warehouses GB15745-1995 Standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
Safety standard on site magazines ofcommercial blasting materials1 Question content and scope of application
This standard stipulates the design and construction of small civilian blasting equipment warehouses Safety technical requirements that should be followed GB 15745-1995
This standard applies to the centralized management of civilian blasting equipment storage warehouses of township and town-affiliated and individually operated mines, coal kilns, quarries and other user units.
2 cited standards
GB67222
Explosion safety regulations
GBJ89 Civil blasting equipment factory design safety regulations GBJ16 Building design fire protection regulations
GBJ140||tt| |Building fire extinguisher configuration design specifications
7 Building lightning protection design specifications
GB50057
3 terminology
3.1 Civil blasting equipment
commercial blasting materials non-military Use blasting equipment, including some industrial explosives, industrial detonators, industrial fuses and industrial detonating cords listed in this standard. 3.2 Warehouse rmagazine
A warehouse for storing civilian explosive equipment.
3.3 cave magazine
A blasting equipment warehouse excavated in the mountain. 3.4 External distance interzonal distance The warehouse allows different degrees of damage to various external targets. 3.5 Internal distance intraline distance is the straight-line distance between the axes of the exterior walls of each building in the warehouse area. 3.6 Guard room
A place for security and storage personnel in the warehouse area to work. 4 Hazard levels of warehouses and storage of blasting equipment 4.1 The hazard level division of blasting equipment warehouses should comply with the following regulations. 4.1.1 The hazard level of blasting equipment warehouses storing explosive dangerous goods is Class A. 4.1.2 The hazard level of explosive equipment warehouses storing flammable dangerous goods is level D. The hazard level classification of blasting equipment warehouses is shown in Table 1 approved by the State Bureau of Technical Supervision on November 16, 1995 and implemented on May 01, 1996
487
.
Serial number
2
3
GB15745—1995
Table 1 Hazard level of explosive equipment warehouse
Warehouse name||tt| |Powdered ammonium ladder explosives; ammonium oil, ammonium pine wax, ammonium leached wax explosives; emulsion explosives industrial detonators
industrial electric detonators
detonating tube detonators
industrial detonating cord
Industrial fuse
Plastic detonating tube
4.2 Explosive equipment storage
Hazard level
A
D||tt| |4.2.1 The maximum inventory of blasting equipment warehouse should not exceed...-month's usage, and should not be greater than the requirements in Table 2. 4.2.2 Explosive equipment should be stored in a dedicated inventory of a single type. When restricted by conditions, different types of blasting equipment can be stored in the same inventory without increasing the possibility of accidents, and should comply with the provisions of Table 3. 4.2.3 When different types of explosives are stored in the same storage, the total calculated explosive storage capacity should not exceed 3000kg. 4.2.4 When different types of detonators are stored in the same inventory, the total storage capacity should not exceed 20,000 rounds. Table 2 Maximum storage capacity of explosive equipment warehouse
serial number
1
2
3
4
6
warehouse Name
Powdered Ammonium Ladder Explosive
Ammonium Fuel Explosive
Ammonium Leaked Wax Explosive
Ammonium Pine Wax Explosive
Emulsion Explosive
Industrial Fire detonator
Name of blasting equipment
Powdered ammonium ladder explosive
Ammonium oil explosive
Ammonium pine wax explosive
Ammonium leached wax explosive||tt| |Emulsion Explosives
Industrial detonating cord
488
Unit
kg
kg
kg
kg|| tt||kg
hair
powder
like
ammonium
ladder
explosion
medicine||tt| |+
Maximum storage capacity
3000
3000
3000
3000
3000
20 000||tt ||Serial number
8
9
10
11
Warehouse name
Industrial electric detonator
detonating tube Detonator
Industrial fuse
Industrial detonating cord
Plastic detonating tube
Table 3 Storage regulations for blasting equipment in the same inventory
Ammonium||tt ||ammonium
oil
fried
medicine
+
pine
wax
fried
medicine
+
+
x
ammonium
leach
wax
explosion
medicine| |tt||+
+
x
milk
chemical
explosion
medicine
+||tt ||+
Industry
Industry
Guide
Explosion
Solution
+
+
+ | | tt | |tt||Industry
Industry
Electricity
Thunder
Pipeline
Unit
发
发||tt ||m
m
m
Maximum storage capacity
20 000
20000
30000
30000|| tt||60000
Industry
Industry
Fire
Thunder
Tube
Guide
Explosion||tt| |Tube
Thunder
Tube
Plastic
Material
Guide
Explosion
Tube
+
+
+
Name of explosive equipment
Industrial fuse
Industrial electric detonator
Industrial fire detonator
Detonator detonator
Plastic detonator
Powder
Shape
Ammonium
Ladder
Explosion
Pharmaceutical| |tt||Small
Note: ① "+" allows storage in the same bank.
② "1\ is not allowed to be stored in the same inventory.
ammonium
oil
explosion
medicine
+
+
4.2.5 The storage of blasting equipment should comply with the following regulations GB 15745—1995
Continued Table 3
Pine
Wax||tt ||Exploded
Medicine
+
Ammonium
Leak
Wax
Exploded
Medicine
+ | | tt | They should be stacked firmly and neatly, with transportation channels left. Industry
Guide
Explosion
+
Same as 4.2.5.2. When multiple types of blasting equipment are stored in the warehouse, they should be stacked separately and clearly marked. ||Industry
Industry
Electricity
Thunder
Pipe
+
+
4.2.5.3 Stacking There should be a channel for checking and counting blasting equipment, and the width of the channel should not be less than 0.6m. Industry
Industry
Fire
Thunder
Tube
+
x
Guide
Explosion| |tt||Tube
Thunder
Tube
+
×
+
+
plastic||tt ||Material
Guide
Explosion
Tube
×
+
+
+
4.2.5.4 Various explosives, fuses and detonating cords should be stacked on skids, their total height should not exceed 1.6m, and the distance from the wall should not be less than 0.2m.
4.2.5.5 The detonator box should be placed on a wooden frame and stacking is strictly prohibited. Its total height should not exceed 1.6m, and the distance from the wall should not be less than 0.2m. 4.2.6 The warehouse should have good ventilation, moisture-proof, small animal entry and direct sunlight protection measures. 4.2.7 Explosive equipment should be stored in the order of release time and validity period. 5 Warehouse area planning and external distance
5.1 Warehouse area planning
5.1.1 Warehouse area planning shall comply with the following regulations. 5.1.1.1 The warehouse area should be built in an independent area away from the town, and should not be built near important targets such as cities or other residential areas and scenic spots.
5.1.1.2 Warehouse areas should not be located in places where there are dangers from flash floods, landslides and groundwater. Natural barriers such as hills should be used as much as possible. 5.1.1.3 Irrelevant personnel and goods should not be allowed to pass through the warehouse area. 5.1.2 The duty room in the warehouse area should be located outside the wall of the warehouse area. 5.2 External distance of the blasting equipment warehouse area
5.2.1 When there are two or more warehouses in the warehouse area, the external distance should be calculated separately according to the risk level and storage capacity of each warehouse, and the largest one is Exterior distance of warehouse district.
5.2.2 The external distance of the Class A blasting equipment warehouse shall comply with the provisions of Table 4. 5.2. The external distance between the 3D-level blasting equipment warehouse and each item in Table 4 should not be less than the corresponding value in the table for a charge quantity of less than or equal to 500kg.
5.2.4 The distance between the Class A and Class D blasting equipment warehouses and the edge of the blasting operation point served by the warehouse should not be less than 300m. 489
Distance, m
Project
GB 15745-1995
Table 4 External distance of Class A blasting equipment warehouse Warehouse inventory, kg
Village The edge of households, the edge of corporate residential area buildings, the walls of other units
The edge of scattered households with a total population of no more than 50, third-class highways, river channels for navigable steamships, railway branch lines, second-class highways and highways above second-class, National Railway High Voltage Transmission Line (500kV)
High Voltage Transmission Line (330kV)
High Voltage Transmission Line (220kV)
High Voltage Transmission Line (110kV)
High Voltage Transmission Line ( 35kV)
The edge of urban planning with a population of not more than 100,000, national or provincial cultural relics protection areas, railway stations The edge of urban planning with a population of not more than 100,000 6 warehouse areas Total layout and internal distance||tt ||6.1 General layout of warehouse area
>2 500
N3000
285
170
170
225||tt| |430
345
285
200
115
570
855
>2 000||tt| |2500
265
159
159
210
400
320
265
185
105
530
795
6.1.1 The layout should be combined with the terrain according to the risk level and storage volume of the warehouse. 6.1.2 Warehouses with a large amount of medicines should not be arranged near the entrance and exit of the warehouse area. 6.1.3 Warehouses should not be arranged facing each other on long sides.
>1500
2000
250
150
150
200
375
300| |tt||250
175
100
500
750
>1000
1500
225|| tt||135
135
180
335
270www.bzxz.net
225
155
90||tt| |450
675
>500
≤1000
195
115
115
156||tt| |290
230
195
135
75
390
585
500
155
90
90
120
232
186
155
105
60|| tt | | 310 | | tt | | 465 | | tt | beyond measures.
6.1.5 Dead grass and flammable materials should be cleared within 5m around the warehouse, and coniferous trees and bamboo forests should not be planted within 15m outside the fence. 6.1.6 The duty room in the warehouse area should make full use of natural barriers and be arranged in a safe area. 6.2 Internal distances in the warehouse area
6.2.1 The distance between warehouses of each risk level in the warehouse area should not be less than 12m. 6.2.2 The distance between the duty room in the warehouse area and the warehouses of each hazard level should not be less than 30m. 6.2.3 A protective barrier should be set up between the duty room and the Class A explosives warehouse. 6.2.4 When storing two types of non-coexisting blasting equipment in a cave, they should be stored in two isolated caves, and the thickness of the rock and soil between the two caves should not be less than 12m.
6.2.5 The duty room in the cave warehouse area should be located in a safe location and should comply with the following regulations; 6.2.5.1 It should deviate from the axis of the blasting equipment warehouse, and its angle should not be less than 70°. 6.2.5.2 The distance between the duty room and the cave entrance should not be less than 30m. 6.3 Safety regulations for the temporary storage room of blasting equipment at the blasting operation point. 6.3.1 The temporary storage room for blasting equipment is only suitable for small coal mines and excavation and blasting operation sites below the surface. 6.3.2 The inventory of the temporary storage room for blasting equipment should not be greater than the amount required for one shift of production and the amount of explosives converted into it should not be greater than 24kg. 6.3.3 When detonators are temporarily stored in a safe that meets the requirements, they are allowed to be stored in the same room as other blasting equipment. The number of detonators in the safe should not be greater than the production requirements for one shift.
6.3.4 The distance between the temporary storage room of blasting equipment and the edge of the blasting operation point and various buildings should not be less than 30m. 490
7 Protective barrier
GB 15745-1995
7.1 The protective barrier should be able to play a protective role. The slope should be stable and the surface should be smooth. The excavated slope can also be used for both purposes. Protective barrier. 7.2 The protective barrier should be built between the duty room and the explosives warehouse and close to the side of the duty room. Its height should exceed the height of the duty room by 0.5m, its top width should not be less than 1.0m, and the distance between the slope foot and the outside wall of the duty room should not be greater than 2.0m. 7.3 In areas where it is difficult to obtain soil, it is allowed to use stones or other block materials to build a foundation no higher than 2.0m at the bottom of the protective barrier. The upper part of the foundation should be constructed with non-combustible materials such as soil. 8 Buildings and Structures
8.1--General Provisions
8.1.1 The fire resistance levels of blasting equipment warehouses of each hazard level should comply with the current national regulations on the second-level fire resistance level in GBJ16. 8.1.2 Auxiliary rooms are strictly prohibited in warehouses of blasting equipment of all hazard levels. 8.1.3 Explosive equipment warehouses for each hazard level should be single-story buildings. 8.2 Building structure of warehouses and temporary storage rooms
8.2.1 The warehouse should adopt load-bearing brick walls, the roof should be a concrete structure, and the net height should not be less than 3.0m. 8.2.2 The doors of the warehouse should be two-layered and should open outwards. The outer door should be an iron-covered fire-resistant door, and the inner layer should be an iron gate and metal mesh. The distance from any point in the warehouse to the door should not exceed 15m, the width of the door should not be less than 1.0m, and the height should not be less than 2.0m. Side sliding doors and spring doors should not be used, and thresholds should not be set. 8.2.3. The windows of the warehouse should be able to be opened and should be equipped with iron gates and metal mesh. Set ventilation holes under the windows close to the ground and install iron grilles and metal mesh.
8.2.4 The floor of the explosives warehouse should be a non-sparking floor. When it is stored in packaging boxes and is not unpacked in the warehouse, the floor of the warehouse can be a "normal floor."
8.2.5 Detonators The floor of the warehouse should be kept flat and covered with soft pads. 8.2.6 The duty room in the warehouse area should use cast-in-place reinforced concrete roof panels. Structural columns should be installed at the four corners of the wall to strengthen the ties between the columns and the wall. The support length of the window lintel should not be too high. Less than 24cm
9 Fire protection
9.1 Fire prevention ditches should be built around the reservoir area in grassland and forest areas. The edge of the fire prevention ditch should not be less than 10.0m from the reservoir wall. The ditch width is 1.0 to 3.0m and the depth is 1.0m.
9.2 The warehouse area should be equipped with appropriate fire-fighting equipment, and the fire extinguishers should comply with the provisions of GBJ140. 9.3 The warehouse area should be equipped with a fire-fighting pool with a capacity of not less than 15m. 10 Lighting and lightning protection
10.1 Electrical lighting in warehouses of blasting equipment of each risk level should comply with the following safety regulations: 10.1.1 Electrical lines are prohibited from crossing warehouses of each risk level. 10.1.2 Outdoor floodlights should be used for lighting in warehouses of each risk level. 10.1.3 Warehouse areas. The duty room is designed as a general electrical place. 10.2 The lightning protection of blasting equipment warehouses of each hazard level shall comply with the provisions of GB50057, and shall be fortified in accordance with the lightning protection regulations of the first category of lightning protection buildings
491| |tt||A1 means that it is very strict and must be done in this way: the positive word uses "must"; the negative word uses "strictly prohibited"
A2
A3|| tt | Words: positive words use "should";
negative words use "should"
indicates a slight choice. When conditions permit, the word should be used first: positive words use "should". ";
The negative word is "unsuitable".
Additional notes:
This standard was proposed by the Ministry of Public Security of the People's Republic of China. This standard was drafted by the 217th Research Institute of China Ordnance Industry . The main drafters of this standard are Chen Xiaowen and Zheng Zhiliang 4.92
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