Some standard content:
Scope of application
National Standard of the People's Republic of China
Safety requirements for computation center field
Safety requirements for computation center field1.1 This standard specifies the safety requirements for computation center field. 1.2 This standard applies to all types of ground computing stations. 1.3 For ground computer rooms without stations, the relevant requirements for computer rooms in this standard shall apply. 1.4 For rebuilt computer rooms, this standard shall apply. 1.5 For non-ground computer rooms, this standard shall apply. 2 Terminology
2.1 Computing center field
GB 9361-88
The location where the computer system is installed, the computer power supply, air conditioning, and the maintenance and work place of the system staff. 2.2 The computer room
is the most important room in the computing center field, where the main equipment of the computer system is placed. 2.3 Non-combustible materials
refers to materials that do not catch fire, do not smolder, do not carbonize, and only soften when subjected to combustion or high temperature. 2.4 Flame-retardant materials refer to materials that are difficult to ignite, smolder, or carbonize when subjected to combustion or high temperature. 2.5 Raised floors refer to floors installed in computer rooms that can be flexibly assembled and disassembled. 2.6 Dry-type transformers refer to naturally cooled transformers that are sealed and dried with special paint. 2.7 Temperature detectors refer to devices that increase the temperature of the surrounding air and generate an alarm signal when a substance burns. 2.8 Smoke detectors refer to devices that generate an alarm signal when a substance decomposes due to combustion or heat. 2.9 Emergency power-off devices refer to devices that can immediately cut off the power supply to the computer system when an accident occurs in the computer room. 2.10 Grounding refers to the connection between the DC ground, AC working ground, safety protection ground, and lightning protection ground of the computer system and the earth. 2.11 Secondary damage
Due to improper fire extinguishing methods adopted to extinguish fire, the equipment, information, etc. are damaged again. 2.12 Safety zone
The effective area that can be reached by taking safety measures. Approved by the Ministry of Electronics Industry of the People's Republic of China on April 26, 1988568
Implemented on October 1, 1988
3 Safety classification of computer rooms
GB 9361-88
3.1 The safety of computer rooms is divided into three basic categories: Class A, Class B, and Class C. 3.1.1 Class A: There are strict requirements for the safety of computer rooms and perfect computer room safety measures. 3.1.2 Class B: There are relatively strict requirements for the safety of computer rooms and relatively perfect computer room safety measures. 3.1.3 Class C: There are basic requirements for the safety of computer rooms and basic computer room safety measures. 3.2 The safety requirements of computer rooms are detailed in Table 1. Table 1
Computer room safety category
Safety items
Site selection
Interior decoration
Power supply and distribution system
Air conditioning system
Fire alarm and fire fighting facilitiesbZxz.net
Anti-static electricity
Lightning protection
Rodent protection
Electromagnetic wave protection
Symbols in the table: : No requirements required,
Class C safety computer room
④: Requirements or additional requirements;
?: Requirements.
Class B safety computer room
Class A safety computer room
3.3 According to the requirements of computer room safety, computer room safety can be implemented according to a certain category or in combination according to certain categories. Note: Comprehensive implementation means that a computer room can be implemented according to certain categories. For example, a computer room can choose: Class A electromagnetic wave protection and Class C fire alarm and fire fighting facilities according to safety requirements.
Site selection
4.1 Site selection requirements for Class B safety computer rooms
4.1.1 Areas with high fire risk should be avoided. 4. 1.2
Avoid sources of harmful gases and places where corrosive, flammable and explosive items are stored. Avoid low-lying, humid areas, areas with frequent lightning strikes and ground. 4.1.4
Avoid strong vibration sources and strong noise sources. 4.1.5 Avoid strong electromagnetic interference.
4.1.6 Avoid being located in high-rise buildings or basements, as well as the lower floor or next door to water-using equipment. Avoid areas with heavy salt damage.
4.2 Class C safety computer rooms shall refer to the various provisions of Class B. 4.3 In addition to the requirements of Article 4.1, Class A safety computer rooms shall also be placed in the safety zone of the building. 4.4 If the above provisions cannot be avoided, appropriate measures shall be taken. 569
5 Structural fire protection
GB9361—88
5.1 The fire resistance level of the building of Class C security room and general recorded media storage room shall comply with the second level fire resistance level specified in TJ16 "Code for Fire Protection Design of Buildings".
5.2 The fire resistance level of the building of other basic working rooms and auxiliary rooms related to Class C security room shall not be lower than the third level fire resistance level specified in TJ16.
5.3 The fire resistance level of the building of Class B security room and important recorded media storage room must comply with the second level fire resistance level specified in GBJ45 "Code for Fire Protection Design of High-rise Civil Buildings". 5.4 The fire resistance level of the building of Class A security room and very important recorded media storage room must comply with the first level fire resistance level specified in GBJ45.
5.5 The fire resistance level of the remaining basic working rooms and auxiliary rooms related to Class A and Class B safety computer rooms shall not be lower than the secondary fire resistance level specified in TJ16.
6 Interior decoration of computer rooms
6.1 Class A and Class B safety computer rooms shall meet the following requirements. 6.1.1 The decoration materials of computer rooms shall meet the requirements of flame-retardant materials and non-combustible materials specified in TJ16, and shall be moisture-proof, sound-absorbing, dust-free, and anti-static.
6.1.2 Raised floors
6.1.2.1 The raised floors of computer rooms shall be flame-retardant or non-combustible materials. 6.1.2.2 The raised floors shall have stable anti-static properties and load-bearing capacity, and at the same time be oil-resistant, corrosion-resistant, soft light, and dust-free. The specific requirements shall meet GB6650 "Technical Conditions for Raised Floors in Computer Rooms". 6.1.2.3 The wires, cables, and inlets and outlets of various specifications provided by special-shaped raised floors shall be made smooth to prevent damage to wires and cables. 6.1.2.4 The building floor under the movable floor should be flat, smooth, moisture-proof and dust-proof. 6.1.2.5 When installing the movable floor, appropriate measures should be taken to prevent the floor support feet from tilting, shifting, and the beams from falling. 6.2 Class C safety computer rooms shall refer to Article 6.1. 7 Special equipment for computer rooms
7.1 Power supply and distribution system
7.1.1 Class A and B safety computer rooms shall meet the following requirements: 7.1.1.1 The computing station shall be equipped with a dedicated and reliable power supply line. 7.1.1.2 The power supply equipment of the computer system shall provide a stable and reliable power supply. 7.1.1.3 The capacity of the power supply equipment shall have a certain margin. 7.1.1.4 The technical indicators of the power supply of the computer system shall be implemented in accordance with the provisions of Chapter 9 of GB2887 "Technical Requirements for Computing Station Sites".
7.1.1.5 When the computer system has independent power distribution, it is advisable to use a dry-type transformer. The installation of oil-filled transformers shall comply with the provisions of GBJ232 "Electrical Installation Engineering Specifications".
7.1.1.6 The cables used from the power supply room to the distribution board of the computer power supply system shall, in addition to complying with the provisions of the wiring engineering in GB232, have their current carrying capacity reduced by 50%.
7.1.1.7 The distribution board for the computer system shall be installed in the computer room, and measures to prevent electric shock shall be taken. 7.1.1.8 The cables from the distribution board to various equipment in the computer system shall be flame-resistant copper core shielded cables. 7.1.1.9 The wiring of each device in the computer system shall not be parallel to the wiring of the air conditioning equipment and power supply equipment without electromagnetic shielding. When crossing, the crossing should be as close to the vertical angle as possible, and measures to prevent the spread of fire shall be taken. 7.1.1.10 The computer system shall use copper core cables, and it is strictly forbidden to mix copper and aluminum. If it cannot be avoided, copper-aluminum transition joints shall be used for connection. 70
GB 9361-88
7.1.1.11 All contacts of the computer power supply system shall be plated with lead tin and cold pressed. 7.1.1.12 Emergency telephones and emergency power-off devices shall be installed at the entrance and exit of the computer room or in the duty room. 7.1.1.13 Closed batteries should be used in the computing station. 7.1.1.14 When using semi-closed or open batteries, a special room shall be set up. The surface of the room walls and floors shall be treated with anti-corrosion, and explosion-proof lamps, explosion-proof switches and exhaust devices shall be installed. 7.1.1.15 Computer system grounding should use a dedicated ground wire. The lead of the dedicated ground wire should be insulated from the steel mesh and various metal pipes of the building. 7.1.1.16 Several grounding technical requirements for computer systems and the relationship between the various grounds should comply with the provisions of GB2887. 7.1.1.17 Computer rooms should be equipped with emergency lighting and indicator lights for safety exits. 7.1.2 Class C safety rooms should meet the three power supply requirements specified in GB2887. 7.2 Air conditioning system
7.2.1 Class A and B computer rooms should meet the following requirements: 7.2.1.1 Computer rooms should use dedicated air conditioning equipment. If shared with other systems, the air conditioning effect should be guaranteed and fire prevention measures should be taken. 7.2.1.2 The main equipment of the air conditioning system should have backup, and the air conditioning equipment should have a certain margin in energy. 7.2.1.3 Air-cooled air conditioning equipment should be used as much as possible, and the outdoor part of the air conditioning equipment should be installed in a place that is easy to maintain and safe. 7.2.1.4 Electric heaters and electric humidifiers installed in air-conditioning equipment should have fireproof linings, and the electric heaters should be kept away from air filters made of flammable materials as much as possible.
7.2.1.5 The pipes, silencers, fire damper joints, gaskets, and heat insulation materials used for pipes and piping of air-conditioning equipment should be made of flame-retardant or non-combustible materials.
7.2.1.6 The supply and return air vents installed on the raised floor and ceiling should be made of flame-retardant or non-combustible materials. 7.2.1.7 The fresh air system should be equipped with air filters, and the main body of the fresh air equipment should be made of flame-retardant or non-combustible materials. 7.2.1.8 When using water-cooled air-conditioning equipment, a water leakage alarm device should be installed, and a small waterproof embankment should be set. Attention should also be paid to the antifreeze and fire prevention measures of water supply equipment such as cooling towers, pumps, and water tanks.
7.2.2 The environmental conditions of Class C safety computer rooms should meet the technical requirements of computer manufacturers for air-conditioning systems in the installation environment. 7.3 Other equipment and auxiliary materials
7.3.1 The auxiliary equipment such as disk cabinets, tape cabinets, terminals, etc. used in computer rooms should be made of flame-retardant and non-combustible materials, and fire prevention, moisture-proof, anti-magnetic, and anti-static measures should be taken.
7.3.2 Carpets should be avoided as much as possible in computer rooms. 7.3.3 Inflammable items such as paper, tapes, and films used in computer rooms should be placed in metal fireproof cabinets. 8 Fire alarm and fire-fighting facilities
8.1 Class A and B safety computer rooms should be equipped with fire alarm devices. Smoke and temperature detectors should be installed in the computer room, basic work room, under the raised floor, in the ceiling, in the main air-conditioning ducts, and near the flammable materials. 8.2 Class A safety computer rooms should be equipped with Halon 1211, 1301 automatic fire-fighting systems, and equipped with Halon 1211, 1301 fire extinguishers. 8.3 Class B safety computer rooms should be equipped with Halon 1211, 1301 automatic fire-fighting systems and equipped with Halon 1211, 1301 fire extinguishers if conditions permit.
8.4 Class C safety computer rooms should be equipped with Halon 1211 or 1301 fire extinguishers. 8.5 Except for flammable materials such as paper media, Class AB and C computer rooms are prohibited from using fire extinguishing agents that are prone to secondary damage, such as water, dry powder or foam.
9 Other protection and safety management
9.1 Waterproofing
9.1.1 For computer rooms with heating devices, drainage ditches should be set up around the floor of the room, and attention should be paid to regular inspection and maintenance of heating pipes. 9.1.2 For computer rooms located below water-using equipment, a waterproof layer should be set on the ceiling and a water leakage detection device should be installed. 571
9.2 Anti-static
GB9361-88
9.2.1 The safe grounding of the computer room shall comply with the provisions of GB2887. Note: Grounding is the most basic measure to prevent static electricity. 9.2.2 The relative humidity of the computer room shall comply with the provisions of GB2887. 9.2.3 In places where static electricity is easily generated, static eliminators and static eliminators can be used. 9.3 Lightning protection
9.3.1 The computer room shall comply with the lightning protection measures in GB157 "Building Lightning Protection Design Code". 9.3.2 In areas where lightning is frequent, surge voltage absorption devices should be installed. 9.4 Rodent protection
9.4.1 In places prone to rodent damage, rodent repellent should be applied to the cables and wires in the computer room. 9.4.2 Rat catching or rodent repelling devices should be installed in the computer room. 9.5 Protection against electromagnetic waves
9.5.1 The electromagnetic field strength of Class A and B safety computer rooms shall meet the relevant requirements of GB2887. 9.5.2 For computer rooms with radiation protection requirements, the electromagnetic field strength generated by computer radiation at the boundary of the safety zone shall not exceed the requirements of the relevant standards.
9.6 Safety pipelines
Strict preventive measures and monitoring procedures should be established. Additional notes:
This standard was drafted by the Institute of Computing Technology, Chinese Academy of Sciences. 5721 In places susceptible to rodent infestation, rat repellents should be applied to cables and wires in the computer room. 9.4.2 Rat traps or rat repellent devices should be installed in computer rooms. 9.5 Protection against electromagnetic waves
9.5.1 The electromagnetic field interference environment strength of Class A and Class B safety computer rooms should meet the relevant requirements of GB2887. 9.5.2 For computer rooms with radiation protection requirements, the electromagnetic field strength generated by computer radiation at the boundary of the safety zone should not exceed the provisions of the relevant standards.
9.6 Safety pipelines
Strict preventive measures and monitoring procedures should be established. Additional notes:
This standard was drafted by the Institute of Computing Technology, Chinese Academy of Sciences. 5721 In places susceptible to rodent infestation, rat repellents should be applied to cables and wires in the computer room. 9.4.2 Rat traps or rat repellent devices should be installed in computer rooms. 9.5 Protection against electromagnetic waves
9.5.1 The electromagnetic field interference environment strength of Class A and Class B safety computer rooms should meet the relevant requirements of GB2887. 9.5.2 For computer rooms with radiation protection requirements, the electromagnetic field strength generated by computer radiation at the boundary of the safety zone should not exceed the provisions of the relevant standards.
9.6 Safety pipelines
Strict preventive measures and monitoring procedures should be established. Additional notes:
This standard was drafted by the Institute of Computing Technology, Chinese Academy of Sciences. 572
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