This specification is formulated to ensure that the computer room design ensures the stable and reliable operation of the computer system and a good working environment for the computer room staff, and to achieve advanced technology, economic rationality, safety and applicability, and quality assurance. This specification is applicable to the design of computer rooms with a building area greater than or equal to 140 square meters for newly built, rebuilt and expanded mainframe rooms on land. This specification does not apply to computer rooms for industrial control and microcomputer rooms. GB 50174-1993 Design Specification for Computer Rooms GB50174-1993 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
50174-92
Code for Design of Electric Computer Room
Code for Design of Electric Computer Room
1993-02-17
1993-09-01
State Bureau of Technical SupervisionWww.bzxZ.net
Ministry of Construction of the People's Republic of China
Engineering Construction Standard Full-text Information System
Jointly Issued
Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
Code for Design of Electric Computer Room
50174-93
Editor Department: Electronic Industry of the People's Republic of China Ministry Approval Department: Ministry of Construction of the People's Republic of China Implementation Date: September 1, 1993
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Notice on the Release of the National Standard "Electronic Computer Room Design Code"
Construction Standard [1993] No. 123
According to the requirements of the State Planning Commission's Document No. [1987] 2390, the "Electronic Computer Room Design Code" jointly formulated by the Ministry of Electronics Industry and relevant departments has been reviewed by relevant departments. The "Electronic Computer Room Design Code" GB50174-93 is now approved as a mandatory national standard and will be implemented from September 1, 1993. This code is managed by the Ministry of Electronics Industry, and its specific interpretation and other work are the responsibility of the Tenth Design Institute of the Ministry of Electronics Industry. The publication and distribution is organized by the Standard and Quota Research Institute of the Ministry of Construction.
Ministry of Construction of the People's Republic of China
February 17, 1993
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Preparation Instructions
This specification is compiled by the Tenth Design Institute of the Ministry of Electronics Industry in accordance with the requirements of the State Planning Commission's Document No. [1987] 2390, and is compiled in conjunction with relevant units.
During the preparation of this specification, the specification compilation team conducted extensive investigations and studies, carefully summarized the practical experience of my country's electronic computer room design, referred to relevant international standards and advanced foreign experience, carried out scientific research and experimental verification work on major technical issues, and widely solicited opinions from relevant units across the country. Finally, our company reviewed and finalized it together with relevant departments.
Since this specification is compiled for the first time, during the implementation process, we hope that all units will combine engineering practice and scientific research, carefully summarize experience, and pay attention to accumulating information. If you find that there is a need for modification and enrichment, please send your opinions and relevant information to the National Standard Management Group of "Electronic Computer Room Design Specification" of the Tenth Design Institute of the Ministry of Electronics Industry (PO Box 307, No. 27 Wanshou Road, Beijing, Postal Code: 100840) for reference in future revisions. China National Electronics Industry Corporation
November 1991
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter 1
Chapter 2
Section 1
Section 2
Section 3
Chapter 3
Section 1
Section 2
Chapter 4
Section 1
Section 2
Section 3
Section 4
Section 5
Chapter 5
Section 1
Section 2
Section 3
Section 4
Section 5
Chapter 6
Location and Equipment of Computer Room Layout
Selection of location for computer room
Composition of computer room
Equipment layout
Environmental conditions
Temperature, humidity and dust concentration in the air
Electromagnetic interference, vibration and static electricity
Noise,
-General provisions
Flow of people and entrances and exits
Fire prevention and evacuation
Interior decoration
Noise and vibration control
Air conditioning
General provisions
Calculation of heat and humidity load
Air flow organization…
System design
Equipment selection
Electrical technology
Section 1
Section 2
Section 3
Static electricity protection.
Section 4
Chapter 7
Water Supply and Drainage
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Section 1
Section 2
Chapter 8
Section 1
Section 2
Section 3
Appendix—
Appendix 2
General Provisions..
Systems and Pipes
Fire Protection and Safety
General Provisions
Fire Protection Facilities
Safety Measures
Term Explanation
This Regulation Explanation of terms used in the specification
Additional explanation
Appendix: Explanation of clauses
Engineering 2 Design Standard Full Text Information System
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Engineering Construction Standard Full Text Information System
Chapter 1 General
Article 1.0.1 In order to ensure the stable and reliable operation of the electronic computer system and a good working environment for the staff in the computer room, so as to achieve advanced technology, economic rationality, safety and applicability, and ensure quality, this specification is formulated. Article 1.0.2 This specification applies to the design of electronic computer rooms with a building area greater than or equal to 140m2 for newly built, rebuilt and expanded main computer rooms on land. This specification does not apply to computer rooms for industrial control and microcomputer rooms. Article 1·0·3 In addition to complying with this specification, the design of the computer room shall also comply with the provisions of the current national standards and specifications. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 2 Computer Room Location and Equipment Layout
Section 1 Selection of Computer Room Location Article 2·1·1 The computer room should be located on the second or third floor of a multi-story or high-rise building.
Article 2·1·2 The location selection of the computer room shall meet the following requirements: 1. Adequate water supply, relatively stable and reliable electricity, convenient transportation and communication, and a clean natural environment;
2. Stay away from factories, warehouses, and yards that produce dust, fumes, and harmful gases, and produce or store corrosive, flammable, and explosive items; 3. Stay away from strong vibration sources and strong noise sources;
4. Avoid strong electromagnetic field interference.
Article 2·1·3 When it is impossible to avoid strong electromagnetic interference or to ensure the information security of the computer system, effective electromagnetic shielding measures can be taken. Section 2 Composition of Computer Rooms
Article 2·2·1 The composition of computer rooms should be determined according to the computer operation characteristics and specific equipment requirements. Generally, it should be composed of the main computer room, basic workroom, first-class auxiliary room, second-class auxiliary room, third-class auxiliary room, etc. Article 2·2·2 The usable area of ​​the computer room should be determined according to the layout and size of the computer equipment. In the case that the dimensions of computer equipment are not fully known, the usable area of ​​the electronic computer room should comply with the following provisions: 1. The area of ​​the main computer room can be determined by the following methods: 1. When the computer system equipment has been selected, it can be calculated according to the following formula: A=KZs
Where A is the usable area of ​​the computer main computer room (m); K is a coefficient, which takes a value of 5 to 7;
Engineering 2 Construction Standard Full Text Information System
(2.2.2-—1)
Engineering Construction Standard Full Text Information System
S is the projected area of ​​the computer system and auxiliary equipment (m2). 2. When the equipment of the computer system has not been selected, it can be calculated according to the following formula: A=KN
(2·2·2—2)
K is the area occupied by a single device, which can be 4.5~5.5 (m2); Where
N is the total number of all devices in the computer main computer room. 2. The total area of ​​the basic workroom and the first-class auxiliary rooms should be equal to or greater than 1.5 times the area of ​​the main computer room.
3. The computer preparation room, external user studio, hardware and software personnel office, etc. can be 3.54m2 calculation.
Section 3
Equipment Layout
Article 2·3·1 Computer equipment should be arranged in zones, which can generally be divided into host area, storage area, data input area, data output area, communication area and monitoring and dispatching area. The specific division can be determined according to system configuration and management. Article 2·3·2
Equipment that needs to be frequently monitored or operated should be arranged to facilitate operation.
Article 2·3·3 Equipment that generates dust and waste should be kept away from dust-sensitive equipment and should be concentrated near the return air outlet of the computer room. Article 2·3·4 The distance between the passage and equipment in the main computer room should meet the following requirements:
1. The distance between the front faces of two opposite cabinets should not be less than 1.5m; 2. The side (or unused face) of the cabinet should not be less than 0.5m from the wall. When maintenance and testing are required, the distance from the wall should not be less than 1.2m; 3. The net width of the aisle should not be less than 1.2m.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 3 Environmental Conditions
Section 1 Temperature, Humidity and Air Dust Concentration Article 3.1.1 The temperature and humidity in the main computer room and basic workroom must meet the requirements of computer equipment.
The temperature and humidity in the computer room should meet the following requirements: Article 31.2
1. The temperature and humidity in the computer room when the computer is turned on should comply with the provisions of Table 3.1.2-1.
Temperature and humidity levels in the computer room when powered on
Relative humidity
Temperature change rate
23±2℃
20±2℃
45%~65%
<5℃/h
and no condensation
Table 3·1.2-1
18~28℃
40%~70%
<10℃/h
and no condensation
, the temperature and humidity in the computer room when powered off shall comply with the provisions of Table 3·1·2-2.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Temperature and humidity levels of computer rooms when shut down
Relative humidity
Temperature change rate
5~35℃
40%~70%
<5℃/h
And no condensation
Table 3·1·2-2
5~35℃
20%~80%
<10℃/h
And no condensation
Article 3·1·3 The temperature and humidity of the main computer room when starting up shall be Class A. The basic workroom may be implemented at Class A or Class B according to equipment requirements. Other auxiliary rooms shall be determined according to process requirements.
Article 31·4
The temperature and humidity of the recording medium warehouse shall meet the following requirements: 1. The temperature and humidity of the commonly used recording medium warehouse shall be the same as those of the main computer room; 2. The requirements of other recording medium warehouses shall be adopted according to Table 3·1·4. Temperature and humidity of recording medium warehouse
5~40℃
Relative humidity30%~70%40%~70%
Magnetic field strength
Long-term storage
Recorded
18~28℃
Unrecorded
0~40℃
20%~80%
Table 3·1·4
Recorded||tt| |18~28℃
Unrecorded
0~40℃
20%~80%
<4000A/m<3200A/m<4000A/m
<3200A/m
Article 3·1·5 The dust concentration in the air in the main engine room, tested under static conditions, shall be less than 18,000 particles of dust particles greater than or equal to 0.5um per liter of air. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Section 2 Noise, Electromagnetic Interference, Vibration and Static Electricity Article 3·2·1 The noise in the main engine room, when the computer system is shut down, measured at the main operator's position shall be less than 68dB (A). Article 3·2·2 The radio interference field strength in the main engine room shall not be greater than 126dB at a frequency of 0.15~1000MHz.
Article 3·2·3 The field strength of the magnetic field interference environment in the computer room should not be greater than 800A/m.
Article 3·2·4 The vertical and horizontal vibration acceleration values ​​of the floor surface of the computer room under the condition of computer system shutdown should not be greater than 500mm/s. Article 3·2·5 The electrostatic leakage resistance of the floor and work surface of the computer room should comply with the provisions of the current national standard "Technical Conditions for Raised Floors for Computer Rooms". Article 3·2·6 The electrostatic potential of insulators in the computer room should not be greater than 1kV. Engineering Construction Standard Full Text Information SystemThe number of 5um dust particles should be less than 18,000. Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Section 2 Noise, Electromagnetic Interference, Vibration and Static Electricity Article 3·2·1 The noise in the main engine room should be less than 68dB (A) when measured at the main operator position when the computer system is shut down. Article 3·2·2 The radio interference field strength in the main engine room should not be greater than 126dB at a frequency of 0.15~1000MHz.
Article 3·2·3 The magnetic field interference environment field strength in the main engine room should not be greater than 800A/m.
Article 3·2·4 The vertical and horizontal vibration acceleration values ​​of the main engine room floor surface should not be greater than 500mm/s when the computer system is shut down. Article 3·2·5 The static leakage resistance of the main engine room floor and work surface should comply with the provisions of the current national standard "Technical Conditions for Raised Floors for Computer Rooms". Article 3.2.6 The electrostatic potential of the insulator in the main engine room should not be greater than 1kV. Engineering Construction Standards Full Text Information SystemThe number of 5um dust particles should be less than 18,000. Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Section 2 Noise, Electromagnetic Interference, Vibration and Static Electricity Article 3·2·1 The noise in the main engine room should be less than 68dB (A) when measured at the main operator position when the computer system is shut down. Article 3·2·2 The radio interference field strength in the main engine room should not be greater than 126dB at a frequency of 0.15~1000MHz.
Article 3·2·3 The magnetic field interference environment field strength in the main engine room should not be greater than 800A/m.
Article 3·2·4 The vertical and horizontal vibration acceleration values ​​of the main engine room floor surface should not be greater than 500mm/s when the computer system is shut down. Article 3·2·5 The static leakage resistance of the main engine room floor and work surface should comply with the provisions of the current national standard "Technical Conditions for Raised Floors for Computer Rooms". Article 3.2.6 The electrostatic potential of the insulator in the main engine room should not be greater than 1kV. Engineering Construction Standard Full Text Information System
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