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GB 50974-2014

标准搜索结果: 'GB 50974-2014'
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GB 50974-2014 英文版 1550 购买 现货,9秒内自动发货PDF,有增值税发票。 消防给水及消火栓系统技术规范(附条文说明) 有效

   
标准详细信息 GB 50974-2014; GB50974-2014
中文名称: 消防给水及消火栓系统技术规范(附条文说明)
英文名称: National Standard
行业: 国家标准
中标分类: P30
国际标准分类: 91.040.01
字数估计: 229,000
发布日期: 29/1/2014
实施日期: 1/10/2014
引用标准: GB 50013; GB 50016; GB 50032; GB 50084; GB 50141; GB 50151; GB 50160; GB 50183; GB 50219; GB 50231; GB 50235; GB 50236; GB 50242; GB 50261; GB 50268; GB 50275; GB 50281; GB 50296; GB 50332; GB 50338; GB/T 2423.1; GB/T 2423.2; GB/T 2681; GB/T 2682; GB/T 30
起草单位: 中国中元国际工程公司
归口单位: 住房和城乡建设部
标准依据: 住房和城乡建设部公告第312号
发布机构: Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Ministry of Housing and Urban-Rural Development of the People's Republic of China
范围: 本规范适用于新建、扩建、改建的工业、民用、市政等建设工程的消防给水及消火栓系统的设计、施工、验收和维护管理。


GB 50974-2014
UDC GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
P GB 50974-2014
Technical code for fire protection
water supply and hydrant systems
消防给水及消火栓系统技术规范
Issued on January 29, 2014 Implemented on October 01, 2014
Issued by. Ministry of Housing and Urban-Rural Construction, P.R.C.
General Administration of Quality Supervision, Inspection
and Quarantine of People's Republic of China
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Foreword
This Code is prepared by the China IPPR International Engineering Corporation and
relevant companies based on the requirements of the original Notice on the Issuance of
“Engineering Construction Standards Development and Revision Plan (first) of the Year
2006” (Construction Standard [2006] No. 77) of the Ministry of Construction.
In the preparation of this Code, the preparation team conducted extensive researches,
summed up the fire water and hydrant systems researches of our country as well as the
scientific achievements in manufacturing, research and maintenance management and
practical experience in engineering, and took advice from the design, construction,
research, manufacturing, education, fire supervision departments and organizations, in
accordance with the relevant national policies and the fire-fighting policy of "prevention
first, prevention and fighting combined" to serve for economic and social development,
with reference to foreign advanced standards. The Code is finalized after review.
The Code is divided into 14 chapters and 7 appendices, with main contents including.
general provisions, terms and symbols, design parameters, fire water, facilities of water
supply, types of fire protection water supply, hydrant systems, pipeline works, fire
protection drainage, hydraulic calculation, control and operation, installation, system
commissioning and acceptance, maintenance.
The provisions in bold are compulsory and must be strictly enforced in this Code.
The Ministry of Housing and Urban-Rural Development is responsible for the
management of the Code and the interpretation of the compulsory provisions, the Ministry
of Public Security is responsible for the daily management and China IPPR International
Engineering Corporation is responsible for interpreting the specific technical contents. In
the implementation of the Code, please sum up experiences, collect information and
timely send your advice and information to the Fire Water and Hydrant System Technical
Code Management Group of China IPPR International Engineering Corporation (Address.
No. 5, North Road of West Third Ring Road, Beijing; postal code. 100089) for the
reference of future revisions.
Contents
1 General Provisions... 9
2 Terms and Symbols ... 10
2.1 Terms ... 10
2.2 Symbols ... 11
3 Design parameters ... 15
3.1 General requirements ... 15
3.2 Fire flow rates for town ... 16
3.3 Fire flow rates of outdoor hydrant for building ... 17
3.4 Fire flow rates of outdoor for structures ... 19
3.5 Fire flow rates of indoor fire hydrant ... 31
3.6 Fire protection water demand ... 35
4 Fire water ... 39
4.1 General requirements ... 39
4.2 Municipal water supply ... 39
4.3 Fire reservoir ... 40
4.4 Natural water and others ... 43
5 Facilities of water supply ... 45
5.1 Fire pump ... 45
5.2 Elevated fire tank ... 51
5.3 Makeup pump ... 54
5.4 Fire department connection ... 55
5.5 Fire pump room ... 57
6 Types of fire protection water supply... 62
6.1 General requirement ... 62
6.2 Vertical zone of water supply ... 65
7.1 Types of system ... 69
7.2 Municipal hydrant ... 69
7.3 Outdoor hydrant ... 71
7.4 Indoor hydrant ... 72
8 Pipeline works ... 77
8.1 General requirements ... 77
8.2 Pipeline design ... 79
8.3 Valves and others ... 84
9 Fire protection drainage ... 87
9.2 Fire protection drainage ... 87
9.3 Drainage of system commissioning and testing ... 88
10 Hydraulic calculation ... 89
10.1 Hydraulic calculation ... 89
10.2 Hydrant ... 94
10.3 Pressure reduction ... 95
11 Control and operation ... 98
12 Installation ... 102
12.1 General requirements ... 102
12.3 Construction ... 113
12.4 Pressure test and flushing ... 134
13 System debugging and acceptance ... 139
13.1 System debugging ... 139
13.2 System acceptance ... 144
14 Maintenance and Management ... 154
Appendix A Division of the partitioned project and item project of the fire water supply
system ...
   
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