GB 50015-2019 (GB 50015-2003) PDF English
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Code for design of building water supply and drainage
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GB 50015-2003: [GB 50015-2009 Edition] Code for design of building water supply and drainage---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB50015-2003
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CIDNA
Code for Design of Building Water Supply and
Drainage
( 2009 Edition)
Issued on: APRIL 15,2003
Implemented on: SEPTEMBER 1,2003
Revision Note
According to the requirements of Document Jian Biao ( 2007] No. 125 issued by for-
mer Ministry of Construction (MOC)-'"Notice on Printing the Development and Revi-
sion Plan of National Engineering Construction Standards in 2007 (The First Batch)" ,
the code is by Shanghai Xian Dai Architectural Design (Group) Co. , Ltd. jointly with
relevant organizations, and revised from "Code for Design of Building Water Supply and
Drainage" GB 50015-2003.
The partial revision of this Code is in accordance with the requirements of Docu-
ment Jian Biao (1994 ] No. 219-" Notice on Printing the Administrative Measure for
Partial Revision of Engineering Construction Standards", and its code partial revis ion
also based on implementation situations in engineering construction after the publishing
of the original code and the advice of the partial provision of the original code are mas-
sively solicited, as well as the work of testing technical parameters which are related to
some provisions and product research, and is led to a final text through inspection by
some departments concerned working together.
The main contents of this partial revision are as follows .
1. Regulating the applicable conditions for the preventions of backflow pollution in
the domestic drinking water pipe, supplementing the requirements for the preventions of
backflow pollution of the locations and devices with high hazards of backflow pollution
which is supplied by the pipe of drinking water and the combined pipe of living and pro-
ducing, and supplementing the setting requirements for back flow preventers and vacu-
um breakers ;
2. Supplementing the principle specifications of such energy saving technologies as
pressure-superposed water supply, solar hot water supply and heat pump hot water sup-
ply;
3. Improving the design flow calculation for residential sub-district;
4. Carrying out requirements for same-floor drain;
5. Recommending the new floor drain type with anti-drought function, and prohibi-
ting the use of the bell jar ( bowl-buckle) type of floor drain;
6. Based upon the results of scientific tests, regulating the maximum desigri flow
capacity for stacks under different setting conditions of the vent system. And supple-
menting design contents of the self-circulation vent system;
7. Setting up the design discharge capacity of rainwater leaders and roof drain ac-
• 1 •
cording to the design flow regime of rainwater system;
8. Revising design calculation parameters of hourly heat consumption for hot water
supply;
9. Harmonizing supplementing design parameters for fine drink ing water system.
The provisions underlined in this Code are revised contents; the provisions printed
in bold type are compulsory ones and must be enforced strictly.
Ministry of Housing and Urban-Rural Development of the P eople's Republic of
China is in charge of the administration of this Code and the explanation of the compul-
sory provisions, and the chief development organization is responsible for t he explana-
tion of specific technical contents.
All relevant organizations are kindly requested to s um up and accumulate your ex-
periences in actual practices during the process of implementing this Code. The relevant
opinions and advices can be posted or passed on to Shanghai Xian Dai Architectural De-
sign (Group) Co. , Ltd. Management Group of National Standard "Code for Design of
Building Water Supply and Drainage". Address . No. 258, Shi Men Er Road , Shanghai;
Zip Code. 200041; E-mail . GB 50015- 2003@ 163. com.
Chief Development Organization of this partial revision.
Shanghai Xian Dai Architectural Design (Group) Co. , Ltd.
Participating Development Organization of this partial revision.
China Architecture Design &. Research G roup
Chief Drafting Staff of this partial revision.
Zhang Miao L iu Zhenyin Feng Xudong Xu Feng
Inspecting Staff of this partial revision .
• 2 •
Fang Ruqing Zhao Lijun Zhao Shiming Zhao L i Wang Guanjun
Fang Yumei Cui Changqi Cheng Hongwei Wang Yan Wang Zengzhang
Zheng Kebai Hua ng Xiaojia Zhang Qin Wang J ue Zhu Jianrong
Foreword
According to the requirements of Document Jian Biao Cl 998) No. 94 issued by for-
mer Ministry of Construction (MOC)-"'Notice on Printing the Development and Revi-
sion Plan of National Engineering Construction Standards in 1998 (Batch I) ", the "Code
for the Design of Building Water Supply and Drainage" GBJ 15-88 administered by
Shanghai Construction and Management Committee, chief developed by Shanghai Xian
Dai Architectural Design (Group) Co. , Ltd. participating developed by China Architec-
ture Design & Research Group and the Architectural Design and Research Institute of
Guangdong P rovince has been revised completely. In the period of revision, the Code
development organization .;ummarized the recent design experiences for building water
supply and drainage, carried out various studies on major topics, proposed the draft for
comments, based on the nationwide opinions which solicited by the Code development
organization from specialists, scholars, designers of relevant design, research and col-
lege relevant organization, finally, the new version of Code was worked out through se-
rious study and analysis.
The main technical content revisions are as follows. CD The design of water supply
and drainage for residential sub-districts has been added; @ The water consumption
norm for residential and public buildings has been readjusted and added; @ The meas-
ures to prevent pollution in pipe connection have been added; @ New pipe application
technologies has been added; @ Probability formula of calculating peak flow for resi-
dential building water supply has been adopted; @ H ydraulic calculation of varied types
of pipe has been unified; (/) Recycled water t reatment of recreational pools has been
added ; ®The design for cooling tower and cooling water circulation has been added;
® Details of hospital sewage, water supply and drainage for swimming pool expressed
in recommended standards have been deleted, whereas only provisions of principle,
safet y and sanitation reserved; @ The provisions on water supply and drainage for pro-
duction process have been deleted; ® The design parameter of pressure flow drainage of
roof rainwater has been added; © Applied range fo r design hourly heat consumption
with cen tral hot water supply system has been readjusted; @ Calculation of natural cir-
culation hot water pipe system has been deleted ; ~ Technologies essential and parame-
ter of fuel oil (gas) hot water heater unit and water heater have been added and ® Rele-
vant contents of fine drinking water pipe system have been added.
The present Code may be in need of partial revision in the future, that the relevant
• 1 •
information and contents of partial revised Articles will be published on the magazi ne of
"Standardization of Engineering Construction".
The provisions printed in bold type are compulsory ones and must be enforced
strictly.
Ministry of Construction is in charge of the administration of this Code and the ex-
planation of the compulsory provisions, Shanghai Construction and Management Com-
mittee in charge of the specific administration of this Code and Shanghai Xian Dai Archi-
tectural Design (Group) Co. , Ltd. is responsible for the explanation of specific techni-
cal contents.
All relevant organizations are kindly requested to sum up and accumulate yo ur ex-
periences in actual practices during the process of implementing this code. The relevant
opinions and advices, can be posted or passed on to Shanghai Xian Dai Architectural De-
sign (Group) Co. , Ltd. (Management Group of National Standard "Code for Design of
Building Water Supply and Drainage", No. 258 Shi Men Er Lu Modem architectural de-
sign edifice, Shanghai, China, Postcode. 200041) , for revision to the reference.
Chief Development Organization, Participating Development Organization and Main
Drafting Staffs of this Code.
Chief Development Organization.
Shanghai Xian Dai Architectural Design (Group) Co. , Ltd.
Participating Development Organization.
China Archi tecture Design & Research Group
Architectural Design and Research institute of G uangdong Province
Main Drafting Staffs.
Zhang Miao Liu Zhenyin He Guanqin F eng Xudong Sang Luqing
• 2 •
Table of Contents
1 General Provisions 1
2 Terms and Symbols ... 2
2. 1 Terms ... 2
2. 2 Symbols ... ( 1 o)
3 Water Supply ... C 1 5)
3. 1 Water Consumption Norm and Water Pressure ... C 1 5)
3. 2 Water Quality and Contamination Prevention ... ( 2 O)
3. 3 System Selection ... C 2 3)
3. 4 Pipe Materials, Appurtenances and Water Meters ... C 2 5)
3. 5 Piping Layout and Installation ... ( 3 O)
3. 6 Design Flow and Hydraulic Calculation of Piping ... C 3 3)
3.7 WaterTowersandWaterTanks ... ( 40)
3. 8 Pressure Boosting Equipment, Pump Stations ... C 4 3)
3. 9 Swimming Pools and Recreational Pools ...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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