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Design standard for energy efficiency of public buildings
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Basic data | Standard ID | GB 50189-2015 (GB50189-2015) | | Description (Translated English) | Design standard for energy efficiency of public buildings | | Sector / Industry | National Standard | | Classification of Chinese Standard | P31 | | Classification of International Standard | 91.120 | | Word Count Estimation | 184,126 | | Date of Issue | 2015-02-02 | | Date of Implementation | 2015-10-01 | | Older Standard (superseded by this standard) | GB 50189-2005 | | Quoted Standard | GB 50015; GB 50034; GB 50176; GB 50314; GB 50555; GB 50736; GB/T 7106; GB/T 8175; GB/T 14295; GB 19762; GB 20052; GB/T 21086; JGJ/T 163; CJ/T 164 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Announcement No.739 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China | | Summary | This Standard applies to new construction, expansion and renovation of public buildings, energy-saving design. | GB 50189-2015: Design standard for energy efficiency of public buildings---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Design standard for energy efficiency of public buildings [Quasi-Official/Academic version - scanned PDF, translated by Standard Committee/Research Institute in China]
UDC
National Standards of People's Republic of China
PGB 50189 --- 2015
Public building energy efficiency design standards
Design standard for energy efficiency of public buildings
2015--2 Communications Sunday October 1, 2015 implementation
Ministry of Housing and Urban-Rural Development of the People's Republic of China
State Administration of Quality Supervision, Inspection and Quarantine jointly issued the People's Republic of China
Foreword
According to the Ministry of Housing and Urban-Rural Development "on the issuance of < 2012 construction standards formulation, revision plan" notice "
(Build standard [2012] No. 5) requirements, standards set by the preparation of extensive research, conscientiously sum up experiences, with reference to the relevant country
International standards and foreign advanced standards, and solicit opinions on the basis of the revised standard.
The main technical contents of this standard are. 1. General; 2 terms; 3 building and thermal; 4 Heating, ventilation and air...
Regulation; 5. Water Supply and Sewerage; 6. Electrical; 7 renewable energy applications.
The revised standard main technical elements are. the establishment of a representative of the characteristics and distribution of typical public buildings public buildings
Building model database, on the basis of this standard to determine the energy efficiency goals; updated the building envelope thermal performance limit and the cold source
Energy efficiency limits, classification according to building and building thermal partition separate provision; increase the envelope weighed judgment precondition
Member, added refined calculation software requirements and weigh the input and output content; the new water supply and drainage systems, electrical systems and
The relevant provisions of the renewable energy applications.
The provisions of this standard to bold mark for the mandatory provisions must be strictly enforced.
This standard by the Ministry of Housing and Urban responsible for the management and interpretation of the compulsory provisions, negative by the China Academy of Building Research
Responsibility to explain specific technical content. Execution If you have comments or suggestions, please send China Academy of Building Research "public buildings
Building energy efficiency design standards "task group (Address. Beijing North Third Ring Road No. 30, zip code 100 013).
The Standard Editor. China Academy of Building Research
This standard AP. Beijing Institute of Architectural Design Co., Ltd.
China Architecture Design and Research
Shanghai Institute of Architectural Design Co., Ltd.
China Southwest Architectural Design and Research Institute
Tianjin Institute of Architectural Design
Tongji University Architectural Design Institute (Group) Co., Ltd.
China Architecture Design & Research Co. northwest
China Architecture Design and Research northeast
Tongji Institute of Engineering
Shenzhen Institute of Building Sciences
Shanghai Research Institute of Building Science
Xinjiang Institute of Architectural Design
Construction International Design Consultants Limited
Shandong Province Institute of Architectural Design
SOUTH Architectural Design Institute Co., Ltd.
Architectural Design and Research Institute, South China University of Technology
Zhongkai University of Agriculture Engineering
With Fang Taide International Science and Technology (Beijing) Co., Ltd.
Carrier Air Conditioning Sales & Service (Shanghai) Co., Ltd.
Trane air-conditioning systems (China) Co., Ltd.
Daikin (China) Investment Co., Ltd.
Johnson Controls Building Equipment Technology (Wuxi) Co., Ltd.
Beijing Gold Vig New Energy Technology Development Co., Ltd.
Siemens Cerberus Electronics Ltd.
Beijing green building (Brownsville) Co., Ltd.
Zhuhai Gree Electric Appliances Inc.
Shenzhen Fangda Decoration Engineering Co., Ltd.
Owens Corning (China) Investment Co., Ltd.
Man Ruide Group Co., Ltd.
Foshan City Echo Electronic Engineering Co., Ltd.
Hebei Aorun Shunda Window Co., Ltd.
Beijing-Technology Co., Ltd. energy saving benefits
This standard was drafted.
Xu Wei Zou Yu Wan-shui E VENTILATING Pan Shou Weiwei steel cloud
Chen Qi Xu Feng Gu Feng Ya Ya Liu Peng put the car school
Wang Qian Jin Lina Long Weiding Zhao Xiaoyu Liu Mingming Liu Ming
Mao Hongwei Zhou Xiao Hui in equine friends to Chen Zuming exercise MARTIN
Liu Junyue Shimin Qi Zhong Chen Xi Sun Deyu Yang Liming
Shi Guangsheng Shaokang Wen Wen Ban Liuqi Yao Chen Jin Zeng Wu
Tian Hui Chen Linan Li Feilong Weihe Dong HUANG Zhen-li Wang Biling
Liu Zongjiang
This Standard reviewer.
Lang Siwei Sun Minsheng Jinhong Xiang Xu Huadong Zhao Li Dai Deci
Wu Xueling Zhang Xu Zhao Shihuai level Jianmin Wang Suying
Table of Contents
Contents ..III
CONTENTS1
1 General 2
2 Terms 3
3 building and building thermal 5
3.1 General provisions .5
.6 3.2 Architectural Design
3.3 Envelope Thermal Design ..8
3.4 envelope thermal performance tradeoffs judgment .12
4 Heating, ventilation and air conditioning ..15
4.1 General provisions ..15
4.2 cold and heat source 15
4.3 Distribution System .22
4.4 End System .27
4.5 Monitoring, control and measurement 28
5 Water Supply and Sewerage ..31
5.1 General provisions .31
5.2 Water Supply and Drainage System Design 31
5.3 DHW ..32
6 Electrical 34
6.1 General provisions .34
6.2 Distribution System .34
6.3 lighting .34
6.4 power monitoring and metering ..36
7 renewable energy applications 37
7.1 General provisions ..37
7.2 solar energy utilization .37
Ground source heat pump system 38 7.3
Appendix A external wall average heat transfer coefficient Calculation 39
Appendix B envelope thermal performance tradeoffs calculated .40
Appendix C building envelope thermal performance tradeoff judgment Checklist ..46
Appendix D pipeline and equipment insulation thickness .48
This standard wording Description 51
Reference standard directory .52
IV
Contents
Contents ..III
CONTENTS1
1 General 2
2 Terms 3
3 building and building thermal 5
3.1 General provisions .5
.6 3.2 Architectural Design
3.3 Envelope Thermal Design ..8
3.4 envelope thermal performance tradeoffs judgment .12
4 Heating, ventilation and air conditioning ..15
4.1 General provisions ..15
4.2 cold and heat source 15
4.3 Distribution System .22
4.4 End System .27
4.5 Monitoring, control and measurement 28
5 Water Supply and Sewerage ..31
5.1 General provisions .31
5.2 Water Supply and Drainage System Design 31
5.3 DHW ..32
6 Electrical 34
6.1 General provisions .34
6.2 Distribution System .34
6.3 lighting .34
6.4 power monitoring and metering ..36
7 renewable energy applications 37
7.1 General provisions ..37
7.2 solar energy utilization .37
Ground source heat pump system 38 7.3
Appendix A external wall average heat transfer coefficient Calculation 39
Appendix B envelope thermal performance tradeoffs calculated .40
Appendix C building envelope thermal performance tradeoff judgment Checklist ..46
Appendix D pipeline and equipment insulation thickness .48
This standard wording Description 51
Reference standard directory .52
1 General
1.0.1 In order to implement national laws, regulations and policies, improve public construction of the indoor environment, improve energy
Use efficiency, promote the building of renewable energy sources, reduce energy consumption, the development of this standard.
1.0.2 This standard applies to new construction, expansion and renovation of public buildings energy-saving design.
1.0.3 public building energy efficiency design should be based on local climatic conditions, indoor environment parameters to ensure conditions, change
Good building envelope insulation properties, improve energy efficiency in buildings and equipment systems, the use of renewable energy
Sources, reduce energy consumption building HVAC, water supply and drainage and electrical systems.
1.0.4 When the building height over 150m or single building on the ground floor area of more than 200000m2, in addition shall comply with the
The provisions of this standard, we must also organize experts to conduct special demonstration of its energy-saving design.
1.0.5 construction design document should specify the energy saving measures taken and their project requirements.
1.0.6 public building energy efficiency design shall comply with the provisions of this standard, there should be consistent with existing national standards
Provisions.
2 Terms
2.0.1 translucent curtain transparent curtain wall
Visible light can be directly transmitted into the interior of the walls.
2.0.2 Building shape coefficient shape factor
The outer area of a building with the outdoor air in direct contact with the enclosed volume ratio of its external surface area
It does not include floor heating and interior stairwell area.
2.0.3 single facade window wall area ratio of single facadewindow to wall ratio
Window hole one area of the building facade and the ratio of the total area of the facade, short window to wall area ratio.
2.0.4 Solar Heat Gain Coefficient (SHGC) solar heat gain coefficient
Radiation by indoor light-transmissive envelope (windows or translucent walls) solar heat gain and projected onto the translucent
Envelope (windows or translucent walls) on the outer surface of the ratio of the amount of solar radiation. Indoor solar radiation heat gain
Including the amount of solar radiation transmitted by radiation heat gain and solar radiation is absorbed and then pass the interior member was
Heat two parts.
2.0.5 visible transmittance visible transmittance
Visible through the transparent material and flux ratio is projected on the surface of the visible luminous flux.
2.0.6 building envelope thermal performance tradeoff judgment building envelope thermal performance trade-off
When the architectural design does not meet the thermal design envelope requirements specified index, calculated and compared with reference to construction
Year-round heating and air-build and design of the building adjusts power consumption, it is determined whether the overall thermal performance of the building envelope symbol
Co-design requirements of energy-saving method, referred to as. Balance judgment.
2.0.7 Reference building reference building
When building envelope thermal performance tradeoff judgment as to meet the standards required to calculate annual heating and air
Gas consumption by adjusting the reference architecture.
2.0.8 Integrated Part Load factor (IPLV) integrated part load value
Based on the performance coefficient unit part load, according to the cumulative load of the unit under various load conditions hundred
Division ratio obtained weighted value of the air-conditioning chillers single part load efficiency.
2.0.9 centralized heating system heat output power ratio (EHR-h) electricity consumption to transferred heat
quantity ratio
Design condition, central heating system circulating pump Total power (kW) and the design heat load (kW) of
ratio.
2.0.10 air conditioning cooling (hot) water system power output of cold (hot) ratio [EC (H) Ra] electricity consumption to
transferred cooling (heat) quantity ratio
Design conditions, the air conditioning cooling (hot) water circulating pump system total power consumption (kW) Design and cold (hot)
Load (kW) ratio.
2.0.11 cold source power integrated refrigeration coefficient of performance (SCOP) system coefficient of refrigeration
performance
Design conditions, cooling capacity chiller with an electrically driven cooling system, the cooling water pump and cooling tower net output
The energy ratio.
2.0.12 duct system unit amount of wind power consumption (Ws) energy consumption per unit air volume of air
duct system
Design conditions, air conditioning, ventilation duct system delivery unit air volume (m3/h) of the electric power consumed
(W).
3 building and building thermal
3.1 General provisions
3.1.1 Classification of public buildings should meet the following requirements.
1 single building area of more than 300m2 of buildings, or single building area is less than or equal to 300m2 but the total
Construction area of more than 1000m2 of buildings, public buildings should be Class A;
2 single building area is less than or equal to 300m2 building, should B public buildings.
3.1.2 cities of building thermal design partitions determined in accordance with Table 3.1.2.
Table 3.1.2 represents the city building thermal design partitions
Climate Division and climatic sub-region on behalf of the city
A cold area
Cold zone B
Bock diagram, Yichun, Huma, Hailar, Manzhouli, Aer Maduo, Heihe,
Nen Helen, Qiqihar, Fujin, Harbin, Mudanjiang, Daqing, Anderson,
Jiamusi, Erenhot, Toronto, Dachaidan, Altay, Nagqu
Cold areas
C cold zone
Changchun, Tonghua, Yanji, Tongliao, Siping, Fushun, Fuxin, Shenyang, Benxi, saddle
Hill, Hohhot, Baotou, Ordos, Chifeng, Ejinaqi, Datong, Ulu
Qi wood, Karamay, Jiuquan, Xining, Xigaze, Garze, Kangding
A cold area
Cold areas
Cold zone B
Dandong, Dalian, Zhangjiakou, Chengde, Tangshan, Qingdao, Luoyang, Taiyuan, Yangquan,
Jincheng, Tianshui, Yulin, Yan'an, Baoji, Yinchuan, Pingliang, Lanzhou, Kashgar, Iraq
Ning, Aba, Lhasa, Nyingchi, Beijing, Tianjin, Shijiazhuang, Baoding, Xingtai, Jeju
South Texas, Yanzhou, Zhengzhou, Anyang, Xuzhou, Yuncheng, Xi'an, Xianyang, tolu
Fan, Korla, Hami
A hot summer and cold winter
Summer and cold winter area to
Summer and cold winter zone B
Nanjing, Bengbu, Yancheng, Nantong, Hefei, Anqing, Jiujiang, Wuhan, Huangshi, Yue
Yang Hanzhong, Ankang, Shanghai, Hangzhou, Ningbo, Wenzhou, Yichang, Changsha, Nanchang,
Zhuzhou, Yongzhou, Ganzhou, Shaoguan, Guilin, Chongqing, Daxian, Wanzhou, Fuling, South
Charge, Yibin, Chengdu, Zunyi, Carey, Mianyang, Nanping
A hot summer and warm in winter
Subtropical zone to
Subtropical zone B
Fuzhou, Putian, Longyan, Meizhou, Xingning, Britain and Germany, Hechi, Liuzhou, Hezhou, spring
States, Xiamen, Guangzhou, Shenzhen, Zhanjiang, Shantou, Nanning, Beihai, Wuzhou, Haikou,
Sanya
A moderate area of Kunming, Guiyang, Lijiang, Huize, Tengchong, Baoshan, Dali, Chuxiong, Qujing, Luxi Pingbian, Quang Nam, Xingyi, Dushan temperate regions
Ruili moderate zone B, Gengma, Lincang, Lancang and Simao, River City, Mengzi
Master Plan 3.1.3 buildings should be considered to reduce the heat island effect. Planning and building design should be the general plane
In favor of natural ventilation and sunshine in winter. The main building facing toward or should choose the best suitable towards this region, and
Should avoid winter Dominant wind direction.
3.1.4 Architectural design should follow the principle of priority of passive energy-saving measures, full use of natural lighting, natural ventilation,
Combined envelope insulation and shading measures to reduce the energy demand of the building.
3.1.5 Building compact body should be structured to avoid excessive unevenness change.
3.1.6 total construction graphic design and layout should rationally determine the energy equipment room location, shorten energy supply
Transmission distance. The same heat source engine room of public buildings should be at or near the centrally located heating load center position
Home.
3.2 Architectural Design
3.2.1 cold and cold areas in public buildings shape coefficient shall conform to Table 3.2.1.
Table 3.2.1 cold and cold regions Public Building Shape Coefficient
Single building area A (m2) building shape coefficient
300 \u003cA≤800 ≤0.50
A > 800 ≤0.40
3.2.2 Class A cold area of public buildings each single facade window wall area ratio (including light walls) are not more than
0.60; other areas of public buildings each Class A single window facade wall area ratio (including light walls) are not more than
0.70.
3.2.3 single facade window wall area ratio calculation shall meet the following requirements.
1 concave facade facing facade facing should they in computing;
Between 2 and exterior stairs and elevator outside the window shall be involved in the calculation;
3 convex top window, bottom and side walls of the outer wall area of the area should not be included;
4 When the exterior windows, exterior walls on the top and side of the opaque structure of the bay window, the window area should be window openings
Area calculation; when the bay window at the top and side light, translucent convex window area should be part of the actual area calculation.
3.2.4 Class A single public building facade window wall area ratio is less than 0.40, the transmittance of visible light transmissive material
Not less than 0.60; Class A single public building facade window wall area ratio of 0.40 or greater, the light-transmitting material
The visible light transmittance of not less than 0.40.
3.2.5 hot summer and warm in winter, hot in summer and cold in winter, temperate regions toward each building outside the window (including light walls) should be adopted
Take shade measures; cold regions construction should take shading measures. When external shading should be set in line with the following provisions.
1 things to the sun should set activities, should be set up outside the South to the level of shade;
2 Building exterior shading and ventilation devices shall take into account the winter sunshine.
3.2.6 Building facade facing the division shall meet the following requirements.
1 north to north west to north east 60 ゚ 60 ゚;
2 south to south west to south east 30 ゚ 30 ゚;
3 west to north west to south west 30 ゚ 60 ゚ (including the north west and south west 30 ゚ 60 ゚);
4 East to North East South East 30 ゚ to 60 ゚ (including North East 30 ゚ 60 ゚ south and east).
3.2.7 Class A translucent roof part of the area of public buildings should not exceed 20% of the total roof area. When it is not full
This section shall be sufficient, it must be weighed against the judgment by the method specified in this standard.
3.2.8 single facade exterior windows (including light walls) effective ventilation area should meet the following requirements.
1 Class A exterior windows of public buildings (including light walls) should be set for opening, effective ventilation surface
Volume of not less than 10% of the room where the exterior wall area; when the light walls by the conditions can not be set to open a window
When the fan should be set ventilation system.
2 B public buildings outside the window effective ventilation area should not be less than 30% of the window area.
3.2.9 outside the window (including light walls) effective ventilation area should be empty after the fan area and open the window open
The smaller air circulation area of the interface.
3.2.10 cold exterior door area buildings should be set to a door pocket; for the winter cold regions construction dominant wind outside the door
Should be set outside the door bucket or double doors, other doors exterior doors should set the bucket or should take other measures to reduce cold air infiltration
Shi; summer and cold winter, hot summer and warm winter outer door and moderate areas of the building insulation measures should be taken.
3.2.11 atrium should make full use of natural ventilation, mechanical ventilation system can be set up to strengthen the natural wind.
3.2.12 architectural design should take full advantage of natural light. Daylighting can not meet the lighting requirements of the places, should adopt
With a light guide, such as reflective means natural light into the room.
3.2.13 staff long-term stay in the room visible surface reflectance should conform to Table 3.2.13.
Table 3.2.13 room staff have long remained an inner surface of the visible light reflectance
Room surface locations visible light reflectance
Ceiling of 0.7 to 0.9
Wall 0.5-0.8
Ground 0.3 to 0.5
3.2.14 elevator should have energy-saving operation function. When two or more elevators centralized arrangement, the group should be set up and control measures.
Elevator should have no external call and inside the car for some time without preset instruction, automatically converted to energy-saving operation mode
Function.
3.2.15 escalators, moving walkways should have suspended the no-load or low-speed operation function.
3.3 thermal design envelope
3.3.1 According to the building thermal design of climate zoning, building envelope thermal performance of public buildings should be divided into Class A
Do not comply with the provisions of Table 3.3.1-1 to Table 3.3.1-6 of. When the provisions of this section are not met, according to the standard must be
The method prescribed to weigh judgment.
Table 3.3.1-1 cold A, Area B Class A common building envelope thermal performance limits
Shape coefficient ≤0.30 0.30 < shape coefficient ≤0.50 envelope parts
Heat transfer coefficient K [W/(m2 · K)]
Roof ≤0.28 ≤0.25
External walls (including non-translucent walls) ≤0.38 ≤0.35
Contact the bottom surface of the outdoor air overhead or overhanging floor ≤0.38 ≤0.35
Floor underground garage and heating room between ≤0.50 ≤0.50
Non-heating partition wall between the stairs and the heating room between ≤1.2 ≤1.2
Window wall area ratio ≤0.20 ≤2.7 ≤2.5
0.20 < window wall area ratio ≤0.30 ≤2.5 ≤2.3
0.30 < window wall area ratio ≤0.40 ≤2.2 ≤2.0
0.40 < window wall area ratio ≤0.50 ≤1.9 ≤1.7
0.50 < window wall area ratio ≤0.60 ≤1.6 ≤1.4
0.60 < window wall area ratio ≤0.70 ≤1.5 ≤1.4
0.70 < window wall area ratio ≤0.80 ≤1.4 ≤1.3
Single facade exterior windows
(Including light walls)
Window wall area ratio > 0.80 ≤1.3 ≤1.2
The transparent roof section (part of the transparent roof area ≤20%) ≤2.2
Envelope parts insulation material layer thermal resistance R [(m2 · K)/...
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