GB/T 50034: Evolution and historical versions
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Standard similar to GB/T 50034-2024 GB/T 50082 GB/T 50027 Basic data | Standard ID | GB/T 50034-2024 (GB/T50034-2024) | | Description (Translated English) | (Architectural lighting design standards (with clause explanations)) | | Sector / Industry | National Standard (Recommended) | | Word Count Estimation | 158,168 | | Date of Issue | 2024-03-12 | | Date of Implementation | 2024-08-01 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation | GB 50034-2013: Standard for lighting design of 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.
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
P GB 50034-2013
Standard for Lighting Design of Buildings
Issued on: NOVEMBER 29, 2013
Implemented on: JUNE 1, 2014
Jointly Issued by the Ministry of Housing and Urban-Rural Development
(MOHURD) and the General Administration of Quality
Supervision, Inspection and Quarantine (AQSIQ) of the
People's Republic of China
Foreword
This standard is revised from the former standard of "Standard for Lighting Design of
Buildings" (GB 50034-2004) by China Academy of Building Research jointly with the
relevant organization according to the requirements of "Notification of Notice on Printing
Development and Revision Plan of National Engineering Construction Standards and Codes
in 2011" (JIANBIAO [2011], No. 17) issued by the Ministry of Housing and Urban-Rural
Development,
During the process of preparing this standard, the standard drafting group, through
extensive investigation, careful summarization of practical experience, reference to relevant
international and foreign advanced standards and on the basis of widely soliciting opinions,
finalizes this standard finally through review.
This standard includes 7 chapters and 2 appendixes with the main contents as follows.
general, terms and definitions, basic requirements, lighting quality and quantity, lighting
standard value, lighting energy conservation and lighting distribution and control etc.
The main technical contents revised in this standard are. the lighting power density limit
specified in former standard is modified; the lighting power density limit for public buildings
such as library, reading, exhibition, traffic and finance is supplemented; the service range of
incandescent lamp is more strictly restricted; the technical requirements for the light emitting
diode lamp applicable to indoor lighting is added; The lighting standard value for areas such
as science and technology hall, gallery, financial building, dormitory, senior housing and
apartment is supplemented; the control technology requirements for lighting energy
conservation is supplemented and improved; the method and scope for the glare assessment is
supplemented and improved and the name of public building is specified and unified.
The provisions printed in bold type in this standard are compulsory and must be enforced
strictly.
Ministry of Housing and Urban-Rural Development is in charge of the administration of
this standard and the explanation of the compulsory provisions; China Academy of Building
Research is responsible for the explanation of specific technical contents. Any opinion or
advice is kindly requested to be sent to China Academy of Building Research (Address.
No.30 North 3rd Ring East Road, Chaoyang District, Beijing, 100013, China).
Chief development organization. China Academy of Building Research
Participating development organizations.
Beijing Institute of Architectural Design
China Aviation Planning and Construction Development Co., Ltd.
China Architecture Design and Research Group
China Northeast Architecture Design and Research Institute Co., Ltd.
Northwestern Architectural Design Institute Co., Ltd.
East China Architectural Design & Research Institute Co., Ltd.
Guangzhou Design Institute
Southwestern Architectural Design Institute Co., Ltd.
China Electronics Engineering Design Institute (Beijing)
Philips (China) Investment Co., Ltd.
Contents
1 General ... 1
2 Terms ... 2
3 Basic Rules ... 6
4 Lighting Quality and Quantity ... 10
5. Standard Lighting Value ... 14
6. Lighting Energy Conservation... 40
7. Lighting Distribution and Control ... 48
Appendix A Unified Glare Rating (UGR) ... 51
Appendix B Glare Rating (GR) ... 56
Explanation of Wording in This Standard ... 57
List of Quoted Standards ... 58
Standard for Lighting Design of Buildings
1 General
1.0.1 This standard is established to implement the national laws & regulations and
technical & economic policies in architectural lighting design, to meet the building function
requirements so as to be conducive to economy and rationality manufacturing, working, study,
life and physical and mental health, to realize the advanced technology, economic rationality,
usage safety, energy conservation and environmental protection, maintenance convenience
and to improve the application of green lighting.
1.0.2 This standard is applicable to lighting design of constructed, renovated, extended and
decorative residential buildings, public and industrial buildings.
1.0.3 The architectural lighting design shall not only comply with the requirements of this
standard, but also comply with those in the current relevant ones of the nation.
2 Terms
2.0.1 Green lights
The lighting which can conserve energy, protect environment and physical and mental
health, and be beneficial to improve people's production, working, learning efficiency and
quality of life.
2.0.2 Visual task
The process to observe the detail and target presenting in front of the background during
work and activity.
2.0.3 Luminous flux
The derived luminous quantity according to the effect of radiation to standard luminance
observer, lm, 1lm=1cd·1lsr. As for photopicvision.
Ф=Km
)(
d e V(λ)dλ (2.0.3)
Where,
dФe(λ)/dλ - the spectrum distribution of radiation flux;
V(λ) - the spectrum (view) efficiency;
Km - the maximum of radiant spectrum (view) efficiency, lm/W. Under photopicvision
condition, Km=683 lm/W (λ=555nm).
2.0.4 Luminous intensity
The luminous intensity of luminophor in assigned direction is the quotient of the
luminous flux dФ transmitted within the solid angle element (dΩ) in this direction divided by
such solid angle element, namely the luminous flux of unit solid angle, cd, 1cd=1lm/sr.
2.0.5 Luminance
Calculated according to L=d2Ф/(dA·cosθ·dΩ), cd/m2.
Where,
dФ- the luminous flux transmitting from the light beam element of assigned point,
including those within the solid angle (dΩ) in assigned direction, lm;
dA- the sectional area of beam (including assigned point), m2;
θ- the included angle between normal line of beam section and beam direction.
2.0.6 Illuminance
The quotient of luminous flux (dФ) shooting on the surface element containing this point
divided by the area of this surface element, lx, 1lx=1lm/m2.
2.0.7 Average illuminance
The average illuminance value of all points on the specified surface.
2.0.8 Maintained average illuminance
The average illuminance on the specified surface where the lighting device must be
maintained.
2.0.9 Reference surface
The surface for measuring or specifying the illuminance.
2.0.10 Working plane
The plane for conducting work on its surface.
The luminous intensity value of light source or light fixture in each direction of space
represented by curve or table, it is also referred to light distribution.
2.0.29 Luminous efficacy of a light source
The quotient of luminous flux generated by light source divided by light source power,
hereinafter referred to as efficacy of light source, lm/W.
2.0.30 Luminaire efficiency
The ratio of total light flux emitted by the luminaire to those emitted by all light sources
in the luminaire under specified service conditions, which is also named as the light output
ratio of luminaire.
2.0.31 Luminaire efficacy
The ratio of total light flux emitted by luminaire to input power under specified service
conditions, lm/W.
2.0.32 Uniformity ratio of illuminance
The ratio of minimum illuminance to average illuminance on the specified surface, U0.
2.0.33 Glare
The comfortless sense or diminished capacity to observe detail or target due to unsuitable
luminance distribution or range in the view or in the presence of the violent contrast.
2.0.34 Direct glare
The glare particularly generated by luminophor close to sight line direction in the view.
2.0.35 Discomfort glare
The glare which may generate discomfort but will not reduce the visibility of visual
object.
2.0.36 Unified glare rating(UGR)
The psychological rating of human eye discomfort subjective response caused by the
light emitted from lighting device of indoor visual environment, which is measured by CIE
(International Commission on Illumination).
2.0.37 Glare rating(GR)
The psychological rating of human eye discomfort subjective response caused by the
light emitted from lighting device of sports venue and other outdoor yard, which is measured
by CIE (International Commission on Illumination).
2.0.38 Glare by reflection
The glare caused by the reflection in the view, particularly generated by reflection image
close to sight line direction.
2.0.39 Veiling reflection
The specular reflection of visual object, it r...
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