GB/T 36876-2018Hygienic requirements of lighting design and setting in primary and middle school (English PDF)
中小学校普通教室照明设计安装卫生要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 17, 2018
Implementation date
April 1, 2019
Scope
GB/T 36876-2018 is the English-translated version of 中小学校普通教室照明设计安装卫生要求.
GB/T 36876-2018 sets the hygiene requirements for lighting in the classrooms of primary and middle schools. It fixes the maintained average illuminance and the uniformity ratio on classroom desktops and on the blackboard, and refers to GB/T 5700 for how lighting is measured.
For classroom lighting it covers the luminaires, which must meet GB 7000.1, GB 7000.201 and GB/T 17743, their efficiency and unified glare rating, electronic ballasts, fluorescent light sources with their colour temperature and colour rendering index, and the installation, including lighting power density and the height of luminaires above the desks.
A further clause deals with the design and installation of blackboard lighting. It applies to ordinary primary and middle schools, and secondary vocational and technical schools may refer to it. It was issued on 17 September 2018 and has applied since 1 April 2019.
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Document preview — GB/T 36876-2018
National Standard of the People's Republic of China
- ICS
- 13.100
- Classification
- C 56
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword3
- 1 Scope4
- 2 Normative references4
- 3 Terms and definitions4
- 4 Hygienic requirements for classroom desktop and blackboard illuminance7
- 5 Hygienic requirements for classroom lighting design and installation7
- 6 Hygienic requirements for the design and installation of blackboard lighting10
1 Scope
This standard specifies the hygiene requirements for desktop and blackboard surface illuminance, the hygiene requirements for the design and installation of classroom lighting, the hygiene requirements for the design and installation of blackboard lighting in primary and middle school.
This standard applies to ordinary primary and middle schools. Secondary vocational schools and technical schools may refer to this standard.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated referenced documents, the latest version (including all amendments) applies to this document.
GB/T 5700 Measurement methods for lighting
GB 7000.1 Luminaires - Part 1: General requirements and tests
GB 7000.201 Luminaires - Part 2-1: Particular requirements - Fixed general purpose luminaires
GB 7793 Hygienic standard for day lighting and artificial lighting for middle and elementary school
GB/T 17743 Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
JGJ/T 119 Standard for terminology of architectural lighting
CIE 117 Discomfortable Glare in Interior Lighting
3 Terms and definitions
The terms and definitions defined in JGJ/T 119, as well as the following terms and definitions, apply to this document.
3.5 Unified glare rating
It is a psychological parameter, that measures the subjective reaction of discomfort caused by light emitted by lighting devices in an indoor visual environment to the human eye. Its value can be calculated according to the unified glare rating formula of the International Commission on Illuminance (CIE).
Note: Rewrite from JGJ/T 119-2008, definition 2.2.25.
3.6 Lighting power density
The actual power consumed by lighting per unit area (including light sources, ballasts or transformers, etc.), in watts per square meter (W/m2).
3.7 Maintained average illuminance
The average illuminance on the specified surface shall not be lower than this value.
It is the average illuminance on a specified surface at the time when the lighting device must be maintained.
Note: Rewrite from JGJ/T 119-2008, definition 3.2.8.
3.8 Uniformity ratio of luminance
The ratio of minimum illuminance to average illuminance on a specified surface.
Note: Rewrite from JGJ/T 119-2008, definition 3.2.10.
3.9 Direct glare
Glare produced by luminous objects in the field of vision, especially close to the line of sight.
4 Hygienic requirements for classroom desktop and blackboard illuminance
4.1 The maintained average illuminance of classroom desktop is not less than 300 lx; the uniformity ratio of luminance is not less than 0.7.
4.2 The maintained average illuminance of classroom blackboard is not less than 500 lx; the uniformity ratio of luminance is not less than 0.8.
4.3 The classroom lighting measurement method shall be implemented in accordance with GB/T 5700.
5 Hygienic requirements for classroom lighting design and installation
5.1 Luminaires
5.1.1 It shall comply with the requirements of GB 7000.1, GB 7000.201, GB/T 17743.
5.1.2 Suspended grille luminaires should be used; the luminaire efficiency shall not be less than 60%.
5.1.3 The unified glare rating (UGR) should not be greater than 19. The calculation method of the unified glare rating (UGR) is implemented in accordance with CIE 117.
5.2 Ballast
Electronic ballasts shall be used.
5.3 Light source
It should use narrow tube-shaped rare earth three-primary color fluorescent luminaires, which have a color temperature of 3300 K ~ 5300 K, a color rendering index of not less than 80, less than 26 mm. It should be replaced uniformly according to the design life of the light source.
5.4 Installation
Use the hanging rod installation method and distribute it evenly in the longitudinal direction of the classroom (the long axis of the luminaires is perpendicular to the blackboard). The lighting power density of the classroom shall not be higher than 11 W/m²; it should be lower than 9 W/m² in areas where conditions permit. The vertical distance (g) between the luminaire and the desk shall not be less than 1700 mm, see Figure 1. […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 5700Methods of lighting measurement
- GB 7000.1Luminaires -- Part 1: General requirements and tests
- GB 7793Hygienic standard for day lighting and artificial lighting for middle and elementary school
- GB/T 17743Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
- JGJ/T 119Standard for terminology of architectural lighting
GB 7000.201
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Related Standards
GB 7000.1-2015 — Luminaires -- Part 1: General requirements and tests
GB 7000.19-2005 — Safety requirements for photo and film luminaires (non-professional)
GB 7793-2010 — Hygienic standard for day lighting and Artificial lighting for middle and elementary school
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