GB/T 17226-2017 in English
VALIDHygienic requirements of classroom ventilation in middle and elementary school
- Issued on:2017-11-01
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$68.00
《GB/T 17226-2017中小学校教室换气卫生要求》由628（国家疾病预防控制局）归口，主管部门为国家疾病预防控制局。
Introduction
1. Background and significance of standard formulation
GB/T 17226-2017 "Ventilation Hygiene Requirements for Primary and Secondary School Classrooms" is an important standard for air quality and ventilation methods in primary and secondary school classrooms in my country, aiming to ensure that students learn and grow in a healthy and comfortable learning environment. This standard replaces the old version of the standard in 1998 and comprehensively optimizes key technical indicators such as carbon dioxide concentration, necessary ventilation volume and ventilation methods in classrooms.
2. Comparison table of standard frameworks
| Standard dimensions | Old version GB/T 17226-1998 | New version GB/T 17226-2017 |
|---|---|---|
| Carbon dioxide concentration requirements | Daily average maximum allowable concentration ≤0.10% | Daily average maximum allowable concentration remains ≤0.10%, but a measurement method has been added |
| Necessary ventilation volume | The uniform requirement is 20 m³/(h·person) | By age of students: primary school students ≥20 m³/(h·person), junior high school students ≥25 m³/(h·person), high school students ≥32 m³/(h·person) |
| Ventilation method | No clear zoning regulations | Natural ventilation is preferred in non-severe cold and non-cold areas in winter; severe cold and cold areas must comply with the provisions of GB 50099 |
3. Implementation suggestions
Case analysis:A middle school significantly improved the classroom air quality in the cold season by implementing the new standard and combining natural ventilation with mechanical ventilation. The school arranges a dedicated person to be responsible for ventilation every day and ensures adequate ventilation during breaks.
Optimization suggestions
- Regular monitoring:Schools should regularly test the carbon dioxide concentration in classrooms to ensure that it meets the standard requirements.
- Enhance ventilation:In non-severely cold areas, natural ventilation is preferred; in cold areas, reasonable use of air windows and doors for ventilation.
- Equipment maintenance:Inspect the ventilation facilities in the classroom to ensure their normal operation and clean the filters regularly.
- Training and publicity:Provide health education to teachers and students to raise awareness of the importance of air quality.
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