1 Scope
This standard specifies the classification of the heat intensity of hot work environment and the limits of allowable continuous heat exposure time and rest time for the ones working in hot environments.
This standard is applicable to the multi-level management of occupational safety and health for hot environment work. The limits of allowable continuous heat exposure time are applicable to general indoor hot environment work.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification of Working in the Hot Environment
5 Limits of Allowable Continuous Heat Exposure Time in Hot Environment
Appendix A (Normative) Measurement and Calculation Method of WBGT-indexes
Appendix B (Normative) Measurement and Calculation of the Working Time Exposed in Hot Environment
Appendix C (Normative) Determination of Work Site Temperature, Labor Intensity, and Air Humidity
1 Scope
This standard specifies the classification of the heat intensity of hot work environment and the limits of allowable continuous heat exposure time and rest time for the ones working in hot environments.
This standard is applicable to the multi-level management of occupational safety and health for hot environment work. The limits of allowable continuous heat exposure time are applicable to general indoor hot environment work.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
Contents of GB/T 4200-2008
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification of Working in the Hot Environment
5 Limits of Allowable Continuous Heat Exposure Time in Hot Environment
Appendix A (Normative) Measurement and Calculation Method of WBGT-indexes
Appendix B (Normative) Measurement and Calculation of the Working Time Exposed in Hot Environment
Appendix C (Normative) Determination of Work Site Temperature, Labor Intensity, and Air Humidity
