Information provide by HSE Website
Indoor Workplaces
You must provide: a reasonable working temperature in workrooms usually at least 16°C, or 13°C for strenuous work (unless other laws require lower temperatures); local heating or cooling where a comfortable temperature cannot be maintained throughout each work room (e.g. hot and cold processes); thermal clothing and rest facilities where necessary, e.g. for ‘hot work’ or cold stores; heating systems which do not give off dangerous or offensive levels of fume into the workplace sufficient space in work rooms.
The Workplace (Health, Safety and Welfare) Regulations 1992 lay down particular requirements for most aspects of the working environment Regulation 7 of these Regulations deals specifically with the temperature in indoor workplace and states that: During working hours, the temperature in all workplaces inside buildings shall be reasonable.
However, the application of the regulation depends on the nature of the workplace i.e. a bakery, a cold store, an office, a warehouse.
The associated ACOP goes on to explain: The temperature in workrooms should provide reasonable comfort without the need for special clothing. Where such a temperature is impractical because of hot or cold processes, all reasonable steps should be taken to achieve a temperature which is as close as possible to comfortable. 'Workroom' means a room where people normally work for more than short periods.
The temperature in workrooms should normally be at least 16° Celsius unless much of the work involves severe physical effort in which case the temperature should be at least 13° Celsius. These temperatures may not, however, ensure reasonable comfort, depending on other factors such as air movement and relative humidity.
Where the temperature in a workroom would otherwise be uncomfortably high, for example because of hot processes or the design of the building, all reasonable steps should be taken to achieve a reasonably comfortable temperature, for example by: insulating hot plants or pipes; providing air-cooling plant; shading windows; siting workstations away from places subject to radiant heat.
Where a reasonably comfortable temperature cannot be achieved throughout a workroom, local cooling should be provided. In extremely hot weather fans and increased ventilation may be used instead of local cooling.
Where, despite the provision of local cooling, workers are exposed to temperatures which do not give reasonable comfort, suitable protective clothing and rest facilities should be provided. Where practical there should be systems of work (for example, task rotation) to ensure that the length of time for which individual workers are exposed to uncomfortable temperatures is limited.
References
L24, Workplace health, safety and welfare, (ISBN 0717604136 - available from HSE Books)
The HSE guidance publication, Thermal Comfort in the Workplace, seeks to define thermal comfort, and states:'An acceptable zone of thermal comfort for most people in the UK lies roughly between 13°C (56°F) and 30°C (86°F), with acceptable temperatures for more strenuous work activities concentrated towards the bottom end of the range, and more sedentary activities towards the higher end.'
HSG194, Thermal Comfort in the Workplace, (ISBN 0717624684 - available from HSE Books)
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