Order of the North-Rhine Westphalia Divisional Mining Office concerning health protection against climatic effects in coal mines (Climate Order) Jurisdiction Germany - North Rhine-Westphalia Year 1977 Published in German Original/other title [German] Bergverordnung des Landesoberbergamtes Nordrhein-Westfalen zum Schutz der Gesundheit gegen Klimaeinwirkungen im Steinkohlenbergbau (Klimaverordnung) Source Landesoberbergamt Nordrhein-Westfalen, Postfach, 4600 Dortmund, Germany (Fed.Rep.), 3 Feb. 1977. 8p. Illus. Descriptors [Primary] Germany (Federal Republic of), coal mining, hot workplaces, microclimate [Secondary] North Rhine-Westphalia, climatic measurement, heat acclimatization, law, medical supervision, permissible effective temperature, protection against heat, underground work Subject category Physical hazards Abstract These regulations applicable to underground coal mines (entry into force: 1 Mar. 1977) prohibit all work at an effective temperature (ET) above 32°C and lay down maximum daily working hours above a dry-bulb temperature (DBT) of 28°C (6h) or ET of 29°C (5h). Other articles relate to special heat protective measures and acclimatisation to work at ET above 29°C, determination of climatic values and medical surveillance of miners working at DBT above 28°C or ET above 29°C. CIS No. 78-704 Database ID 29016