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Germany ASR A3.5 Room Temperature Rule — Heat Stress Control Measures

Germany ASR A3.5 room-temperature rule for indoor workplaces and work rooms.

Open Germany ASR A3.5 Room Temperature Rule in the interactive Guidance Wiki →

Authority
BAuA / Germany Federal Ministry of Labour and Social Affairs
Jurisdiction
Germany
Legal status
Technical Standard
Rule type
Control Overlay
Standard ID
HGC-029

Governing formula

No standalone formula is published for this standard; see programmable logic and parameters below.

Control measures

Table assumes indoor work — ASR A3.5 does not apply to outdoor work.

Indoor temperature (°C)Result
20Below 26°C summer-heat trigger
21Below 26°C summer-heat trigger
22Below 26°C summer-heat trigger
23Below 26°C summer-heat trigger
24Below 26°C summer-heat trigger
25Below 26°C summer-heat trigger
2626–29.9°C: additional measures recommended
2726–29.9°C: additional measures recommended
2826–29.9°C: additional measures recommended
2926–29.9°C: additional measures recommended
3030–34.9°C: effective measures required
3130–34.9°C: effective measures required
3230–34.9°C: effective measures required
3330–34.9°C: effective measures required
3430–34.9°C: effective measures required
35Stop work
36Stop work
37Stop work
38Stop work

Inputs

Required inputs: indoorTempC

Optional inputs: outdoor

Sources

Update history

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