Taiwan Article 303-1 outdoor heat-index 4-level control overlay operating alongside the Article 5 WBGT work/rest table.
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This rule has no numeric trigger the calculator evaluates — it states duties and control measures rather than a threshold a reading can be checked against. Its measures are listed below.
No standalone formula is published for this standard; see programmable logic and parameters below.
Programmable logic
Uses 4 heat-index levels (yellow/orange/red/purple) to apply escalating outdoor work controls from basic shade/water through mandatory hourly rest to outdoor work suspension. Specific heat-index thresholds from Table 3 PDF are approximate pending direct extraction.
This standard does not take WBGT as a required input, and publishes no standalone numeric parameter table here; see the governing metric and programmable logic above, and the primary source below.
Required inputs: none
Optional inputs: heatIndexC, heatIndexF, airTempC, relativeHumidity
This standard was added to the calculator.
Get notified when Taiwan Article 303-1 Heat-Index Control Overlay changes — threshold changes, scope and legal-status changes, additions and removals. Changes that permit more heat exposure than before are labelled as such.
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If a threshold, trigger, exemption, date or duty here disagrees with the governing text, tell us and point at the section. The form arrives with this standard already named, and a correction is checked against the same primary document it was encoded from.