Хүдрийн далд уурхайн аюулгүй байдлын дүрэм (Safety Rules for Underground Ore Mines) para 104: where the workplace temperature by wet-bulb reading exceeds +28 °C, or is known to be about to, the employer must take special measures, in line with MNS ISO 7933:2015, to provide a healthy and safe working environment. Para 105: above +32 °C wet-bulb work is stopped; this does not apply to ventilation repair and mine rescue work.
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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.
| Parameter | Value |
|---|---|
measuresAboveWetBulbC | 28 |
stopAboveWetBulbC | 32 |
Programmable logic
wetBulbC > 32: work stops (para 105; ventilation repair and mine rescue excepted). Otherwise wetBulbC > 28: para 104 measures per MNS ISO 7933:2015. Exactly 28 or 32 does not trigger. The text does not say whether wet-bulb is natural or psychrometric. Applies to underground ore mines (industry mining).
Required inputs: wetBulbC
Optional inputs: none
This standard was added to the calculator.
Get notified when Mongolia Underground Ore Mine Safety Rules (Хүдрийн далд уурхайн аюулгүй байдлын дүрэм) paras 104-105 — wet-bulb 28 °C measures, 32 °C stop work 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.