Ukraine ДСН 3.3.6.042-99 (Chief State Sanitary Doctor, Постанова № 42, 1999-12-01) sets indoor workroom microclimate limits. Table 2 permissible warm-period ceiling by work category (light/moderate/heavy 28/27/26°C, permanent workstations); §2.9 general rest rule (>=10% per 2°C of excess, recommended 20% floor at RH>75%); Table 5 (§2.10) work/rest minute schedule for repair work inside heated production equipment, 28-40°C; Table 4 continuous IR-exposure/rest schedule above 350 W/m2 over >25% of body surface.
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No standalone formula is published for this standard; see programmable logic and parameters below.
With no workload supplied the engine applies the most protective 26°C heavy-work ceiling from Table 2. Readings above 40°C are floored to the 40°C row — DSN 3.3.6.042-99 defines nothing beyond it.
| Air temperature (°C) | Result |
|---|---|
| 22 | Air temperature at or below the 26°C permissible ceiling for heavy work (ДСН 3.3.6.042-99 Table 2) — no rest requirement triggered. |
| 23 | Air temperature at or below the 26°C permissible ceiling for heavy work (ДСН 3.3.6.042-99 Table 2) — no rest requirement triggered. |
| 24 | Air temperature at or below the 26°C permissible ceiling for heavy work (ДСН 3.3.6.042-99 Table 2) — no rest requirement triggered. |
| 25 | Air temperature at or below the 26°C permissible ceiling for heavy work (ДСН 3.3.6.042-99 Table 2) — no rest requirement triggered. |
| 26 | Air temperature at or below the 26°C permissible ceiling for heavy work (ДСН 3.3.6.042-99 Table 2) — no rest requirement triggered. |
| 27 | 54 / 6 min work/rest per hr |
| 28 | 36 / 24 min work/rest per hr |
| 29 | 34 / 25 min work/rest per hr |
| 30 | 34 / 25 min work/rest per hr |
| 31 | 32 / 26 min work/rest per hr |
| 32 | 32 / 26 min work/rest per hr |
| 33 | 30 / 27 min work/rest per hr |
| 34 | 30 / 27 min work/rest per hr |
| 35 | 28 / 28 min work/rest per hr |
| 36 | 28 / 28 min work/rest per hr |
| 37 | 26 / 29 min work/rest per hr |
| 38 | 26 / 29 min work/rest per hr |
| 39 | 24 / 30 min work/rest per hr |
| 40 | 24 / 30 min work/rest per hr |
| 41 | 24 / 30 min work/rest per hr |
| 42 | 24 / 30 min work/rest per hr |
| Parameter | Value |
|---|---|
permissibleLightC | 28 |
permissibleModerateC | 27 |
permissibleHeavyC | 26 |
restPercentPer2CExcess | 10 |
highRhThresholdPercent | 75 |
highRhRecommendedRestPercent | 20 |
table5MinC | 28 |
table5MaxC | 40 |
Table 2/§2.9/Table 5/Table 4 values verified directly against the full primary text at zakon.rada.gov.ua/rada/show/va042282-99 this session (fetched and parsed verbatim, not summarized). Unverified claims from prior research ('>37°C dangerous/outdoor not recommended', '>=35°C outdoor 15-20 min cycles', '4-5 h/shift cap') do not appear anywhere in the primary text and are intentionally omitted.
Required inputs: airTempC
Optional inputs: workload, relativeHumidity, highRadiantHeat
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