Thermal Work Limit model used in mining and heavy industry to estimate sustainable metabolic rate.
Browse all standards → · Evaluate every standard at once in the calculator →
The drag-to-check calculator needs JavaScript. Every value it can show is a row of the table below, which is computed by the same engine.
No standalone formula is published for this standard; see programmable logic and parameters below.
| TWL (W/m²) | Result |
|---|---|
| 80 | Stop work |
| 90 | Stop work |
| 100 | Stop work |
| 110 | Stop work |
| 120 | 45 / 15 min work/rest per hr |
| 130 | 45 / 15 min work/rest per hr |
| 140 | 60 / 0 min work/rest per hr |
| 150 | 60 / 0 min work/rest per hr |
| 160 | 60 / 0 min work/rest per hr |
| 170 | 60 / 0 min work/rest per hr |
| 180 | 60 / 0 min work/rest per hr |
| 190 | 60 / 0 min work/rest per hr |
| 200 | 60 / 0 min work/rest per hr |
| 210 | 60 / 0 min work/rest per hr |
| 220 | 60 / 0 min work/rest per hr |
| 230 | 60 / 0 min work/rest per hr |
| 240 | 60 / 0 min work/rest per hr |
| 250 | 60 / 0 min work/rest per hr |
| 260 | 60 / 0 min work/rest per hr |
Required inputs: twlWm2
Optional inputs: airTempC, wetBulbC, globeTempC, windSpeedMS, atmPressurehPa
This standard was added to the calculator.
Get notified when Australia Thermal Work Limit (TWL) changes — threshold changes, scope and legal-status changes, additions and removals. Changes that permit more heat exposure than before are labelled as such.
Paste this address into any feed reader:
https://heatrules.com/standards/australia_twl/feed.xml
Open the feed · All update feeds · No account or email address is needed; the site keeps no subscriber list.
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.