Work in a Contaminated or Flammable Atmosphere
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Work in an area that may have a contaminated or flammable atmosphere is high risk construction work needing a SWMS, because of the risk of poisoning, asphyxiation, fire, or explosion.
Why this is high risk construction work
You cannot see most hazardous atmospheres, and ignition or a breath of toxic gas is enough to injure or kill. Monitoring and ventilation are the difference between safe and fatal.
Because it is one of the 18 high risk construction work categories, a SWMS is legally required before the work starts (your state's WHS Regulations, provision 299; s 299 in NSW), not a nice-to-have.
The controls a SWMS should set out
In hierarchy of controls order, highest first:
- ✓ Atmospheric testing before and during work
- ✓ Ventilation to keep contaminants and flammables below action levels
- ✓ Remove or control ignition sources where flammables are possible
- ✓ RPE selected for the specific contaminant
- ✓ Emergency evacuation and rescue procedures
Trades that do this work
These trades commonly need a SWMS for this category. Each has a trade-specific SWMS:
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with a Risk of Falling More Than 2 Metreson a Telecommunication TowerDemolition of a Load-Bearing StructureLikely to Disturb AsbestosStructural Alterations Requiring Temporary SupportIn or Near a Confined SpaceAll 18 categories