CSCS Health & Safety Test· CSCS / CITB
The main dangers of working in a confined space (such as a tank or deep manhole) include:
Choices
- AOnly the risk of getting dirty
- BLack of oxygen and the build-up of toxic or flammable gasesCorrect
- CToo much natural light
- DExcessive ventilation
Answer
Lack of oxygen and the build-up of toxic or flammable gases
Confined spaces can have too little oxygen or a build-up of toxic or flammable gas. Entry requires a permit, atmosphere testing, controls, and a rescue plan under the Confined Spaces Regulations 1997.
Practice the full CSCS Health & Safety Test
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