Occupational Health, Safety and Environmental Practices
This domain of the CTVET Ghana Certificate II in Auto Body Repair and Spraying tests your ability to spot workshop hazards, apply the right controls, use PPE correctly and dispose of waste without harming people or the environment. Exam questions are usually scenario-based: a technician is spraying, grinding or handling thinner, and you must choose the safest and most compliant action.
Core rules
- Carry out a risk assessment before every task. Identify the hazard, who could be harmed, the likelihood and severity, then apply the hierarchy of control: eliminate, substitute, use engineering controls, then administrative controls, with PPE as the last line of defence.
- Keep a safety data sheet (SDS) for every chemical and read it before decanting. Never store solvents in unlabelled bottles; keep original labels and close containers when not in use.
- Control vapour and dust at source. Use booth extraction and local exhaust ventilation, and check filters and airflow. Two-pack paints containing isocyanates require an air-fed respirator, not a dust mask.
- Respect fire classes. Flammable liquids need the correct extinguisher; never use water on electrical equipment. Keep extinguishers inspected, clear escape routes and use a hot-work permit for welding or grinding near paint.
- Control electricity and manual handling. Use RCD protection, keep cables off wet floors, lock off equipment before maintenance, and team-lift heavy panels.
- Segregate waste: solvent waste, used filters, absorbents, empty tins and contaminated PPE go into labelled containers. Never pour thinners down drains; follow Ghana EPA and local authority requirements.
- Provide eyewash, spill kits and first-aid arrangements, and report near misses as well as injuries.
Worked example
A technician pours thinner into an unmarked drink bottle and leaves it on the bench. The correct answer is not simply 'wear gloves'. The hazard is accidental ingestion and fire; the control is to stop decanting into food containers, use a labelled solvent container, store it in the flammable store, brief the team and report the breach.
Traps that cost marks
Treating PPE as the only control; reusing a disposable dust mask; assuming a smell-free area is safe; mixing solvent waste with general rubbish; and ignoring near misses because no one was hurt.