A3: General Hazard

Question 1

What are some general laser hazards?

Answer 1

Electrical hazard, fire explosion and thermal hazard, harmful substance, physical hazard and computer software

Question 2

Electrical hazard risks and how to control in setting?

Answer 2

Risks:
- Electrocution
- Water contact with machine
- Damage to electrical cords and foot petals
- Fluctuation and interruption to electrical supply
- Electrical outage, storm or poor electrical wiring

Hazard control?
- Competent person: electrician check 6 monthly to yearly
- administrative control: tape damage electrical cords
- isolation control: wait for professional to observe

Question 3

Fire, Explosion and Thermal Hazard risks and how to control them?

Answer 3

Risks:
- flammable substance (room furnishing)
- excessive temperature
- explode machinery

Hazard control?
- Engineer control: Fire extinguisher and fire blankets located for ready use
- Fire checks:
- Fire detection and alarm systems: 6 monthly - yearly
- Portable fire extinguisher: 6 monthly - 5 yearly
- Fire blankets: 6 monthly

Question 4

Physical Hazard risks and how to control them?

Answer 4

• Slip and trips over equipment and machines
• Heated surfaces equipment = burn

Hazard control?
- Health and safety legislation
- Administrative control: house keeping
- Operator trained and education provided

Question 5

Computer Software risks and how to control them?

Answer 5

Risks:
- Error of light based machinery software
- Unpredictable outputs

Hazard control?
- Regular maintenance: regular testing of machines
- Risk assessments (review procedures and safe operation)