Noise hazard/Impact of noise:-

• Hearing impairment
• Tinnitus
• Hypertension
• Heart diseases
• Sleep disturbance
• Headache
• Blurred vision
• Increase in blood pressure
• Vomiting
• Tiredness

Note:- Acceptable noise for 8 hours :- 85 db.

Controlling measures :-

1. Engineering control:-

• Enclosed of noisy machinery with sound absorbing material.
• Avoid metal to metal impact , use rubber.
• Silencer, conveyors,
• Sound absorption celing.
• Regular maintenance of machines.
• Replacing and repair loose rotating parts.
• Applying lubricant like greased.

2. Administrative control :-

• Identify noisy areas and place sing.
• Provide rest break away from noisy work environment.
• Provide sufficient training, instructions.
• Ear protection PPE.
• Minimize the individual working in noisy area.
• Limit the work area.