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Bus 315

Bus 315. Hazard Identification Risk Assessment and Control. Hazard and Risk. A hazard is a thing or condition that may expose a person to a risk of injury or occupational disease. Risk is the likelihood that the hazard may lead to injury/ disease. Risk Control.

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Bus 315

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  1. Bus 315 Hazard Identification Risk Assessment and Control

  2. Hazard and Risk • A hazard is a thing or condition that may expose a person to a risk of injury or occupational disease. • Risk is the likelihood that the hazard may lead to injury/ disease.

  3. Risk Control Risk Control is a process to … • Plan • Implement • Evaluate Control measures that provide the greatest level of protection to workers by eliminating hazard or reducing risk as much as is practicable.

  4. HAZARDS What are the hazards associated with the task? CONSEQUENCES What are the most probable results of injury/ disease due to the hazard EXPOSURE How often are workers exposed to the hazard that could result in injury/ disease PROBABILITY What is the likelihood that the hazard will lead to the most likely consequence? Basic Elements of RiskAssessment IDENTIFY ASSESS

  5. Consequences LevelRating Numerous fatalities; extensive damage (over $1,000,000); major disruption 100 Several fatalities; damage $500,000 to $999,999 75 Fatality; damage $100,000 to $499,999 50 Extremely serious injury/ disease (permanent disability); damage $1,000 to $99,999 30 Disabling injuries, reversible tissue damage; damage up to $999 10 Minor cuts, bruises, irritations; minor damage 2 Severity of Consequence:

  6. Exposure LevelRating Continuously (or many times daily) 10 Frequently (approximately once daily) 6 Usually (from once per week to once per month) 3 Occasionally (from once per month to once per year) 2 Rarely (it has been known to occur) 1 Very rarely (not known to have occurred, but considered remotely possible) 0.5 The worker is exposed to the hazard ...

  7. Probability LevelRating Are the most likely & expected result.10 Are quite possible, would not be unusual, having a 50/50 chance. 6 Would be an unusual sequence or coincidence.3 Would be a remotely possible coincidence. It has been known, however, to have happened. 1 Would be extremely remote but conceivably possible Has never happened after many years of exposure. 0.5 Would be practically impossible: a “one in a million” possibility. Has never happened despite exposure over many years. 0.1 The injury/ disease and the determined consequences ...

  8. Quantifying the Risk R = C x E x P where R = Risk Score C = Consequences Rating E = Exposure Rating P = Probability Rating

  9. “Practicable” • Practicable - that which is reasonably capable of being done, e.g., • Section 11.2 (2)The employer must ensure that guardrails meeting the requirements of Part 4 or other similar means of fall restraint are used when practicable. • Section 12.6 A guard must be designed, where, practicable, to allow lubricant and routine maintenance without removal of the guard.

  10. 1. Can the hazard be eliminated? 2. Can substitution produce a less hazardous situation? 3. Can an engineering control be used? 4. Can an administrative control be used? 5. Can personal protective equipment be used? Risk ControlPlanning Hierarchy

  11. Elimination • Eliminate the hazard or the task. • Consider: • Can the task be avoided? Does the task need to be done to achieve the desired result? • Can the hazardous part of the task be removed? • Can it be done in a way so workers are not exposed to the hazard?

  12. Substitution • Change • Consider: • Can a different machine or tool be used? • Can less hazardous materials or chemicals be substituted to reduce risk? • Can different work practices be developed to reduce exposure to hazard?

  13. Engineering Controls • Re-design layout arrangements, workstations, equipment, materials, production facilities or other aspects of the physical work environment. • Consider: • Can the hazard be controlled at its source (e.g. local ventilation)? • Can the hazard be enclosed (e.g. noise control)? • Can a physical barrier be provided (e.g. guarding)?

  14. Administrative Controls • Manage work processes and resources in the workplace, including planning, organizing, scheduling, staffing, and coordinating. • Consider: • Can work be scheduled to reduce individual exposure, (e.g., providing regular breaks, rotating work assignments)? • Can the workplace be reorganized to provide distance between the hazard and the workers? • Can susceptible workers (e.g., to certain chemicals) be transferred to other duties?

  15. PersonalProtective Equipment • PPE is only to be used when all other methods of eliminating, reducing or controlling risk are not practicable. • Consider: • Is PPE provided? • Are training and safe work procedures required and available?

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