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Matrix Model was first introduced in 1850 by James Joseph Sylvester.
Matrix Model was invented in 1857/1858 by Cayley.
Risk assessment is the process of evaluating risks to worker’s safety and health, assets from workplace hazards. It is a systematic examination of all work that considers:
- What could cause injury or harm
- Whether the hazards could be eliminated and if not
- What preventive or protective measures are or should be in place to control the risks
What Is The Purpose Of A Risk Assessment?
Risk Assessments Objectives:
1. Identification Hazard
2. Conduct risk Assessment
3. Control
a) Eliminate
b) Replacement
c) Engineering work
d) Administrative work
e) PPE
4. Accept The Risk
A Simple Functional Framework
Function – 1
Following the Established Standards:
- Accord Standard
- Alliance Standard
- Fire Service Rules and Act
- Building Construction Act
- Labor Act
- Buyer Code of Conducts
- International Relevant Laws and Others Local Laws.
Function – 2
Develop “Check List” based on Function-1
|
Risk Assessment Checklist Parameter |
|
| General Risk | Training |
| Electrical Risk | Housekeeping |
| Chemical Risk | PPE |
| Machineries Risk | Documentation Risk |
Function – 3
- Identify the Fire Hazards
- Identify the People at Risk
- Evaluate the Hazards and Risk
- Record findings
- Review and Revise
Quantitative Risk Assessments Formula
Risk = Probability (P) x Consequence (C)
Risk Score = P x C
|
P |
C |
||
| Very low | 1 | Negligible | 1 |
| Low | 2 | Low | 2 |
| Moderate | 3 | Moderate | 3 |
| High | 4 | Severe | 4 |
| Very high | 5 | Catastrophic | 5 |
Risk Prioritization – Likelihood and Impact
Likelihood of a risk event occurring (P)
- Very High: is almost certain to occur = Point-5
- High: is likely to occur = Point-4
- Medium: is as likely as not to occur = Point-3
- Low: may occur occasionally = Point-2
- Very Low: Unlikely to occur = Point-1
Risk Impact (C)
- Very High: Ultimate threatens = Point-5
- High: Substantial impact on the, cost or safety = Point-4
- Medium: Notable impact on time, cost or safety = Point-3
- Low: Minor impact on time, cost or safety = Point-2
- Very Low: Negligible impact = Point-1
Risk Assessment Calculation Formula
Assessing The Risk Based On Matrix Model
Quantitative risk assessment involves making a formal judgment on the consequence and probability using:
Risk Assessment Example Event
General Risk Score
Electrical Risk Score
Chemical Risk Score
Machineries Risk Score
Training Risk Score
Housekeeping Risk Score
PPE Risk Score
Documentation Risk Score
Segment Wish Risk Condition
At a Glance Factory Risk Level
