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 ANALYZING HAZARDSTopic 5

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Hazard Analysis

• Analysis used in the workplace to

identify potential hazards with

objective to prevent accident

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WHAT IS HAZARDS

• A hazard is any source of potential damage, harm or

adverse health effects on something or someone under

certain conditions at work.

• Basically, a hazard can cause harm or adverse effects (to

individuals as health effects or to organizations as

property or equipment losses).

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1) Root Cause Analysis (RCA)

• Suitable for accident

with many potential

cause

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Three Type of Root Cause Analysis

Root Cause Analysis

Direct Cause

EnergySources

HazardousMaterial

IndirectCause

Unsafe Act

UnsafeCondiition

Policies andProcedure

PersonalFactors

EnvironmentalFactors

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5 Phase of RCA

Phase 1

DataCollection

Phase 2 Assesmen

t

Phase 3

Corrective Action

Phase 4

Informing

Phase 5

Follow Up

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2) Change Analysis

• An investigating method used in problem-

solving and determining the cause of

accident

• Analysis based on comparing situation that

does not exibit a problem to one that does.

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7 Steps of Changes Analysis

Step 1• Define Problem. What Happened?

Step 2• Establish the norm  – What should have happened?

Step 3•

Identify, locate and decribe the changes –

 what, where, when, to what extend?

Step4• Specify what and what was not effected

Step 5• Identify the distintive features of the changes

Step 6• List the possible causes

Step 7• Select the most likely causes

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Consideration

• Single accurance

• Focus on element of factors changes

•

Used of 5W (what, where, who, why andwhen) and 1 H (how).

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Job Hazard Analysis

• AKA Job Safety Analysis

• Analysis of work process in detail by analysisng the

process step-bey step to identify protential hazard.

Key Job StepsTools

equipment or

Material used

Potential Healthor Injury

Hazards toWorkers

PotentialHazard to

System

Recommendation for Workers

Protection

SystemCounter

Measures

Steps and Component JHA

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Risk Vs Cost

Risk Assesment Factor = Consecuences x Exposure x Probability

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The RISK Scoring Table

Risk Assessment Factor = Consequences x Exposure x Probability

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Justification = Amount of fix or removal x Cost of fix or removal

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Cost Avoidance•

Cost comparison will be consider before invest into changes• May or May not siginificant to Risk or Hazards

RTF  – Run to failure

PdM  – Predictive mantainance

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