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Transcript of 8. Job Hazard Recognition and Control
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JOB HAZARDRECOGNITION,
EVALUATION &CONTROL
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Hazards that can lead
o acc en s an wor related illnesses.
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An accidentis the result of
contact of abody with a
energy abovethe threshold
limit of thatbody
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COMMON ACCIDENTS
Struck by
Struck against
Fall from a height
Caught in
Caught on
Electrocution Fall on same level Overload
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CAUSES OF ACCIDENTS
Unsafe Condition - seen as a physical or chemicalproperty in the material
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act of omission
act of commission
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Identif
Three Steps to Control Accidents &
Work-related illness:
Evaluate
Correct
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Inspection (Before) Investigation (After)
IDENTIFY THE HAZARD
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EVALUATE THEHAZARD
OSHA standards
TLV
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CORRECT THE HAZARD
Engineering Control Administrative Control
P r n l Pr t tiv E i m nt
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Eliminate or reduce the hazard by:
Initial design specification
Substitution
ENGINEERING METHODS
Isolation (Place) Ventilation, others . . .
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Control of employees exposure
Scheduled reduced work hours incontaminated areas
Increased breaks
ADMINISTRATIVE METHODS
SOPs Isolation (Time)
Medical Exams
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- barrier aids in controlling individual
PERSONAL PROTECTIVEEQUIPMENT
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The promotion and maintenance of thehighest degree of physical, mental and
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OCCUPATIONAL HEALTH
occupations
ILO/WHO 1950
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TYPES OF HAZARDS
Physical HazardsPhysical Hazards Chemical HazardsChemical Hazards
B o og ca Hazar sB o og ca Hazar s Ergonomic HazardsErgonomic Hazards
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PHYSICAL HAZARDS
Noise Vibration
Extremes Temperatures Too Much/Poor Illumination
High/Low Pressure
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CHEMICAL HAZARDS
Liquids Solids
Gas
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CHEMICAL HAZARDS
Routes of entry Inhalation
Dermal contact
Eye contamination
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ERGONOMIC HAZARDSERGONOMIC HAZARDS
Improper Tools and Equipment Design
Unnecessary/ Unusual Lifting orReaching
Stress at Work
Mismatch betweenThe worker & his work
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HAZARD RECOGNITIONHAZARD RECOGNITION
Visible dust clouds or fumes Eye or skin irritation on walkthrough Road excavation Change of nail polish Poor work practice
Poor plant layout Noontime sun Octopus connections
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WORK ENVIRONMENTMEASUREMENT (WEM)
of hazards, environmentalstresses and their
hazardous effects on the
workers health.
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PURPOSE OF WEM Determine the magnitude of harmful
environmental agents;
Predict the harmfulness of new facilities,processes and methods;
To monitor workers exposure to hazards;
Evaluate the effectiveness of control
measures adopted for improvement;
Maintain a favorable working condition.
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WORK ENVIRONMENTMEASURING INSTRUMENTS
NOISE Sound level meter, frequency analyzer.
LIGHT Luxmeter or Lightmeter
EXTREMES OF TEMPERATUTE Thermometer
RADIATION Film badge, Thermoluminiscencedetectors, Pocket dosimeter.
CHEMICAL AGENTS Gas and Vapor monitors.
BIOLOGIC AGENTS Microscope.
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WEM CONTROL METHODS
PPE Personal hygiene
Housekeeping
Substitution Changing the
process
aste sposa
Medical controls
Administrativecontrol
Wet methods
Local exhaustventilation
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