5/28/2018 TASK RISK ASSESSMENT FOR RADIOGRAPHY

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Risk Assessment Form

Date:

Task Description: Radiography - Gamma ray (Iridium 192 & Selenium 75)

Hazard IdentifiedHazard Effect

(without controls)Risk Evaluation (without

controls)Control Measures

Type of injury, damage orenvironmental impact

Refer to Risk LevelMatrix What must be in place to adequately manage risk

Sev. Prob. Risk

Radiation

Biological changes in

humansRadiation InjuryRadiation sickness S

erio

us

VeryL

ikely

Hig

h

Approved procedures for Operating andEmergency Planning in place, available and understood.

Radiation monitoring devices available with crew. (Survey meter, Bleeper,

Dosimeter)

Ensure Permits in place. Isotope handled and stored correctly

Erection of proper barricade, warning signs and constant monitoring.

Emergency took kit available at site Toolbox talks prior to start of work

Transportation of isotopes in approved vehicles. Report any malfunction ofequipment promptly

Use collimator wherever feasible Controlled area established as safe levels

5/28/2018 TASK RISK ASSESSMENT FOR RADIOGRAPHY

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Risk Assessment Form

#

Job Step

Sequence ofworking activities

Hazard

The potential

to cause harm

(Health,

Injury,Property

damage,

environment

etc)

CAUSE

(Possible causes

that willpotentially

release a hazard)

Consequences

(The harmwhich could

possibly occur).

Potential

Risk

H / M / L(With no

controls in

place)

Existing Barrier / Control

Describe all existing barriers /controls for each hazard

Recommended

Controls

Residual

Risk

H / M / L(with

controls in

place

1. Mobilization ofcrew andTransportationof RadioactiveIsotope

Personnelbeing runover orstruck bymovingvehiclesCollision

withexistingfacilitiesand assetsRun awayvehicleIsotopesource

UncontrolledvehiclemovementUsingunauthorisedrouteMechanical

failure.IncompetentDriverDamagesourceprotection

FatalityPersonalInjuryProperty/Assetdamage

HFollow RadiationTransportation Procedureroad safety requirementsApproved vehicles to beused.Flasher warning lights and

isotope cards to be displayedin rear & both side of thevehicle when carrying radiationsource.

Approved EmergencyProcedures in placeEngage Hand brakeswhile parking.Ensure vehicles andequipment will remainat safe working

distance from livepipelines.Approved mandatoryPPE should be worn byall crew members.

L

2. Setup ofEquipment(Isotope

equipment &accessories)

Falling ofEquipmentSlip & Trip

Isotopesource

ImproperhandlingPoor house

keepingMaterials onwalk waysUneven

ground

PersonalinjuryEquipment

damaged

H TBT to be conducted prior tothe beginning of each shift.

Proper manual handling

procedure to be followed.Check equipment is in goodworking order

Use necessary PPE (Handgloves, safety shoes, etc.)

Only authorized personnelshall be allowed to handle &setup the equipment

Approved EmergencyProcedureProvide good house

keepingMaintain propercommunicationBefore starting the

work, level the workingarea.

L

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Risk Assessment Form

3. RadiographicTesting(Use ofRadiographicSource)

Exposureto ionizingradiation

IncompetenttechniciansUnauthorizedentry

Personalinjury

M PermitsDaily personnel dose log to bemaintained and closelymonitoredRadiation area shall be

checked to avoid any activitiesThe area around theradiography activity must bebarricaded according to thecalculated distance.Warning signs shall beprovided on all sides.All technicians in the crewshall wear their personal TLDbadges and dosimeters.

Emergency equipmentmust be available atsiteEmergency Contactnumbers must be

available at siteensure that no otherwork is being carriedout within the affectedradiation zone.

L

4 RadiographyWorking at

Night(Subjectto clientApproval.)

Slip & Trip.Exposure

to IonizingRadiation.Night work/driving.

Poorhousekeeping

unauthorizedentry.IncompetenttechniciansPoor Lighting.

Fatality/Personal

injuryEquipmentdamaged.

H Permits if any to be obtainedDisplay sign boards &

flickering lamps.Provide safe accessRadiography to be confined inthe barricaded area.Use full PPE.Road safety requirement.Radiation area shall bechecked to avoid any adjacentactivities.Provide sufficient light.Work area to be barricadedproperly.Provide flashing lights for roadaccess.

Flashing lights aredisplayed at all sides.

Emergency equipmentmust be available atsiteEmergency contactnumbers must beavailable at site.Ensure no other workbeing carried out withinthe affected zone.Engage hand breakswhile parking.Break time provided.Keep safe distance asper the curie used.

L

5 Driving atNight

Visibilitylow due todarknessLess Trafficon the roadfor helpandsupport.Possibilityof fog/poor

Poor visibilitySand StormFogExtreme highTemperature& humidity

PersonalinjuryProperty/Asset Vehicledamage

M Approved communicationsystem to be use inRoad safety requirement.Provide flashing lights for roadaccess.

Drive at reduce speed.Driver had enoughrest.Driver is familiar withthe road.Vehicle should besuitable for the journey.No deviation from theapproved road.Speed limit shall be

L

5/28/2018 TASK RISK ASSESSMENT FOR RADIOGRAPHY

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Risk Assessment Form

visibility. followed. slow downwhen approachingpipeline crossings,Communication MeansSufficient drinking

water for crewsExtra care is to takewhilst driving on gatchroad during inclementweather conditions.

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Risk Assessment Form

RISK ASSESSMENT MATRIX

Probability

Severity Very Likely Likely Unlikely Highly Unlikely

Catastrophic HIGH HIGH HIGH MED.

Serious HIGH HIGH MED. MED.

Slight HIGH MED. MED. LOW

Minimal MED. MED. LOW LOW