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field level risk assessment - Construction Owners Association of ...

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Answers to Practice Case StudiesCase Study #1You are part <strong>of</strong> a two-person crew whose job it is to sort and shelve a variety <strong>of</strong> excessjob materials in a cold storage area. The top shelf is three meters above the floor. Some<strong>of</strong> the items are bulky. Some are heavy.Job Steps• Select correct ladder ( length, integrity, proper feet)• Sort articles to be lifted according to size and weight• Determine lifting method• Set ladder• Lift items to shelvesHazardsTraffic in area <strong>of</strong> work spaceSlippery floor causing ladder to slipLifting items to top shelf – muscle strain, dropping causing injury and breakageRisk AssessmentTraffic : low consequence X high probability = medium <strong>risk</strong>Slippery floor: medium consequence X medium probability = medium <strong>risk</strong>Lifting items: high consequence X high probability = high <strong>risk</strong>ControlsTraffic:Slippery floor:Lifting:BarricadesProper feet on ladder, tie <strong>of</strong>f rope at top <strong>of</strong> ladderUse proper methods: assess each item lifting only those that can belifted safely by one person, heavy or bulky items on the bottomshelf<strong>Construction</strong> <strong>Owners</strong> <strong>Association</strong> <strong>of</strong> Alberta 65

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