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CONSTRUCTION SITE SAFETY
An office worker’s overview of construction site hazards
May 20, 2009 J. Manning
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HAZARDSHAZARDS
• Physical hazards (slips, trips, falls, falling objects, pinch points and snags)
• Hazardous substances
• Environmental (Heat/cold, Noise)
• Machinery and tools
• Confined spaces
• H2S (Hydrogen Sulfide)
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Identification of hazardsIdentification of hazards
• FLRA (Field Level Risk Assessment)
A way to manage risks and hazard on the job as per the Construction Owner’s Association of Alberta.– Identify hazard– Assess the risks– Control the risks
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Spot the hazards Spot the hazards Hint: there are at least 5Hint: there are at least 5
Open holeNot using railing/ladder
PPE not being used
Trip hazard
Confined space
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Physical hazardsPhysical hazards
• Slips, trips and falls: be aware of your surroundings, wear appropriate clothes/shoes/gear.
• Be aware of open holes and ditches. Areas marked “hole”.
• Stay fit, to be able to do the job.
• Falls: fall protection and fall protection training required (2m and above)
• Use a rope or hoist to carry tools up a ladder.
• Falling objects; be aware of people and objects above you.
• Pinch points: areas where you can get limbs or body parts caught. Snags: ensure clothing doesn’t get caught. Note: if you can’t see where you are putting a hand or foot, don’t put it there.
• Use rails and handholds
• Scaffolds: be aware of tagging. Red = don’t use, Yellow = caution, issues, Green = safe to use.
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Chemical hazardsChemical hazards
• Know your WHMIS symbols
• Follow directions, by supervisor and on the labels
• Use PPE
• Be mindful of spills
• Wash your hands before eating or smoking if you’ve been handling
chemicals.
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Environmental hazardsEnvironmental hazards
• Dress appropriately for work
• Know the signs of frost bite, hypothermia and hyperthermia
• Use noise protection PPE where appropriate (lawnmower level and above)
• If outdoors, get informed about the weather
• Be cautious around bodies of water
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Machinery and toolsMachinery and tools
• Be aware of your surroundings, wear traffic vests where appropriate.
• Watch out for the turning radiuses of large vehicles and swing radiuses of heavy machinery (cranes, backhoes etc.). Keep a line of sight and stay well back.
• Welding torches: don’t stare directly at them
• Be aware of hearing damage from loud machinery and tools
• Learn how to properly use tools before using them and the wear the appropriate PPE when around items such as: chain saws, power tools, welding torches, air tools and explosive charge tools.
• Special training for air tools, explosive charge and impact tools.
• Be aware of dangerous equipment. If it tagged, then don’t use. Be aware of equipment where safety guards have been removed, grounding pin has been removed or cords are frayed.
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Spot the hazards Spot the hazards Hint: there are at least 3Hint: there are at least 3
Falling object risk
Falling object risk
Not using fall protection PPE
No line of sight w/forklift driver
Pinch point
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Confined spacesConfined spaces
• Know what a confined space is.
• Be certified before entering a confined space
• If someone collapses for no reason, don’t immediately rush in after them in a confined space.
• PPE can include gas detectors and sometimes safety harnesses
• With excavations, there should always a second way out/ladder out.
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HH22S (Hydrogen sulfide)S (Hydrogen sulfide)
• Colorless, toxic and flammable gas that in low quantities can smell like rotten eggs. In high quantities, it is odourless.
• Heavier than air and tends to accumulate in confined spaces.
• Byproduct of oil/gas impurities, volcanoes, swamps and sewers.
• Can be found at wellsites, refineries, and in many areas oil/gas companies operate.
• Before working in areas where this gas is known to be present, H2S training is usually required. Ex: H2S Alive.
• PPE for H2S can include gas detectors and SCBA (self-contained breathing apparatus).
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Take awayTake away
THANK YOU FOR YOUR TIME.
• Be aware of your surroundings
• Conduct Field Level Risk Assessments. Identify hazards then eliminate, avoid or minimize them
• Get trained for the job and the jobsite hazards
• Wear PPE