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Published byOwen Stewart Modified over 9 years ago
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1 Scaffolding Safety
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2 The Cost of Poor Scaffolding Safety Every year: 50 deaths 4,500 injuries 25% of injured workers had no safety training
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3 Types of Scaffolding: Supported One or more platforms braced by: –Beams –Brackets –Poles, or –Other rigid support Most common type of scaffolding
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4 Types of Scaffolding: Suspended Platforms suspended by ropes or cables from an overhead structure Two-point “swing stage” most common Used by window washers and in high-rise construction
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5 So What are the Hazards? Falls Collapses Struck-by injuries Electrocution
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6 Hazard #1: Falls Falls are the primary cause of fatalities How they happen: –Unstable working surfaces –Misuse of fall protection equipment –Human error
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7 Fall Safety Solutions Personal Fall System –Harness, attached by lanyard to lifeline –Must be fastened to a fixed safe point Guardrails, midrails, and toeboards –Installed along sides, ends of platforms –Has to withstand a force of at least 200 lbs. Screens, mesh, etc.
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8 Personal Fall Systems Above 6 feet Keeps both hands free Used when working near an open edge Slows speed, momentum if you fall
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9 Personal Fall Systems Key to safety: Inspection! Check your rescue line and hooks for damage Is your weight system certified?
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10 Guardrail Systems Top rails: 39”-45” above walking level Midrails: Between top edge of guardrail and walking level Toeboards: Prevent equipment, materials from falling over edge Absolutely no rough/jagged surfaces!
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11 Hazard #2: Collapses Scaffolds collapse when the structure is: Unstable Overloaded When a scaffold collapses, safety’s compromised for everyone!
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12 Collapse Solutions: Inspections Key to safe scaffolding: Inspections Who does it: –Trained erectors/dismantlers –They are involved in pre-planning When it gets done: –Before every shift –After any damaging event
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13 Collapse Solutions: Inspections What goes into an inspection? –Power line position –Location of tools, materials –Can it handle the weight? The weather? –Footings –Foundations –Metal –Planks
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14 Hazard #3: Struck-bys Falling/flying objects a risk for anyone underneath scaffolding Dropped tools/equipment; debris from pushing, pulling, prying Unstable objects: boxes, barrels, bricks Result: Minor abrasions, concussions, even death
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15 Solutions: Overhead and Underneath If you’re overhead: –Secure materials –Post warning signs; put up barricades –Use debris nets If you’re underneath: –Avoid being underneath –Wear your hard hat
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16 Summary Wear personal fall protection Set up guardrails Regularly inspect scaffolds Keep equipment secure Post warning signs Wear your hard hat Report any hazard you see
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