Scaffold Safety Part 2


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  • Scaffold Safety Part 2

    1. 1. Scaffold Safety PART 2 29 CFR 1926 Subpart L
    2. 2. Scaffold Load capacities <ul><li>It is crucial to stay within the scaffold’s load limits </li></ul><ul><li>Scaffolds must be designed by a qualified person </li></ul><ul><li>Scaffolds must be constructed and loaded in accordance with that design </li></ul>Access Safety Compliance Training, Inc.
    3. 3. Essential Elements of Safe Scaffold Construction <ul><ul><li>Use appropriate </li></ul></ul><ul><li>scaffold construction </li></ul><ul><li>methods </li></ul><ul><ul><li>Proper scaffold access </li></ul></ul><ul><ul><li>Properly use a </li></ul></ul><ul><li>competent person </li></ul><ul><ul><li>Scaffolds must be level and plumbed </li></ul></ul>
    4. 4. Scaffold Platform Construction <ul><li>Platforms must: </li></ul><ul><ul><li>be fully planked or decked with no more than 1 inch gaps </li></ul></ul><ul><ul><li>be able to support its weight & 4 times maximum load </li></ul></ul><ul><ul><li>be at least 18 inches wide </li></ul></ul>This is not a properly constructed scaffold
    5. 5. <ul><ul><ul><li>No large gaps in front edge of platforms </li></ul></ul></ul><ul><ul><ul><li>Each abutted end of plank must rest on a separate support surface </li></ul></ul></ul><ul><ul><ul><li>Overlap platforms at least 12 inches over supports, unless restrained to prevent movement </li></ul></ul></ul>Scaffold Platform Construction Planks are not properly over-lapped
    6. 6. Scaffold Platform Construction <ul><ul><li>No paint on wood platforms </li></ul></ul><ul><ul><li>Use scaffold grade wood </li></ul></ul><ul><ul><li>Fully planked between front upright and guardrail support </li></ul></ul><ul><ul><li>Component pieces used must match and be of the same type </li></ul></ul><ul><ul><li>Erect on stable and level ground with no standing water </li></ul></ul><ul><ul><li>Lock wheels and braces </li></ul></ul>
    7. 7. Load capacities <ul><li>Each scaffold and scaffold component must be able to support: </li></ul><ul><ul><li>its own weight </li></ul></ul><ul><ul><li>at least 4 times the maximum intended load applied or transmitted to it </li></ul></ul>Access Safety Compliance Training, Inc.
    8. 8. Load capacities <ul><li>It’s up to the worker to understand and stay within the capacities of the equipment </li></ul>Access Safety Compliance Training, Inc.
    9. 9. Load capacities <ul><li>Don’t make arbitrary changes to a scaffold’s structure </li></ul><ul><li>Any modifications can affect the scaffold’s capacity and stability </li></ul>Access Safety Compliance Training, Inc.
    10. 10. Load capacities <ul><li>Scaffolds and scaffold components must never be loaded in excess of their maximum intended loads or rated capacities, whichever is less </li></ul>Access Safety Compliance Training, Inc.
    11. 11. Materials handling on scaffolds <ul><li>Any materials taken onto the platform must be handled properly </li></ul><ul><li>Do not allow debris to accumulate on platforms </li></ul>Access Safety Compliance Training, Inc.
    12. 12. Materials handling on scaffolds <ul><li>If materials start to pile up above toeboards, the scaffold may need additional falling object protection </li></ul><ul><li>Secure any liquid or powdery materials to guard against spills </li></ul>Access Safety Compliance Training, Inc.
    13. 13. Materials handling on scaffolds <ul><li>Take extra precautions in windy conditions </li></ul><ul><li>During storms or high winds, a competent person must determine if it is safe for employees to be on the scaffold </li></ul>Access Safety Compliance Training, Inc.
    14. 14. Materials handling on scaffolds <ul><li>Use tag lines or equivalent measures to control any swinging loads that are being hoisted onto or near scaffolds </li></ul>Access Safety Compliance Training, Inc.
    15. 15. Inspection requirements <ul><li>Inspect scaffolds and scaffold components for visible defects before each shift and </li></ul><ul><li>the end of the job </li></ul><ul><li>Inspect scaffolds after any occurrence that could affect a scaffold’s </li></ul><ul><li>structural integrity </li></ul>Access Safety Compliance Training, Inc.
    16. 16. Inspection requirements <ul><li>Early detection of structural defects is important; look for hairline cracks </li></ul>Access Safety Compliance Training, Inc.
    17. 17. Inspection requirements <ul><li>Ensure that structural defects in platforms are not covered from view </li></ul><ul><li>Platforms may not be covered with opaque finishes </li></ul>Access Safety Compliance Training, Inc.
    18. 18. Inspection requirements <ul><li>Platforms may be coated with: </li></ul><ul><ul><li>Clear wood preservatives </li></ul></ul><ul><ul><li>fire-retardant finishes </li></ul></ul><ul><ul><li>slip-retardant finishes </li></ul></ul><ul><ul><li>No paint is allowed on planks! </li></ul></ul>Access Safety Compliance Training, Inc.
    19. 19. Inspection requirements <ul><li>Platform edges can be marked to show identification, grading, or similar types of marks </li></ul><ul><li>Inspect ropes for defects prior to each workshift and after every occurrence that could affect a rope’s integrity </li></ul>Access Safety Compliance Training, Inc.
    20. 20. Inspection requirements <ul><li>Before a suspension scaffold is used, inspect the direct connections (bolts) </li></ul><ul><li>Inspect and retighten wire rope clips at the start of each workshift </li></ul>Access Safety Compliance Training, Inc.
    21. 21. Handling damaged components <ul><li>Damaged or weakened scaffolds must be: </li></ul><ul><ul><li>immediately repaired or replaced </li></ul></ul><ul><ul><li>braced </li></ul></ul><ul><ul><li>removed from service until repaired </li></ul></ul>Access Safety Compliance Training, Inc.
    22. 22. Handling damaged components <ul><li>On suspension scaffolds, ropes must be replaced. if any of the following conditions exist: </li></ul><ul><li>- Any physical damage that impairs the function and strength of the rope </li></ul><ul><li>-Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s) </li></ul>Access Safety Compliance Training, Inc.
    23. 23. Handling damaged components <ul><li>Heat damage caused by a torch or any damage caused by contact with electrical wires </li></ul><ul><li>Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope </li></ul>Access Safety Compliance Training, Inc.
    24. 24. Safe access to scaffold platforms <ul><li>When scaffold platforms are more than 2 feet above or below a point of access, means of access include: </li></ul>Access Safety Compliance Training, Inc.
    25. 25. Safe access to scaffold platforms <ul><li>Portable ladders </li></ul><ul><li>Hook-on ladders </li></ul><ul><li>Attachable ladders </li></ul><ul><li>Stair towers </li></ul>Access Safety Compliance Training, Inc.
    26. 26. Safe access to scaffold platforms <ul><li>Stairway-type ladders </li></ul><ul><li>Ramps </li></ul><ul><li>Walkways </li></ul><ul><li>Integral prefabricated scaffold access </li></ul>Access Safety Compliance Training, Inc.
    27. 27. Safe access to scaffold platforms <ul><li>Direct access from another scaffold, structure, personnel hoist, or similar surface </li></ul><ul><li>Crossbraces </li></ul><ul><li>cannot be </li></ul><ul><li>used as a </li></ul><ul><li>means </li></ul><ul><li>of access </li></ul>Access Safety Compliance Training, Inc.
    28. 28. Hazards of using materials to increase scaffold height <ul><li>Don’t use makeshift devices, </li></ul><ul><li>such as boxes </li></ul><ul><li>and barrels, </li></ul><ul><li>to increase </li></ul><ul><li>the working </li></ul><ul><li>level height </li></ul><ul><li>Ladders must not </li></ul><ul><li>be used on scaffolds to </li></ul><ul><li>increase the working level </li></ul><ul><li>height except on large area scaffolds </li></ul>Access Safety Compliance Training, Inc.
    29. 29. Hazards of using materials to increase scaffold height <ul><li>A large area scaffold is erected over substantially the entire work area: </li></ul><ul><ul><li>a pole scaffold </li></ul></ul><ul><ul><li>tube and coupler scaffold </li></ul></ul><ul><ul><li>systems scaffold </li></ul></ul><ul><ul><li>fabricated frame scaffold </li></ul></ul>Access Safety Compliance Training, Inc.
    30. 30. Hazards of using materials to increase scaffold height <ul><li>Ladders may be used on large area scaffolds if the: </li></ul><ul><li>-Ladder is placed </li></ul><ul><li>against a structure </li></ul><ul><li>that is not a part </li></ul><ul><li>of the scaffold </li></ul><ul><li>-Scaffold has been </li></ul><ul><li>secured against the </li></ul><ul><li>sideways thrust </li></ul><ul><li>exerted by the ladder </li></ul>Access Safety Compliance Training, Inc.
    31. 31. Hazards of using materials to increase scaffold height <ul><li>Platform units are secured with cleats on the scaffold to prevent </li></ul><ul><li>their movement </li></ul>Access Safety Compliance Training, Inc. No Cleats
    32. 32. Hazards of using materials to increase scaffold height <ul><li>Ladder legs are on the same platform or other means is used to stabilize the ladder against unequal platform deflection </li></ul><ul><li>Ladder legs are secured to prevent them from slipping or being pushed off the platform </li></ul>Access Safety Compliance Training, Inc.
    33. 33. Need to Increase the scaffold height <ul><li>Steady </li></ul><ul><li>Steady </li></ul><ul><li>Steady </li></ul><ul><li>No worry </li></ul><ul><li>I have you! </li></ul>
    34. 34. End of Part 2 Scaffold Safety Training <ul><li>Thank You </li></ul>Access Safety Compliance Training, Inc.