Scaffold Erection: Collective Fall Protection
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Questions and Answers

What is the primary function of the temporary intermediate short-lift deck?

  • To allow scaffolders to access the next 1m level with guardrails in place (correct)
  • To support heavy loads
  • To provide a permanent working platform
  • To serve as a debris chute

    • What is the maximum conventional lift height for which the short-lift system is suitable?

  • 2.5m
  • 3.0m
  • 1.5m
  • 2.1m (correct)

    • What is the purpose of the goal post frame in the Advanced Guardrail System (AGS)?

  • To support heavy loads
  • To form a goal post frame with upright tubes and a single tube as a temporary guardrail (correct)
  • To create a temporary edge protection
  • To provide a permanent guardrail

    • What is the correct positioning of the second right-angle coupler in the Advanced Guardrail System (AGS)?

    <p>1100mm down from the top coupler's center, on the opposite side of the tube</p> Signup and view all the answers

    What is the primary purpose of the collective fall protection system?

    <p>To prevent falls from heights</p> Signup and view all the answers

    What is the function of the temporary edge protection in the short-lift system?

    <p>To allow scaffolders to access the next 1m level with guardrails in place</p> Signup and view all the answers

    What is the purpose of the guardrail system in the Advanced Guardrail System (AGS)?

    <p>To prevent falls from heights</p> Signup and view all the answers

    What is the advantage of using system decking in the short-lift system?

    <p>It eliminates the need for installing temporary intermediate transoms</p> Signup and view all the answers

    At what distance from an unprotected edge should the right-angle couplers be secured?

    <p>1m</p> Signup and view all the answers

    What is the primary purpose of the Advanced Guardrail System (AGS)?

    <p>To provide collective fall protection</p> Signup and view all the answers

    What is the purpose of the additional guardrail in the base lift?

    <p>To protect the vertical tube</p> Signup and view all the answers

    In what direction should the tube be pushed in STEP 3?

    <p>Horizontally past the next standard</p> Signup and view all the answers

    How can scaffolders access the platform and erect the next lift with collective protection?

    <p>By securing couplers to the advanced guardrail</p> Signup and view all the answers

    What is the maximum distance the tube should be pushed out in STEP 3?

    <p>One bay</p> Signup and view all the answers

    What should be done before scaffolders can leave the established safe zone?

    <p>The temporary guardrail must be secured</p> Signup and view all the answers

    What is the recommended method to release the guardrail to the next level?

    <p>By pulling back the outside board to access the coupler from above</p> Signup and view all the answers

    What is the purpose of swivel couplers in parallel?

    <p>To fix the advanced guardrail for stop-end guardrails</p> Signup and view all the answers

    What is the purpose of the temporary guardrail in the Advanced Guardrail System?

    <p>To form a temporary guardrail from within a scaffolder's safe zone</p> Signup and view all the answers

    What is crucial in ensuring the advanced guardrail is raised before installing transoms or other protrusions?

    <p>The build sequence</p> Signup and view all the answers

    What should be taken at stop-ends or corner returns?

    <p>Additional precautions</p> Signup and view all the answers

    What should be done if the facade bracing is obstructing the advanced guardrail?

    <p>Fix the brace after raising the guardrail</p> Signup and view all the answers

    What is the final step in the process of installing a tube and fitting an advanced guardrail horizontally?

    <p>Release and slide the temporary guardrail to the next bay</p> Signup and view all the answers

    What is a characteristic of the advanced guardrail system?

    <p>It is versatile and can be used for dismantling and alterations</p> Signup and view all the answers

    What is the primary purpose of the collective fall protection system?

    <p>To prevent scaffolders from falling</p> Signup and view all the answers

    Study Notes

    Collective Fall Protection

    • An additional guardrail is needed for the base lift only to protect the vertical tube.
    • Couplers can be secured to secure the advanced guardrail, allowing scaffolders to access the platform and erect the next lift with collective protection.
    • The advanced guardrail can be raised to the next level once the permanent guardrails have been installed.
    • Swivel couplers in parallel can be used to fix the advanced guardrail for stop-end guardrails, preventing scaffolders from encroaching within 1m of the leading edge.

    Advanced Guardrail System (AGS)

    • The AGS is a tube and fitting frame type that functions similarly to proprietary systems but is made using standard scaffolding components.
    • The AGS is designed for independent tied scaffolding, forming a temporary guardrail from within a scaffolder's safe zone.
    • The AGS provides protection to both inside and outside faces of the scaffold, fixing to the standards.

    Erecting AGS

    • STEP 1: Determine the scaffold elevation and bay sizes by selecting tubes that fit the length and size of the bay.
    • STEP 2: Create a goal post frame by placing tubes on the ground and attaching a guardrail to the upright tubes using right-angle couplers (EN74).
    • STEP 3: Attach a second right-angle coupler to each upright tube, 1100mm down from the top coupler's center, ensuring they are 'up-side-down' and on the opposite side of the tube.
    • STEP 4: Two scaffolders are needed to lift the frame and secure it to the ledger.
    • STEP 5: Couplers can be secured to secure the advanced guardrail, allowing scaffolders to access the platform and erect the next lift with collective protection.
    • STEP 6: The advanced guardrail can be raised to the next level once the permanent guardrails have been installed.

    Tube and Fitting Horizontal Type AGS

    • STEP 1: Secure two right-angle couplers to the existing guardrail standards, ensuring they clip on before encroaching within 1m of an unprotected edge.
    • STEP 2: Place a temporary guardrail using another tube loosely into two fittings to ensure horizontal tube sliding.
    • STEP 3: Push the tube out horizontally past the next standard (one bay max) and tighten the end coupler.
    • STEP 4: Now walk out to fix the temporary guardrail to the standard, clipping on until the guardrail is secured and if encroaching within 1m of the end.
    • STEP 5: The working platform guardrail(s) can now be completed and next lift constructed with the scaffolders' safe zone in place.
    • STEP 6: The temporary guardrail can then be released and slid along horizontally to the next bay.

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    Description

    This quiz covers the steps and requirements for collective fall protection during scaffold erection, including the use of guardrails and couplers.

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