Work at Height : Control Measure | Full List of Hierarchy-Based Controls

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Here is a full list of Control Measures for Work at Height, written clearly and aligned with NEBOSH IG2 assessment standards — using the Hierarchy of Control.

✅ Control Measures for Work at Height

(Use this in risk assessments, method statements, or NEBOSH IG2 Task 3)

🔺 1. Elimination (Most Effective)

Avoid the need to work at height where possible.

  • Use extendable tools from the ground.
  • Prefabricate components on the ground.
  • Relocate tasks to ground level (e.g., build roof sections on ground).

🔧 2. Substitution

Replace high-risk work methods with safer alternatives.

  • Use scissor lifts or MEWPs instead of ladders.
  • Replace fragile surfaces with walkable materials.

🛠️ 3. Engineering Controls

Provide physical safeguards.

  • Scaffolding with guardrails, mid-rails, and toe boards.
  • Mobile Elevated Work Platforms (MEWPs) with safety features.
  • Safety nets or airbags beneath work area.
  • Fixed ladders with cages and secure access points.
  • Edge protection systems on roofs.

📋 4. Administrative Controls

Change the way people work.

  • Develop safe work procedures and method statements.
  • Use permit to work (PTW) system for height work.
  • Provide work at height training and refresher courses.
  • Schedule work for good weather conditions (avoid rain, wind).
  • Display warning signs and barricades near height zones.
  • Carry out pre-use inspections of ladders, harnesses, platforms.

🧰 5. Personal Protective Equipment (PPE)

Last line of defense.

  • Use full body harnesses and fall arrest systems with secure anchor points.
  • Wear helmets with chin straps, non-slip footwear, and hi-vis clothing.
  • Use tool lanyards to prevent dropped objects.

✅ Additional Key Measures to Remember:

Control AreaKey Action
SupervisionEnsure a competent person is overseeing all work at height.
InspectionRegularly inspect scaffolds, ladders, PPE, and anchor systems.
Emergency PlanningHave a rescue plan ready for fall incidents.
Access ControlLimit access to authorized trained personnel only.
CommunicationUse radios or hand signals if visibility is poor.

📌 Example Control Statement (for NEBOSH IG2 Table):

“Guardrails and toe boards installed on all scaffolding; workers trained in working at height; harnesses and fall arrest systems provided and inspected weekly. Work only allowed under permit and supervision.”

Would you like a printable control measure checklist or this in a risk assessment format (PDF/Excel)?

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