Scaling a highwall
Generated on: July 12, 2025
Pre-Task Plan: Highwall Scaling
Date: [DATE] Work Area: [WORK AREA] Task Supervisor: [SUPERVISOR NAME]
1. Task Description
Visually inspect the highwall for loose material and use hand tools (scaling bars, picks) to remove loose rock and debris to prevent potential falls.
2. Task Duration
Estimated Start: [START TIME] Estimated Completion: [END TIME]
3. Personnel Involved
- Scaler
- Spotter
- Equipment Operator (if applicable)
4. Task-Specific Hazards and Controls
Hazard | Risk | Control Measures |
---|---|---|
Falling rocks/debris | Injury to personnel below | Establish a clear exclusion zone. Use spotters to warn of falling material. Scale from top to bottom whenever possible. [1] |
Instability of highwall | Highwall collapse, potential for burial | Conduct thorough geotechnical assessment. Implement proper slope support techniques. Monitor highwall for signs of instability (cracks, bulging). |
Dust inhalation | Respiratory irritation, silicosis (long-term) | Use respirators (NIOSH approved). Implement dust suppression methods (water spraying). [2] |
Slips, trips, and falls | Injuries from loss of balance | Ensure good footing. Wear appropriate footwear. Use fall protection equipment when working at heights. |
Manual handling of tools | Musculoskeletal injuries | Use proper lifting techniques. Take frequent breaks. Rotate tasks to reduce strain. |
5. Required PPE for Today's Task
- Hard hat
- Safety glasses or goggles [2]
- Steel-toed boots
- Gloves
- Respirator (NIOSH approved) [3]
- High-visibility vest
- Fall protection harness and lanyard (if applicable)
6. Tools and Equipment Needed
- Scaling bars
- Picks
- Shovels
- Rock hammer
- Air compressor (if using pneumatic tools)
- Water sprayer for dust suppression
- Communication devices (radios)
7. Pre-Start Checklist
Area Preparation
- Establish and clearly mark exclusion zone.
- Ensure adequate lighting.
- Check stability of the highwall face.
Equipment Checks
- Inspect scaling tools for damage.
- Verify proper functioning of fall protection equipment.
- Check communication devices.
Communication
- Conduct pre-task briefing with all personnel.
- Establish clear communication signals between scalers and spotters.
8. Task Steps Overview
- Conduct a visual inspection of the highwall.
- Establish exclusion zone and post warning signs.
- Begin scaling from top to bottom, removing loose material.
- Use spotters to monitor for falling rocks and debris.
- Regularly assess the stability of the highwall.
9. Emergency Response for This Task
- Rock fall causing injury → Provide immediate first aid, call for emergency services, clear the area.
- Highwall collapse → Evacuate the area immediately, account for all personnel, notify supervisor.
10. Task-Specific Precautions
- Never work directly below another scaler.
- Be aware of changing weather conditions.
- Do not scale if the highwall is wet or icy.
Pre-Task Briefing Confirmation
All workers understand the task, associated hazards, and required controls.
Team Lead Initials: [___] Date: [DATE] Time: [TIME]
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Important Safety Note:
Always verify safety information with your organization's specific guidelines and local regulations.