Tower crane operator bekerja di ketinggian 30-80+ meter - fall protection adalah life-critical requirement untuk access dan egress cabin.
Fall Arrest System Components:
1. Full Body Harness
- NOT waist belt - full body dengan shoulder, chest, leg straps
- Dorsal D-ring untuk attachment
- Proper fit - snug but not restrictive
- Inspect sebelum setiap use - no wear, cut, fraying
2. Lanyard or Self-Retracting Lifeline (SRL)
- Shock-absorbing lanyard: 1.8-2m length dengan energy absorber
- SRL (preferred): Auto-retracting, lock saat fall detected
- Rated untuk user weight + safety margin
3. Anchor Point
- Tower crane memiliki fixed anchor pada ladder atau vertical lifeline system
- Must support minimum 22kN (5,000 lbs) per person
4. Connector (Carabiner/Hook)
- Locking type - double-action atau screw-gate
- Inspect gate function
Access Procedure (Climbing to Cabin):
Before Climbing:
- Pre-use inspection harness dan lanyard - no damage
- Don harness correctly:
- Leg straps snug around thighs
- Chest strap adjusted
- D-ring between shoulder blades
- Attach lanyard ke harness D-ring
- Verify anchor system functional
During Climbing:
- 100% tie-off rule: Always connected ke anchor
- If using twin lanyard system:
- Connect first lanyard ke anchor above
- Climb to that point
- Connect second lanyard to next anchor
- Disconnect first lanyard
- Repeat (always one attached)
- If using vertical lifeline dengan shuttle:
- Attach shuttle ke lifeline sebelum start
- Shuttle slides up saat climb, locks saat fall
- Stay connected entire climb
- Three-point contact: Two hands + one foot OR two feet + one hand on ladder always
- No rushing: Steady, controlled pace
In Cabin:
- Some cabin require harness remain on dengan anchor inside
- Others allow removal once inside
- Follow site-specific procedure
Descending:
- Same procedure as ascending - remain connected
Inspection & Maintenance:
- Daily: Visual check untuk damage
- Monthly: Detailed inspection by competent person
- Annually: Formal inspection, documentation
- After fall arrest event: Equipment REMOVED from service - inspect by manufacturer
Rescue Plan:
- Site must have rescue procedure jika operator injured di height
- Suspension trauma: Can be fatal dalam 20 min - rapid rescue critical
- Rescue team trained dan equipped
Consequences of Non-Compliance:
- Fall dari height = almost always fatal
- Operator can be terminated untuk not using fall protection
Your family wants you home - USE fall protection EVERY TIME!
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