what precaution we should take when repair the Power Tower？

When repairing a Power Tower (assuming you mean a high-voltage transmission tower or an electrical substation structure), safety is critical. Here are the key precautions to take:

1. Shutdown and Isolate Power

De-energize the lines before any work starts.

Lockout/Tagout (LOTO) procedures must be strictly followed.

Use grounding equipment to discharge any residual electricity.

2. Wear Proper PPE (Personal Protective Equipment)

Electrical-rated gloves and sleeves.

Hard hats (with chin straps if climbing).

Insulated boots.

Flame-resistant (FR) clothing.

Full-body harness and fall arrest systems.

3. Use Trained and Certified Personnel Only

Workers should be trained in high-voltage operations, working at heights, and rescue procedures.

Only authorized, qualified persons should perform the repair.

4. Fall Protection and Climbing Safety

Always tie off 100% of the time when climbing.

Inspect ladders, ropes, and harnesses before use.

Use double lanyards if necessary.

5. Environmental and Weather Check

Never work during storms, high winds, or rain.

Be cautious about extreme heat or cold (affects grip, PPE, and equipment).

6. Tools and Equipment Inspection

Use only insulated tools rated for high-voltage work.

Inspect tools for damage or wear before every shift.

7. Communication

Establish clear communication between ground crew and tower crew (radios, hand signals).

Have a spotter/supervisor always monitoring the operation.

8. Emergency Preparedness

Have a clear rescue plan in place.

First aid kits and AEDs (automated external defibrillators) must be available nearby.

Make sure everyone knows how to respond to electrical shock incidents or falls.

9. Barrier and Signage

Secure the area around the base of the tower to keep unauthorized people away.

Post warning signs about live wires or ongoing repairs.

10. Documentation and Permits

Complete Job Safety Analysis (JSA) or Risk Assessment before starting.

Obtain necessary work permits (especially for hot work or confined space if involved).

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