1. C5.21L Three Phase Dead End Insulator Changeout
© 2018 Iowa Association of Electric Cooperatives

2. Why are we doing this energized?
Take some time to decide if it is necessary to do this job energized.
Could the job be done de-energized and grounded?
What would be the impact?
Would it be safer?

3. OSHA Required Tailgate Discussion Topics
Hazards Associate with the job
Work Procedures Involved
Special Precautions
Energy Source Controls
PPE Required
The five topics required by OSHA to discuss in the tailgate.
First letter from each topic = How Well Should Everyone Plan

4. Work Procedures Involved Hazards associated with the job
Special Precautions
Energy Source Controls
Personal Protective Equipment
Be sure to record your emergency location and post in a location everyone on the crew knows.
Have your PPE and First Aid kit available
Be sure your AED is accessible.
A safe job begins with a thorough inspection of…
Tools Be certain all of your tools are in good shape.
Equipment Make sure your trucks are all in working order take time to preflight your equipment and insure there are no surprise.
Line/Structure Look over the line and structure. Are there any potential hazards? (Broken insulators, damaged wire, clearances over roads or from trees?)
Be aware of your work area, be sure to cover anything you can reach touch or fall into. And anything that can reach touch or fall into you!
Discuss all PPE needed for the job and wear your PPE. Be sure to inspect your equipment prior to use. Identify all voltages you are exposed to. Be sure to have all of your Arc-Flash protective gear on.
Identify a dedicated observer
Working in traffic exposes you to hazards that are difficult to control. Give the vehicles plenty of time to see and avoid you! Follow the manual of traffic control for your area.
Slips trips and falls are some of the most common injuries, look for hazards that could cause this. Be sure to inspect and wear your fall arrest harness.
Here are the five topics again with signs and bubbles to jump start tailgate discussion!!
Click on the icon to bring up a text box. Click on the icon again to make the text box go away
Gets the crew involved. Gives the feeling of knowing it is ok to ask questions, give suggestions, see something, say something!
The next slides will get directly into the task at hand. Visual, written and audio will all be used here!
There are suggestions in the notes as to what to discuss. This will get the Team involved, creating communication channels to open!

5. Be certain to complete Your tailgate
Be certain to complete Your tailgate. Inspect the structure as well as the spans leading to the structure for hazards.
Be certain to complete Your tailgate. Inspect the structure as well as the spans leading to the structure for hazards.

6. Bond the truck to the system neutral.

7. Disconnect the pole ground if possible
Disconnect the pole ground if possible. If the pole has an underground riser or lightning protection you will nee to keep this connected.
Disconnect the pole ground if possible. If the pole has an underground riser or lightning protection you will nee to keep this connected.

8. Cover the neutral.
Cover the neutral.

9. Cover the guy wire. Hold the cover up by the use of a hot tap on the guy wire.

10. Cover the nearest phase and bells
Cover the nearest phase and bells. Be certain to cover any tails of wire that may be exposed.
Cover the nearest phase and bells. Be certain to cover any tails of wire that may be exposed.

11. Cover the center phase and bells
Cover the center phase and bells. Be certain to cover any tails of wire that may be exposed.
Cover the center phase and bells. Be certain to cover any tails of wire that may be exposed.

12. Cover the cross arm and place a sling around it as an anchor point for your hoist.

13. Place the hoist inline with the handle away from the pole and an insulating link between the hoist and the sling.
Place the hoist inline with the handle away from the pole and an insulating link between the hoist and the sling.

14. Take slack out of the line to the bells to be replaced.

15. Be sure to support the tail before releasing it from the bells.
DON’T LET IT DROP!
Be sure to support the tail before releasing it from the bells. DON’T LET IT DROP!

16. Remove the bad insulators. Be careful of sharp edges!

17. Replace The insulators.

18. Let the slack off of the hoist.

19. Remove the hoist.
Remove the hoist.

20. Remove the sling and blanket from the arm.

21. Remove the cover from center phase.

22. Remove the cover from the nearest phase.

23. Remove the cove from the guy wire.

24. Remove the cover from the neutral

25. Reconnect the ground wires.

26. Remove the truck bond.
Remove the truck bond.

27. The job is completed.
The job is completed.