Suitability of the existing system:
- Examining whether cable/strip of proper material and size has been used for the earthing.
- Examining whether joints are proper.
- Whether the system is working o.k.?
- Whether it needs any correction?
- Whether it can be revived?
- If not, what solution?
- Improving conductivity of earth.
- Cleaning/ replacing the rusted plates/wires nut-bolts.
- Replacing broken earthing plates/wires and nut-bolts etc.