Annex 7
Preventive Maintenance Schedule for Bus-Bar, Jumpers, Connectors, Clamps, Switchyard Illumination etc.
|
S. No. |
Tasks assigned |
Shut Down (SD) Or Without Shut Down (WSD) |
Periodicity |
|
a. |
Measurement of station earth resistance |
WSD |
Yearly |
|
b. |
Cleaning of insulators |
SD |
Yearly |
|
c. |
Checking of insulators for cracks |
SD |
Yearly |
|
d. |
Thermovision Scanning of all conductor joints. Terminal connectors clamps |
WSD |
Yearly |
|
e. |
Removal of hot spots |
SD |
Yearly |
|
f. |
De-weeding of switchyard |
WSD |
In case of requirement |
|
g. |
Repainting, rust removal of all structures, equipments etc. |
SD |
Yearly |
|
h. |
Checking of Switchyard lighting |
WSD |
In case of requirement |