SAFETY INSTRUCTIONS
1) Authorised persons of the substation should get themselves thoroughly familiar with the layout of the substation, Incoming feeders, Outgoing feeders, etc. The layout of the feeders should be displayed in the substation control room.
2) See that sufficient sets of earthing sets, hand gloves, ladders, etc. are always kept at the substation in proper working order & can be safely used for such work.
3) Only
authorised men take permits to work as per formats. While issuing permits to
others, proper earthing should be ensured. Danger notice ‘Do not operate, men
at work’ should be affixed on the concerned dead feeder.
4) Fire fighting equipment, first aid box, etc. is maintained in proper condition. First aid chart should be displayed in control room in English or Local language.
GENERAL
1) All tripping at the substation should be reported. Also wrong tripping and non- tripping should be reported to concerned superior.
2) Carry out maintenance as per ISO format or manufacturer’s standards. Ensure to maintain History Register of each equipment at the substation. It should contain information such as details of equipment, date of commissioning, preventative and breakdown maintenance done, spares used if any.
3) Single line diagram should show the incoming lines, isolators, breakers, transformers, LAs, CTs and PTs with their make, current rating, and rupturing capacity.
Schematic diagram indicates the scheme of protection with CT ratio, type of relays with setting available and actual settings.
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