WORK OF PREVENTIVE AND BREAKDOWN MAINTENANCE OF EQUIPMENTS OF 220/132 KV SYSTEM AT 220 KV SUBSTATION, RISHIKESH

Amount

220/132KV Switch Yard Tightening of 220 kV Bay Equipments (CB, Line Isolator, Transfer Isolator, CT, CVT and LA including all connectors of droppers/runner/jumpers)

Cleaning of 160 MVA 220/132 kV Transformer complete

Cleaning of Equipments Porcelain Poles (i.e. CB/CT/CVT) complete

Tightening of Bushing Terminal Connectors of Transformers including through cleaning

Replacement of Jumpers of Conductor including clamps, cutting /drilling of holes in clamps

Replacement of 220 kV Terminal Connector/Clamp/Jaw/Blade etc.(including replacement of minor conductor segment/patch)

Replacement of 220 kV Take-off/ Moving Head Assembly (including proper alignment)

Work of special maintenance on breakdown/crisis basis/fault tracing & removal (in any switchgear, equipment, machine, panels, junctionbox, trench gallery, LT, replacement of contactor/relay of CB, T/F etc.)

Filling of SF-6 Gas in 245 kV Circuit Breaker under breakdown/preventive maintenance (including shifting of gas cylinder)

Repairing of HPSV Lamp Fittings at 220 kV Substation.

132KV Switch Yard(IDPL) Tightening of 132 kV Bay Equipments (CB, Line Isolator, Transfer Isolator,CT, CVT and LA including all connectors of droppers/runner/Jumpers)

Tighting of 132 terminal connectors/ clamps

Replacement of Jumpers of conductor including clamps, cutting/drilling of holes in clamp.

Replacement of 132 kV Terminal Connector/Clamp/Jaw/Blade etc. (including proper alignment)

Replacement of 132 kV take off/ moving head assembly (including replacement of minor conductor segment/patch & proper alighment)

Replacement of run through/runner full span/proper full span conductor including T-Joint and Clamps

Maintenance of 145 KV isolator with cubical and oiling, greasing etc all moving parts and insure smoothly operation

Work of Special maintenance on breakdown/crisis basis/fault tracing & removal (in any switchgear, equipment, machine, panels, junctionbox, trench gallery, LT, replacement of contractor/relay of CB, T/F etc.

Filling of SF-6 Gas in 132 KV Circuit Breaker under breakdown/preventive maintenance (including shifting of gas cylinder)

Cleaning of equipments porcelain poles (i.e. CB/CT/CVT) complete

33KV Switch Yard Following work to be carried out for preventive maintenance of 40MVA T/F: a) Checking of ol level in main & OLTC Cnservator tank & bushings. B) Checking & tighening of all main tank nut & bolts. C) Checking & tightening of all bushing clamps. d) Checking of auto / mannual operation of cooling fans & rectification fuult if found. e) Cehcking of neutral & body earthing. f) Cleaning & wasing of transformer body. g) Checking of all connection in cubical & apply CRC on all connection. h) Checking of WTI & OTI. i) work of top up the transformer oil level in main conservator tank. J) Any other work as per site requirement or as per direction of site Incharge.

Tighenning of 33KV Bay equipments (CB, Line Isolator, Bus Isolator, CT & LA including all connectors of droppers. Jumpers)

Replacement of Jumbpers of Conductor including clamps, cutting/ drilling of hols in clamps.

Replacement of 33KV Terminal Connector/ Clamp/ Jaw/ Blade etc. (including replacement of minor conductor segment)

Work of special maintenance of breakdown/ crisis basis / fault tracing & removal (in any switchgear, equipment, machine, panels, junction box, trench gallery, LT, repalcement of contactor/ relay of CB/ Transformer etc.)

Filling of SF-6 Gas in 33KV Cirucuit breaker under breakdown/ preventive mainenance.

KOTHARI ENTERPRISES