Assistance in carrying out miscellaneous routine works for preventive maintenance of different Substations under 220KV OandM Division, PTCUL, Pantnagar

Electrical Items :

Assistance in electrical preventive maintenance of 220KV Substation, Pantnagar consisting of 2x160 MVA (220/132KV) Transformers, 2x80 MVA (132/33KV) Transformers, 2x50 MVA (220/33KV) Transformers, 2x630 KVA (33/0.4KV) Transformers, 11 Nos. 220KV Bays, 08 Nos. 132KV Bays and 21 Nos. 33KV Bays 132KV Substation, Kichha consisting of 2x40 MVA (132/33KV) Transformers, 1x250 KVA (33/0.4KV) Transformers, 10 Nos. 132KV Bays and 10 Nos. 33KV Bays 132KV Substation, Rudrapur consisting of 2x40 MVA (132/33KV) Transformers, 1x20 MVA (132/33KV) Transformer, 06 Nos. 132KV Bays and 10 Nos. 33KV Bays. (i) Routine visual checking of red hot points, flashpoints, burned jumpers etc. in 220KV, 132KV & 33KV switchyards. General routine maintenance of outdoor equipments/panels in 220KV, 132KV & 33KV switchyards i.e. CBs, isolators, bus bars, CTs, PTs/CVTs, marshalling kiosks etc. including scheduled cleaning, lubrication, tightening of connections/jumpers, replacement of minor damaged parts of equipments, replacement of jumpers/clamps/ connectors etc. (ii) Routine work on all power and station transformers, maintenance of their cooling fans, i.e. oiling, greasing, cleaning etc. LT electrical connection, cleaning of oil collection pits, tightening of loose connection, replacing silicagel, provides help in oil top up as per direction of engineer in charge. (iii) Routine checking of complete length of control cable and power cable between indoor panels/equipment and outdoor equipment/kiosks/panels, cleaning replacement of damaged/burned cable, tightening and replacement of damaged terminals/ connections/lugs etc. referruling whenever required. (iv) Routine maintenance of battery cells and battery chargers i.e. daily cleaning of battery room and battery cells, maintaining fluid level, specific gravity, applying of petroleum jelly etc. complete in all respect. (v) Routine maintenance of indoor panels in control panels in control room and PLCC room i.e. control and relay panels. ACDB & DCDB system, indoor transformers, indoor & outdoor illumination system etc. including scheduled cleaning, lubrication, tightening of connection/terminals, replacement of minor damaged parts of panels, tracing of circuit etc. as per direction of engineer in charge. (vi) Any other routine Substation electrical maintenance related works assigned by engineer in charge as and when required. At 220KV S/s, Pantnagar 01 No. operation signifies deployment of 02 skilled and 04 semi-skilled manpower for a period of 08 Hours. At 132KV S/s, Kichha and 132KV S/s, Rudrapur signifies deployment of 01 skilled and 02 semi-skilled manpower for a period of 08 Hours. Total operations at 220KV S/s, Pantnagar:- 280 (Rate Rs. 4313.20 per operation) Total operations at 132KV S/s, Kichha:- 215 (Rate Rs. 2156.60 per operation). Total operations at 132KV S/s, Rudrapur:- 207 (Rate Rs. 2156.60 per operation).

MCCB 3Ph 415V/230V 65Amps Thermal Release 25A-50A

ML6 Contractor 230V AC (2NO+2NC) or Equilant

Saun Engineering and Construction Co P Ltd