Assistance in carrying out miscellaneous routine works for preventive maintenance of various 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, 1x20 MVA (132/33KV) Transformer, 1x250 KVA (33/0.4KV) Transformers, 09 Nos. 132KV Bays and 16 Nos. 33KV Bays and 132KV Substation, Rudrapur consisting of 2x40 MVA (132/33KV) Transformers, 1x20 MVA (132/33KV) Transformer, 06 Nos. 132KV Bays and 11 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. as per engineer in charge. (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 as per 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) Attending minor breakdown such as replacement of damaged jumpers, replacement of burnt and damaged equipments (bus bar, isolators, CT/PT/CVT) parts, replacement of burnt/damaged CT/PTs, replacement of damaged/burned HT/LT connections and peripherals etc. working which require equipment specific technical expertise and special T&P etc. such as repair of transformers, CBs etc. (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 03 Nos. highly skilled fitters and 02 Nos. skilled fitters for a period of 08 Hours. At 132KV S/s, Kichha and 132KV S/s, Rudrapur signifies deployment of 03 Nos. highly skilled and 01 No. skilled fitters for a period of 08 Hours. Total operations at 220KV S/s, Pantnagar:- 260 (Rate Rs. 4413.49 per operation) Total operations at 132KV S/s, Kichha:- 140 (Rate Rs. 3613.99 per operation). Total operations at 132KV S/s, Rudrapur:- 105 (Rate Rs. 3613.99 per operation).

Lashani Enterprises

M/s Belwal Enterprises

Sundeep Enterprises

Umawala Engineers Pvt. Ltd.