Assistance in carrying out miscellaneous routine works for annual preventive maintenance of 220KV S/s, Jafarpur and associated transmission line under 220KV OandM Division, PTCUL, Pantnagar

Assistance in annual electric preventive maintenance of 220 KV substation Jafarpur consisting of 2×50 MVA (220/33 KV) transformers, 06 nos. 220 KV bays and 09 nos. 33 KV bays by carrying out following miscellaneous works on routine basis and with availability of manpower as and when required; (a)a) Routine visual checking of red hot points, flashpoints, burned jumpers etc. in 220 KV & 33 KV switchyards. General routine maintenance of outdoor equipments/panels in 220 KV & 33 KV 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 direction of engineer incharge. (b)Routine cleaning of all type of transformers, their marshalling boxes, OLTC etc., maintenance of cooling fans i.e. oiling, greasing, cleaning etc., LT electrical connections, tightening of loose connections, cleaning of oil collection pits as per direction of engineer incharge. (c) Routine checking of complete length of control cables and power cables between indoor panels/equipments and outdoor equipments/kioks/panels, cleaning, replacement of damaged/burned cables, tightening & replacement of damaged terminals/connections/lugs etc., re-ferruling whenever required. (d) Routine maintenance of battery cells and battery chargers i.e. daily cleaning of battery room & battery cells, maintaining fluid level, specific gravity, applying of petroleum jelly etc. as per direction of engineer incharge. (e) Routine maintenance of indoor panels in control room and PLCC room i.e. control & relay panels, ACDB & DCDB system, indoor transformers, indoor & outdoor illumination system etc. including scheduled cleaning, lubrication, tightening of connections/terminals, replacement of minor damaged parts of panels, tracing of circuits etc. as per direction of engineer incharge. (f) Attending minor breakdowns 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. excluding works which require equipment specific technical expertise and special T&P etc. such as repair and overhauling of transformers. CBs etc. as per direction of engineer incharge. (g) Any other routine substation electrical maintenance related works assigned by engineer incharge as and when required. At 220KV S/s, Jafarpur 01 No. operation signifies deployment of 03 Nos. highly skilled labourers and 02 Nos. skilled labourers for a period of 08 Hours. Total operations at 220KV S/s, Jafarpur:- 130

Assistance in routine maintenance of 220 KV LILO line associated with 220 KV substation Jafarpur by carrying out following activities; The routine maintenance of above mentioned lines by carrying out following activities :- (i) Regular patrolling, preparation of patrolling report, close visual inspection of complete line route i.e. clerance of line corridor, position of trees/hindrances, condition of towers, tower accessories, conductors, conductor accessories, flash points, red hots points etc. as per the direction of engineer in-charge. (ii) Looping-chopping and pruning of tree branches, bushes, vegetation required for maintaining proper clerance of line coridor as per direction of engineer in-charge. (iii) Cutting and felling of trees imposing danger to line towers & conductors as per the direction of engineer in-charge. (iv) Tightening/replacement/fixing of loose/damaged jumpers and other conductor accessories. (v) General tightening/replacement of tower members and tower accessories including fixing of missing tower parts and tower accessories as per the direction of engineer in-charge. (vi) General checking of tower legs, earthinng and fixing of defect, if any as per the direction of engineer in-charge. (vii) Attending minor breakdowns such as replacement of burned clamps & connector, replacement of damaged jumpers, replacement of damaged slack spans etc excluding major breakdown works which require specific technical expertise, specific and huge manpower and special T&P such as replacement of damaged cross arms, replacement of damaged towers, replacement of dics/insulator strings, replacement of damaged/broken conductor/EW involving longer spans etc. (viii) Any other routine preventive maintenance works directed by engineer in-charge. At 220KV O&M Subdivision, Jafarpur 01 No. operation signifies deployment of 03 Nos. highly skilled labourer and 02 Nos. skilled labourer for a period of 08 Hours. Total operations at 220KV S/s, Jafarpur:- 80

P and H Engineering