tender for rate contract for preventive/ routine/ breakdown maintenance of equipments for 220/132/66kv grid station hiranagar, 132/66kv grid station samba, 132/33kv grid stations bari-brahmana-ii, gangyal, sidhra , mahanpur, siot and 220/66 kv ghatti and components for lilo of 132kv d/c gladni-hiranagar transmission line for g/stn samba and g/stn bb-ii, 132kv d/c barn-siot-kalakote line -(akhnoor-kalakote section), 132kv s/c transmission line on d/c tower from g/stn samba to rtss samba, s/c lilo of 132kv d/c gladni -miransahib transmission line for g/stn gangyal falling under the jurisdiction of tlmd-v,jkptcl,amedkar chowk, railway road,jammu jkptcl ,jammu for the year 2026-27.- 1 auto-transformers/power transformers /auxillary transformers:- a) checking of auto starting of fans, external cleaning of radiators,oil pumps ofaf/onaf,cleaning and checking of marshalling boxes of transformer/reactor and oltc, (ii) tightening of terminations, checking of oltc driving mechanism, electrical checking/ testing of pressure relief device, buchholz relay, oltc surge relay/ checking of alarm/ trip and checking/ replacement of the gaskets of the terminal box, checking / tightning of earthing connections, checking of earth resistance of neutral, replacement of silca gel of breathers and oil topping of transformers and tightning of bushing clamps on hv/iv/lv sides of 4x66.67mva, 4x40 mva, auto transformers and 20mva to 50mva power transformers including tandelta testing of bushing/ winding & dga/ bdv/ppm testing of transformer oil.other tests on the transformer like ratio test, ir value/ magnetic balance/ short circuit test etc. checking of space heater and illumination 2 66.67 mva 1 ø, 220/132 kv 3 40mva 1 ø, 220/132 kv 4 50 mva 132/66 kv 5 20 mva 132/66 kv 6 50 mva 132/66 kv 7 50mva, 132/33kv 8 20 mva 132/33 kv 9 1000 kva, 66/11 kv 10 500 kva, 66/11 kv 11 53.3 mva single phase 220/66/11kv 12 11/.415kv, 630 kva auxilliary transformer 13 250kva,33/0.440kv 14 250kva,11/0.440kv 15 draning/ de-sludging of transformer oil of transformers 16 filling of oil, filitration and dehydration of transformer including installation of vacume pump to be provided by the department. 17 reparing of cooloing fans of transformers including replacement of damaged winding, bearing,mcbs,contactors, wiring of control circuitsetc. 18 lifting of top lid of power transformer for complete physical inspection & replacement of gaskets. 19 replacement of damaged core bolts/earthning strip etc. 20 testing of transformer:- 21 testing of transformer:- tandelta testing of bushing/ winding & bdv testing of transformer oil.other tests on the transformer like ratio test, ir value/ magnetic balance/ short circuit test etc, kits for testing shall be provided by the department. 22 dga and ppm of transformer from accredted laboratories. 23 replacement of damaged/outlived bushing having high tan delta including crane/ mechanical equipment if required. 24 220 kv bushing 25 132 kv bushing 26 66 kv bushing 27 33 kv bushing 28 11 kv bushing 29 dismantling,dragging,loading,unloading and assembling of autotransformer/power transformer/auxillary transformer from loading site to working site 30 66.67 mva 1 ø, 220/132 kv 31 40mva 1 ø, 220/132 kv 32 50 mva 132/66 kv 33 20 mva 132/66 kv 34 50 mva 132/66 kv 35 50mva, 132/33kv 36 20 mva 132/33 kv 37 1000 kva, 66/11 kv 38 500 kva, 66/11 kv 39 53.3 mva single phase 220/66/11kv 40 11/.415kv, 630 kva auxilliary transformer 41 250kva,33/0.440kv 42 250kva,11/0.440kv 43 carraige of autotransformer/power transformer/auxillary transformer 44 66.67 mva 1 ø, 220/132 kv 45 40mva 1 ø, 220/132 kv 46 50 mva 132/66 kv 47 20 mva 132/66 kv 48 50 mva 132/66 kv 49 50mva, 132/33kv 50 20 mva 132/33 kv 51 1000 kva, 66/11 kv 52 500 kva, 66/11 kv 53 53.3 mva single phase 220/66/11kv 54 11/.415kv, 630 kva auxilliary transformer 55 250kva,33/0.440kv 56 250kva,11/0.440kv 57 overhauling of circuit breaker :- vcb/mocb/sf6/acbchecking of oil/gas pressure drop during duty cycle operation check, checking of auto-starting / stopping of oil pump,pressure switch setting,etc, checking of healthiness of accumulator by checking the pre-charging pressure when building up pressure from zero, checking of operation of safety valve, checking of air compressor, cleaning of breaker units, checking of protection equipments and replacement of defective ones, i.e., complete inspection and testing of sf6/vcb/mocb/acb type circuit breakers inclusive of operating mechanism.checking of driving mechanism, trip/closing circuits/ checking and repairing of spring charge motor and checking of tripping and closing coils.checking of equipment earthing and strucure earthing. maintaning gas levels, venting of circuit breakers, replacement of o-rings , gas kits including circuit breaker anylysis by circuit breaker analyser.checking of space heater and illumination.required as per schedule of maintenance 58 220kv sf6 breaker 59 132kv sf6 breaker 60 66 kv mocb/sf6 61 33 kv vcb 62 replacement of damaged pole of the circuit breaker including carriage of the equipment from divisional store to the site of work and back carriage of the damaged equipment to the divisional store