Dismantling, shifting (from 132 KV S/s Almora to 132 KV S/s Kichha), re-erection and commissioning of 20 MVA, 132/33 KV transformer at 132 KV S/s Kichha

Electrical Items :

Safe and proper disconnection of IMP make 20 MVA, 132/ 33 KV transformer at 132 KV S/s Almora from HV & LV side bays by opening of all the jumpers alongwith associated clamps, connectors, cables, earthing system including disconnection of marshalling box, cooling fans etc. complete in all respect as per standard procedures and instructions of engineer incharge including cost of all material, comsumables, labour and T&P required for the proper completion of work.

Safe and proper opening of all the terminal connections and inter-connections and dismantling of various panels and accessories such as C&R Panels, RTCC Panel, Marshalling Box, WTI & OTI system etc. at both ends i.e. switchyard end and control room end, by ensuring proper safety of ferrules, terminals, lugs, cable identification number tagging etc. as per executed drawings and proper packaging of all the material before its transportation as per instructions of engineer incharge including cost of all material, comsumables, labour and T&P required for the proper completion of work.

Safe and proper dismantling of NIFP system and its accessories (indoor & outdoor) by ensuring proper safety of all the terminal connections, valves, couplings, piping system, control and display system etc. as per OEM's standard procedures and instructions of engineer incharge including cost of all material, comsumables, labour and T&P required for the proper completion of work.

Carrying out following statutory electrical tests and oil tests on 20 MVA transformer at 132 KV S/s Almora prior to dismatling and shifting as per OEM's instructions manual including submission of tests results/reports in 3 sets as per instructions of engineer incharge including cost of all material, comsumables, labour and T&P required for the proper completion of work.

Ten Delta, SFRA & Other tests in rest position on plinth at 132 KV S/s Almora

General, DGA & Dew Point tests on transformer oil from CPRI

Impact Recorder Fixing for Tests

Collection of empty drums (approximately 80 nos. of 209 Litre capacity each) from 220 KV S/s Pantnagar & 132 KV S/s Kichha and their safe transportaion to 132 KV S/s Almora for filling and storage of drained oil of 20 MVA transformer as per directions of engineer incharge including cost of all material, comsumables, labour and T&P required for the proper completion of work.

Safe and proper shifting of departmental Oil Filtration Plant of 12 KLPH capacity from 220 KV S/s Pantnagar to 132 KV S/s Almora and back from 132 KV S/s Almora to 132 KV S/s Almora (Distance Approximately 2×135=270Kms.) including loading, unloading, shifting, carraige etc. and making arrangements as welding, de-welding, drilling, fabricating flanges etc. required to connect the oil filtration plant with 20 MVA transformer, storage tanks etc. for the successful filteration and transfer of oil at both ends i.e. at 132 KV S/s Almora and 132 KV S/s Kichha as per direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Safe and proper draining of oil from 20 MVA transformer's main tank, bushings, radiators and conservator tank (quantity approximately 16 KL) as per standard procedures and OEM's instructions manual with the help of Oil Filtration Plant and proper storage of drained oil in empty oil drums including cost of all material, consumables, labour and T&P required for the proper completion of work.

Safe and proper dismantling of 20 MVA transformer and its accessories i.e. bushings, turret CTs, radiators, cooling fans, complete pipe system, conservator tank, various relays etc. complete in all respect as per OEM's instruction manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Fixing, packaging and sealing of all the openings of transformer parts and accessories i.e. bushing turrets, cover plates, inspection plates, pipe line of conservator tank, equiliser pipe lines, all flanges before its transportation with the help of nut & bolts, washers and gaskets complete is all respect as per the direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Filling up of nitrogen gas of adequate pressure in main tank of 20 MVA transformer after closing of all the inspection windows and all plates as per the OEM's instructions manual as well as additional arrangement for filling of nitrogen gas and availability of adequate spare nitrogen cylinders for maintaining nitrogen pressure during transportation including making of the separate arrangements for nitrogen pressure gauge montoring as per direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Safe and proper dragging, shifting and loading of complete transformer, its accessories and peripherals such as main tank, bushings, turret CTs, radiators, cooling fans, complete pipe system, conservator tank, various relays, WTI & OTI, marshalling box, RTCC panel, complete NIFP system and its accessories and transformer oil filled drums (approximately 80 nos.) etc. from switchyard and control room to suitable place for loading onto suitable carrier vehicles such as hydraulic trailers with the help of hydraulic jacks, sleepers, hydraulic cranes, ceillings etc. and all additional arrangements required for safe loading and transportation of material complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Safe and proper transportation of all the material mentioned in serial no. 11 in hydraulic trailer, from 132 KV S/s Almora to 132 KV S/s Kichha (distance approximately 135 Kms.) with all safety arrangements and complete cost of all packaging, all necessary approvals and expenses as per RTO's statutory norms for shifting of such material including insurance of complete transformer & accessories, complete in all respect as per the directions of engineer incharge including cost of carraige, material, comsumables, labour and T&P required for the proper completion of work.

Safe and proper unloading of complete transformer, its accessories and peripherals such as main tank, bushings, turret CTs, radiators, cooling fans, complete pipe system, conservator tank, various relays, WTI & OTI, marshalling box, RTCC panel, complete NIFP system and its accessories and transformer oil filled drums (approximately 80 nos.) etc. from carrier/vehicle to a suitable place inside switchyard at 132 KV S/s Kichha with the help of hydraulic jacks, sleepers, hydraulic cranes, ceillings etc. and all additional arrangements required for safe unloading & shifting of material complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Safe and proper draging and shifting of 20 MVA transformer inside switchyard from unloading place onto transformer plinth with the help of hydraulic jacks, sleepers, ceillings etc. with all the additional arrangements required for safe dragging & shifting including shifting of other transformer accessories & peripherals such as bushings, turret CTs, radiators, cooling fans, complete pipe system, conservator tank, various relays, WTI & OTI, marshalling box, RTCC panel, complete NIFP system and its accessories and transformer oil filled drums (approximately 80 nos.) etc. complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Carrying out following statutory pre-erection tests on 20 MVA transformer at 132 KV S/s Kichha prior to erection & commissioing of transformer as per OEM's instructions manual including submission of tests results/reports in 3 sets as per instructions of engineer incharge including cost of all comsumables, labour and T&P required for the proper completion of work.

SFRA test in rest position on plinth at 132 KV S/s Kichha

Impact Recorder Tests

Safe and proper erection of 20 MVA transformer, its accessories & peripherals such as main tank, bushings, turret CTs, radiators, cooling fans, complete pipe system, conservator tank, various relays, WTI & OTI, marshalling box, RTCC panel etc. including earthing of the system complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Leakage testing of 20 MVA transformer after putting on vacuum of adequate pressure and for adequate time period as per OEM's instruction manual and then safe and proper de-vacuuming of transformer and applying of nitrogen release process from transformer till achieving the satisfactory IR values complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Complete replacement of all the gaskets of 20 MVA transformer main tank, inspection plates, bushings, radiators etc. with best quality rubberrised cork sheet of specified size after proper removal of old gaskets, complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Centrifusing of transformer oil (quantity approximately 16 KL) till satisfactory BDV results are achived and filling up of oil in main tank, radiators etc. and topping up of conservator tank complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Development of cable schedule and termination scheme (if required) and carrying out work of cable laying, termination of all connections and inter-connections both outdoor and indoor ends in marshalling boxes, cooling fan ciruits, RTCC panel, HV & LV C&R panels etc. as per standard practices, complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material (except control & power cables), consumables, labour and T&P required for the proper completion of work.

Safe and proper erection and commissioning of NIFP system complete in all respect as per OEM's instructions manual and direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Complete pre-comissioning testing of transformer such as open circuit tests, short circuit tests, vector group, stability tests, insulation tests, winding resistance tests, tan delta tests, SFRA tests and other tests etc. as per relevant IS and OEM's manual including testing of HV and LV side bay equipments i.e. 132 KV & 33 CBs, 132 KV & 33 KV CTs, 132 KV & 33 KV PTs, RTCC & C&R Panels etc. and submission of tests reports in 03 copies jointly signed with O&M and T&C wing of PTCUL before charging of transformer, complete in all respects as per direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work.

Safe and proper jumpering work of transformer with its HV and LV side bays i.e. all equipments and bus bars etc. includiung all HT/LT conections complete in all respects and charging of transformer as per direction of engineer incharge after obtaining statutory clearance from EI including cost of all material, consumables, labour and T&P required for the proper completion of work.

Collection of oil samples of transformer and its testing for DGA and other relevant tests from CPRI as per direction of engineer incharge including cost of all material, consumables, labour and T&P required for the proper completion of work and submission of reports in 03 copies at the earliest.

KARAN SUPER ELECTRICAL WORKS