Work

Amount

Following works are to be carried out at 132KV S/S Mohammadi, Lakhimpur under ETD- Lakhimpur for Shifting and safe Transportation of 132/33KV 20MVA Transformer along with associated works including all cost of men, misc. Consumables, T&P, hydra etc. to complete the job satisfactorily:

Shifting of main tank of 132/33KV damaged 20MVA Transformer from plinth to place of storage upto 20 Meter distance including turning of tank if required.

Additional shifting of Transformer Tank upto 30 Meter distance (1 Job for every 5 Meter)

Proper packing of HV Bushing of 20MVA Transformer including proper wrapping with polythene sheet in Wooden Crate.

Loading of 20MVA Transformer Main Tank, Conservator, Radiators, Bushings and its other parts along with oil drums on the truck/ tailor safely to avoid any type of damage at 132KV S/S Mohammadi, Lakhimpur.

Safe carriage of 132/33KV 20MVA Transformer and its accessories e.g. 132KV Bushings, conservator tank and oil drums of the transfomer from trailer arranged by contractor from 132KV S/S Mohammadi, Lakhimpur to 220KV S/S New Tanda. (distance around 400 Km. a side) with all due care of safety and precautions including arrangement of Transit Insurance.

Following works are to be carried out at 220KV S/S New Tanda under ETD Ayodhya for installation of 132/33KV 20MVA Transformer in place of damaged 132/33KV 20MVA Transformer-II along with associated works including all cost of men, misc. Consumables, T&P, Crane, Centrifuging Machine etc. to complete the job satisfactorily:

Unloading of 20MVA Transformer Main Tank, Conservator, Radiators, Bushings and its other parts along with oil drums on the truck/ tailor safely to avoid any type of damage at 220KV S/S New Tanda, Ambedkar Nagar.

Dismantling of 120KV L.A. of R, Y & B Phase of 132KV side along with jumpers & structure.

Disconnection of all jumpers from HV/ LV Bushing, cable connection from Marshalling Box and C&R Panel as required of damaged 20MVA Transformer.

Drain of oil of damaged 20MVA Transformer's main tank in oil drums (approx 10 drums) and shifting to storage place.

Partly dismantling of 20MVA Transformer by opening its HV Bushing & Turrets, Radiators, All Pipe Lines, Buchholz Relay, Conservator Tank, Cooling Fan etc.

Shifting of main tank of 132/33KV damaged 20MVA Transformer from plinth to place of storage upto 20 Meter distance including turning of tank if required.

Additional shifting of Transformer Tank upto 80 Meter distance (1 Job for every 5 Meter)

Shifting of Main Tank of 132/33KV 20MVA Transformer to plinth from place of storage upto 20 Meter distance including turning of tank if required.

Additional shifting of Transformer Tank upto 80 Meter distance (1 Job for every 5 Meter)

Complete erection of 132/33KV 20MVA Transformer HV Bushing & Turrets, Radiators, All Pipe Lines, Buchholz Relay, Conservator Tank, Cooling Fan, WTI, OTI etc.

Earthing of Main Tank, Marshalling Box, Drive Mechanism, Transformer Neutral etc. Of 20MVA Transformer with the help of 50mmx6mm/ 75mmx10mm size MS Flat, its jointing with already laid Earthmat/ Deltas and then painting of earthing strips as per technical specification/ standard practice.

Draining out of complete oil from 20MVA Transformer in oil storage tank/ oil drum for replacement of old and damaged gaskets as per technical specification.

Complete replcament of damaged gasket of 20MVA Transformer by providing new gaskets as per required size good quiality rubberized cork sheet of New Konika/ Trabroze make including Top Cover, Bushings, Radiators, Inspection Plates, Header Valves, Pipelines, instruments etc.

Flushing of Main Tank Core and Winding by hot centrifused Transformer Oil.

Vacuum treatment of 20MVA Transformer for 24 Hrs. at 760mm/Hg.

Transformer oil preparation before filling into transformer including transfer of fresh transformer oil from oil drum in oil tank and then dehydration of transformer oil by Ultra High Vacuum Oil Filtration Plant including taking BDV, PPM Values of oil periodically till the required value is achieved with all cost of centrifuging machine, CFM Operator, Lubricants etc.

Filling of transformer oil into 20MVA Transformer and Centrifuging/ dehydration of the complete Transformer oil, Core & Winding including Radiators & OLTC chamber of 20MVA Transformer using ultra high vacuum oil filtration plant including taking the BDV, PPM Values of oil & Megger values of the Transformer periodically till the required value is achieved with all cost of centrifuging machine, CFM Operator, Lubricants etc.

Erection of 120KV L.A. Of R, Y & B Phase 132KV side with structure.

Jumpering of HV & LV Bushing of 20MVA Transformer through 120KV & 30KV L.A. With the help of existing ACSR Panther & ACSR Moose conductor respectively.

Connection of cables as per cable schedule of 20MVA Transformer Marshalling Box, C&R Panel, Cooling Fans etc. Using existing cable including laying of additional control cables if required as per site requirement and termination and connection of all existing/ new control cables as per technical specifications.

Proper packing of HV Bushing of dismantaled damaged 20MVA Transformer including proper wrapping with polythene sheet in Wooden Crate.

Replacing and laying of following sizes of 1.1KV Copper Control Cable inplace of damaged control cable in the cable trench from C&R Panel to various equipments etc. in switchyard as per cable schedule including shifting of cable drums from store to site and other associated works to complete the job satisfactorily as per technical specification and shifting back balance material to the store after completion of work.

Dismantling of following equipments with due opening of jumper, earthing, cable connection etc. with all other associated work for satisfactory completion of job:

36KV Circuit Breaker

Dismentling of Lattice type main and auxiliary structures

Erection of Lattice type main and auxiliary structures

Making of MS Flat meshy cover for 250KVA Station Transformer-2 to protect from fall of overhead conductor of 132KV Jalalpur Line. The work includes cutting, bending & welding of MS Flat, proper grounding through MS Round and making 08 Nos. ALP foundation for support as per technical specification. MS Flat/ Foundation Bolt to be provided by department.

Earthing of structures and equipments:

50mmx6mm MS flat (including painting)

25mmx6mm MS flat (including painting)

Lowering down of R & Y Phase condutor of 33KV Main Bus Section-B by opening tension fitting from gantry to replace damaged conductor and Disc.

Rehoisting of R & Y Phase conductor of 33KV Main Bus Section-B by opening tension fitting from gantry after replacing damaged conductor and Disc.

Opening of defected jumper between 33KV Section-B gantry to 250KVA Station Transformer-2 of Panther Conductor and re- jumpering with fresh Panther Conductor as per technical specification including replacing of damaged post insulators.

Erection of following equipments including shifting of material from store to site:

36KV VCB

36KV Current Transformer

36KV C.T. Junction Box

30KV Surge Arrester

Testing of 145KV SF6 Circuit Breaker i.e. CRM, Timming/ Operation test as per technical specification including cost of men and T&P.

Preeti Enterprises

SHIVAM ENGINEERS