Installation of new 63MVA 132/33KV Transformer alongwith other associated Works at 132KV Sub Station Richha, under E.T.D., Bareillyy

Amount

Installation of new 63MVA 132/33KV Transformer alongwith other associated Works at 132KV Sub Station Richha with all Cost of Men, Misc. Consumables, Crane / Hydra, Hydraulic Jacks, Normal & Special T&Ps, Rails Centrifuging Machine etc. Required for Satisfactory Completion of the Work with all due Care of Safety & Precautions as per Technical Specifications & Direction of the Supervising Engineer, as per Details below :

Erection of RTCC Panel of the 63MVA Transformer after Shifting of RTCC Panel from Stores to Control Room and then Making Cable Terminations as per Cable Schedule alongwithEarthing of the RTCC Panel.

(a) Shifting of Main Tank of the 63MVA Transformer to its Plinth from Storage Place upto20 Meter Distance including Turning of the Tank, as Required.

(b) Additional Shifting of Tank of the above Transformer upto75 Meter Distance. (1 Job for every 5 Meter or Part thereof)

Complete Erection of the above 63MVA Transformer including its Radiators, Conservator Tank, Turrets, HV / LV / Neutral Bushings, Connecting Pipe Lines, Cooling Fans, OLTC Drive Mechanism Box, Marshaling Box etc. alongwith all other associated Works.

Excavation of Trench in triangular shape around plinth for Diamond Earthing for 63 MVA T/F by Fabrication of 03 Nos. 3 Meter long Electrodes with 36mm/40mm dia. M.S. Round having 150 mm long conical Shape, its Piercing Vertically in Ground with top 700 mm below ground level, Jointing Electrodes with 75×10 mm M.S. Flat by proper Welding. Two No. risers of 75×10 mm M.S. Flat shall be welded with existing main earth mat to Auxiliary structure, one separate riser will be taken from the laid earth mat to corresponding T/F through surge counter for making of proper Mesh. Painting of the Shielding Mesh/Earthing Strips with anti-corrosive Paint and back filling of excavated trench including the cost of labour, T&P etc.

Centrifuging & Circulation of T/F Oil in above 63MVA Transformer, Un-interrupted till the Desired BDV Value of the Oil & IR Values of Bushings are Achieved including Hourly Recording all the Parameters such as Temp., Vacuum, Insulation Resistance etc. Centrifuging Machine, its Operator and all associated T&Ps shall be Arranged by the Contractor at his Own Cost.

Earthing of Main Tank, Marshaling Box, OLTC Drive Mechanism Box, Transformer Neutral etc. of the above 63MVA Transformer with the help of 75×10 mm / 50×6 mm size M.S. Flats, its Jointing with already Laid Earth Mat / Deltas at 2 Places with Necessary Fabrication & Erection of Support Structure for Laying of Earthing Strips to Connect with Neutral Bushing and then Painting of the Earthing Strips (M.S. / G.I. Channel / Angle and M.S. Flat as per Requirement shall be Provided by the Department).

Jumpering of the above 63MVA Transformer as per Details below :

(a) Jumpering with Single ACSR Panther Conductor and associated Terminal Connectors, P.G. Clamps etc. between HV side Bushings to 132KV Jack Bus Bar Conductors including all associated Equipments in between.

(b) Jumpering with Twin ACSR Moose Conductor and associated Terminal Connectors, P.G. Clamps etc. between LV side Bushings to 33KV Main Bus Bar including all associated Equipments in between.

Opening of Trench Covers, Laying & Dressing of Following sizes Control Cables on the Cable Racks in Cable Trenches from Control & Relay Panel to various Equipments for A.C. / D.C. Connection of Marshalling Box of 63MVA Transformer, CBs, Isolators, C.T. Junction Boxes etc. including Shifting of the Control Cable Drums from Stores at the Sub Station to Erection Site and Shifting Back the Balance Control Cables in Cable Drums to Stores at the Sub Station and Finally, Placing Back the Trench Covers :

Interconnection and Termination of above Laid Control Cables including Making necessary Holes in Gland Plates or Boxes where ever Required by Providing and Fixing of Cable Glands duly made of Brass of Appropriate sizes, Ferrules and Nos. for each Core of Cable and Crimping type Lugs of Dowell / Tension make as per Cable Schedule of 63MVA 132/33KV Transformer, its RTCC Panel, Cooling Fans, Marshalling Box, OLTC Driving Mechanism, C&R Panel etc. at both ends. The Work shall include Preparation of Interconnection Drawing, Commissioning of the Transformer in Co-ordination with the Departmental T&C Team and Providing a Soft Copy and 2 Sets of Hard Copies of the Cable Schedule and as Executed Interconnection Drawing.

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SHIVAM ENGINEERS

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SATKAR TRADERS