Erection of 315MVA 400/220KV ICT (Siemens make) and associated Mulsifire System including Transportation from 400KV Sub Station Panki, Kanpur alongwith other associated Works

Amount

Erection of 315MVA 400/220KV ICT (Siemens make) including Transportation of the same from 400KV Sub Station Panki, Kanpur to 400KV Sub Station Sarnath, Varanasi, with all Cost of Men, Misc. Consumables, T&Ps, Crane / Hydra, Centrifuging Machine, CFM Operator, CFM Lubricant etc. Required for Satisfactory Completion of the Job, as per Technical Specifications & Direction of the Supervising Engineer, as per Details below :

Dismantling of following old & used equipment by opening of nut - bolts, opening of jumpers and also removal of earthing and safe shifting of LA upto store and all other associated works.

198 KV LA (alongwith dismantling of structure & its shifting to storage place.

Shifting of following equipments from store to site, its erection alongwith required base modification of structure and all associate works, earthing etc.

198 KV LA (alongwith structure)

Removal of HV / LV jumper pipe, Neutral earthing strip electrical connection including cutting of channel / angle iron and removal from foundation.

Complete dismantling the accessories of 315 MVA Transformer (BHEL make) after opening of jumpers, removal of earthing and opening of cable connection, draining out the T/F oil upto required level in 209 Lit. capacity of oil drum / tanker, removal of all radiators, conservator tank, oil pipe line, all bushings, turrets, fan motors, marshaling boxes, OLTC panel etc., blanking the radiator, oil pipe lines, conservator tanks, turret etc. with proper gasket alongwith nuts & bolts to complete the job satisfactorily including proper stacking. Blanking plates, nuts & bolts shall be provided by the department. All necessary labour T&P etc. shall be arranged by the contractor at his own cost.

Dismantling all water and air pipe lines of Mulsifire system of 315 MVA Transformer, it’s safe shifting to storage place.

Complete drain out of the Transformer oil in 209 Lit. capacity oil drums of 315 MVA Transformer.

Create the vacuum in main tank and filling of nitrogen in 315 MVA T/F main tank.

Shifting of main tank of 315 MVA Transformer (BHEL make) from plinth to storage platform:

Shifting of Main Tank upto 20 Meter Distance (approx.) including Turning of Transformer Tank, as Required.

Additional Shifting of the Tank of above Transformer upto 150 Meter Distance. (1 Job for every 5 Meter and / or Part thereof)

After dismantling of 315 MVA Transformer shifting of 400 KV bushing, 220 KV & 33 KV bushing of Transformer, all fan & oil pump, motor, conservator tank, radiator to store including stacking of radiator to store including stacking of radiators.

Filling of Transformer oil in 315 MVA main tank from 209 Lit. capacity oil drums by help of centrifuging machine after shifting of transformer at desired place.

Draining of Complete Oil from 315MVA Transformer at 400KV Sub Station Panki, Kanpur into 209 Litre Capacity Oil Drums.

Creating the Vacuum & Filling with (-) 40 °C Due Point Nitrogen in Empty Tank of Transformer at 400KV Sub Station Panki, Kanpur and Maintaining the N2 Pressure up to Erection.

Shifting of Main Tank of the 315MVA 400/220KV Transformer to near Loading Place at 400KV Sub Station Panki, Kanpur upto 20 Meter Distance (approx.) including Turning of Transformer Tank, as Required.

Additional Shifting of the Tank of above Transformer upto 15 Meter Distance. (1 Job for every 5 Meter and / or Part thereof)

Loading of the Tank of the above 315MVA Transformer on Trailer, Jacking the Transformer Tank for Placing of Wooden Planks under Transformer Tank & similarly Lifting the Transformer Tank by Jacking & Placing continuous Wooden Planks until Platform comes at the Height of Trailer Bed, then Shifting the Transformer Tank from Wooden Platform to Trailer bed Proper Tightening of Transformer mounted on Trailer with the help of Steel Wire Rope & Heavy Turn Buckle for Safe Transportation at 400KV Sub Station Panki, Kanpur.

Shifting of Accessories including Transformer Oil in Drums of the above 315MVA Transformer to near Loading Place at 400KV Sub Station Panki, Kanpur, as Required and Loading on Trucks to be Arranged by the Contractor.

Providing of Impact Recorder before Start of Carriage of Main Tank of 315MVA T/F at 400KV Sub Station Panki, Kanpur to 400KV Sub Station Sarnath, Varanasi for checking of any Impact on Core & Winding inside the Transformer Main Tank after complete of journey. Report of Impact Recorder has to submit to Supervising Engineer within 10 Days by the Contractor.

Safe Carriage of Main Tank of the 315MVA Transformer by Private Trailer to be Arranged by the Contractor from 400KV Sub Station Panki, Kanpur to 400KV Sub Station Sarnath, Varanasi via appropriate route, Distance approx. 525 Km) excluding the Cost of Transit Insurance. Transit Insurance shall be Got Done by the Contractor which shall be Reimbursed on Actual Basis.

Safe Carriage of Accessories including Transformer Oil in Drums of the above 315MVA Transformer by Private Trucks to be Arranged by the Contractor from 400KV Sub Station Panki, Kanpur to 400KV Sub Station Sarnath, Varanasi (Distance approx. 400 Km) Excluding the Cost of Transit Insurance. Transit Insurance shall be Got Done by the Contractor which shall be Reimbursed on Actual Basis.

Unloading of the Tank of the 315MVA Transformer from Trailer. Jacking the Transformer Tank for Placing the Rail under the Tank & Shifting it to Wooden Platform, Removal the Rail under the Transformer Tank on Wooden Sleeper, Lowering the Tank towards Ground Slowly & Removing the Wooden Sleepers under the Tank and Unloading of Accessories including Transformer Oil in Drums of the above 315MVA Transformer to Safe Un-Loading Place from Trucks and Shifting / Stacking of same to near Erection Site at 400KV Sub Station Sarnath, Varanasi.

Shifting of Main Tank of the 315MVA 400/220KV Transformer to its Plinth from Place of Unloading upto 20 Meter Distance including Turning of the Tank, as Required at 400KV Sub Station Sarnath, Varanasi.

Additional Shifting of the Tank of above Transformer upto 10 Meter Distance. (1 Job for every 5 Meter and / or Part thereof).

Providing of Dry Air at the Time Opening of Blanking Plate for Erection of 315MVA Transformer Main Tank and Filling of Dry Air of dew Point (-) 40 °C or Better for Completion of Work. The Work shall including Connecting Pipe as Required Measuring Due Point Values of Dry Air.

Providing of new Gaskets of Radiators, HV / LV / Tertiary Bushing / Turret, and Oil Pipe Lines etc. excluding Main Tank. (Crane shall be Arranged by the Contactor).

Complete Erection of the 315MVA Transformer including its Radiators, Conservator Tank, Turrets, Connecting Pipe Lines, HV / LV / Neutral Bushings, Cooling Fans, OLTC Drive Mechanism Box, RTCC Panel, Oil Pump, Marshalling Box, OTI, WTI, Capillary Tubes etc. and attending the oil leakage if any satisfactory completion of work.

Complete Evacuation of 315MVA Transformer Main Tank and Filling of Dry Air of dew Point (-) 40 °C or Better in Vacuum up to Pressure of 0.25Kg / Cm² and the again Evacuating the Transformer Tank after Required Time Interval (approx. 12/24 Hrs.) using Centrifuging Machine. The Work shall including Connecting Pipe of Machine as Required Measuring Due Point Values of Dry Air after every Cycle till the Required Value is Achieved.

Creating the Vacuum inside the 315MVA Transformer before Filling the Transformer Oil including Vacuum Stand Test.

Filling of Fresh Transformer Oil from Transformer Oil Drums in 20KL Capacity Oil Tanker and then Centrifuging of the Transformer Oil by Ultra High Vacuum Oil Filtration Plant after Connecting the Centrifuging Pipes with Oil Tanker to Oil Filtration Plant including Taking the BDV Values of Oil, Periodically (every 2 hrs.) and also Taking the Water Content (PPM) Values till the Required Value is Achieved.

Filling & Topping Up of Centrifuged Transformer Oil under Vacuum in Main Tank, Radiators, Conservator Tank etc. Centrifuging / Dehydration of the Complete Transformer Oil of 315MVA Transformer by Ultra High Vacuum Oil Filtration Plant after Connecting the Centrifuging Pipe with Transformer Tank to Oil Filtration Plant including Taking the BDV Values of Oil and IR Values of the Transformer Bushings, Periodically (every 2 hrs.) and also Taking the Water Content (PPM) Values till the Required Value are Achieved including Attending the Oil Leakages, if any.

Overhauling of Diverter Switch after Removing of Oil and Dirty Transformer Oil from its Chamber Filling the Fresh Centrifuged Transformer Oil its Centrifuged Circulation as per Norms of Transformer.

Earthing of Main Tank, Marshalling Box, OLTC Drive Mechanism Box, Transformer Neutral etc. of 315MVA Transformer with the help of 50 × 6 mm / 75 × 10 mm size M.S. Flats to be Provided by Department, its Jointing with already Laid Earth Mat & Delta at 2 Places including necessary Modifications in existing Earthing Strip Support Structure and then, Painting of the Earthing Strips above Ground Level with 2 Coats of Synthetic Enamel Paint in Bus Green Colour.

Jumpering of HV side Bushings of the 315MVA Transformer to Connect with HV side CTs with ACSR Twin Moose Conductor, associated Terminal Connectors etc.

Jumpering of IV side Bushings of the 315MVA Transformer to Connect with 220KV Jack Bus with the help of ACSR Twin Moose Conductor, associated Terminal Connectors, P.G. Clamps etc.

Making Terminations / Connection of the Control & Power Cables as per new Cable Schedule of 315MVA Transformer, RTCC Panel, Control & Relay Panel, Cooling Fans, Pumps, Marshalling Box, OLTC Driving Mechanism etc. using new Cables including Laying, Dressing & Binding of Control Cables as per Site Requirement alongwith Making necessary Holes in the Gland Plate / Box, wherever Required including Providing & Fixing of Cable Glands of appropriate sizes, Providing of Ferrules etc.

Erection, Modification, Hydraulic Testing & Commissioning of Complete Mulsifire System on 315 MVA, 400/220KV Transformer by installation of high velocity Automatic Water Spraying System including Laying, Fixing & Fitting of G.I. Pipe Lines complete with Elbows, Tees, Sockets, Flanges, Bends, Fire Nozzles of required sizes, Q.B. Detector Assembly with Quartzoid Bulbs, Pressure Gauges, Pressure Switches, Deluge Valve etc. after due Cutting, Extending of Pipe Lines, Providing of Gaskets / Packing of required sizes including Installation of 80 mm dia. G.I. Pipe Supports by due Construction of RCC Foundation with Grouting of Foundation Bolts, Providing & Fixing of Round Clamps on Support Pipes alongwith 2 coats Painting of Water Pipe Lines in P.O. Red Colour, Air Pipe lines in Sky Blue Colour, Pipe Supports in Black Colour and Earthing Strips in Bus Green Colour Synthetic Enamel Paint after applying of 1 coat of Red Oxide Primer, with all cost of Men, Materials, Misc. Consumables, T&Ps etc. required for satisfactory completion of the work as per Technical Specifications & direction of the Supervising Engineer, as per details below :

Supply, Installation, Testing & Commissioning of quick Opening Flood, Deluge Valve of HD of 150NB as per Max working pressure 10 Kg/cm2, as per specification (HD / Mather Platt make).

Installation & commissioning of 80mm dia GI Pipe (from old existing pipe) for Support and water pipe line as required with round clamp at top and flanges at bottom including welding, required cutting of pipe etc. required to complete the job.

Fixing of Pylon support foundations, grouting of foundation bolt for support and plastering etc. to complete the job.

Installation of following size of Old GI Pipe ‘B’ Class for Fire Detector / Water Pipe Line as per specification (IS Code-1239) and drawing enclosed complete with Elbow, Tee Socket, flange, Bend, Reducer etc.

25 MM Dia

50 MM Dia

65 MM Dia

80 MM Dia

100 MM Dia

Meena Elect & Engg. Works

Delhi Oil Corporation