CARRIAGE OF 100MVA, 220/132KV TRANSFORMER FROM 220 KV S/S BONER (ALIGARH) TO 220 KV S/S BHARTHANA, DISMANTLING AND SHIFTING OF 100 MVA, 220/132KV CGL MAKE TRANSFORMER AND ERECTION OF 100 MVA, 220/132KV ALSTOM MAKE TRANSFORMER AT 220KV S/S BHARTHANA

Amount

Shifting, loading, carriage and unloading of 100 MVA, 220/132 KV Transformer ( Alstom) from 220 KV Sub-Station Boner to 220 KV Sub-Station Bharthana and its erection at 220 KV Sub-Station Bharthana.

Draining of complete oil from 100MVA, 220/132kv Transformer ( Alstom) at 220 KV S/S Boner into 209 liter drums.

Partially dismantling of 100 MVA, 220/132kv T/F (ALSTOM) and proper blanking alongwith proper packing at 220 KV S/S Boner.

Create the vacuum and filling into empty tank of transformer with -400C due point Nitrogen/Dry air at 220kv s/s Boner, Maintaned the N2 pressure up to 220kv s/s Bharthana

Shifting of main tank of 100 MVA, 220/132 KV T/F ( Alstom) with accessories to near loading place the Approx. up to 20 meter including turning of T/F tank if required at 220 KV S/S Boner.

Additional shifting 30 Mtr.@5Mtr./job

Loading of above 100 MVA, 220/132 KV T/F ( Alstom) on Trailer, jacking the Transformer tank for placing of wooden planks under T/F tank & similarly lifting the T/F 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 tighting of T/F mounted on trailer with the help of wire rope & heavy turn buckle for safe transportation.

Safe carriage of 100 MVA, 220/132kv T/F ( Alstom) main tank with all accessories with T/F oil by private trailer/truck from 220 KV S/S Boner to 220 KV S/S Bharthana by Hydraulic multi Axle Trailer distance being approx. 240 Km. Insurance shall be got done by the contractor as per direction of Supervising Engineer which shall be reimbursed on actual (Via Boner to Agra to 220 KV Bharthana, Etawah)

Unloading of 100 MVA, 220/132kv Transformer ( Alstom) 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 toward ground slowly & removing the wooden sleepers under the tank at 220 KV S/S Bharthana.

Partialy dismantling and safe stacking of existing mulsifire along with their air pipe line, water pipe line etc and proper stacking at site store.

Partialy dismantling of defective 100MVA, 220/132kv, CGL make Transformer and proper blanking at 220 KV Sub-Station Bharthana.

Shifting of main tank of defective 100 MVA Transformer (CGL) with accessories from plinth to near safe place the Approx. distance up to 20 meter including turning of T/F tank if required at 220 KV S/S Bharthana.

Additional shifting 225 Mtr. @ 5Mtr./job

Shifting of 100 MVA, 220/132kv T/F ( Alstom) with accessories from unloading point to plinth with the help of rail pulling device sleepers etc. up to distance of Approx. up to 20 Mtrs. Including turning if required at 220 KV S/S Bharthana.

Additional shifting 5 Mtr.@5mtr/job

Replacement of all new gasket of Top cover, radiators, HV/LV/Tertiary bushing, oil pipe lines etc. (Crane shall be arranged by Contactor).

Complete evacuation of 100 MVA, 220/132kv Transformer main tank and filling of N2 / Dry Air of dew point -400 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 centrifusing machine the work shall include connecting pipe of machine as required measuring machine, the work shall include connecting pipe of machine as required measuring dew point values of N2 / Dry Air after every cycle till the required value is achieved.

Painting of 100MVA, 220/132KV T/F ( Alstom), first coat of red oxide and Second coat of smoke grey/aluminum enamel paint as per direction of supervising Engineer.

Shifting of oil tanker from site store to working site and filling the T/F oil from oil drum to tanker and its centrifusing upto required BDV.

Complete Erection of 100MVA, 220/132kv T/F (Alstom make) and by erection of radiator, conservator tank, all HV/LV/tertiary bushings, their turrets, connecting all pipe lines, A frame, pump, cooling fan ( rewinding & overhauling if required), motor driving mechanism of tap changer, RTCC panel, cooling oil pump( rewinding and overhauling if required) and associated oil pipe lines etc to complete the job satisfactory.

Earthing of 100 MVA T/F main body at two points using MS Flat 75x10mm./50x6mm. MS Flat connected with marshalling box and drive mechanism, OLTC panel, providing the wheel stopper, making the fresh delta for neutral earthing and connection with MS flat as per site requirement. painting of MS Flat of neutral earthing, first coat of red oxide and second coat of green enamel paint as per direction of supervising engineer. 40mm MS Round and 75x10mm MS Flat will be provided by the department free of cost.

Centrifuging of complete T/F oil before filling in main tank of T/F upto desired BDV, PPM may be achieved and refilling of the same into the main tank and other accessories by vacuum of any other means. Centrifuging of T/F oil by circulating in radiators, main tank conservator through centrifuging machine and taking the BDV, PPM of oil and megger value of the T/F periodically till the required value is achieved as per direction of supervising engineer. The work includes all the work related to centrifuging the oil

Dismantling of old RTCC panel of defective 100MVA, 220/132kv T/F (CGL Make) after removing of all terminal connection and earthing of panel safely and shifting from control room to store site.

Laying, dressing and binding of cable including fixing of cable tray, support structure and termination of cables, proper gladding of cable, marking the top and its ferruling as per schedule and inter connection including shifting of old cable and laying of new cable as per requirement of RTCC panel, marshalling box and driving mechanism.

Preparing and fitting of ACSR Zebra conductor jumper on HV side of 100 MVA, 220/132 KV T/F & LA's and other all associated work.

Preparing and fitting of ACSR Zebra conductor jumper on LV side of 100 MVA, 220/132 KV T/F & LA's after erection of 03 Nos ALP S/S structure on plinth & 03 Nos 120 KV LA, surge counter then make earthing of their ALP strucure at two places & surge counter with its DELTA earthing. And other all associated work.

Installation of mulsifire system on 100MVA, 220/132KV

Installation of high velocity automatic water spraying system for 100MVA, 220/132KV T/F including laying of fire detection water pipe line valves, quartzoid, HVWS nozzles alongwith all material complete.

Supply & installation testing commissioning of quick opening flood, deluge of HD of 150NB as per Max working pressure 10Kg /Cm2 as per Specification (HD/ Mather Platt/Equilanr)(in nos.)

Supply & installation & Commissioning of gate valve (sluice Valve/Butterfly Valve) as per IS specification (IS Code: 14846 Zoloto/Kartar/Sir make)(In nos).

Supply & installation & testing commissioning of “Y” Type stainer (Kartar Sir/Kalpana/Agra Make) of Dia, Max working pressure 7Kg/cm2 (in Nos).

Supply & laying of different size of M.S pipe B class for fire water pipe line/support as per IS specification (IS Code- 1239) Complete with elbow Tee socket reducer etc. with anti-corrosive treatment with detail as below.

Supply & laying of different size of GI pipe B class for detection water pipe line as per specification (IS Code-1239) as per drawing enclosed complete with elbow Tee Socket reducer.

Supply & laying of different size of GI pipe B class for detection water pipe line as per specification (IS Code-1239) as per drawing enclosed complete with elbow Tee Socket reducer.

Supply, Installation & Commissioning of high velocity water spray nozzles flow 3.5Kg/cm2 Spray core angle 900 .

Supply & Installation & Commissioning of Quartzite bulb detectors (QBD) operate at 900 C sensing at rated temp for actuation of the element 10-12 sec.

Supply, Installation & testing Commissioning of fixed differential switch (Danfoss/Indfoss Make) type pressure switch range 1-10 Kg cm2 .

Pressure gauge as per IS Specification IS Code- 3624 Accuracy 5%.

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