DISMENTLING OF OLD AND DEFECTIVE 60 MVA T/F-II AND INSTALLATION OF NEW 220/33KV 60MVA TRANSFORMER INCLUDING ALL ASSOCIATED WORKS

Amount

Following Work are to be carried out for the work of dismantling, shifting of defective 60 MVA T/F and erection of 60 MVA T/F at 220 KV S/S Bhelupur to complete the Job satisfactorily as per direction of Supervising Engineer.

Dismantling of Emulsifier water spraying system air and water pipe line by opening of their flange coupling and cutting by power cutter as per required for installation of other 60 MVA, 220/33 KV T/F at 220 KV S/S Bhelupur

Draining of oil from 60 MVA Transformer into 209 Ltr capacity in drums upto required level and its shifting in safe place at 220 KV S/S Bhelupur

Dismantling of 60 MVA defective T/F including A frame Header Radiator, conservator tank, connecting pipe lines cooling fans, and pump etc.

Shifting / dragging of defective oil filled main tank of 60 MVA 220/33 KV T/F up to 20-meter distance including turning of the T/F tank as required along with associated accessories from existing place to near open space.

Additional Shifting 100Mtrs. @ 5mtrs. /Per Job

Shifting / dragging of oil filled main tank of New 60 MVA 220/33 KV T/F up to 20-meter distance including turning of the T/F tank as required along with associated accessories form existing place to T/F plinth.

Additional Shifting 100Mtrs. @ 5mtrs. /Per Job

Complete erection of 60 MVA Transformer including A frame Header, Radiator, conservator tank bushing, Connecting pipe line, cooling fans and pump etc.

Centrifuging / Dehydration of the complete Transformer oil of new 60 MVA Transformer by vacuum filtration plant including taking the BDVs value of oil and magger values & PPM of the Transformer periodically till the required value is achieved including filling and topping up the above prepared Transformer oil and attending oil leakage if any with all cost of centrifuging machine CFM Operator approx.. 30 KL approx.

Earthing of main tank marshalling box drive mechanism, transformer neutral etc. of new 60 MVA T/F with the help of 50x6/75x10 mm size MS flat to be provided by the department its jointing with already laid earthmat /deltas at two palace and necessaries modification in existing support for earthing of neutral bushing support for its earthing work.

Jumpering of HV/LV bushing of new 60 MVA Transformer through with the help of newly prepared ACSR Moose Conductor with associated terminal connector to connect with jack bus as per required

Dismantling and shifting of above old RTCC panel of 60 MVA Transformer from relay room including necessary disconnection of control cable including identification of cable of necessary future connections and shifting the same at proper place /store and re-erection of new 60 MVA Transformer RTCC panel including shifting from store palace to control room

Opening of jumpher and earthing and dismantling of 198 KV LA for shifting of defective 60 MVA T/F and after shifting of new 60 MVA T/F for re erection of 198 KV LA complete with jumpher and earthing etc.

Connection of the control and power cable as per new cable schedule of new 60 MVA Transformer and its OLTC /RTCC panel at both end and control & relay panel cooling fans and pumps marshalling box etc. using existing cables including laying dressing bending of addition control cable as per site requirement.

Work for Installation and modification of high velocity automatic water spraying system on new 60 MVA, 220/33 KV T/F (Transformer commissioned in place of defective T/F) with laying odf fire detection / Water pipe line, Values, QBD, nozzles including along with all material, accessories relevant to complete as per detail

Remodeling of emulsifier for 60 MVA T/F 220/33 KV Transformer by using and laying of existing pipe lines of size 25 mm, 40 mm, 50 mm, 65 mm & 80 mm GI pipe Lines in overhead and using other components like deluge valve, QB detector, HV Nozzle used in emulsifier installed at existing 60 MVA Transformer as per specification complete with associated tees, Elbows, Bands, Socket, Flanges etc. by cutting, bending, fabricating and welding etc. of pipelines. The work also includes replacement of defective NRV at Deluge Valve, Back pressure valve, glow valve etc. if required. Painting of complete emulsifier pipelines by two Coats of PO red colour after applying one coat of red oxide primer including reparing/concreting work for pylon support etc. All the material/GI Pipes of different sizes will be provided by the Department.

Cleaning of dismantled HVWSN, disclosing Re- installation & commissioning of high velocity water spray nozzle of HD make listed flow capacity 3.5KG/cm2

Supply and Installation & Commissioning of high velocity water spray nozzles flow capacity 3.50 kg/cm2 spray core angle 900 (in nos.)

Cleaning and Dismantling QBD, Re- Installation & Commissioning of QBD of HD Make listed operator art79°C sensing at rated temperature for actuation of the element 10-12 Sec.K5.6 Pendant chrome finish.

Supply and Installation & Commissioning Quartzoid Bulb detectors (QBD) Operate at 900 C, Sensing at rated temp for actuation of the clement 10-12 sec (In nos.)

Re- Installation with fresh coat of painting along with modification of old GI pipe line as per detail with fitting of new elbow, t-sockets, bends as required and using it for the re-installation of emulsifier on new 60 MVA, 220/33 KV T/F.

Supply and laying of different sizes of MS Pipe “B” Class for fire water pipe line/support as per IS specification (IS Code – 1239) as per drawing enclosed complete Elbow, Tee, Socket Reducer etc. with anti-corrosive treatment with details as below (in mtr.)

Supply and laying of different sizes of GI Pipe “B” Class for fire detection/water pipe line/support as per IS specification (IS Code – 1239) as per drawing enclosed complete Elbow, Tee, Socket Reducer etc. (in mtr.)

Miscellaneous work including providing and fixing of items like alarm gong, Brass globe valve, back pressure Valve etc. and other work not included in the above work that may be necessary for completion work.

TAJ ENTERPRISES

SATKAR TRADERS

SAI KRIPA LIFT SHIFT COMPANY

Meena Elect & Engg. Works

Preeti Enterprises

Gupta Elect and Engg Works