WORKS

Amount

Installation, Erection, Testing & Commissioning of 132/33kV, 100 MVA Transformer (Aditya Make, S. No M-157/2) in place of 63 MVA T/F-I (TAL Make) against Increasing capacity including all other associated works at 220kV Sub-Station, Sector-129, Noida

Complete dismantling of the accessories of 132/33kV 63 MVA T/F-I (TAL make) at 220 KV S/S Sector-129 including removal of all radiators, conservator tank, oil pipe lines, bushings etc. and shifting/stacking them as per the instructions of site incharge including all other associated works and T&P required to complete the work.

Shifting/Dragging of Main Tank of 132/33kV 63 MVA T/F-I (TAL make) from plinth to storage Iocation as per the direction of site incharge at 220 kV Sub-Station Sec-129, Noida.

a) Upto 20 Mtrs distance

Shifting/Dragging of Main Tank of 100 MVA , 132/33kV T/F from road to T/F Plinth as per the direction of site incharge at 220 kV Sub-Station Sec-129, Noida

a) Upto 20 Mtrs distance

Complete safe erection of New 100 MVA , 132/33kV T/F including all Bushings & their Turrets, A-Frames with headers (incuiding alignments), Radiator banks, Conservator Tank, connecting oil pipe lines, motor driven mechanism of Tap Changer, Marshalling Box and associated pipe line etc. to complete the job satisfactorily.

Hot Oil Circulation of T/F oil of New 100 MVA , 132/33kV T/F in Main Tank, Radiators or Oil Tanker by connecting 6/12 KL Centrifuging Machine with New Filters for dehydration of oil, Windings etc. and taking & recording BDV values of oil and IR values of transformer windings periodically till the required value is reached including filling & topping up of oil in Main Tank, Radiators, Conservator Tank, OLTCs etc. as per direction of Supervising Engineer/standard practices.

Earthing with 75x10/50x6mm M.S flat of 100 MVA , 132/33kV T/F Main tank at two points, Neutral 'Bushings, Drive mechanism etc. of T/F and connection with existing Earth Mat / Delta along with necessary modification , jointing/ welding are required including painting by green paint in two coats. (MS Flat shall be arranged by the Department.)

Connecting of jumpers of 132 kV & 33 kV side of connectors and clamps /PG clamps including changing of jumpers if required etc. along with necessary modification in LA support structure and all other associated works to complete the job.

Erection of RTCC Panel of New 100 MVA , 132/33kV T/F ( TAL make) including its earthing & connection of existing Control Cables already identified along with shifting from store to control room. Laying of additional control cables is also to be done as per site requirement if required. Note: Making of Cable schedule will be under contractors' scope.

Connection & necessary additional laying of control cables including glanding & termination between Turrets WTI, OTI, Buchholtz relays, PRV, Cooling fans, oil pumps, OLTC, Marshaling box, RTCC etc. with proper ferruling as per drawing/ site requirement. Note: Making of Cable schedule will be under contractors' scope.

Pre-Charging testing of transformer, if required, as per standard technical specifications with duly calibrated testing instrument, as required by the transformer manufacture along with prepration and submission of test-reports, including but not limited to following test: 1. Winding Resistance Measurement 2. Turns Ratio Measurement 3. Tan-Delta Measurement of Winding and Bushings 4. SFRA Testing of Transformer

Sampling and testing of transformer, if required, oil at CPRI or any other NABL accredited testing lab including cost of transportation of each sample in standard sampling bottles (adequate number of bottles to be arranged by contractor). Samples to be taken at required intervals (as per actual requirement)-Following tests are to be conducted for eaeh sample-1.Breakdown voltage 2. Moisture Content, 3. Dissolved Gas Analysis.

Submission of inspection charges for Electrical Safety Clearance from Directorate of Electricat Safety, Lucknow, Uttar Pradesh for carrying out inspection of above 100MVA TF Transfromer and obtaining charging clearance as per statutory norms (Amount to be reimbursed on actual basis)

Meena Elect & Engg. Works (BID ID -4788707)