Onsite Servicing of Power TF installed at various Sub Station

Select, Excess (+), Less (-)

Tender Inviting Authority: Superintending Engineer (Store), DVVNL, Agra

Name of Works: Onstie Servicing of Power TF installed at various 33/11 KV S/s under DVVNL, Agra

Tender Specification No. ESC/A/T-09 (2025-26)

Sl. No. Name of Work Item Code / Make Tendered Quantity Units Quoted Qty. Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency Unit Rate in (Rs.) Unit Rate per K.M. in (Rs.) Total Rate in Rs. GST (in %) GST Amount (in Rs.) Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category DVVNL Supply

0 For 5 MVA Transformer Item 1 100 JOB. Excess(+) Full Conversion INR DVVNL

1 Dismantling of jumpers, cables, bus bars etc. Item 2 1 Job Full Conversion INR

2 Initial testing of transformer as per IS-2026 (IR Value, Turn ratio, Magnetising Current Magnetic Balance, Short Circuit, Winding resistance Tan delta etc. Item 3 1 Job Full Conversion INR

3 Draining of Transformer oil upto Core level, Replacement of gaskets of Inspection windows, pipe lines etc. on top, Overhauling & Replacement of gaskets of all valves on top Dismantling of HV & LV bushings, Replacement of gaskets and oil seals of HV & LV bushings, Cleaning of H and LV bushings, Erection of HV & LV bushing, Testing / Checking of Buchholz Relay, PRV, SPR, NCT, WTI CT. Item 4 1 Job Full Conversion INR

4 Dismantling and assembling of Conservator and pipe line, Cleaning and Replacement of gaskets of conservator, Recharging / Replacement of Silica gel, Replacement of oil level indicating glass gasket, Testing / Replacement of Air cell if available, Testing / Checking of MOG. Item 5 1 Job Full Conversion INR

5 Draining of balance transformer tank oil, Overhauling & Replacement of gaskets of all valves at bottom, Replacement of gasket of Inspection windows at bottom. Item 6 1 Job Full Conversion INR

6 Lifting & Reassembling of top cover/well cover, Tightening of top core bolts and Measuring of IR value between core bolts & core etc, Replacement of gasket of top Cover/well cover. Item 7 1 Job Full Conversion INR

7 Flushing of core coil assembly. Item 8 1 Job Full Conversion INR

8 Lifting of core coil assembly, Cleaning of tank, Tightening of core coil assembly and measuring of IR value between core bolts & core etc, Tanking of core coil assembly. Item 9 1 Job Full Conversion INR

9 Replacement of gaskets and oil seals of HV & LV bushing, Cleaning of HV and LV bushings, Erection of HV & LV bushings, Testing/ Checking of Buchholz Relay, PRV, SPR, NCT, WTI CT. Item 10 1 Job Full Conversion INR

10 Overhauling of OLTC including Dismantling of OLTC conservator & pipe lines, Dismantling of OLTC / lifting of Diverter switch / lowering of diverter tank, Cleaning & Tightening of Selector switch assembly, Cleaning & Tightening of Fixed & moving contacts Replacement of OLTC barrier gasket / diverter tank / diverter switch gasket, Mounting of OLTC, Overhauling & Replacement of gasket of all valves and pipe lines, Cleaning and Replacement of gaskets of OLTC conservator, Cleaning and Replacement of gasket of OLTC conservator, Recharging / Replacement of Silica gel, Testing / Checking of OSR, PRV. Item 11 1 Job Full Conversion INR

11 Overhauling of Drive Mechanism of OLTC. a) Dismantling of Mechanism. b) Replacement of Oil seal of OLTC shaft. c) Cleaning / Replacement of contactors, switches etc. d) Replacement of Mobile oil of gear box. e) Greasing of moving parts. f) Greasing of moving parts. g) Mounting of Drive Mechanism of Radiators. Item 12 1 Job Full Conversion INR

12 Dismantling of and assembling of Radiators. Item 13 1 Job Full Conversion INR

13 Cleaning of Radiators, Flushing of radiators, Fabrication of Blanking Plates, Pressure testing of Radiator for leakage, Cleaning of Radiator valves, and Replacement of Radiator valves gaskets (bothside), Replacement of Radiator air release plug washers. Item 14 1 Job Full Conversion INR

14 Filtration of oil in storage tank at 55'C prior to filling in trf., with min, BDV 65 KV, Filling oil. Item 15 4000 Ltr Full Conversion INR

15 Assembling of jumpers, cables, bus bars etc. Item 16 1 Job Full Conversion INR

16 Dry out Process. N PT. 100 probes fitting in core & winding, Air in transformer tank. Purging of N2 and testing of leakage by using soap solution at 0.3 Kg/cm2 for 24 hrs. Vaccuum test by maintaining vacuum of 760 mmHg for 2 hrs. Warping of glass wool and induction cable. induction heating process 3 up to cycles to improve PI value, till satisfactory result of TAN delta test. Item 17 1 Job Full Conversion INR

17 Collection of Oil sample and getting it tested at NABL Approved Lab for BDV, Tan Delta, Resistivity, Moisture, Content, DGA, Neutralization Value. Item 18 1 Job Full Conversion INR

18 Final testing of transformer as per IS-2026 (IR, Turn ratio, Magnetising Current, Magnetic Balance, Short Circuit, Winding resistance). Item 19 1 Job Full Conversion INR

19 Transportation of Crane & any other required accessories to site (upto 50 Km.) Item 20 1 Job Full Conversion INR

20 Transportation of Crane & any other required accessories to site (51-80 Km.) Item 21 1 Job Full Conversion INR

21 Transportation of Crane & any other required accessories to site ( above 80 Km.) Item 22 1 Job Full Conversion INR

22 For 8 MVA Transformer Item 23 100 JOB. Excess(+) Full Conversion INR DVVNL

23 Dismantling of jumpers, cables, bus bars etc. Item 24 1 Job Excess(+) Full Conversion INR DVVNL

24 Initial testing of transformer as per IS-2026 (IR Value, Turn ratio, Magnetising Current Magnetic Balance, Short Circuit, Winding resistance Tan delta etc. Item 25 1 Job Excess(+) Full Conversion INR DVVNL

25 Draining of Transformer oil upto Core level, Replacement of gaskets of Inspection windows, pipe lines etc. on top, Overhauling & Replacement of gaskets of all valves on top Dismantling of HV & LV bushings, Replacement of gaskets and oil seals of HV & LV bushings, Cleaning of H and LV bushings, Erection of HV & LV bushing, Testing / Checking of Buchholz Relay, PRV, SPR, NCT, WTI CT. Item 26 1 Job Excess(+) Full Conversion INR DVVNL

26 Dismantling and assembling of Conservator and pipe line, Cleaning and Replacement of gaskets of conservator, Recharging / Replacement of Silica gel, Replacement of oil level indicating glass gasket, Testing / Replacement of Air cell if available, Testing / Checking of MOG. Item 27 1 Job Excess(+) Full Conversion INR DVVNL

27 Draining of balance transformer tank oil, Overhauling & Replacement of gaskets of all valves at bottom, Replacement of gasket of Inspection windows at bottom. Item 28 1 Job Excess(+) Full Conversion INR DVVNL

28 Lifting & Reassembling of top cover/well cover, Tightening of top core bolts and Measuring of IR value between core bolts & core etc, Replacement of gasket of top Cover/well cover. Item 29 1 Job Excess(+) Full Conversion INR DVVNL

29 Flushing of core coil assembly. Item 30 1 Job Excess(+) Full Conversion INR DVVNL

30 Lifting of core coil assembly, Cleaning of tank, Tightening of core coil assembly and measuring of IR value between core bolts & core etc, Tanking of core coil assembly. Item 31 1 Job Excess(+) Full Conversion INR DVVNL

31 Replacement of gaskets and oil seals of HV & LV bushing, Cleaning of HV and LV bushings, Erection of HV & LV bushings, Testing/ Checking of Buchholz Relay, PRV, SPR, NCT, WTI CT. Item 32 1 Job Excess(+) Full Conversion INR DVVNL

32 Overhauling of OLTC including Dismantling of OLTC conservator & pipe lines, Dismantling of OLTC / lifting of Diverter switch / lowering of diverter tank, Cleaning & Tightening of Selector switch assembly, Cleaning & Tightening of Fixed & moving contacts Replacement of OLTC barrier gasket / diverter tank / diverter switch gasket, Mounting of OLTC, Overhauling & Replacement of gasket of all valves and pipe lines, Cleaning and Replacement of gaskets of OLTC conservator, Cleaning and Replacement of gasket of OLTC conservator, Recharging / Replacement of Silica gel, Testing / Checking of OSR, PRV. Item 33 1 Job Excess(+) Full Conversion INR DVVNL

33 Overhauling of Drive Mechanism of OLTC. a) Dismantling of Mechanism. b) Replacement of Oil seal of OLTC shaft. c) Cleaning / Replacement of contactors, switches etc. d) Replacement of Mobile oil of gear box. e) Greasing of moving parts. f) Greasing of moving parts. g) Mounting of Drive Mechanism of Radiators. Item 34 1 Job Excess(+) Full Conversion INR DVVNL

34 Dismantling of and assembling of Radiators. Item 35 1 Job Excess(+) Full Conversion INR DVVNL

35 Cleaning of Radiators, Flushing of radiators, Fabrication of Blanking Plates, Pressure testing of Radiator for leakage, Cleaning of Radiator valves, and Replacement of Radiator valves gaskets (bothside), Replacement of Radiator air release plug washers. Item 36 1 Job Excess(+) Full Conversion INR DVVNL

36 Filtration of oil in storage tank at 55'C prior to filling in trf., with min, BDV 65 KV, Filling oil. Item 37 6500 Ltr Excess(+) Full Conversion INR DVVNL

37 Assembling of jumpers, cables, bus bars etc. Item 38 1 Job Excess(+) Full Conversion INR DVVNL

38 Dry out Process. N PT. 100 probes fitting in core & winding, Air in transformer tank. Purging of N2 and testing of leakage by using soap solution at 0.3 Kg/cm2 for 24 hrs. Vaccuum test by maintaining vacuum of 760 mmHg for 2 hrs. Warping of glass wool and induction cable. induction heating process 3 up to cycles to improve PI value, till satisfactory result of TAN delta test. Item 39 1 Job Excess(+) Full Conversion INR DVVNL

39 Collection of Oil sample and getting it tested at NABL Approved Lab for BDV, Tan Delta, Resistivity, Moisture, Content, DGA, Neutralization Value. Item 40 1 Job Excess(+) Full Conversion INR DVVNL

40 Final testing of transformer as per IS-2026 (IR, Turn ratio, Magnetising Current, Magnetic Balance, Short Circuit, Winding resistance). Item 41 1 Job Excess(+) Full Conversion INR DVVNL

41 Transportation of Crane & any other required accessories to site (upto 50 Km.) Item 42 1 Job Excess(+) Full Conversion INR DVVNL

42 Transportation of Crane & any other required accessories to site (51-80 Km.) Item 43 1 Job Excess(+) Full Conversion INR DVVNL

43 Transportation of Crane & any other required accessories to site ( above 80 Km.) Item 44 1 Job Excess(+) Full Conversion INR DVVNL

44 For 10 MVA Transformer Item 45 100 JOB. Excess(+) Full Conversion INR DVVNL

45 Dismantling of jumpers, cables, bus bars etc. Item 46 1 Job Excess(+) Full Conversion INR DVVNL

46 Initial testing of transformer as per IS-2026 (IR Value, Turn ratio, Magnetising Current Magnetic Balance, Short Circuit, Winding resistance Tan delta etc. Item 47 1 Job Excess(+) Full Conversion INR DVVNL

47 Draining of Transformer oil upto Core level, Replacement of gaskets of Inspection windows, pipe lines etc. on top, Overhauling & Replacement of gaskets of all valves on top Dismantling of HV & LV bushings, Replacement of gaskets and oil seals of HV & LV bushings, Cleaning of H and LV bushings, Erection of HV & LV bushing, Testing / Checking of Buchholz Relay, PRV, SPR, NCT, WTI CT. Item 48 1 Job Excess(+) Full Conversion INR DVVNL

48 Dismantling and assembling of Conservator and pipe line, Cleaning and Replacement of gaskets of conservator, Recharging / Replacement of Silica gel, Replacement of oil level indicating glass gasket, Testing / Replacement of Air cell if available, Testing / Checking of MOG. Item 49 1 Job Excess(+) Full Conversion INR DVVNL

49 Draining of balance transformer tank oil, Overhauling & Replacement of gaskets of all valves at bottom, Replacement of gasket of Inspection windows at bottom. Item 50 1 Job Excess(+) Full Conversion INR DVVNL

50 Lifting & Reassembling of top cover/well cover, Tightening of top core bolts and Measuring of IR value between core bolts & core etc, Replacement of gasket of top Cover/well cover. Item 51 1 Job Excess(+) Full Conversion INR DVVNL

51 Flushing of core coil assembly. Item 52 1 Job Excess(+) Full Conversion INR DVVNL

52 Lifting of core coil assembly, Cleaning of tank, Tightening of core coil assembly and measuring of IR value between core bolts & core etc, Tanking of core coil assembly. Item 53 1 Job Excess(+) Full Conversion INR DVVNL

53 Replacement of gaskets and oil seals of HV & LV bushing, Cleaning of HV and LV bushings, Erection of HV & LV bushings, Testing/ Checking of Buchholz Relay, PRV, SPR, NCT, WTI CT. Item 54 1 Job Excess(+) Full Conversion INR DVVNL

54 Overhauling of OLTC including Dismantling of OLTC conservator & pipe lines, Dismantling of OLTC / lifting of Diverter switch / lowering of diverter tank, Cleaning & Tightening of Selector switch assembly, Cleaning & Tightening of Fixed & moving contacts Replacement of OLTC barrier gasket / diverter tank / diverter switch gasket, Mounting of OLTC, Overhauling & Replacement of gasket of all valves and pipe lines, Cleaning and Replacement of gaskets of OLTC conservator, Cleaning and Replacement of gasket of OLTC conservator, Recharging / Replacement of Silica gel, Testing / Checking of OSR, PRV. Item 55 1 Job Excess(+) Full Conversion INR DVVNL

55 Overhauling of Drive Mechanism of OLTC. a) Dismantling of Mechanism. b) Replacement of Oil seal of OLTC shaft. c) Cleaning / Replacement of contactors, switches etc. d) Replacement of Mobile oil of gear box. e) Greasing of moving parts. f) Greasing of moving parts. g) Mounting of Drive Mechanism of Radiators. Item 56 1 Job Excess(+) Full Conversion INR DVVNL

56 Dismantling of and assembling of Radiators. Item 57 1 Job Excess(+) Full Conversion INR DVVNL

57 Cleaning of Radiators, Flushing of radiators, Fabrication of Blanking Plates, Pressure testing of Radiator for leakage, Cleaning of Radiator valves, and Replacement of Radiator valves gaskets (bothside), Replacement of Radiator air release plug washers. Item 58 1 Job Excess(+) Full Conversion INR DVVNL

58 Filtration of oil in storage tank at 55'C prior to filling in trf., with min, BDV 65 KV, Filling oil. Item 59 7500 Ltr Excess(+) Full Conversion INR DVVNL

59 Assembling of jumpers, cables, bus bars etc. Item 60 1 Job Excess(+) Full Conversion INR DVVNL

60 Dry out Process. N PT. 100 probes fitting in core & winding, Air in transformer tank. Purging of N2 and testing of leakage by using soap solution at 0.3 Kg/cm2 for 24 hrs. Vaccuum test by maintaining vacuum of 760 mmHg for 2 hrs. Warping of glass wool and induction cable. induction heating process 3 up to cycles to improve PI value, till satisfactory result of TAN delta test. Item 61 1 Job Excess(+) Full Conversion INR DVVNL

61 Collection of Oil sample and getting it tested at NABL Approved Lab for BDV, Tan Delta, Resistivity, Moisture, Content, DGA, Neutralization Value. Item 62 1 Job Excess(+) Full Conversion INR DVVNL

62 Final testing of transformer as per IS-2026 (IR, Turn ratio, Magnetising Current, Magnetic Balance, Short Circuit, Winding resistance). Item 63 1 Job Excess(+) Full Conversion INR DVVNL

63 Transportation of Crane & any other required accessories to site (upto 50 Km.) Item 64 1 Job Excess(+) Full Conversion INR DVVNL

64 Transportation of Crane & any other required accessories to site (51-80 Km.) Item 65 1 Job Excess(+) Full Conversion INR DVVNL

65 Transportation of Crane & any other required accessories to site ( above 80 Km.) Item 68 1 Job Full Conversion INR

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