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Tender Value
₹63.7 L
EMD Value
₹1.3 L
Closing Date
24 Sept 2026, 4:00 pm2d left
Hubli Electricity Supply Company Limited
NAGAPPA C BELAKERI
Repairs & Reconditioning of 07 Nos of faulty 33/11kV 1X5MVA Power Transformer failed at 33/11KV Sub-stations in 33KV S&L Division, HESCOM, Haveri
HESCOM/2026-27/SE0785/CALL-2
HESCOM/2026-27/SE0785/CALL-2
Open
Two Tender Document System(Two Cover)
HESCOM Superintending Engineer (PMC)Corporate Office Hubli
21 documents required · 21 mandatory
The bidder should have Satisfactorily completed(at least 90% of the contract value),as prime a contractor, at least one contract repairs and re-conditioning of 5MVA and above capacity, 33/11KV and above voltage class of Power Transformers including replacement of faulty/burnt winding & core, repairs to OLTC unit & other such allied works of value not less than 50% of the amount put to Tender either in HESCOM or in any ESCOM's/Govt. distribution/Transmission Utilities including PSUs in in the last Five Financial Years. (i.e., 2020-21, 2021-22, 2022-23 2023-24 and 2024-25).As a proof of documentary evidence Award copies and work completion certificates duly mentioning date of work completion and Executed cost issued by the competent authority not below the rank of Executive Engineer (Ele) of any State/Central Govt. Distribution Companies/PSUs shall be uploaded. The Experience certificate shall be submitted as per Annexure-IV.Note- Updated to the FY in which the tenders are invited. The value of the completed works shall be given a weight of 10% per year to bring them to the price level of the FY in which the tenders are invited
The bidder should have carried out repairs and re-conditioning of not less than 80% (6Nos) of the quantity proposed in the bid of 5MVA and above capacity, 33/11KV and above voltage class of Power Transformers including replacement of faulty/burnt winding & core, repairs to OLTC unit & other such allied works, either in HESCOM or in any ESCOM's/Govt. distribution/Transmission Utilities including PSUs during any one of the last Five Financial Years. (i.e., 2019-20, 2020-21, 2021-22, 2022-23 and 2023-24) on Total Turnkey/Partial Turnkey Basis/ Labour contract basis/self-execution basis in any State/ Central Govt. Distribution Companies / PSUs.These Power Transformers shall be in successful operation for a period of at least 2(Two) years as on date of submission of bid.As a proof of documentary evidence Award copies and work completion certificates duly mentioning date of work completion and Executed cost issued by the competent authority not below the rank of Executive Engineer (Ele) of any State/Central Govt. Distribution Companies / PSUs shall be uploaded. The Experience certificate shall be submitted as per Annexure-IV
The Bidder should have achieved in at least Two financial year, an average annual financial turnover of not less than the amount put to tender in the last five financial years (i.e., ,2020-21 2021-22, 2022-23, 2023-24 & 2024-25)The bidder shall upload the downloaded Form GSTR-9/9C, 3CA/3CB & 3CD from the portal along with Copies of Annual turnover certificate and audited balance sheet of profit and loss account duly mentioning the UDIN No duly certified by Chartered Accountant as applicable.Documents without UDIN No, GSTR-9/9C, 3CA/3CB & 3CD downloaded from portal are liable for rejection.Note: Updated to the FY in which the tenders are invited. Financial turnover of previous years shall be given a weight of 10% (say) per year to bring them to the price level of the FY in which the tenders are invited
Liquid assets (Cash at Bank plus Term deposit in any Nationalized/Scheduled Commercial Bank) on or after the date of notification of tender plus Availability of credit facility in any Nationalized/ Scheduled Commercial Bank shall not be less than 30% of the amount put to tender i.e., Rs.19.10 Lakhs Equivalent of estimated cash flow for 3 months/year in peak execution period) which shall be which shall be supported by certificate issued by any Nationalized /Scheduled Commercial Bank. The said Original scanned Credit Facility Certificate should possess the name of the Firm and tender Indent number and the credit facility to be issued in the name of Superintending Engineer (Ele), Project Monitoring Cell, Corporate Office, HESCOM, Navanagar, Hubli. The credit facility certificate should be in the Format Annexed to this bid. (ANNEXURE-V). The conditional credit certificates are liable for rejection.
The bidder shall be a sole proprietorship firm or a partnership firm or a company incorporated under companies Act 1956/2013. Copy of the Certificate of Incorporation in case of Registered Company/ Partnership deed in case of Partnership Firm/GST or PAN registration in case proprietor ship firm is to be uploaded
The bidder should possess valid Class-I / Super grade Electrical Contractor license issued by the Electrical Inspectorate, Govt. of Karnataka. The validity of the license should be in force at the time of submission of Bids.(Note: Firm name in the license as well as all the statutory documents should be same otherwise bid is liable for rejection).Scanned original copy of the Class-1 /Super grade Electrical Contractors License issued by Electrical Inspectorate, Government of Karnataka is to be uploaded by the bidder
The bidder should upload original scanned copy of ESI issued by the respective competent authorities of the concerned department
The bidder should upload original scanned copy of EPF Reg. No issued by the respective competent authorities of the concerned department
The bidder should upload original scanned copy of Pan No issued by the respective competent authorities of the concerned department
The bidder should upload original scanned copy of GST No. issued by the respective competent authorities of the concerned department.
The bidder should possess valid original scanned copy of Registration Certificate of Establishment FORM C (Labour Reg.) issued by Department of Labour, Government of Karnataka.The bidder should upload original scanned copy of Registration Certificate of Establishment FORM C (Labour Reg.) issued by Department of Labour, Government of Karnataka
The bidder should not have been Black Listed by ESCOMs/KPTCL/any other Government Distribution/Transmission utilities including PSUs as on date of bid submission.Self-declaration for the same shall be uploaded
The bidder should not have been Defaulted or Terminated closed due to non-performance in execution of works against the order placed by ESCOMs/KPTCL/any other Government Distribution/Transmission utilities including PSUs as on date of bid submission.Self-declaration for the same shall be uploaded
The bidder should provide detailed information on any litigation or arbitration arising out of contracts completed or under execution by it over the last five years with /KPTCL/ESCOMS. A history of awards involving litigations against the bidder or any part may result in rejection of bid.Self-declaration for the same shall be uploaded
The bidder should have a valid Factory License. The copy of the same issued by competent authority shall be uploaded
The bidder should have his own repair & testing center with all infrastructures required for repair & testing the 5MVA and above Power transformer and should possess the following equipments & machinery.a)Turn ratio kit.b)High voltage test set on HV&LV.c)DVDF set for testing of 5MVA power transformers.d)Testing panel with CT of ratio 25-300/5amp, class 0.2 -3 Nos.e)PT of ratio-11KV/110v class-0.2 -3 Nos.f)All testing equipments for testing of 5MVA power transformers.g)Oil Filtration Plant of 3000LPH capacity.h)Drying facility and winding facility.i)Validity certificate for the measuring and testing equipments.j)Pressure test and oil leakage testing facility.The details of equipment and machineries uploaded shall be duly certified by the concerned jurisdictional Executive Engineer(Ele),MRT Division of ESCOMs.The bidder shall upload the latest certified copy issued within 3 months from the date of bid submission
The Firm should have Annealing furnace for annealing of HT & LT copper winding of transformer. The necessary Certificate shall be uploaded duly certified by the concerned jurisdictional Executive Engineer (Ele), MT Division of ESCOM's. The bidder shall upload the latest certified copy issued within 3 months from the date of bid submission
Tender Capacity: The bidder should upload available tender capacity calculated in the prescribed format through e-procurement portal within due date of submission of bids. The available tender capacity shall be more than the total tender value.
₹1,600
₹1.3 L
9 Sept 2026
9 Sept 2026
25 Sept 2026
16 Sept 2026
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Provisional estimate for repair and reconditioning of faulty 5MVA, 33/11KV Power Transformer of Make: Kirloskar, Sl No: 66SG002/3, which was failed at 3X5MVA, 33/11KV MUSS, Kalkeri in Savanur Taluka in O&M Division, HESCOM, Haveri
Sl. No. Particulars Material Erection Transit Insuranace Total
1 Material cost 866752.38 866752.38
2 Labour charges 414710.36 414710.36
3 Transit Insuranace 10000.00 10000.00
5 Apllicable GST on Sum SLNo- 4 0.00 0.00 0.00 0.00
6 Cost of estimate (Sum of Sl No 4 to 5) 866752.38 414710.36 10000.00 1291462.74
Tender Component 0.00 0.00
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Kalakeri, In Hanagal talluq S&L subdivision ,HESCOM ,Haveri.
Power transformer: Name plate details OLTC Details:
Make: Rima Transformers & Conductors PVT LTD. Make: On load gears
Sl No: 1163/2 Vector Group: Dyn11 Type: ABS 111
Capacity: 5MVA Type of cooling: ONAN Sl No: 9858
Volts: 33KV/11KV Impedance Volts: 6.73% Rated Step Voltage: 412.5V
Amps: 87.5A/262.43 A Volume of Oil: 400 ltrs
Core & Winding Mass: 6100 kgs Mass of Oil: 350 Kgs
Mass of Oil: 3300 kgs Total Weight: 720 kgs
Volume of Oil: 3700 ltr
Total Mass: 14000 kgs
Part-A HESCOM PORTION
Sl No Particulars Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Faulty 5 MVA 33/11KV Power Transformer Make: SPEC, Sl No:ST37512, without oil & with all its accessiories, failed at Kalakeri. No 1 VA VA VA VA
2 Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) as per CSR-2025-26 Sl No. 155, Item No.15.01, Page No 143 Ltrs 4223 79.91 337459.93 0.00 0.00 Oil to be supplied by HESCOM The rate is exclusive of GST
3 Empty oil barrels (Good) as per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos 21 451 9471.00 0.00 0.00 The rate is exclusive of GST
Total amount of Part A 346930.93 0.00 0.00
PART B- REPAIR WORK
Sl No Description of work Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Dismantling faulty transformer for joint inspection at repairers premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting of preliminary test required for assessment of repair work to be undertaken, dismantling core etc, in the presence of HESCOM authorised representative. As per revised MWSR 2016, Part-III, Sl No. 3, Page No 157. 5MVA 1 28290.00 0 28290.00 0 The rate is exclusive of GST
2 Providing new winding in place of damaged winding including cost of materials, laboures,drying etc.(Both HV & LV) per kg of winding. As per MWSR 2023-24 Part-III, Sl No. 3C(ii) Page-148. Kg 30 973.00 29190.00 0 0 Exact qty will be known during joint survey The rate is exclusive of GST
3 Providing solid insulation materials for replacement to damaged or burnt insulation as per actual weight. As per MWSR 2023-24 Part-III, Sl No. 3B(i) , Page No 148. Kg 220 939.00 206580.00 0 0 -do-
4 Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation. As per MWSR 2023-24, Part-III, Sl No. 3C(i) , Page No 148. Kg 1050 248.00 260400.00 0 0 -do-
5 Providing CRGO Core. As per MWSR 2023-24, Part-III, Sl No. 3A(i), Page No 148. Kg 300 776.00 232800 0 0 -do-
6 Repair and overauling of OLTC / Divertor switch including change of oil, lubrication and replacement of gaskets and other parts which are locally available. As per revised MWSR 2016, Part-III, Sl No. 7(a), Page No 156. 5MVA 1 19643.00 0 19643.00 0 The rate is exclusive of GST
7 Spares for OLTC/Divertor switch (spares to be procured from the original manufacturers only). 5MVA Exact qty will be as per actual at the time of joint survey. The rate is as per approx. market rate.
a) Fixed contact No 25 3000 75000 0 0
b) Moving Contact No 6 3500 21000 0 0
c) Transition resistors Set 3 1500 4500 0 0
8 Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting out side the tank with enamel paint after thorough cleaning including the cost of materials including the painting of radiators at site/ Firm. As per revised MWSR 2016, Part-III, Sl No. 8, Page No 156. No 5MVA 20269.00 0 20269.00 0 The rate is exclusive of GST
9 Re assembly of core and winding. As per revised MWSR 2016, Part-III, Sl No. 9, Page No 155. No 5MVA 33089.00 0 33089.00 0 -do-
10 Drying out the assembly of core and winding in oven / vacuum chamber, till the specified insulation resistance values are obtained. (Including cost of material and labour). As per revised MWSR 2016, Part-III, Sl No. 10, Page No 155. No 5MVA 39359.00 0 39359.00 0 -do-
11 Tanking the assembly giving connection, providing new gaskets and insulating materials conforming to relevant ISS putting back the cover, tightening the fixtures, fixing the bushing etc, including the cost of all materials like gaskets insulating material,Bolts & Nuts etc., and Labour. Other accessories at repairer work to facilitate the testing. As per revised MWSR 2016, Part-III, Sl No. 11, Page No 155. No 5MVA 18768.00 0 18768.00 0 -do-
12 Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values including labour, filtering equipment along with accessories. As per MWSR 2023-24, Part-III, Sl No. 5(F), Page No 142. Ltrs 4223 5.32 0 22466.36 0 -do-
13 Replacement of faulty Spares for Transformer which shall be procured from the original manufacture Exact qty will be as per actual at the time of joint survey. The rate is exclusive of GST
i. Silica gel breather (2Nos) As per CSR 2023-24, Part-III, Sl No. 1(A) of Page 133. Set 1 2963.00 2963.00 0 0
ii. BH Relay. As per MWSR 2023-24, Part-III, Sl No. 6(A), Page No 138. 1 8743.00 8743.00 0 0
iii. OTI (As per revised MWSR 2016, Part-III, Sl No. 21, Page No 153) 1 5000.00 5000.00 0 0
iv. WTI (As per revised MWSR 2016,Part-III, Sl No. 20, Page No 153) 1 5000.00 5000.00 0 0
v. MOG (As per MWSR 2023-24, Part-III, Sl No. 5(B), Page No 138) 1 7410.00 7410.00 0 0
vi. OSR (As per MWSR 2023-24,Part-III, Sl No. 6(B), Page No 138) 1 3743.00 3743.00 0 0
vii. Various types of valves. (As per revised MWSR 2016, Part-III, Sl No. 27, Page No 153) 1 4423.38 4423.38 0 0
14 Testing the transformer for routine tests as per IS: 2026-1983. As per revised MWSR 2016, Part-III, Sl.No 15, Page No 154. 5MVA 1 18987.00 0 18987.00 0 The rate is exclusive of GST
15 Supervising and commissioning of transformer in the presence of MRT staff as and when the transformer is ready for commisssioning. As per revised MWSR 2016, Part-III, Sl No. 18, Page No 154. 5MVA 1 7605.00 0 7605 0 The rate is exclusive of GST
16 Loading of the repaired good power transformer with oil & all its accessories after testing. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 14.00 1655.00 0 23170.00 0 The rate is exclusive of GST
17 Loading of the faulty power transformer from the site. As per MWSR 2019, Part-II, Sl No. 40a, Page No 98. MT 14.00 2061.00 0 28854.00 0 The rate is exclusive of GST
18 Transportation of faulty Trfs from site to the repairer work bay in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250.00 105.42 0 26355.00 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
19 Transit risk insurance of faulty Power tfr from site to repairers premises. L/S --- --- 0 0 5000
20 Unloading of the faulty power transformer with active parts at repairers work bay. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 14.00 1655.00 0 23170.00 0 The rate is exclusive of GST
21 Transportation of repaired good transformer to the allotted sub-station in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250.00 105.42 0 26355.00 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
22 Transit risk insurance for repaired good power transformer from repairers premises to the alotted sub station. L/S --- --- 0 5000
23 Moving the repaired good power transformer to the plinth at the allotted sub-station. Maximum allowable distance is 50Mtrs (More than 50Mtrs approval of the D(T) has to be obtained) As per MWSR-2023-24, Part-II, Sl.No-9(a) of Pg.No-116 Per MT/ Mtr 13.7 MT/ 30Mtr 80.00 0.00 33600.00 0.00 As per actuals in allotted station
24 Assembling of transformer parts Such as Radiators, Conservator tank, Breather, Base wheels, earthing of Trf, filling oil into the transformer main tank and conservator tank etc. MWSR-2023-24, Part-II, Page No: 116, sl No: 9(b) MT 14.00 1134.00 0.00 15876.00 0.00
25 Unloading of repaired good transformer at the allotted site on the plinth with all its accessories HESCOM. As per MWSR 2019, Part-II, Sl No. 40(b), Page No 98 Dtd: 28.05.2019 MT 14.00 2061.00 0 28854.00 0 The rate is exclusive of GST
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Kalakeri.
PART C- Credit Portion
Sl No Particulars Unit Qty Rate Material Cost Remarks
1 Released Scrap Copper winding HV/LV limb. As per MWSR-2023-24, Part-III, Sl No. 10(A), Page No. 139 Kg - 30 569 17070 Scrap
2 Released scrap Fixed contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 25 6.25 416.00 2600.00 Scrap 21 6 3.5
3 Released scrap Moving contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 6 1.50 416.00 624.00 Scrap 30 9 3.333333333
4 Transition resistor Set - 0 NV 0 Scrap
5 Damaged CRGO Core laminations as per MWSR-2023-24, Part-III, Sl No. 10(C), Page No. 139 Kg - 300 133.00 39900.00 Scrap
6 Faulty B/H, OSR,OTI, Silica gel breather, WTI & Various types of valves. As per MWSR-2023-24, Part-III, Sl No. 10(B), Page No. 139 Kg - 14 30.09 421.26 Scrap
7 Released Empty Barrels. As per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos 21 - 469.00 9849.00 Good
Total amount of Part C 70464.26
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Provisional estimate for repair and reconditioning of faulty 5MVA, 33/11KV Power Transformer of Make: Tesla, Sl No: TTL/PP/2/10237, which was failed at 3X5MVA, 33/11KV MUSS, Gandhipur in Haveri Taluka in O&M Division, HESCOM, Haveri
Sl. No. Particulars Material Erection Transit Insuranace Total
1 Material cost 854352.38 854352.38
2 Labour charges 416353.56 416353.56
3 Transit Insuranace 10000.00 10000.00
5 Apllicable GST on Sum SLNo- 4 0.00 0.00 0.00 0.00
6 Cost of estimate (Sum of Sl No 4 to 5) 854352.38 416353.56 10000.00 1280705.94
Tender Component 0.00 0.00
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Gandhipur, In Haveri talluq S&L subdivision ,HESCOM ,Haveri.
Power transformer: Name plate details OLTC Details:
Make: Tesla Make: CTR
Sl No: TTL/PP/2/10237 Vector Group: Dyn11 Type: E016
Capacity: 5MVA Type of cooling: ONAN Sl No: 2722938
Volts: 33KV/11KV Impedance Volts: 6.73% Rated Step Voltage: 412.5V
Amps: 87.5A/262.43 A Volume of Oil: 700 ltrs
Core & Winding Mass: 7010 kgs Mass of Oil: 589 Kgs
Mass of Oil: 3200 kgs Total Weight:1191 kgs
Volume of Oil: 3900 Ltrs
Total Mass: 13900 kgs
Part-A HESCOM PORTION
Sl No Particulars Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Faulty 5 MVA 33/11KV Power Transformer Make: SPEC, Sl No:ST37512, without oil & with all its accessiories, failed at Bommanahalli. No 1 VA VA VA VA
2 Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) as per CSR-2025-26 Sl No. 155, Item No.15.01, Page No 07 of 52 Ltrs 4738 79.91 378613.58 0.00 0.00 Oil to be supplied by HESCOM The rate is exclusive of GST
3 Empty oil barrels (Good) as per CSR-2025-26 Sl No. 706, Item No.69.19, Page No 32 of 52 Nos 23 451 10373.00 0.00 0.00 The rate is exclusive of GST
Total amount of Part A 388986.58 0.00 0.00
PART B- REPAIR WORK
Sl No Description of work Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Dismantling faulty transformer for joint inspection at repairers premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting of preliminary test required for assessment of repair work to be undertaken, dismantling core etc, in the presence of HESCOM authorised representative. As per revised MWSR 2016, Part-III, Sl No. 3, Page No 157. 5MVA 1 28290.00 0 28290.00 0 The rate is exclusive of GST
2 Providing new winding in place of damaged winding including cost of materials, laboures,drying etc.(Both HV & LV) per kg of winding. As per MWSR 2023-24 Part-III, Sl No. 3C(ii) Page-148. Kg 30 973.00 29190.00 0 0 Exact qty will be known during joint survey The rate is exclusive of GST
3 Providing solid insulation materials for replacement to damaged or burnt insulation as per actual weight. As per MWSR 2023-24 Part-III, Sl No. 3B(i) , Page No 148. Kg 220 939.00 206580.00 0 0 -do-
4 Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation. As per MWSR 2023-24, Part-III, Sl No. 3C(i) , Page No 148. Kg 1000 248.00 248000.00 0 0 -do-
5 Providing CRGO Core. As per MWSR 2023-24, Part-III, Sl No. 3A(i), Page No 148. Kg 300 776.00 232800 0 0 -do-
6 Repair and overauling of OLTC / Divertor switch including change of oil, lubrication and replacement of gaskets and other parts which are locally available. As per revised MWSR 2016, Part-III, Sl No. 7(a), Page No 156. 5MVA 1 19643.00 0 19643.00 0 The rate is exclusive of GST
7 Spares for OLTC/Divertor switch (spares to be procured from the original manufacturers only). 5MVA Exact qty will be as per actual at the time of joint survey. The rate is as per approx. market rate.
a) Fixed contact No 25 3000 75000 0 0
b) Moving Contact No 6 3500 21000 0 0
c) Transition resistors Set 3 1500 4500 0 0
8 Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting out side the tank with enamel paint after thorough cleaning including the cost of materials including the painting of radiators at site/ Firm. As per revised MWSR 2016, Part-III, Sl No. 8, Page No 156. No 5MVA 20269.00 0 20269.00 0 The rate is exclusive of GST
9 Re assembly of core and winding. As per revised MWSR 2016, Part-III, Sl No. 9, Page No 155. No 5MVA 33089.00 0 33089.00 0 -do-
10 Drying out the assembly of core and winding in oven / vacuum chamber, till the specified insulation resistance values are obtained. (Including cost of material and labour). As per revised MWSR 2016, Part-III, Sl No. 10, Page No 155. No 5MVA 39359.00 0 39359.00 0 -do-
11 Tanking the assembly giving connection, providing new gaskets and insulating materials conforming to relevant ISS putting back the cover, tightening the fixtures, fixing the bushing etc, including the cost of all materials like gaskets insulating material,Bolts & Nuts etc., and Labour. Other accessories at repairer work to facilitate the testing. As per revised MWSR 2016, Part-III, Sl No. 11, Page No 155. No 5MVA 18768.00 0 18768.00 0 -do-
12 Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values including labour, filtering equipment along with accessories. As per MWSR 2023-24, Part-III, Sl No. 5(F), Page No 142. Ltrs 4738 5.32 0 25206.16 0 -do-
13 Replacement of faulty Spares for Transformer which shall be procured from the original manufacture Exact qty will be as per actual at the time of joint survey. The rate is exclusive of GST
i. Silica gel breather (2Nos) As per CSR 2023-24, Part-III, Sl No. 1(A) of Page 133. Set 1 2963.00 2963.00 0 0
ii. BH Relay. As per MWSR 2023-24, Part-III, Sl No. 6(A), Page No 138. 1 8743.00 8743.00 0 0
iii. OTI (As per revised MWSR 2016, Part-III, Sl No. 21, Page No 153) 1 5000.00 5000.00 0 0
iv. WTI (As per revised MWSR 2016,Part-III, Sl No. 20, Page No 153) 1 5000.00 5000.00 0 0
v. MOG (As per MWSR 2023-24, Part-III, Sl No. 5(B), Page No 138) 1 7410.00 7410.00 0 0
vi. OSR (As per MWSR 2023-24,Part-III, Sl No. 6(B), Page No 138) 1 3743.00 3743.00 0 0
vii. Various types of valves. (As per revised MWSR 2016, Part-III, Sl No. 27, Page No 153) 1 4423.38 4423.38 0 0
14 Testing the transformer for routine tests as per IS: 2026-1983. As per revised MWSR 2016, Part-III, Sl.No 15, Page No 154. 5MVA 1 18987.00 0 18987.00 0 The rate is exclusive of GST
15 Supervising and commissioning of transformer in the presence of MRT staff as and when the transformer is ready for commisssioning. As per revised MWSR 2016, Part-III, Sl No. 18, Page No 154. 5MVA 1 7605.00 0 7605 0 The rate is exclusive of GST
16 Loading of the repaired good power transformer with oil & all its accessories after testing. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 13.90 1655.00 0 23004.50 0 The rate is exclusive of GST
17 Loading of the faulty power transformer from the site. As per MWSR 2019, Part-II, Sl No. 40a, Page No 98. MT 13.90 2061.00 0 28647.90 0 The rate is exclusive of GST
18 Transportation of faulty Trfs from site to the repairer work bay in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250.00 105.42 0 26355.00 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
19 Transit risk insurance of faulty Power tfr from site to repairers premises. L/S --- --- 0 0 5000
20 Unloading of the faulty power transformer with active parts at repairers work bay. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 13.90 1655.00 0 23004.50 0 The rate is exclusive of GST
21 Transportation of repaired good transformer to the allotted sub-station in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250.00 105.42 0 26355.00 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
22 Transit risk insurance for repaired good power transformer from repairers premises to the alotted sub station. L/S --- --- 0 5000
23 Moving the repaired good power transformer to the plinth at the allotted sub-station. Maximum allowable distance is 50Mtrs (More than 50Mtrs approval of the D(T) has to be obtained) As per MWSR-2023-24, Part-II, Sl.No-9(a) of Pg.No-116 Per MT/ Mtr 13.9 MT/ 30Mtr 80.00 0.00 33360.00 0.00 As per actuals in allotted station
24 Assembling of transformer parts Such as Radiators, Conservator tank, Breather, Base wheels, earthing of Trf, filling oil into the transformer main tank and conservator tank etc. MWSR-2023-24, Part-II, Page No: 116, sl No: 9(b) MT 13.90 1134.00 0.00 15762.60 0.00
25 Unloading of repaired good transformer at the allotted site on the plinth with all its accessories HESCOM. As per MWSR 2019, Part-II, Sl No. 40(b), Page No 98 Dtd: 28.05.2019 MT 13.90 2061.00 0 28647.90 0 The rate is exclusive of GST
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Gandhipur.
PART C- Credit Portion
Sl No Particulars Unit Qty Rate Material Cost Remarks
1 Released Scrap Copper winding HV/LV limb. As per MWSR-2023-24, Part-III, Sl No. 10(A), Page No. 139 Kg - 30 569 17070 Scrap
2 Released scrap Fixed contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 25 6.25 416.00 2600.00 Scrap 21 6 3.5
3 Released scrap Moving contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 6 1.50 416.00 624.00 Scrap 30 9 3.333333333
4 Transition resistor Set - 0 NV 0 Scrap
5 Damaged CRGO Core laminations as per MWSR-2023-24, Part-III, Sl No. 10(C), Page No. 139 Kg - 300 133.00 39900.00 Scrap
6 Faulty B/H, OSR,OTI, Silica gel breather, WTI & Various types of valves. As per MWSR-2023-24, Part-III, Sl No. 10(B), Page No. 139 Kg - 14 30.09 421.26 Scrap
7 Released Empty Barrels. As per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos 23 - 469.00 10787.00 Good
Total amount of Part C 71402.26
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Provisional estimate for repair and reconditioning of faulty 5MVA, 33/11KV Power Transformer of Make: SPEC, Sl No:ST37512, which was failed at 3X5MVA, 33/11KV MUSS, Bommanahalli in Hanagal Taluka in O&M Division, HESCOM, Haveri
Sl. No. Particulars Material Erection Transit Insuranace Total
1 Material cost
2 Labour charges
3 Transit Insuranace
5 Apllicable GST on Sum SLNo- 4 0
6 Cost of estimate (Sum of Sl No 4 to 5)
Tender Component
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Bommanahalli.In Hanagal talluq, S&L subdivision ,HESCOM ,Haveri.
Power transformer: Name plate details OLTC Details:
Make: SPEC Make: CTR
Sl No: ST37512 Vector Group: Dyn11 Type: E016
Capacity: 5MVA Type of cooling: ONAN Sl No: 2722938
Volts: 33KV/11KV Impedance Volts: 6.73% Rated Step Voltage: 412.5V
Amps: 87.5A/262.43 A Volume of Oil: 380 ltrs
Core & Winding Mass: 7700 kgs Mass of Oil: 327 Kgs
Mass of Oil: 3100 kgs Total Weight: 720 kgs
Volume of Oil: 3483 Ltrs
Total Mass: 12900 kgs
Part-A HESCOM PORTION
Sl No Particulars Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Faulty 5 MVA 33/11KV Power Transformer Make: SPEC, Sl No:ST37512, without oil & with all its accessiories, failed at Bommanahalli. No 1 VA VA VA VA
2 Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) as per CSR-2025-26 Sl No. 155, Item No.15.01, Page No 143 Ltrs 3863 79.91 0 0 Oil to be supplied by HESCOM The rate is exclusive of GST
3 Empty oil barrels (Good) as per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos 18 469 0 0 The rate is exclusive of GST
Total amount of Part A
PART B- REPAIR WORK
Sl No Description of work Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Dismantling faulty transformer for joint inspection at repairers premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting of preliminary test required for assessment of repair work to be undertaken, dismantling core etc, in the presence of HESCOM authorised representative. As per revised MWSR 2016, Part-III, Sl No. 3, Page No 157. 5MVA 1 28290 0 0 The rate is exclusive of GST
2 Providing new winding in place of damaged winding including cost of materials, laboures,drying etc.(Both HV & LV) per kg of winding. As per MWSR 2023-24 Part-III, Sl No. 3C(ii) Page-148. Kg 30 973 0 0 Exact qty will be known during joint survey The rate is exclusive of GST
3 Providing solid insulation materials for replacement to damaged or burnt insulation as per actual weight. As per MWSR 2023-24 Part-III, Sl No. 3B(i) , Page No 148. Kg 220 939 0 0 -do-
4 Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation. As per MWSR 2023-24, Part-III, Sl No. 3C(i) , Page No 148. Kg 1000 248 0 0 -do-
5 Providing CRGO Core. As per MWSR 2023-24, Part-III, Sl No. 3A(i), Page No 148. Kg 300 776 0 0 -do-
6 Repair and overauling of OLTC / Divertor switch including change of oil, lubrication and replacement of gaskets and other parts which are locally available. As per revised MWSR 2016, Part-III, Sl No. 7(a), Page No 156. 5MVA 1 19643 0 0 The rate is exclusive of GST
7 Spares for OLTC/Divertor switch (spares to be procured from the original manufacturers only). 5MVA Exact qty will be as per actual at the time of joint survey. The rate is as per approx. market rate.
a) Fixed contact No 25 3000 0 0
b) Moving Contact No 6 3500 0 0
c) Transition resistors Set 3 1500 0 0
8 Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting out side the tank with enamel paint after thorough cleaning including the cost of materials including the painting of radiators at site/ Firm. As per revised MWSR 2016, Part-III, Sl No. 8, Page No 156. No 5MVA 20269 0 0 The rate is exclusive of GST
9 Re assembly of core and winding. As per revised MWSR 2016, Part-III, Sl No. 9, Page No 155. No 5MVA 33089 0 0 -do-
10 Drying out the assembly of core and winding in oven / vacuum chamber, till the specified insulation resistance values are obtained. (Including cost of material and labour). As per revised MWSR 2016, Part-III, Sl No. 10, Page No 155. No 5MVA 39359 0 0 -do-
11 Tanking the assembly giving connection, providing new gaskets and insulating materials conforming to relevant ISS putting back the cover, tightening the fixtures, fixing the bushing etc, including the cost of all materials like gaskets insulating material,Bolts & Nuts etc., and Labour. Other accessories at repairer work to facilitate the testing. As per revised MWSR 2016, Part-III, Sl No. 11, Page No 155. No 5MVA 18768 0 0 -do-
12 Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values including labour, filtering equipment along with accessories. As per MWSR 2023-24, Part-III, Sl No. 5(F), Page No 142. Ltrs 5.32 0 0 -do-
13 Replacement of faulty Spares for Transformer which shall be procured from the original manufacture Exact qty will be as per actual at the time of joint survey. The rate is exclusive of GST
i. Silica gel breather (2Nos) As per CSR 2023-24, Part-III, Sl No. 1(A) of Page 133. Set 1 2963 0 0
ii. BH Relay. As per MWSR 2023-24, Part-III, Sl No. 6(A), Page No 138. 1 8743 0 0
iii. OTI (As per revised MWSR 2016, Part-III, Sl No. 21, Page No 153) 1 5000 0 0
iv. WTI (As per revised MWSR 2016,Part-III, Sl No. 20, Page No 153) 1 5000 0 0
v. MOG (As per MWSR 2023-24, Part-III, Sl No. 5(B), Page No 138) 1 7410 0 0
vi. OSR (As per MWSR 2023-24,Part-III, Sl No. 6(B), Page No 138) 1 3743 0 0
vii. Various types of valves. (As per revised MWSR 2016, Part-III, Sl No. 27, Page No 153) 1 0 0
14 Testing the transformer for routine tests as per IS: 2026-1983. As per revised MWSR 2016, Part-III, Sl.No 15, Page No 154. 5MVA 1 18987 0 0 The rate is exclusive of GST
15 Supervising and commissioning of transformer in the presence of MRT staff as and when the transformer is ready for commisssioning. As per revised MWSR 2016, Part-III, Sl No. 18, Page No 154. 5MVA 1 7605 0 0 The rate is exclusive of GST
16 Loading of the repaired good power transformer with oil & all its accessories after testing. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 12.9 1655 0 0 The rate is exclusive of GST
17 Loading of the faulty power transformer from the site. As per MWSR 2019, Part-II, Sl No. 40a, Page No 98. MT 0 0 The rate is exclusive of GST
18 Transportation of faulty Trfs from site to the repairer work bay in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 105.42 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
19 Transit risk insurance of faulty Power tfr from site to repairers premises. L/S --- --- 0 0 5000
20 Unloading of the faulty power transformer with active parts at repairers work bay. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 1655 0 0 The rate is exclusive of GST
21 Transportation of repaired good transformer to the allotted sub-station in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
22 Transit risk insurance for repaired good power transformer from repairers premises to the alotted sub station. L/S --- --- 0 5000
23 Moving the repaired good power transformer to the plinth at the allotted sub-station. Maximum allowable distance is 50Mtrs (More than 50Mtrs approval of the D(T) has to be obtained) As per MWSR-2023-24, Part-II, Sl.No-9(a) of Pg.No-116 Per MT/ Mtr 12.9 MT/ 30Mtr 80 0 0 As per actuals in allotted station
24 Assembling of transformer parts Such as Radiators, Conservator tank, Breather, Base wheels, earthing of Trf, filling oil into the transformer main tank and conservator tank etc. MWSR-2023-24, Part-II, Page No: 116, sl No: 9(b) MT 1134 0 0
25 Unloading of repaired good transformer at the allotted site on the plinth with all its accessories HESCOM. As per MWSR 2019, Part-II, Sl No. 40(b), Page No 98 Dtd: 28.05.2019 MT 0 0 The rate is exclusive of GST
Total amount of Part B 854352.38 362832.36 10000
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Bommanahalli.
PART C- Credit Portion
Sl No Particulars Unit Qty Rate Material Cost Remarks
1 Released Scrap Copper winding HV/LV limb. As per MWSR-2023-24, Part-III, Sl No. 10(A), Page No. 139 Kg - 569 Scrap
2 Released scrap Fixed contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 21 6
3 Released scrap Moving contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 30 9
4 Transition resistor Set - 0 NV 0 Scrap
5 Damaged CRGO Core laminations as per MWSR-2023-24, Part-III, Sl No. 10(C), Page No. 139 Kg - 133 Scrap
6 Faulty B/H, OSR,OTI, Silica gel breather, WTI & Various types of valves. As per MWSR-2023-24, Part-III, Sl No. 10(B), Page No. 139 Kg - 14 30.09 Scrap
7 Released Empty Barrels. As per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos - 469 Good
Total amount of Part C
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Calculation sheet for preparing estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Akkialur.
Power transformer name plate details OLTC Details:
Make: Kirloskar Electric Company, Make: Crompton Greaves Ltd.,
Volts: 33KV/11KV Sl No: 42376511
Amps: 87.5A/262.5 A Rated Step Voltage: 412.5V
Untanking Mass: 7700 kgs Total Weight: 1270 Kg
Mass of Oil: 3800 kgs Volume of Oil: 750 ltrs
Volume of Oil: 4440 Ltrs Mass of Oil : 660 Kgs
Transport Mass: - Kgs
Total Mass: 16410 Kgs
Part-A HESCOM PORTION
Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) Main Tank
Total appr. 5345 Ltrs ('----a)
Empty oil barrels (Good) 5345/209
Total appr. 25 Barrels
PART B- REPAIR WORK
1. Providing new winding- weight of core and Wdg 7.70 Tons ('----b)
2. Copper winding Weight including solid insulation ( 30% of b) ('----c)
Only copper winidng weight ( 80% of c) ('----d)
Only Solid insulation weight ( 20% of c)
For 1 Limb winding weight (d/3) appr. 615 Kg ('----e)
3.Providing solid insulation materials appr. 462 Kg =462-220=242
4. Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation- Two Limbs Wdg ( 2 X e) appr. 1230 kg
5. Providing CRGO Core (always Considered as 100Kg) 100
12. Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values (--a) app. 5345
16. Loading of the repaired good power transformer with oil & all its accessories after testing. 16.41 MT
17. Loading of the faulty power transformer from the site. 11.95 MT
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Provisional estimate for repair and reconditioning of faulty 5MVA, 33/11KV Power Transformer of Make: Kirloskar, Sl No: 66SG002/3, which was failed at 3X5MVA, 33/11KV MUSS, Hattimattur in Savanur Taluka in O&M Division, HESCOM, Haveri
Sl. No. Particulars Material Erection Transit Insuranace Total
1 Material cost
2 Labour charges
3 Transit Insuranace
5 Apllicable GST on Sum SLNo- 4 0
6 Cost of estimate (Sum of Sl No 4 to 5)
Tender Component
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost Estimate for repairing of faulty 5MVA 33/11KV Power Transformer-2 failed at 33/11 KV MUSS Sunkalbidri in 33kv S&L Sub-division Ranebennur on PTK Basis.
Power transformer: Name plate details OLTC Details:
Make: Techno Power Corporation Ltd., Make: On Load Gears, Chennai
Sl No: TPC/33/11/5000/07016 Vector Group: Dyn11 Type: ABS 111 200 30 9 17 OG
Capacity: 5MVA Type of cooling: ONAN Sl No: 18545
Volts: 33KV/11KV Impedance Volts: 7.02/7.15/8.02 Rated Current OLTC-200A
Amps: 87.4A/262.4 A Volume of Oil: 380 ltrs (appx)
Core & Winding Mass: 7130 kgs Mass of Oil: 327 Kgs (appx)
Mass of Oil: 2635 kgs Total Weight: 720 kgs (appx)
Volume of Oil: 3100 Ltrs Rated Step Voltage: 412.5V
Total Mass: 12400 kgs YOM: 2007
Part-A HESCOM PORTION
Sl No Particulars Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Faulty 5 MVA 33/11KV Power Transformer Make: Techno Power Corporation Ltd., Sl No:TPC/33/11/5000/07016 , without oil & with all its accessiories, failed at Sunkalbidri. No 1 VA VA VA VA
2 Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) as per CSR-2025-26 Sl No. 155, Item No.15.01, Page No 143 Ltrs 3584 79.91 0 0 Oil to be supplied by HESCOM The rate is exclusive of GST
3 Empty oil barrels (Good) as per CSR-2025-26 Sl No. 706, Item No.69.19, Page No 32 of 52 Nos 18 451 0 0 The rate is exclusive of GST
Total amount of Part A
PART B- REPAIR WORK
Sl No Description of work Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Dismantling faulty transformer for joint inspection at repairers premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting of preliminary test required for assessment of repair work to be undertaken, dismantling core etc, in the presence of HESCOM authorised representative. As per revised MWSR 2016, Part-III, Sl No. 3, Page No 157. 5MVA 1 28290 0 0 The rate is exclusive of GST
2 Providing new winding in place of damaged winding including cost of materials, laboures,drying etc.(Both HV & LV) per kg of winding. As per MWSR 2023-24 Part-III, Sl No. 3C(ii) Page-148. Kg 25 973 0 0 Exact qty will be known during joint survey The rate is exclusive of GST
3 Providing solid insulation materials for replacement to damaged or burnt insulation as per actual weight. As per MWSR 2023-24 Part-III, Sl No. 3B(i) , Page No 148. Kg 220 939 0 0 -do-
4 Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation. As per MWSR 2023-24, Part-III, Sl No. 3C(i) , Page No 148. Kg 1000 248 0 0 -do-
5 Providing CRGO Core. As per MWSR 2023-24, Part-III, Sl No. 3A(i), Page No 148. Kg 300 776 0 0 -do-
6 Repair and overauling of OLTC / Divertor switch including change of oil, lubrication and replacement of gaskets and other parts which are locally available. As per revised MWSR 2016, Part-III, Sl No. 7(a), Page No 156. 5MVA 1 19643 0 0 The rate is exclusive of GST
7 Spares for OLTC/Divertor switch (spares to be procured from the original manufacturers only). 5MVA Exact qty will be as per actual at the time of joint survey. The rate is as per approx. market rate.
a) Fixed contact No 25 3000 0 0
b) Moving Contact No 6 3500 0 0
c) Transition resistors Set 3 1500 0 0
8 Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting out side the tank with enamel paint after thorough cleaning including the cost of materials including the painting of radiators at site/ Firm. As per revised MWSR 2016, Part-III, Sl No. 8, Page No 156. No 5MVA 20269 0 0 The rate is exclusive of GST
9 Re assembly of core and winding. As per revised MWSR 2016, Part-III, Sl No. 9, Page No 155. No 5MVA 33089 0 0 -do-
10 Drying out the assembly of core and winding in oven / vacuum chamber, till the specified insulation resistance values are obtained. (Including cost of material and labour). As per revised MWSR 2016, Part-III, Sl No. 10, Page No 155. No 5MVA 39359 0 0 -do-
11 Tanking the assembly giving connection, providing new gaskets and insulating materials conforming to relevant ISS putting back the cover, tightening the fixtures, fixing the bushing etc, including the cost of all materials like gaskets insulating material,Bolts & Nuts etc., and Labour. Other accessories at repairer work to facilitate the testing. As per revised MWSR 2016, Part-III, Sl No. 11, Page No 155. No 5MVA 18768 0 0 -do-
12 Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values including labour, filtering equipment along with accessories. As per MWSR 2023-24, Part-III, Sl No. 5(F), Page No 142. Ltrs 5.32 0 0 -do-
13 Replacement of faulty Spares for Transformer which shall be procured from the original manufacture Exact qty will be as per actual at the time of joint survey. The rate is exclusive of GST
i. Silica gel breather (2Nos) . As per revised MWSR 2016, Part-III, Sl No. 26, Page No 153. 1 2963 0 0
ii. BH Relay. As per MWSR 2023-24, Part-III, Sl No. 6(A), Page No 138. 1 8743 0 0
iii. OTI (As per revised MWSR 2016, Part-III, Sl No. 21, Page No 153) 1 5000 0 0
iv. WTI (As per revised MWSR 2016,Part-III, Sl No. 20, Page No 153) 1 5000 0 0
v. MOG (As per MWSR 2023-24, Part-III, Sl No. 5(B), Page No 138) 1 7410 0 0
vi. OSR (As per MWSR 2023-24,Part-III, Sl No. 6(B), Page No 138) 1 3743 0 0
vii. Various types of valves. (As per revised MWSR 2016, Part-III, Sl No. 27, Page No 153) 1 0 0
14 Testing the transformer for routine tests as per IS: 2026-1983. As per revised MWSR 2016, Part-III, Sl.No 15, Page No 154. 5MVA 1 18987 0 0 The rate is exclusive of GST
15 Supervising and commissioning of transformer in the presence of MRT staff as and when the transformer is ready for commisssioning. As per revised MWSR 2016, Part-III, Sl No. 18, Page No 154. 5MVA 1 7605 0 0 The rate is exclusive of GST
16 Loading of the repaired good power transformer with oil & all its accessories after testing. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 12.4 1655 0 0 The rate is exclusive of GST
17 Loading of the faulty power transformer from the site. As per MWSR 2019, Part-II, Sl No. 40a, Page No 98. MT 9.44 0 0 The rate is exclusive of GST
18 Transportation of faulty Trfs from site to the repairer work bay in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 105.42 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
19 Transit risk insurance of faulty Power tfr from site to repairers premises. L/S --- --- 0 0 5000
20 Unloading of the faulty power transformer with active parts at repairers work bay. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 1655 0 0 The rate is exclusive of GST
21 Transportation of repaired good transformer to the allotted sub-station in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
22 Transit risk insurance for repaired good power transformer from repairers premises to the alotted sub station. L/S --- --- 0 5000
23 Moving the repaired good power transformer to the plinth at the allotted sub-station. Maximum allowable distance is 50Mtrs (More than 50Mtrs approval of the D(T) has to be obtained) As per MWSR-2023-24, Part-II, Sl.No-9(a) of Pg.No-116 Per MT/ Mtr 12.40 MT/ 30Mtr 80 0 0 As per actuals in allotted station
24 Assembling of transformer parts Such as Radiators, Conservator tank, Breather, Base wheels, earthing of Trf, filling oil into the transformer main tank and conservator tank etc. MWSR-2023-24, Part-II, Page No: 116, sl No: 9(b) MT 12.4 1134 0 0
25 Unloading of repaired good transformer at the allotted site on the plinth with all its accessories HESCOM. As per MWSR 2019, Part-II, Sl No. 40(b), Page No 98 Dtd: 28.05.2019 MT 0 0 The rate is exclusive of GST
Total amount of Part B 849487.38 382765.92 10000
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost Estimate for repairing of faulty 5MVA 33/11KV Power Transformer-2 failed at 33/11 KV MUSS Sunkalbidri in 33kv S&L Sub-division Ranebennur on PTK Basis.
PART C- Credit Portion
Sl No Particulars Unit Qty Rate Material Cost Remarks
1 Released Scrap Copper winding HV/LV limb. As per MWSR-2023-24, Part-III, Sl No. 10(A), Page No. 139 Kg - 569 Scrap
2 Released scrap Fixed contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 21 6
3 Released scrap Moving contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 30 9
4 Transition resistor Set - NV 0 Scrap
5 Damaged CRGO Core laminations as per MWSR-2023-24, Part-III, Sl No. 10(C), Page No. 139 Kg - 133 Scrap
6 Faulty B/H, OSR,OTI, Silica gel breather, WTI & Various types of valves. As per MWSR-2023-24, Part-III, Sl No. 10(B), Page No. 139 Kg - 14 41 Scrap
7 Released Empty Barrels. As per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos - 469 Good
Total amount of Part C
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Calculation sheet for preparing estimate for repairing of faulty 5MVA 33/11KV Power Transformer-2 failed at 33/11 KV MUSS Sunkalbidri.
Power transformer name plate details OLTC Details:
Make: Techno Power Corporation Ltd., Make: On Load Gears, Chennai
Volts: 33KV/11KV Sl No:18545
Amps: 87.4A/262.4 A Rated Step Voltage: 412.5V
Untanking Mass: 7130 kgs Total Weight: 720 Kg
Mass of Oil: 2635 kgs Volume of Oil: 380 ltrs
Volume of Oil: 3100 Ltrs Mass of Oil : 327 Kgs
Transport Mass: 12400 Kgs
Total Mass: 12400 Kgs
Part-A HESCOM PORTION
Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) Main Tank
Empty oil barrels (Good) 3585/209
PART B- REPAIR WORK
1. Providing new winding- weight of core and Wdg
2. Copper winding Weight including solid insulation ( 30% of b)
Only copper winidng weight ( 80% of c)
Only Solid insulation weight ( 20% of c)
For 1 Limb winding weight (d/3)
3.Providing solid insulation materials
4. Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation- Two Limbs Wdg ( 2 X e)
5. Providing CRGO Core (always Considered as 100Kg) 100
12. Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values (--a)
16. Loading of the repaired good power transformer with oil & all its accessories after testing.
17. Loading of the faulty power transformer from the site.
Repairs & Reconditioning of 07 Nos of faulty 33/11kV 1X5MVA Power Transformer failed at 33/11KV Sub-stations in 33KV S&L Division, HESCOM, Haveri
S.No 33KV S&L Division Name of the Sub Station Make Sl.No. Failed on Cost of Estimate without GST
1 Haveri 33/11KV S/S Hattimattur Kirloskar 66SG002/3 21.03.2026 1288376.02
2 Haveri 33/11KV S/S Bommanahalli SPEC ST37512 10.12.2025 1265084.94
3 Haveri 33/11KV S/S Gandhipur Tesla TTL/PP/2/10237 24.03.2026 1280705.94
4 Haveri 33/11 KV MUSS Halgeri Techno Power Corporation Ltd TPC/33/11/5000/07012 05.12.2025 1244162.14
5 Haveri 33/11 KV MUSS Kalakeri Rima Transformers & Conductors PVT LTD 1163/2 15.05.2026 1291462.74
6 Haveri 33/11 KV MUSS Shidenur IMP(Industrial Meters Private LTD Bombay) PT-1753 13.05.2025 1100391.62
7 Haveri 33/11 KV MUSS Sunkalbidri Techno Power Corporation Ltd TPC/33/11/5000/07016 01.07.2025 1242253.30
Estimated Cost 6,369,791.78
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Provisional estimate for repair and reconditioning of faulty 5MVA, 33/11KV Power Transformer of Make: Kirloskar, Sl No: 66SG002/3, which was failed at 3X5MVA, 33/11KV MUSS, Hattimattur in Savanur Taluka in O&M Division, HESCOM, Haveri
Sl. No. Particulars Material Erection Transit Insuranace Total
1 Material cost
2 Labour charges
3 Transit Insuranace
5 Apllicable GST on Sum SLNo- 4 0
6 Cost of estimate (Sum of Sl No 4 to 5)
Tender Component
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost Estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Shidenur 33kv S&L Sub-division Ranebennur on PTK Basis.
Power transformer: Name plate details OLTC Details:
Make: IMP(Industrial Meters Private LTD Bombay) Make: IMP
Sl No:PT-1753 Vector Group: Dyn11 Type: HG-33
Capacity: 5MVA Type of cooling: No Sl No: HG-1934
Volts: 33KV/11KV Impedance Volts: 6.44/4.73
Amps: 87.4A/262.4 A 87.48/262.44 A Volume of Oil: 640 ltrs
Core & Winding Mass: 5850 Kgs Mass of Oil: 555 Kgs
Mass of Oil: 3125 Kgs Total Weight: 1050kgs
Volume of Oil: 3680 Ltrs Rated Step Voltage: 412.5V
Total Mass: 14000 Kgs YOM: 1989
Part-A HESCOM PORTION
Sl No Particulars Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Faulty 5 MVA 33/11KV Power Transformer Make: IMP(Industrial Meters Private LTD Bombay) Sl No:PT-1753 , without oil & with all its accessiories, failed at Shidenur. No 1 VA VA VA VA
2 Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) as per CSR-2025-26 Sl No. 155, Item No.15.01, Page No 143 Ltrs 4450 79.91 0 0 Oil to be supplied by HESCOM The rate is exclusive of GST
3 Empty oil barrels (Good) as per CSR-2025-26 Sl No. 706, Item No.69.19, Page No 32 of 52 Nos 22 451 0 0 The rate is exclusive of GST
Total amount of Part A
PART B- REPAIR WORK
Sl No Description of work Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Dismantling faulty transformer for joint inspection at repairers premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting of preliminary test required for assessment of repair work to be undertaken, dismantling core etc, in the presence of HESCOM authorised representative. As per revised MWSR 2016, Part-III, Sl No. 3, Page No 157. 5MVA 1 28290 0 0 The rate is exclusive of GST
2 Providing new winding in place of damaged winding including cost of materials, laboures,drying etc.(Both HV & LV) per kg of winding. As per MWSR 2023-24 Part-III, Sl No. 3C(ii) Page-148. Kg 21 973 0 0 Exact qty will be known during joint survey The rate is exclusive of GST
3 Providing solid insulation materials for replacement to damaged or burnt insulation as per actual weight. As per MWSR 2023-24 Part-III, Sl No. 3B(i) , Page No 148. Kg 160 939 0 0 -do-
4 Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation. As per MWSR 2023-24, Part-III, Sl No. 3C(i) , Page No 148. Kg 900 248 0 0 -do-
5 Providing CRGO Core. As per MWSR 2023-24, Part-III, Sl No. 3A(i), Page No 148. Kg 250 776 0 0 -do-
6 Repair and overauling of OLTC / Divertor switch including change of oil, lubrication and replacement of gaskets and other parts which are locally available. As per revised MWSR 2016, Part-III, Sl No. 7(a), Page No 156. 5MVA 1 19643 0 0 The rate is exclusive of GST
7 Spares for OLTC/Divertor switch (spares to be procured from the original manufacturers only). 5MVA Exact qty will be as per actual at the time of joint survey. The rate is as per approx. market rate.
a) Fixed contact No 20 3000 0 0
b) Moving Contact No 6 3500 0 0
c) Transition resistors Set 3 1500 0 0
8 Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting out side the tank with enamel paint after thorough cleaning including the cost of materials including the painting of radiators at site/ Firm. As per revised MWSR 2016, Part-III, Sl No. 8, Page No 156. No 5MVA 20269 0 0 The rate is exclusive of GST
9 Re assembly of core and winding. As per revised MWSR 2016, Part-III, Sl No. 9, Page No 155. No 5MVA 33089 0 0 -do-
10 Drying out the assembly of core and winding in oven / vacuum chamber, till the specified insulation resistance values are obtained. (Including cost of material and labour). As per revised MWSR 2016, Part-III, Sl No. 10, Page No 155. No 5MVA 39359 0 0 -do-
11 Tanking the assembly giving connection, providing new gaskets and insulating materials conforming to relevant ISS putting back the cover, tightening the fixtures, fixing the bushing etc, including the cost of all materials like gaskets insulating material,Bolts & Nuts etc., and Labour. Other accessories at repairer work to facilitate the testing. As per revised MWSR 2016, Part-III, Sl No. 11, Page No 155. No 5MVA 18768 0 0 -do-
12 Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values including labour, filtering equipment along with accessories. As per MWSR 2023-24, Part-III, Sl No. 5(F), Page No 142. Ltrs 5.32 0 0 -do-
13 Replacement of faulty Spares for Transformer which shall be procured from the original manufacture Exact qty will be as per actual at the time of joint survey. The rate is exclusive of GST
i. Silica gel breather (2Nos) . As per revised MWSR 2016, Part-III, Sl No. 26, Page No 153. 1 2963 0 0
ii. BH Relay. As per MWSR 2023-24, Part-III, Sl No. 6(A), Page No 138. 1 8743 0 0
iii. OTI (As per revised MWSR 2016, Part-III, Sl No. 21, Page No 153) 1 5000 0 0
iv. WTI (As per revised MWSR 2016,Part-III, Sl No. 20, Page No 153) 1 5000 0 0
v. MOG (As per MWSR 2023-24, Part-III, Sl No. 5(B), Page No 138) 1 7410 0 0
vi. OSR (As per MWSR 2023-24,Part-III, Sl No. 6(B), Page No 138) 1 3743 0 0
vii. Various types of valves. (As per revised MWSR 2016, Part-III, Sl No. 27, Page No 153) 1 0 0
14 Testing the transformer for routine tests as per IS: 2026-1983. As per revised MWSR 2016, Part-III, Sl.No 15, Page No 154. 5MVA 1 18987 0 0 The rate is exclusive of GST
15 Supervising and commissioning of transformer in the presence of MRT staff as and when the transformer is ready for commisssioning. As per revised MWSR 2016, Part-III, Sl No. 18, Page No 154. 5MVA 1 7605 0 0 The rate is exclusive of GST
16 Loading of the repaired good power transformer with oil & all its accessories after testing. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 10.32 1655 0 0 The rate is exclusive of GST
17 Loading of the faulty power transformer from the site. As per MWSR 2019, Part-II, Sl No. 40a, Page No 98. MT 10.32 0 0 The rate is exclusive of GST
18 Transportation of faulty Trfs from site to the repairer work bay in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 105.42 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
19 Transit risk insurance of faulty Power tfr from site to repairers premises. L/S --- --- 0 0 5000
20 Unloading of the faulty power transformer with active parts at repairers work bay. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 1655 0 0 The rate is exclusive of GST
21 Transportation of repaired good transformer to the allotted sub-station in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
22 Transit risk insurance for repaired good power transformer from repairers premises to the alotted sub station. L/S --- --- 0 5000
23 Moving the repaired good power transformer to the plinth at the allotted sub-station. Maximum allowable distance is 50Mtrs (More than 50Mtrs approval of the D(T) has to be obtained) As per MWSR-2023-24, Part-II, Sl.No-9(a) of Pg.No-116 Per MT/ Mtr 14.00 MT/ 30Mtr 80 0 0 As per actuals in allotted station
24 Assembling of transformer parts Such as Radiators, Conservator tank, Breather, Base wheels, earthing of Trf, filling oil into the transformer main tank and conservator tank etc. MWSR-2023-24, Part-II, Page No: 116, sl No: 9(b) MT 14 1134 0 0
25 Unloading of repaired good transformer at the allotted site on the plinth with all its accessories HESCOM. As per MWSR 2019, Part-II, Sl No. 40(b), Page No 98 Dtd: 28.05.2019 MT 0 0 The rate is exclusive of GST
Total amount of Part B 710655.38 349416.07999999996 10000
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost Estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Shidenur 33kv S&L Sub-division Ranebennur on PTK Basis.
PART C- Credit Portion
Sl No Particulars Unit Qty Rate Material Cost Remarks
1 Released Scrap Copper winding HV/LV limb. As per MWSR-2023-24, Part-III, Sl No. 10(A), Page No. 139 Kg - 569 Scrap
2 Released scrap Fixed contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap
3 Released scrap Moving contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap
4 Transition resistor Set - NV 0 Scrap
5 Damaged CRGO Core laminations as per MWSR-2023-24, Part-III, Sl No. 10(C), Page No. 139 Kg - 133 Scrap
6 Faulty B/H, OSR,OTI, Silica gel breather, WTI & Various types of valves. As per MWSR-2023-24, Part-III, Sl No. 10(B), Page No. 139 Kg - 14 41 Scrap
7 Released Empty Barrels. As per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos - 469 Good
Total amount of Part C
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Calculation sheet for preparing estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Halgeri.
Power transformer name plate details OLTC Details:
Make :IMP(Industrial Meters Private LTD Bombay) Make: IMP
Sl No: PT-1753 Type: HG-33
Volts: 33KV/11KV Sl No: HG-1934
Amps: 87.4A/262.4 A Rated Step Voltage: 412.5V
Untanking Mass: 5850 kgs Total Weight: 1050 Kg
Mass of Oil: 3125 kgs Volume of Oil: 640 ltrs
Volume of Oil: 3680 Ltrs Mass of Oil : 555 Kgs
Transport Mass: 14000 Kgs
Total Mass: 14000 Kgs
Part-A HESCOM PORTION
Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) Main Tank
Empty oil barrels (Good) 4450/209
PART B- REPAIR WORK
1. Providing new winding- weight of core and Wdg
2. Copper winding Weight including solid insulation ( 30% of b)
Only copper winidng weight ( 80% of c)
Only Solid insulation weight ( 20% of c)
For 1 Limb winding weight (d/3)
3.Providing solid insulation materials
4. Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation- Two Limbs Wdg ( 2 X e)
5. Providing CRGO Core (always Considered as 100Kg) 100
12. Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values (--a)
16. Loading of the repaired good power transformer with oil & all its accessories after testing.
17. Loading of the faulty power transformer from the site.
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Provisional estimate for repair and reconditioning of faulty 5MVA, 33/11KV Power Transformer of Make: Techno Power Corporation Ltd, Sl No: TPC/33/11/5000/07012, which was failed at 3X5MVA, 33/11KV MUSS, Halgeri in Savanur Taluka in O&M Division, HESCOM, Ranebennur
Sl. No. Particulars Material Erection Transit Insuranace Total
1 Material cost
2 Labour charges
3 Transit Insuranace
5 Apllicable GST on Sum SLNo- 4 0
6 Cost of estimate (Sum of Sl No 4 to 5)
Tender Component
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost Estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Halgeri in 33kv S&L Sub-division Ranebennur on PTK Basis.
Power transformer: Name plate details OLTC Details:
Make: Techno Power Corporation Ltd., Make: CTR On Load Gears
Sl No: TPC/33/11/5000/07012 Vector Group: Dyn11 Type: E016
Capacity: 5MVA Type of cooling: ONAN Sl No: 2720289
Volts: 33KV/11KV Impedance Volts: 7.22/7.15/8.64 Rated Current OLTC-200A
Amps: 87.4A/262.4 A Volume of Oil: 380 ltrs
Core & Winding Mass: 7130 kgs Mass of Oil: 327 Kgs
Mass of Oil: 2635 kgs Total Weight: 720 kgs
Volume of Oil: 3100 Ltrs Rated Step Voltage: 412.5V
Total Mass: 12400 kgs YOM: 2007
Part-A HESCOM PORTION
Sl No Particulars Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Faulty 5 MVA 33/11KV Power Transformer Make: Techno Power Corporation Ltd., Sl No:TPC/33/11/5000/07012 , without oil & with all its accessiories, failed at Halgeri. No 1 VA VA VA VA
2 Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) as per CSR-2025-26 Sl No. 155, Item No.15.01, Page No 143 Ltrs 3584 79.91 0 0 Oil to be supplied by HESCOM The rate is exclusive of GST
3 Empty oil barrels (Good) as per CSR-2025-26 Sl No. 706, Item No.69.19, Page No 32 of 52 Nos 18 451 0 0 The rate is exclusive of GST
Total amount of Part A
PART B- REPAIR WORK
Sl No Description of work Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Dismantling faulty transformer for joint inspection at repairers premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting of preliminary test required for assessment of repair work to be undertaken, dismantling core etc, in the presence of HESCOM authorised representative. As per revised MWSR 2016, Part-III, Sl No. 3, Page No 157. 5MVA 1 28290 0 0 The rate is exclusive of GST
2 Providing new winding in place of damaged winding including cost of materials, laboures,drying etc.(Both HV & LV) per kg of winding. As per MWSR 2023-24 Part-III, Sl No. 3C(ii) Page-148. Kg 27 973 0 0 Exact qty will be known during joint survey The rate is exclusive of GST
3 Providing solid insulation materials for replacement to damaged or burnt insulation as per actual weight. As per MWSR 2023-24 Part-III, Sl No. 3B(i) , Page No 148. Kg 220 939 0 0 -do-
4 Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation. As per MWSR 2023-24, Part-III, Sl No. 3C(i) , Page No 148. Kg 1000 248 0 0 -do-
5 Providing CRGO Core. As per MWSR 2023-24, Part-III, Sl No. 3A(i), Page No 148. Kg 300 776 0 0 -do-
6 Repair and overauling of OLTC / Divertor switch including change of oil, lubrication and replacement of gaskets and other parts which are locally available. As per revised MWSR 2016, Part-III, Sl No. 7(a), Page No 156. 5MVA 1 19643 0 0 The rate is exclusive of GST
7 Spares for OLTC/Divertor switch (spares to be procured from the original manufacturers only). 5MVA Exact qty will be as per actual at the time of joint survey. The rate is as per approx. market rate.
a) Fixed contact No 25 3000 0 0
b) Moving Contact No 6 3500 0 0
c) Transition resistors Set 3 1500 0 0
8 Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting out side the tank with enamel paint after thorough cleaning including the cost of materials including the painting of radiators at site/ Firm. As per revised MWSR 2016, Part-III, Sl No. 8, Page No 156. No 5MVA 20269 0 0 The rate is exclusive of GST
9 Re assembly of core and winding. As per revised MWSR 2016, Part-III, Sl No. 9, Page No 155. No 5MVA 33089 0 0 -do-
10 Drying out the assembly of core and winding in oven / vacuum chamber, till the specified insulation resistance values are obtained. (Including cost of material and labour). As per revised MWSR 2016, Part-III, Sl No. 10, Page No 155. No 5MVA 39359 0 0 -do-
11 Tanking the assembly giving connection, providing new gaskets and insulating materials conforming to relevant ISS putting back the cover, tightening the fixtures, fixing the bushing etc, including the cost of all materials like gaskets insulating material,Bolts & Nuts etc., and Labour. Other accessories at repairer work to facilitate the testing. As per revised MWSR 2016, Part-III, Sl No. 11, Page No 155. No 5MVA 18768 0 0 -do-
12 Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values including labour, filtering equipment along with accessories. As per MWSR 2023-24, Part-III, Sl No. 5(F), Page No 142. Ltrs 5.32 0 0 -do-
13 Replacement of faulty Spares for Transformer which shall be procured from the original manufacture Exact qty will be as per actual at the time of joint survey. The rate is exclusive of GST
i. Silica gel breather (2Nos) . As per revised MWSR 2016, Part-III, Sl No. 26, Page No 153. 1 2963 0 0
ii. BH Relay. As per MWSR 2023-24, Part-III, Sl No. 6(A), Page No 138. 1 8743 0 0
iii. OTI (As per revised MWSR 2016, Part-III, Sl No. 21, Page No 153) 1 5000 0 0
iv. WTI (As per revised MWSR 2016,Part-III, Sl No. 20, Page No 153) 1 5000 0 0
v. MOG (As per MWSR 2023-24, Part-III, Sl No. 5(B), Page No 138) 1 7410 0 0
vi. OSR (As per MWSR 2023-24,Part-III, Sl No. 6(B), Page No 138) 1 3743 0 0
vii. Various types of valves. (As per revised MWSR 2016, Part-III, Sl No. 27, Page No 153) 1 0 0
14 Testing the transformer for routine tests as per IS: 2026-1983. As per revised MWSR 2016, Part-III, Sl.No 15, Page No 154. 5MVA 1 18987 0 0 The rate is exclusive of GST
15 Supervising and commissioning of transformer in the presence of MRT staff as and when the transformer is ready for commisssioning. As per revised MWSR 2016, Part-III, Sl No. 18, Page No 154. 5MVA 1 7605 0 0 The rate is exclusive of GST
16 Loading of the repaired good power transformer with oil & all its accessories after testing. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 12.4 1655 0 0 The rate is exclusive of GST
17 Loading of the faulty power transformer from the site. As per MWSR 2019, Part-II, Sl No. 40a, Page No 98. MT 9.43 0 0 The rate is exclusive of GST
18 Transportation of faulty Trfs from site to the repairer work bay in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 105.42 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
19 Transit risk insurance of faulty Power tfr from site to repairers premises. L/S --- --- 0 0 5000
20 Unloading of the faulty power transformer with active parts at repairers work bay. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 1655 0 0 The rate is exclusive of GST
21 Transportation of repaired good transformer to the allotted sub-station in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
22 Transit risk insurance for repaired good power transformer from repairers premises to the alotted sub station. L/S --- --- 0 5000
23 Moving the repaired good power transformer to the plinth at the allotted sub-station. Maximum allowable distance is 50Mtrs (More than 50Mtrs approval of the D(T) has to be obtained) As per MWSR-2023-24, Part-II, Sl.No-9(a) of Pg.No-116 Per MT/ Mtr 12.4 MT/ 30Mtr 80 0 0 As per actuals in allotted station
24 Assembling of transformer parts Such as Radiators, Conservator tank, Breather, Base wheels, earthing of Trf, filling oil into the transformer main tank and conservator tank etc. MWSR-2023-24, Part-II, Page No: 116, sl No: 9(b) MT 12.4 1134 0 0
25 Unloading of repaired good transformer at the allotted site on the plinth with all its accessories HESCOM. As per MWSR 2019, Part-II, Sl No. 40(b), Page No 98 Dtd: 28.05.2019 MT 0 0 The rate is exclusive of GST
Total amount of Part B 851433.38 350660.49 10000
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost Estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Halgeri in 33kv S&L Sub-division Ranebennur on PTK Basis.
PART C- Credit Portion
Sl No Particulars Unit Qty Rate Material Cost Remarks
1 Released Scrap Copper winding HV/LV limb. As per MWSR-2023-24, Part-III, Sl No. 10(A), Page No. 139 Kg - 569 Scrap
2 Released scrap Fixed contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 21 6
3 Released scrap Moving contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 30 9
4 Transition resistor Set - NV 0 Scrap
5 Damaged CRGO Core laminations as per MWSR-2023-24, Part-III, Sl No. 10(C), Page No. 139 Kg - 133 Scrap
6 Faulty B/H, OSR,OTI, Silica gel breather, WTI & Various types of valves. As per MWSR-2023-24, Part-III, Sl No. 10(B), Page No. 139 Kg - 14 41 Scrap
7 Released Empty Barrels. As per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos - 469 Good
Total amount of Part C
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Calculation sheet for preparing estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Halgeri.
Power transformer name plate details OLTC Details:
Make: Techno Power Corporation Ltd., Make: CTR On Load Gear
Sl No: TPC/33/11/5000/07012 Type: E016
Volts: 33KV/11KV Sl No: 2720289
Amps: 87.4A/262.4 A Rated Step Voltage: 412.5V
Untanking Mass: 7130 kgs Total Weight: 720 Kg
Mass of Oil: 2635 kgs Volume of Oil: 380 ltrs
Volume of Oil: 3100 Ltrs Mass of Oil : 327 Kgs
Transport Mass: 12400 Kgs
Total Mass: 12400 Kgs
Part-A HESCOM PORTION
Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) Main Tank
Empty oil barrels (Good) 3585/209
PART B- REPAIR WORK
1. Providing new winding- weight of core and Wdg
2. Copper winding Weight including solid insulation ( 30% of b)
Only copper winidng weight ( 80% of c)
Only Solid insulation weight ( 20% of c)
For 1 Limb winding weight (d/3)
3.Providing solid insulation materials
4. Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation- Two Limbs Wdg ( 2 X e)
5. Providing CRGO Core (always Considered as 100Kg) 100
12. Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values (--a)
16. Loading of the repaired good power transformer with oil & all its accessories after testing.
17. Loading of the faulty power transformer from the site.
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Provisional estimate for repair and reconditioning of faulty 5MVA, 33/11KV Power Transformer of Make: Kirloskar, Sl No: 66SG002/3, which was failed at 3X5MVA, 33/11KV MUSS, Hattimattur in Savanur Taluka in O&M Division, HESCOM, Haveri
Sl. No. Particulars Material Erection Transit Insuranace Total
1 Material cost
2 Labour charges
3 Transit Insuranace
5 Apllicable GST on Sum SLNo- 4 0
6 Cost of estimate (Sum of Sl No 4 to 5)
Tender Component
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Hattimattur, In Savanur talluq, S&L subdivision ,HESCOM ,Haveri.
Power transformer: Name plate details OLTC Details:
Make: Kirloskar Make: Kirloskar
Sl No: 66SG002/3 Vector Group: Dyn11 Type: E016
Capacity: 5MVA Type of cooling: ONAN Sl No: 20220
Volts: 33KV/11KV Impedance Volts: 4.83% Rated Step Voltage: 412.5V
Amps: 87.5A/262.43 A Volume of Oil: 589 ltrs
Core & Winding Mass: 7525 kgs Mass of Oil: 700 Kgs
Mass of Oil: 5696 kgs Total Weight: 1187 kgs
Volume of Oil: 6400 Ltrs
Total Mass: 13633 kgs
Part-A HESCOM PORTION
Sl No Particulars Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Faulty 5 MVA 33/11KV Power Transformer Make: SPEC, Sl No:ST37512, without oil & with all its accessiories, failed at Hattimattur. No 1 VA VA VA VA
2 Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) as per CSR-2025-26 Sl No. 155, Item No.15.01, Page No 143 Ltrs 6592 79.91 0 0 Oil to be supplied by HESCOM The rate is exclusive of GST
3 Empty oil barrels (Good) as per CSR-2025-26 Sl No. 706, Item No.69.19, Page No 32 of 52 Nos 32 451 0 0 The rate is exclusive of GST
Total amount of Part A
PART B- REPAIR WORK
Sl No Description of work Unit Qty Rate Material Cost Labour Charges Transit Risk Insurance Remarks
1 Dismantling faulty transformer for joint inspection at repairers premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting of preliminary test required for assessment of repair work to be undertaken, dismantling core etc, in the presence of HESCOM authorised representative. As per revised MWSR 2016, Part-III, Sl No. 3, Page No 157. 5MVA 1 28290 0 0 The rate is exclusive of GST
2 Providing new winding in place of damaged winding including cost of materials, laboures,drying etc.(Both HV & LV) per kg of winding. As per MWSR 2023-24 Part-III, Sl No. 3C(ii) Page-148. Kg 30 973 0 0 Exact qty will be known during joint survey The rate is exclusive of GST
3 Providing solid insulation materials for replacement to damaged or burnt insulation as per actual weight. As per MWSR 2023-24 Part-III, Sl No. 3B(i) , Page No 148. Kg 220 939 0 0 -do-
4 Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation. As per MWSR 2023-24, Part-III, Sl No. 3C(i) , Page No 148. Kg 1000 248 0 0 -do-
5 Providing CRGO Core. As per MWSR 2023-24, Part-III, Sl No. 3A(i), Page No 148. Kg 300 776 0 0 -do-
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Hattimattur.
6 Repair and overauling of OLTC / Divertor switch including change of oil, lubrication and replacement of gaskets and other parts which are locally available. As per revised MWSR 2016, Part-III, Sl No. 7(a), Page No 156. 5MVA 1 19643 0 0 The rate is exclusive of GST
7 Spares for OLTC/Divertor switch (spares to be procured from the original manufacturers only). 5MVA Exact qty will be as per actual at the time of joint survey. The rate is as per approx. market rate.
a) Fixed contact No 25 3000 0 0
b) Moving Contact No 6 3500 0 0
c) Transition resistors Set 3 1500 0 0
8 Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting out side the tank with enamel paint after thorough cleaning including the cost of materials including the painting of radiators at site/ Firm. As per revised MWSR 2016, Part-III, Sl No. 8, Page No 156. No 5MVA 20269 0 0 The rate is exclusive of GST
9 Re assembly of core and winding. As per revised MWSR 2016, Part-III, Sl No. 9, Page No 155. No 5MVA 33089 0 0 -do-
10 Drying out the assembly of core and winding in oven / vacuum chamber, till the specified insulation resistance values are obtained. (Including cost of material and labour). As per revised MWSR 2016, Part-III, Sl No. 10, Page No 155. No 5MVA 39359 0 0 -do-
11 Tanking the assembly giving connection, providing new gaskets and insulating materials conforming to relevant ISS putting back the cover, tightening the fixtures, fixing the bushing etc, including the cost of all materials like gaskets insulating material,Bolts & Nuts etc., and Labour. Other accessories at repairer work to facilitate the testing. As per revised MWSR 2016, Part-III, Sl No. 11, Page No 155. No 5MVA 18768 0 0 -do-
12 Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values including labour, filtering equipment along with accessories. As per MWSR 2023-24, Part-III, Sl No. 5(F), Page No 142. Ltrs 5.32 0 0 -do-
13 Replacement of faulty Spares for Transformer which shall be procured from the original manufacture Exact qty will be as per actual at the time of joint survey. The rate is exclusive of GST
i. Silica gel breather (2Nos) As per CSR 2023-24, Part-III, Sl No. 1(A) of Page 133. Set 1 2963 0 0
ii. BH Relay. As per MWSR 2023-24, Part-III, Sl No. 6(A), Page No 138. 1 8743 0 0
iii. OTI (As per revised MWSR 2016, Part-III, Sl No. 21, Page No 153) 1 5000 0 0
iv. WTI (As per revised MWSR 2016,Part-III, Sl No. 20, Page No 153) 1 5000 0 0
v. MOG (As per MWSR 2023-24, Part-III, Sl No. 5(B), Page No 138) 1 7410 0 0
vi. OSR (As per MWSR 2023-24,Part-III, Sl No. 6(B), Page No 138) 1 3743 0 0
vii. Various types of valves. (As per revised MWSR 2016, Part-III, Sl No. 27, Page No 153) 1 0 0
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Hattimattur.
14 Testing the transformer for routine tests as per IS: 2026-1983. As per revised MWSR 2016, Part-III, Sl.No 15, Page No 154. 5MVA 1 18987 0 0 The rate is exclusive of GST
15 Supervising and commissioning of transformer in the presence of MRT staff as and when the transformer is ready for commisssioning. As per revised MWSR 2016, Part-III, Sl No. 18, Page No 154. 5MVA 1 7605 0 0 The rate is exclusive of GST
16 Loading of the repaired good power transformer with oil & all its accessories after testing. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 13.7 1655 0 0 The rate is exclusive of GST
17 Loading of the faulty power transformer from the site. As per MWSR 2019, Part-II, Sl No. 40a, Page No 98. MT 0 0 The rate is exclusive of GST
18 Transportation of faulty Trfs from site to the repairer work bay in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 105.42 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
19 Transit risk insurance of faulty Power tfr from site to repairers premises. L/S --- --- 0 0 5000
20 Unloading of the faulty power transformer with active parts at repairers work bay. As per MWSR 2023-24, Part-III, Sl No. 2, Page No 140. MT 1655 0 0 The rate is exclusive of GST
21 Transportation of repaired good transformer to the allotted sub-station in appropriate transport vehicle i.e using 11 to 20MT Truck & Trailor for distance upto 250 km. As per MWSR 2019, Part-II, Sl No 39(A)(3), Page 96. (Upto 250Kms: Rs.105.42/Km, Greater than 250Kms: Rs.81.99/Km Exclusive of GST) Note: The rates are for up & down journey. In case if the distance travelled is less than or equal to 250Kms, the minimum distance travelled shall be considered as 250Kms only. Kms 250 0 0 Actual destination & distance will be known only after allotment of power transformer. The rate is exclusive of GST
22 Transit risk insurance for repaired good power transformer from repairers premises to the alotted sub station. L/S --- --- 0 5000
23 Moving the repaired good power transformer to the plinth at the allotted sub-station. Maximum allowable distance is 50Mtrs (More than 50Mtrs approval of the D(T) has to be obtained) As per MWSR-2023-24, Part-II, Sl.No-9(a) of Pg.No-116 Per MT/ Mtr 13.7 MT/ 30Mtr 80 0 0 As per actuals in allotted station
24 Assembling of transformer parts Such as Radiators, Conservator tank, Breather, Base wheels, earthing of Trf, filling oil into the transformer main tank and conservator tank etc. MWSR-2023-24, Part-II, Page No: 116, sl No: 9(b) MT 13.7 1134 0 0
25 Unloading of repaired good transformer at the allotted site on the plinth with all its accessories HESCOM. As per MWSR 2019, Part-II, Sl No. 40(b), Page No 98 Dtd: 28.05.2019 MT 0 0 The rate is exclusive of GST
Total amount of Part B
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Cost estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Hattimattur.
PART C- Credit Portion
Sl No Particulars Unit Qty Rate Material Cost Remarks
1 Released Scrap Copper winding HV/LV limb. As per MWSR-2023-24, Part-III, Sl No. 10(A), Page No. 139 Kg - 569 Scrap
2 Released scrap Fixed contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 21 6
3 Released scrap Moving contacts. As per MWSR-2023-24, Part-III, Sl No. 10(D), Page No. 139 Nos/Kg 416 Scrap 30 9
4 Transition resistor Set - 0 NV 0 Scrap
5 Damaged CRGO Core laminations as per MWSR-2023-24, Part-III, Sl No. 10(C), Page No. 139 Kg - 133 Scrap
6 Faulty B/H, OSR,OTI, Silica gel breather, WTI & Various types of valves. As per MWSR-2023-24, Part-III, Sl No. 10(B), Page No. 139 Kg - 14 30.09 Scrap
7 Released Empty Barrels. As per CSR-2023-24 Sl No. 614, Item No.69.19, Page No 33 of 81 Nos - 469 Good
Total amount of Part C
HUBLI ELECTRICITY SUPPLY COMPANY LIMITED
Calculation sheet for preparing estimate for repairing of faulty 5MVA 33/11KV Power Transformer-1 failed at 33/11 KV MUSS Akkialur.
Power transformer name plate details OLTC Details:
Make: Kirloskar Electric Company, Make: Crompton Greaves Ltd.,
Volts: 33KV/11KV Sl No: 42376511
Amps: 87.5A/262.5 A Rated Step Voltage: 412.5V
Untanking Mass: 7700 kgs Total Weight: 1270 Kg
Mass of Oil: 3800 kgs Volume of Oil: 750 ltrs
Volume of Oil: 4440 Ltrs Mass of Oil : 660 Kgs
Transport Mass: - Kgs
Total Mass: 16410 Kgs
Part-A HESCOM PORTION
Fresh Transformer Oil (Main tank + OLTC + Wastage 3%) Main Tank
Total appr. 5345 Ltrs ('----a)
Empty oil barrels (Good) 5345/209
Total appr. 25 Barrels
PART B- REPAIR WORK
1. Providing new winding- weight of core and Wdg 7.70 Tons ('----b)
2. Copper winding Weight including solid insulation ( 30% of b) ('----c)
Only copper winidng weight ( 80% of c) ('----d)
Only Solid insulation weight ( 20% of c)
For 1 Limb winding weight (d/3) appr. 615 Kg ('----e)
3.Providing solid insulation materials appr. 462 Kg =462-220=242
4. Providing re-insulation to HV/LV winding whenever necessary for total weight of winding except solid insulation- Two Limbs Wdg ( 2 X e) appr. 1230 kg
5. Providing CRGO Core (always Considered as 100Kg) 100
12. Filling of oil to the main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV values (--a) app. 5345
16. Loading of the repaired good power transformer with oil & all its accessories after testing. 16.41 MT
17. Loading of the faulty power transformer from the site. 11.95 MT
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