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Tender Value
₹2.4 Cr
EMD Value
₹3.6 L
Closing Date
18 Sept 2026, 4:30 pm
Chamundeshwari Electricity Supply Corporation Limited
DGM Procurement
Repair and Reconditioning of Conventional, Star Rated type 25/63/100kVA 11 KV class Aluminium wound Distribution Transformers and Conversion of 25/63/100kVA sealed/CSP type Transformers to conventional type transformerunder buy back basis in Hassan division
CESCOM/2026-27/SE0276
CESCOM/2026-27/SE0276
Open
Two Tender Document System(Two Cover)
CESCOM Superintending Engineer Procurement Corporate Office Mysuru
14 documents required · 13 mandatory · 1 optional
c)The Bidder should have repaired minimum of 80% of the transformers offered for repair from the concerned Subdivision/division in CESC jurisdiction of different capacity 11 kV class Conventional, & Star Rated type Distribution Transformers during any one year of preceding 3 years i.e.2023-24, 2024-25 & 2025-26. A performance Certificate to this effect shall be furnished by concerned CESC competent authority not below the rank of Executive Engineer of O & M division and DWA shall be uploaded in this regard
i)The failure rate of the transformers repaired during any one year of preceding 03 years 2023-24, 2024-25 & 2025-26 by the bidder within the guarantee period should be less than 6% (six percentage) in that year. The certified letter from the officer not below the rank of Executive Engineer of concerned CESC, O&M division in which transformers were repaired by the bidder shall be uploaded
k)Annual financial turnover of any one year out of last three years of the firm/ individual shall not be less than Fifty percent (50%) of the amount put to tender. In this context the bidder shall furnish copy of the audited financial report for the year 2023-24, 2024-25 & 2025-26 duly certified by the Chartered Accountant
l)The bidder should have liquid assets and/ or availability of credit facilities (bank balance/Deposit/Overdraft facility/credit lines/letters of credit / certificates from banks) not less than 25% of the amount put to tender for meeting the fund requirement. The liquid asset is considered with respect to the latest audited balance sheet and credit lines / letters of credit / certificates from bank which shall have valid currency.The conditional liquid assets facilities will not be accepted
a)The Bidders shall have adequate knowledge of carrying out repairs of 11kV/433V class Conventional, and Star Rated type distribution Transformers of 25/63/100 kVA capacity (self-declaration certificate should be submitted)
b)Those bidders who have already established Two or more than Two transformer repair centers (25kVA, 63kVA & 100kVA) in the jurisdiction of CESC having the remaining award period more than six months from the date of floating of this tender are not eligible (self-declaration certificate should be submitted). If the bidder fails in such cases, Bid security (EMD) so deposited will be liable for forfeiture
d)The bidder shall possess the registration of EPF, ESI, GST, Pollution control Board certificate (KSPCB), labour license or equivalent certificate and PAN card. The copy of original registration documents and the evidence for statutory payments made for EPFs, GST statements shall be uploaded
e)The bidder shall possess/provide all testing equipment and tools required for repair of Transformers as per Annexure 2. CESC reserves its right to inspect this equipment. (Self- declaration copy to be uploaded)
f)The bidder should submit the undertaking stating that, if he becomes successful/L1 bidder, he will establish the repair center within 30 days from the date of issue of DWA and submit all the necessary statutory clearance certificates/Authorization letters from Concerned authority etc. for the newly established place, within 45 days from the date of issuance of DWA. Failing to which CESC shall cancel the DWA
g)The bidder should furnish the details of at least one person employed with minimum qualification of Diploma in Electrical Engineering
h)The bidder should have sufficient infrastructure facility for repair of at least 150 Transformers per month. In support of the same, he shall produce documentary evidence (Self- declaration copy to be uploaded)
j)The bidder should not have been Black-Listed by any Government Department/Power Utility in Karnataka or any other state. The bidder should submit a self-declaration certificate in this regard
₹5,000
₹3.6 L
4 Sept 2026
4 Sept 2026
19 Sept 2026
9 Sept 2026
9 Sept 2026
For 25 kVA Transformer
Quantity
Winding Materials for all the three coils
Assembly Materials
Tanking Materials
Other Charges
Labour Charges
GRAND TOTAL(X+XI)
Distribution Transformers Repair Estimate
Coventional
Quantity of new oil capacity wise in Ltr (considering Avearge Quantity of oil of different manufacturers in ltr)
60% of Reclaimed transformer Oil cost (Exclusive of GST as per SR 2025-26) per litre 47.947 Rs
Buy back Items
2) The prices shall be firm throught the period of contract. No Price variation shall be applicable.
Distribution Transformers Repair Awarding Estimate for y %
Coventional
Quantity of new oil capacity wise in Ltr (considering Avearge Quantity of oil of different manufacturers in litre)
60% of Reclaimed transformer Oil cost (Exclusive of GST as per SR 2025-26) per litre 47.947 Rs
Buy back Items
2) The prices shall be firm throught the period of contract. No Price variation shall be applicable.
Hassan-Transformers Failure Details for calling Tenders from 01st October 2024 to 31-September 2025
Conventional
Star Rated (3/4)
Total
Amount Put to tender as per CESC 2025-26 SR rates Hassan
TR type & capacity
Conventional Type
Total Conventional
star rated 25
Total star rated
Approximately per year Excl GST
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
(A Government of Karnataka Undertaking)
VOLUME-II Section-I Techno commercial schedule
Tender Enquiry No. CESCOM/2026-27/SE0276
“For Repair and Reconditioning of Conventional, 4 & 5 Star Rated type 25/ 63/ 100KVA 11 KV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis ”
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Tender Enquiry No. CESCOM/2026-27/SE0276
“For Repair and Reconditioning of Conventional, 4 & 5 Star Rated type 25/ 63/ 100KVA 11 KV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis ”
Annexure-A
ASSESSMENT OF FINANCIAL CAPABILITY OF FIRMS
(To be submitted by the bidder along with the bid)
VOLUME-II Section-I Techno commercial schedule
Name of the firm
Annual turnover for the last four years
Liquid Assets
Place:
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
(To be stamped in accordance with stamp Act)
Techno-commercial Schedule
To, GENERAL MANAGER CESC CORPORATE OFFICE, MYSORE
ANNEXURE-B
Tender Enquiry No. CESCOM/2026-27/SE0276
“For Repair and Reconditioning of Conventional, 4 & 5 Star Rated type 25/ 63/ 100KVA 11 KV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis ”
VOLUME-II Section-I Techno commercial schedule
Contract Performance Guarantee
Bid Secutiry(EMD)
Period of contract
Bid Validity
No of repair centers in CESC Jurisdiction
Testing of Transformer
Prices
Taxes & Levies
Payment Terms
Warranty/Guarantee for repaired transformer
Penalty for delay in supply of repair transformers
Delivery /Completion Schedule
Termination of contract
Tools & Plants
Place:
We confirm that any deviation to the above clauses at Sl No. 1 to 14 anywhere in our bid proposal, implicit or explicit shall stand unconditionally withdrawn, without any cost implication whatsoever to CESC.
Place:
CHAMUNDESWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Annexure-C
“For Repair and Reconditioning of Conventional, 4 & 5 Star Rated type 25/ 63/ 100KVA 11 KV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis ”
Tender Enquiry No. CESCOM/2026-27/SE0276
Bid Form
Please fill only in blue coloured cells
Bidders Name & Address:
VOLUME-II Section-I Techno commercial schedule
Having examined and understood the General Conditions of the Contract and the Technical Specifications in the Bidding documents issued under Indent No: CESCOM/2026-27/SE0276 including any addendum /amendments, the receipt of which is hereby duly acknowledged, we the undersigned, hereby submit the fully completed Bid documents in the E-procurement portal which includes the following:
a) Qualifying requirements,
b) Technical & commercial details, and
c) Price Bids, for the said works
We hereby agree to execute the Contract in conformity with the Specifications & Conditions of Contract enumerated in the Bidding Documents, for the sum stated & quoted in the Bid or such other sums as may be ascertained in accordance with the Schedule of Prices attached herewith & made part of the Bid.
We undertake, if our Bid is accepted, to execute the contract agreement with in the stipulated time of 20 days.
In case of acceptance of our Bid, We also undertake to carry out supply, assembly & execution of works and complete the same within the stipulated time as specified in the Bid documents and further we will obtain the Guarantee from Bank/ Demand Draft as per tender document
We note that the prices offered are variable as per tender documents.
We agree to keep this Bid valid for a period of 180 days from the date of Bid opening & it shall remain bound upon us & may be accepted at any time before expiration of that period.
We have enclosed E.M.D.payment details as per relevant clause of bidding document.
Mode of payment
Until a formal contract is prepared & executed, this Bid together with written acceptance by CESC by notification of Award shall constitute a binding contract.
We understand that CESC is not bound to accept the lowest or any Bid that may receive.
Dated this
Signature
Name in Block Letters
Duly authorized to sign Bid for and on behalf of
Witness:
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Annexure D
Tender Enquiry No. CESCOM/2026-27/SE0276
“For Repair and Reconditioning of Conventional, 4 & 5 Star Rated type 25/ 63/ 100KVA 11 KV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis ”
No deviation certificate ( the bidder shall upload this certificate)
DECLARATION BY THE BIDDER
With reference to the above enquiry number for the work of “Repair and Reconditioning of Conventional, 3 & 4 Star Rated type 25/ 63/ 100KVA 11 KV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis” we confirm that we have read the bid conditions and stipulations and all the clauses are acceptable to us and we have not taken any deviations whatsoever. Any deviations mentioned anywhere in the document shall be ignored.
Name of the Bidder:
Place:
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
(A Government of Karnataka Undertaking)
VOLUME-I Section-IV Annexures
Indent No. CESC/GM(P)/ Date :
“For Repair and Reconditioning of Conventional, Star Rated type 25/ 63/ 100kVA 11 kV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis”
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Indent No. CESC/GM(P)/ Date :
“For Repair and Reconditioning of Conventional, Star Rated type 25/ 63/ 100kVA 11 kV class Aluminium wound Distribution Transformers and Conversion of sealed/CSP type Transformers to conventional type under buy back basis”
Annexure-II
Details of T&P materials & test equipments to be available with the Tenderer
Name of the Firm & Address
a) Registration /Licence No. & date
b) Bank Guarantee Amount.
No.& date
CC TV cameras
Electric oven
Coil winding Machine for HV & LV
Oil storage capacity with details
Oil filter set
a) Machine capacity
b) Make/model
Mobile crane /gantry
Chain pulley block
Weighing scale/Machine
Air Compresser
Drilling Machine(power)
Welding Machine
Oil testing kit
TOOLS:
a) Spanner set & Measuring Tape
b) Micro meter
c) Vernier Calliperse
d) Screw Gauge
e) Standard wire Gauge
f) Grinder
g) Spray painting M/C with gun
h) Shearing M/C (Hand/power)
I) Bench Vice
j) Testing bench with Meters,controls & 3 phase Dimmer stat etc .,
Testing Equipments
a) Megger i) 5 KV
b) Tong tester
c) Volt meter
d) Ammeter
e) Wattmeter
f) AVO meter (millimeter)
g) Dimmer stat
h) Phase sequence meter
I) High voltage Testing kits (28Kv & 3kv)
j) Induced voltage(800V, 100c/s)
k) Turns Ratio meter
l) D.C Resistance meter
Place :
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LTD
Transformer Repair status Register
Annexure- III
Lot No.:
P.O.No.with date:
W.O.No. with date:
Date of issue of Transformer Oil:
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Stage Inspection Register
Annexure-IV
P.O.No.& Date :
Date of Stage inspection : From ____________ To________________
Hieight
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Annexure V
Raw Materials Inspection Register
By Repairs
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Test Result Register
Annexure -VI
Name of the Repairer:
P.O.No. & date:
Capacity in kVA
Apply 28Kv to (1u,1v,1w)
Current HV in Amps
CHAMUNDESHWARI ELECTRICITY SUPPLY CORPORATION LIMITED
Annexure -VII
A) Specification for Distribution Transformer Repair ( 100kVA, 11kV/433 volts, Vector Group: Dyn-11)
Height in mm
Note: Any Deviation should be approved by MT
B)Specification for Distribution Transformer repair ( 63 kVA , 11kV/433 volts, Vector Group :Dyn-11)
Height in mm
Note: Any Deviation should be approved by MT
C)specification For Distribution Transformer repair ( 25KVA, 11kV/433 volts, Vector Group :Dyn-11)
Core Window dimension
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8 annexure-1 cost data sheet Hassan.xlsx
Others - cost data sheet • 0.02 MB
4 BOM-TC Details-Hassan.xlsx
Commercial Information / Worksheet • 0.02 MB
7 techno-comml anx_Hassan.xls
Techno-Commercial Worksheet • 0.15 MB
6 technical specification Hassan.doc
Technical Information / Worksheet • 0.06 MB
3 gcc dtc repair Hassan.doc
Others - GCC • 0.14 MB
1 ifb dtc repair Hassan.doc
Tender Document • 0.10 MB
2 itb dtc repair- Hassan.doc
Instructions to Tenderers • 0.66 MB
Credit facility certificate-annexure.doc
Others - Bank certificate • 0.06 MB
5 annexures_trc_Hassan.xls
Others - Annexures • 0.18 MB
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