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Tender ID
Tender Value
₹42.7 L
EMD Value
₹42,670
Closing Date
26 Feb 2026, 11:00 pmClosed
Karnataka Power Transmission Corporation Limited
Raju H G
Replacement of 2x12.5MVA Power Transformers-1&2 by 2x20MVA Power Transformers at 66/11 KV Addihalli KPTCL Substation in Nagamangala Taluk, Mandya District on Partial Turn Key (PTK) basis including supply of all matching materials/ equipment(except 66/11kV Power Transformer and 11kV switchgear) and erection & including civil works of all materials/equipment, testing and commissioning.-Reserved for SC Category
KPTCL/2025-26/SS/WORK_INDENT3149
KPTCL/2025-26/SS/WORK_INDENT3149
Reserved
Sub-Station
Two Tender Document System(Two Cover)
KPTCL CEE Transmission Zone Office Mysuru
16 documents required · 16 mandatory
The Bidder should have carried out erection of atleast One(01) No. of 66kV voltage class or above voltage class Sub-Station/ Additional Transformer work OR atleast One(01) No. of 66kV voltage class or above voltage class Transformer Replacement/ Augmentation work on Total or Partial Turnkey Basis in the last 10 years preceding the date of bid submission and shall be completed and commissioned prior to the date of submission of the Bid OR The Bidder should have carried out erection of atleast Two (02) Nos of Agumentation/Replacement of 66kV or above voltage class Transformer works on Labour Contract Basis in the last 10 years preceding the date of bid submission and shall be completed and commissioned prior to the date of submission of the Bid OR Bidder who has executed Additional Transformer works or Replacement of Transformer works of private firms under the direct supervision of ESCOM/KPTCL officers are eligible to participate. Such Bidder should have carried out erection of not less than Two (02) Nos. of 66kV or above voltage class Additional Transformer Work on Total or Partial Turnkey Basis in the last 10 years preceding the date of bid submission and shall be completed and commissioned prior to the date of submission of the Bid
All Tenderers/Bidders shall provide the requested information accurately and in sufficient detail in Section-3 Qualification Information and shall upload all the documents/ credentials meeting the Qualifying Requirements as below
Achieved in at least one financial years in the last five years i.e. FY 2020-2021 to 2024-25 a minimum Average financial turnover of Rs 42.67 Lakhs. MAATUsually not less than the estimated cost for works costing upto Rs. 100Lakhs
The Bidder shall be registered firm as Sole Proprietorship/Partnership/Pvt Ltd Company etc
Valid Caste Certificate in support of reserved tender participation
Valid Karnataka Residential Certificate
valid Super grade Electrical Contractor License issued by the Government of Karnataka as on the date of opening of techno-commercial bid (refer 2.3 of ITT)
Tenderers who meet the above specified minimum qualifying criteria, will only be qualified, if their available tender capacity is more than the total tender value. The available tender capacity will be calculated as under:Assessed Available Tender Capacity: (AxNx5-B)Where A-Maximum value of works executed (KPTCL & Non-KPTCL) in any one year during the last five years (updated to FY 2024-2025) taking into account the completed as well as works in progress. N-Number of years prescribed for completion of the works for which tenders are invited.B-Value, at FY 2024-2025 price level of existing commitments (KPTCL & Non-KPTCL)and on-going works (KPTCL & Non-KPTCL) to be completed during the next 1(One)year.Note:(i)The statements showing the value of existing commitments and on-going works as well as the stipulated period of completion remaining for each of the works listed should be countersigned by the Employer in charge, not below the rank of an Executive Engineer or equivalent.(ii)A self-declaration is to be uploaded by the Tenderer stating that the information with regard to assessed available tender capacity Works
Even though the Tenderers meet the above criteria, they are subject to be disqualified if they have:- Made misleading or false representations in the forms, statements and attachments submitted in proof of the qualification requirements and/or- Record of poor performance such as abandoning the works, not properly completing the contract, inordinate delays in completion, litigation history, or financial failures etc. and/or- Participated in the previous Tender for the same work and had quoted unreasonably high Tender prices and could not furnish rational justification.
Bidder shall ensure that soft copies of Power of Attorney, Letter of Undertaking, No Deviation CERTIFICATE as revised in Annexure , Any other undertaking / agreement (if applicable) are to be uploaded besides submitting the Originals to the office of the Chief Engineer, Electy., Operation, KPTCL, Mysuru, after the last submission date as per 3.10(xviii) of ITT
Bidder shall ensure that soft copies of i. Letter of undertaking for Non performance ii. Letter of undertaking for Risk and Cost iii. Letter of undertaking for Litigation iv. Letter of undertaking to source the supply of equipment material from KPTCL approved Vendors only (if applicable) are uploaded besides submitting the Originals to the office of the Chief Engineer, Electy., Operation, KPTCL, Mysuru, after the last submission date as per 3.10(xviii) of ITT
Letter of undertaking to source the equipment/material for the work from the approved Vendors who meet the eligibility clauses regarding restrictions on procurement from a country which shares a land border with India (Annexure-XVI) ii. Letter of undertaking as per clause No.1.5 of Annexure-XVI iii. Letter of undertaking as per clause No.1.6 of Annexure-XVI (if applicable) are uploaded besides submitting the Originals to the office of the Chief Engineer, Electy., Operation, KPTCL, Mysuru, after the last submission date and on or before the date and time of opening of techno commercial bids.
ESI certificate
EPF Certificate
Shall upload valid GST Certificate and PAN copy
Liquid Assets and/or availability of credit facilities of not less than 30% of the Amount put to tender(Credit lines/ Letter of credit/ certificates from Banks for meeting the fund requirement etc.) (30% of APT)
₹1,070
₹42,670
12 Feb 2026
12 Feb 2026
2 Mar 2026
23 Feb 2026
19 Feb 2026
Replacement of 2x12.5MVA Power Transformers-1&2 by 2x20MVA Power Transformers at 66/11 KV Addihalli KPTCL Substation in Nagamangala Taluk, Mandya District on Partial Turn Key (PTK) basis
11kV Current Transformer (CT): 1200-800/1-1-1A (for Incomer/Bus Coupler of 25 kA SWG)INDOOR
11kV Neutral Current Transformer (NCT) 31.5kA, NCT of ratio 1200-800/1-1A for REFR Protection (of similar rating and ratio as that of Incomer of 11kV Switchgear) with terminal connector suitable for 2...
MOUNTING STRUCTURES :
i) 11 kV NCT Mounting Structure-(0.157 MT per structure) 02 nos.
ii) 11KV Cable Terminating Structure for transformer LV side (0.072 MT per structure)02nos
BUS BAR FORMATION :
PVC insulated Copper Control Cable with Lugs / Ferrules. 1.1 KV class. Size of cable.
a) 19 Core 2.5 Sq.mm.
b) 4 Core 6.0 Sq.mm.
c) 4 Core 2.5 Sq.mm.
d) 2 Core 6Sq.mm.
e) 2 Core 2.5 Sq.mm.
11KV, XLPE Insulatd UG Cable as per Technical Specification
Single core 1000 Sq. mm Aluminium cable ( 3 Runs of 1C x 1000 Sq. mm U.G Cable from 66/11 KV Transformer LV to 11KV bank SWG .
Cable Terminationkits suitable for following sizes as per techincal specification.
a) 1000 Sq./ mm Single Core Indoor
b) 1000 Sq./ mm Single Core Outdoor
30ABC relay-30. 110V DC, 4Nos, SR Contact, HR Flg, type EMR261x3
POWER TRANSFORMERS:
a) 20MVA, 66/11kV, 3-Ph, 50Hz, Core Type, 2 Winding Delta/Star transformer, vector group DYn11 with OLTC ONAN/ONAF with fan control cubicle, RTCC Panel, Numeric...
11kV Current Transformer (CT): 1200-800/1-1-1A (for Incomer/Bus Coupler of 25 kA SWG)INDOOR
11kV Neutral Current Transformer (NCT) 31.5kA, NCT of ratio 1200-800/1-1A for REFR Protection (of similar rating and ratio as that of Incomer of 11kV Switchgear) with terminal connector suitable for 2...
MOUNTING STRUCTURES :
i) 11 kV NCT Mounting Structure-(0.157 MT per structure) 02 nos.
ii) 11KV Cable Terminating Structure for transformer LV side (0.072 MT per structure)02nos
PVC insulated Copper Control Cable with Lugs / Ferrules. 1.1 KV class. Size of cable.
a) 19 Core 2.5 Sq.mm.
4 Core 6.0 Sq.mm.
4 Core 2.5 Sq.mm.
2 Core 2.5 Sq.mm.
11KV, XLPE Insulatd UG Cable as per Technical Specification
Single core 1000 Sq. mm Aluminium cable ( 3 Runs of 1C x 1000 Sq. mm U.G Cable from 66/11 KV Transformer LV to 11KV bank SWG .
Cable Terminationkits suitable for following sizes as per techincal specification.
a) 1000 Sq./ mm Single Core Indoor
b) 1000 Sq./ mm Single Core Outdoor
Earth mat formation:
Supplying, Laying and welding of M.S.Flats 50 x6 mm, applying ACB paint to welded portion and covering with earth.
Supplying and Grounding of Equipment with G.I.Flat 50x6mm and connecting Equipment to the earth mat/ground pit. Each point of earthing with all formation works like bending, twisting, drilling of ho...
Providing 25 mm dia M.S. Rod1.05 metre long earthmat spikesincluding heating, bending top 50 mm overlap flattening andmaking spike edge at one enddriving into the earth below theground level and weldi...
Releasing and re errection of existing 1000sqmm UG cables (During laying of new cables if required)
Dismantling of 12.5 MVA, 66/11 kV, Transformer & parts like Radiator , bushings , draining of oil from transformer etc., as per direction of site Engineer(37.065+28.25 MT)
Moving of Transformer from the plinth to the loading point as per direction of site engineer. 65.315 MTx 50mtrsx1no=3266
Decommissioning of 11 KV NCT (800-400/1-1-1A) including releasing earth connctions and secondary connections and moving from point of releasing to point of loading.
Decommissioning of 800-400/1-1-1A Bank -1 CTs including releasing earth connctions and secondary connections and moving from point of releasing to point of loading.
Decommissioning of cable terminating structure for LV side of the Transformer
Decommissioning of NCT structure of the Transformers
POWER TRANSFORMERS:
a) 20MVA, 66/11kV, 3-Ph, 50Hz, Core Type, 2 Winding Delta/Star transformer, vector group DYn11 with OLTC ONAN/ONAF with fan control cubicle, RTCC Panel, Numeric...
(for Incomer/Bus Coupler of 25 kA SWG) INDOOR
11kV Class, 31.5kA, NCT of ratio 1200-800/1-1-1A for REFR Protection (of similar rating and ratio as that of Incomer of 11kV Switchgear) with terminal connector suitable for 2 Nos. of 75mmx6 mm Copper...
Earth work excavation by manual means for drains, canals, waste weir, draft, approach channels, key trenches, foundation of Buildings & bridges and such simillar works in all kinds of soils, as per dr...
Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes...
Providing and laying in position Cement Concrete for all Sub structures of building, Irrigation works, Sub structure works of bridges, Drain works & other parallel works from 0.50m to 3.50 m height. T...
Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations and other similar works etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by r...
Supplying, fitting and placing TMT FE 550 / 550D Steel Reinforcement including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, laping/welding joints, tyin...
Providing and fixing Structural Steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat...
Jelly Spreading (20-25 mm): Supplying and providing jelly in the station yard of uniform thickness of 100 mm including the cost of materials, labour charges, required tools and plants etc., complete. ...
Providing and laying Reinforced Cement Concrete pipe light duty NP2 for culverts, roadway utilities& crossingsas per IS 458:2003 in Single row including pointing ends and fixing collars with cement mo...
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Tender Docs Mys Tz- Aug Addihalli 2x20MVA CALL-2.pdf
Tender Document • 1.30 MB
NIT Addihalli Aug 2x20MVA CALL-2.pdf
Instructions to Tenderers • 0.20 MB
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