Bid Publish Date
23-Jun-2026, 7:50 pm
Bid End Date
14-Jul-2026, 3:00 pm
Value
₹87,26,57,500
Location
Progress
Quantity
28
Bid Type
Two Packet Bid
Organisation: Uttar Pradesh Power Corporation Limited (UPPCL). The procurement seeks an Oil-immersed power transformer (RATING category) for installation in Lucknow, Uttar Pradesh, with an estimated value of ₹872,657,492. Scope includes comprehensive construction components, cooling, oil preservation, tank, bushings for HV/LV, and extensive add-on items. Bidder must consider onsite unloading and installation as part of the contract; additional optional quantity up to 25% may be ordered at contracted rates. The tender emphasizes mandatory testing, drawings, and certified reports; provision for stage inspections exists. Unambiguous terms drive compliance with UPPCL’s energy infrastructure needs.
EMD: not explicitly listed; submit as per terms if required by bidder ATC
Delivery: option to increase/decrease quantity by 25% at contract; delivery window adjustments per clause
Inspection: stage inspections and mandatory test reports; drawings and GTP to be furnished on demand
Warranty/Support: terms do not specify warranty; ensure compliance with add-on items and testing requirements
Documentation: mandatory submission of GST, PAN, experience, financials, OEM authorizations, and test reports
Not explicitly stated; terms allow for option quantity changes and delivery extensions; bidders should align with contract terms and negotiate payment terms per buyerATC.
Delivery period may be increased proportionally with additional quantity; minimum extension 30 days; delivery starts after original delivery order date.
Not specified; bidders should assume standard LD as per buyer-specified terms and ATC clauses.
Experience in supplying oil-immersed power transformers of similar MVA rating
Demonstrated capability for on-site unloading and installation
Financial stability evidenced by recent audited statements
Tender Category
Goods
Bid To RA
No
Bid To RA Enabled
No
Item Category
Power Transformer, Oil immersed type (Q3)
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Main Document
BOQ
CATALOG Specification
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GEM_GENERAL_TERMS_AND_CONDITIONS
E-municipalities - Eservices To Citizens And Employees Of Urban Local Bodies Of Uttar Pradesh
GHAZIPUR, UTTAR PRADESH
Thdc India Limited
CHAMOLI, UTTARAKHAND
Western Coalfields Limited
CHANDRAPUR, MAHARASHTRA
Bharat Coking Coal Limited
DHANBAD, JHARKHAND
Indian Army
KUPWARA, JAMMU & KASHMIR
Tender Results
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| Category | Specification | Requirement |
|---|---|---|
| RATING | Rated Voltage - HV (in KV) | 11, 22, 33, 66, 132, 220, 400, 765, 3.3, 6.6 |
| RATING | Rated Voltage - LV (in kV) | 0.23, 0.415, 6.6, 11, 33, 66, 132, 220, 3.3 |
| RATING | Maximum system voltage - HV (in kV) | 12, 24, 36, 72.5, 145, 245, 420, 800, 3.6, 7.2 |
| RATING | Maximum system voltage - LV (in kV) | 0.25, 0.46, 7.2, 12, 36, 72.5, 145, 245 |
| RATING | Rated power (in MVA) | 40, 5, 6.3, 8, 10, 12.5, 16, 20, 32, 6.5, 30, 30.4, 33.3, 42, 50, 63, 66.7, 80, 100, 150, 160, 166.7, 200, 250, 315, 500, 1, 3.15 |
| RATING | No. of Phase | 1, 3, 3 Ph. 2 Winding |
| GENERIC | Conformity of the specification | IS:2026 (Part 1) : 2011 latest, IS:2026 (Part 1) : 2011 latest and as per Annexure - A attached for Coal India, as per IEC:60076:2011 latest |
| GENERIC | Designed for | Outdoor |
| GENERIC | Installation, Testing and Demonstration | Yes, No, Yes. Including civil works related to installation and commissioning of transformer |
| INSULATION LEVEL | Insulation Levels, Dielectric Tests and External Clearances in Air | as per IS: 2026 Part 3: 2009 latest, as per IEC:60076:2011 latest |
| INSULATION LEVEL | Standard rated short duration power-frequency withstand voltage, r.m.s value (in kV) | 10, 20, 28, 50, 70, 140, 150, 275 (for 132 KV), 70 (for 33 KV), 38, 95, 250, 450, 550, 650, 750, 850, 950, 1050, 1175, 1300, 1425, 1550, 1675, 1800, 1950, 2100, 230, 275, 325, 395, 460, 510, 570, 630 |
| INSULATION LEVEL | Standard rated lightning impulse withstand voltage (in kV, peak) | 20, 40, 60, 75, 95, 125, 145, 170, 325, 650 (for 132 KV), 170 (for 33 KV), 250, 450, 550, 650, 750, 850, 950, 1050, 1175, 1300, 1425, 1550, 1675, 1800, 1950, 2100 |
| WINDING | Winding insulation | Class A |
| WINDING | Connection symbol | Dyn 11, Star / Star (YNyno), Not applicable, HV- Star, Delta LV- star, Delta |
| WINDING | Terminals of all windings | Out of the tank through bushings for external connections, With cable box |
| WINDING | Material of barrier insulation including spacers | High Density Press board |
| TAP CHANGER | Type of Tap Changer | Off Circuit, On Load, NA |
| TAP CHANGER | Winding tapped at | HV, NA, LV |
| TAP CHANGER | No. of tappings (in Nos.) | 17, 9, NA, 16 (Excluding normal), 5 |
| TAP CHANGER | Range of tappings | +10% to -10% in equal seps of 1.25%, +5% to-15% in equal seps of 1.25%, +5% to-5% in equal seps of 7.5%, NA, Tap range : - 15% to + 5% Rate of steps : 1.25 %of 132kv, (‒) 9 % to (+) 3% |
| CONSTRUCTION | Material of core | CRGO (ColdRolled GrainOriented steel), CRGO silicon alloy steel |
| CONSTRUCTION | The maximum flux density in any part of the cores and yoke at normal voltage and frequency | < 1.5 Tesla, < 1.7 Tesla, < 1.9 Tesla, < 1.6 Tesla |
| CONSTRUCTION | Type of cooling | ONAN, ONAN cooling 80% for 16 MVA,, ONAF cooling 100% for 20 MVA, ONAN cooling 80% for 32 MVA,, ONAF cooling 100% for 40 MVA, ONAF, OFAF, OFDF, OFWF |
| CONSTRUCTION | Transformer filled with oil | Yes, No |
| CONSTRUCTION | Method of system earthing | LV Winding: Solidly earthed, HV connections : Star with neutral solidly earthed, LV connections : Star with neutral solidly earthed, Neutral of HV,LV solidly earthed |
| CONSTRUCTION | Type of oil preservation system | Freely breathing type, Conservator type, Diaphragm type, Inert Gas Pressure type, Sealed tank type |
| CONSTRUCTION | Temperature rise limit - Top oil measured by thermometer | < 40 deg. C, < 45 deg. C, < 50 deg. C |
| CONSTRUCTION | Temperature rise limit - Winding temperature by resistance | < 45 deg. C, < 55 deg. C |
| CONSTRUCTION | Percentage of impedance voltage on normal tap and MVA base at 75 deg. C corresponding to HV/ LV rating (in %) | 6.25, 7.15, 8.35, 10, 12.5, 13, 14, 15 |
| CONSTRUCTION | No Load Losses (Fixed Loss) , Maximum (in KW) | 3, 4, 4.6, 5.5, 7, 7.5, 16, 25, 9, 10, 12, 14, 18, 30, 35, 45, 60, 70, 75, 90 |
| CONSTRUCTION | Load losses at 75°C, Maximum ( in KW) | 16, 23, 36, 40, 50, 65, 130, 185, 80, 90, 95, 110, 125, 140, 200, 245, 260, 400, 440, 450, 500 |
| CONSTRUCTION | Minium Creppage Distance (in mm) | HV-900 mm, LV-300 mm, 25 mm per KV, 31 mm per KV, 35 mm per KV |
| TRANFORMER TANK | Transformer tank construction shall conform in all respect to | Clause 15 of IS 1180(Part1):2014., as per Annexure-A attached for Coal India, Bell shaped, Conventional |
| TRANFORMER TANK | Transformer tank top cover | Detachable with bolted flanged gasket joint, as per Annexure-A attached for Coal India, Bolted, Welded |
| TRANFORMER TANK | The surface of the cover | Suitable sloped, as per Annexure-A attached for Coal India, Flat |
| TRANFORMER TANK | The transformer tank | supported on steel structure, as per Annexure-A attached for Coal India |
| ADD ON ITEMS | Oil conservator tank (in Nos.) | 1, 0 |
| ADD ON ITEMS | Buchholz Relay | 1, 0 |
| ADD ON ITEMS | Oil Temperature Indicator (OTI) (in Nos.) | 1, 0, 1 No. For Local & remote winding with contacts |
| ADD ON ITEMS | Winding Temperature indicator (WTI) (in Nos.) | 1, 0, 2 Nos. Per phase, 1 No. For Local & remote winding with contacts |
| ADD ON ITEMS | Pressure Relief Device (in Nos.) | 1, 0, 2, 3 |
| ADD ON ITEMS | Oil Level Indicator (in Nos.) | 1, 0 |
| ADD ON ITEMS | Silica Gel Breather with Silica Gel (in Nos.) | 1, 0, 2, 3 |
| ADD ON ITEMS | Drain Valve on transformer tank (in Nos.) | 1, 0, 2 |
| ADD ON ITEMS | Filter Valve on transformer tank (in Nos.) | 1, 2, 0 |
| ADD ON ITEMS | Oil sampling valve on transformer tank (in Nos.) | 1, 0, 2 |
| ADD ON ITEMS | Air release plug (in Nos.) | 150 mm dia, 1 No., NA, 15 mm NB 1 no. |
| ADD ON ITEMS | Lifting eyes or lugs for the top cover, core and coils and for the complete transformer | Yes, No |
| ADD ON ITEMS | Tank earthing terminals with associated nuts and bolts for connections to grounding strip | 2 sets, 0 |
| ADD ON ITEMS | HV Bushings according to highest system voltage (in Nos.) | 2 (Porcelain), 3 (Porcelain), 0, 1 No. Porcelain with metal parts and gaskets |
| ADD ON ITEMS | LV Bushings according to highest system voltage (in Nos.) | 2 (Porcelain), 3 (Porcelain), 0, 1 No. Porcelain with metal parts and gaskets |
| ADD ON ITEMS | Terminal arrangement: for HV/LV bushings with arcing horns | Yes, No |
| ADD ON ITEMS | Suitable terminal connector for HV & LV terminal for holding Conductor | Yes. Suitable for Panther type, No |
| ADD ON ITEMS | Bus Bars | Copper at LV side, No |
| ADD ON ITEMS | Cable termination box | 1 No. at LV side, No, 1 No. at HV side and 1 No. at LV side |
| ADD ON ITEMS | Arrangement for Auxilary supply voltage for | For Alarm, For Relays, NA |
| ADD ON ITEMS | Marshalling box with required glands, locks, glass door, terminal Board, heater with switch, illumination lamp with switch etc to accommodate temperature indicators terminal blocks etc | 1, 0 |
| ADD ON ITEMS | Ingress protection for Marshalling Box | IP 55, IP 54 |
| ADD ON ITEMS | Padlocks and locking key arrangements for | Mrashalling box, Valves, NA |
| ADD ON ITEMS | Foundation bolts for wheel locking devices of Transformer | Yes, No |
| ADD ON ITEMS | Bi-metallic terminal connector/ clamp/ washers suitable for fixing to bushing terminals | Yes, No |
| ADD ON ITEMS | Other requrements | Air release plug, 1 No., Rating Plate, NA, 1 No. Neutral Bushing, Metal parts for Bushings, Gaskets for Bushings, Magnetic oil level gauge: 1 No., Magnetic Oi Level Gauge with Low oil level alarm contacts, 1 No. Cooler fan with motor, HV & LV neutral : brought out on separate bushing, 1 No. Dial type thermometer, Thermometer: Maximum reading pointer, Thermometer: adjustable, Thermometer: Poterntial free contacts for alarm and trip for top oil temperature ., Additional pockets for mercury-in-glass thermo meter for measuring oil and winding temperature, Explosion/ relief vent with double diaphragm equalizer connection, Diagram plates, Terminal marking plate, Identification marking plate, Approved Pressure Relief Device for Rapid Release of Pressure, Under carriage with jacking pads, Under carriage with hauling holes / hook, Supervisory alarm for oil temperature indicator, Supervisorytrip contacts for oil temperature indicator, Supervisory alarm for gas operated double float relay, Supervisory trip contacts for gas operated double float relay, Supervisory alarm contacts for oil level indicator, Inspection cover, Oil filling hole and cap, Thermometer for Oil Temp Indicator 150mm, Dial Type. |
| ADD ON ITEMS | Agreed for unloading of transformer at site | Yes, No |
| SPECIAL TEST | Agreed to furnish special test reports as per | Cl.10.1.3 of IS:2026 (Part 1) latest, NA |
| SPECIAL TEST | Test reports for dielectric special tests | Yes, No |
| SPECIAL TEST | Test report for determination of capacitances winding to earth, and between windings | Yes, No |
| SPECIAL TEST | Test report for determination of transient voltage transfer characteristics | Yes, No |
| SPECIAL TEST | Test reports for measurement of zero sequence impedance (s) on three phase transformers | Yes, No |
| SPECIAL TEST | Test report for determination of sound levels | Yes, No |
| SPECIAL TEST | Test report for measurement of harmonics of the no load current | Yes, No, Yes. Including Contact Resistance Test (<2 miliohm) |
| SPECIAL TEST | Test report for measurement of the power taken by the fan and oil pump motors | Yes, No, Yes. Including Measurement of Impedance voltage at highest rated and lowest voltage taps |
| SPECIAL TEST | Test report for measurement of insulation resistance to earth of the windings and or measurement of dissipation factor of the insulation system capacitances | Yes, No, Yes. Including Ratio and high voltage magnetisation current test. |
| CERTIFICATIONS | Agreed for stage inspection as and when required by buyer / consingee | Yes as per buyer requirements, No |
| CERTIFICATIONS | Agreed to furnish Guaranteed Technical Particulars (GTP) and complete drawings of Power Transformer as and when required by buyer / consignee | Yes, No |
| CERTIFICATIONS | Agreed to furnish routine test reports to buyer / consingee on demand | as per Cl.10.1.1 of IS:2026 (Part 1) latest, No, as per Annexure-A attached for Coal India |
| CERTIFICATIONS | Availability of Type test report from Central Government/NABL/ILAC accridiated laoratory to prove conformity of the specification | Yes, No, as per Annexure-A attached for Coal India |
| CERTIFICATIONS | Agreed to furnish routine and type tet reports for porcelain bushings | Yes, No |
Discover companies most likely to bid on this tender
GST registration certificate
Permanent Account Number (PAN) card
Experience certificates for similar oil-immersed transformers
Financial statements / turnover evidence
EMD submission proof (as applicable)
Technical bid documents and compliance certificates
OEM authorization / dealer certificate (where applicable)
Guaranteed Technical Particulars (GTP) and complete drawings
Routine and type test reports from NABL/ILAC-accredited labs
Key insights about UTTAR PRADESH tender market
Bidders must submit GST registration, PAN, experience certificates, financial statements, EMD proof, OEM authorizations, and the GTP/drawings. Ensure NABL/ILAC-type test reports are available and comply with IS/IEC standards for dielectric and impulse tests. Prepare on-site unloading plans and delivery timelines per ATC.
Required documents include GST certificate, PAN card, experience certificates for similar transformers, financial statements, EMD documentation, OEM authorization, technical bid, GTP, routine/type test reports, and lab test certificates from NABL/ILAC-accredited labs.
The bid requires standard dielectric tests, short-duration power-frequency withstand, lightning impulse withstand, and measurement of capacitances, transient voltage transfer, zero-sequence impedance, and sound/harmonics tests; laboratory reports must be NABL/ILAC-accredited.
The purchaser reserves the right to increase or decrease quantity up to 25% of bid quantity at contract formation and during currency, with delivery time extended proportionally, minimum 30 days.
Add-ons include oil conservator, Buchholz relay, OTI and WTI, Relief Device, Oil Level Indicator, Silica Gel Breather, Drain/Filter Valves, Marshalling box with glands, earthing/bolts, HV/LV bushings, and terminal arrangement with arcing horns.
Buyer requires Guaranteed Technical Particulars (GTP), complete drawings, and routine/type test reports; stage inspections may be called as needed by the buyer, with type-test reports from approved labs acceptable for conformity.
Prepare recent audited financial statements, balance sheets, profit & loss statements, cash flow, and turnover proof; ensure financial strength aligns with the ₹872,657,492 estimated value and project cash flow requirements.
Delivery starts from the last date of the original delivery order; extended delivery time applies if quantity changes under the option clause, calculated as (additional/original) × original delivery period with a minimum of 30 days.
Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited (uprvunl) Lucknow
📍 SONBHADRA, UTTAR PRADESH
N/a
Madhya Pradesh Paschim Kshetra Vidyut Vitran Company Ltd
📍 INDORE, MADHYA PRADESH
JVVNL - CMD
📍 JAIPUR, RAJASTHAN
📍 Maharashtra
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Main Document
BOQ
CATALOG Specification
OTHER
OTHER
ATC
GEM_GENERAL_TERMS_AND_CONDITIONS