Bid Publish Date
22-Jun-2026, 6:10 pm
Bid End Date
02-Jul-2026, 7:00 pm
EMD
₹20,000
Value
₹12,89,860
Location
Progress
Quantity
47
Bid Type
Two Packet Bid
Organization: Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited (uprvunl), Lucknow. Product: Oil-immersed power transformer (Q3 category). Location: SONBHADRA, UTTAR PRADESH - 231205. Estimated value: ₹1,289,860 with EMD ₹20,000. Scope includes installation, testing, and demonstration per project requirements. Buyer mandates comprehensive add-on items (bushings, marshalling box, oil conservator, Buchholz relay, and monitoring instruments) and extensive special tests. Emphasis on compliance with insulation, winding, and tank construction standards.
IG valve: The tender expects a high-voltage/low-voltage transformer with three-phase configuration and oil-filled construction. Key requirements center on core material, insulation class, cooling type, winding insulation, and terminal arrangements. Add-on items include oil valves, temperature indicators (OTI, WTI), silica gel breather, drain valves, bearing overall tank construction with earthing terminals. The buyer reserves rights for stage inspections, GTN drawings, and routine/type test reports.
Product/service: oil-immersed power transformer, 3-phase
Estimated value: ₹1,289,860; EMD: ₹20,000
Tests: dielectric tests, capacitance earth-to-windings, transient voltage transfer, sound level, power consumption of fans/pumps
Certifications: GTP, routine/test reports, NABL/ILAC lab-based type tests
Add-on items: Buchholz relay, OTI/WTI, silica gel breather, drain valve, oil level indicator, marshalling box, tank earthing, HV/LV bushings
Quantity variation up to 25% with contract at contracted rates; extended delivery rules apply
EMD ₹20,000; payment terms to be clarified; GST/PAN and financials required
Stage inspections and mandatory test reports; GTP and drawings to be furnished on request
Details not fully specified; bidders should expect standard government terms and confirm with purchaser prior to submission
Delivery period commences from the last date of original delivery order; extension rules apply with minimum 30 days
Not explicitly stated; applicable LD/penalties to be confirmed in contract; option clause allows quantity-based adjustments
Tender Category
Goods
Bid To RA
No
Bid To RA Enabled
No
Item Category
Power Transformer, Oil immersed type (Q3)
End-to-end support — bid preparation, GeM registration, document filing & compliance by industry experts.
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Main Document
CATALOG Specification
ATC
GEM_GENERAL_TERMS_AND_CONDITIONS
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Tender Results
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| Category | Specification | Requirement |
|---|---|---|
| RATING | Rated Voltage - HV (in KV) | 11 |
| RATING | Rated Voltage - LV (in kV) | 0.415 |
| RATING | Maximum system voltage - HV (in kV) | 12 |
| RATING | Maximum system voltage - LV (in kV) | 0.25 |
| RATING | Rated power (in MVA) | 5 |
| RATING | No. of Phase | 1 |
| GENERIC | Conformity of the specification | as per IEC:60076:2011 latest |
| GENERIC | Designed for | Outdoor |
| GENERIC | Installation, Testing and Demonstration | No |
| INSULATION LEVEL | Insulation Levels, Dielectric Tests and External Clearances in Air | as per IEC:60076:2011 latest |
| INSULATION LEVEL | Standard rated short duration power-frequency withstand voltage, r.m.s value (in kV) | 70 (for 33 KV) |
| INSULATION LEVEL | Standard rated lightning impulse withstand voltage (in kV, peak) | 170 (for 33 KV) |
| WINDING | Winding insulation | Class A |
| WINDING | Connection symbol | Not applicable |
| WINDING | Terminals of all windings | With cable box |
| WINDING | Material of barrier insulation including spacers | High Density Press board |
| TAP CHANGER | Type of Tap Changer | NA |
| TAP CHANGER | Winding tapped at | NA |
| TAP CHANGER | No. of tappings (in Nos.) | NA |
| TAP CHANGER | Range of tappings | NA |
| CONSTRUCTION | Material of core | CRGO silicon alloy steel |
| CONSTRUCTION | The maximum flux density in any part of the cores and yoke at normal voltage and frequency | < 1.9 Tesla |
| CONSTRUCTION | Type of cooling | ONAF |
| CONSTRUCTION | Transformer filled with oil | No |
| CONSTRUCTION | Method of system earthing | Neutral of HV,LV solidly earthed |
| CONSTRUCTION | Type of oil preservation system | Diaphragm type |
| CONSTRUCTION | Temperature rise limit - Top oil measured by thermometer | < 45 deg. C |
| CONSTRUCTION | Temperature rise limit - Winding temperature by resistance | < 55 deg. C |
| CONSTRUCTION | Percentage of impedance voltage on normal tap and MVA base at 75 deg. C corresponding to HV/ LV rating (in %) | 10 |
| CONSTRUCTION | No Load Losses (Fixed Loss) , Maximum (in KW) | 7 |
| CONSTRUCTION | Load losses at 75°C, Maximum ( in KW) | 40 |
| CONSTRUCTION | Minium Creppage Distance (in mm) | 25 mm per KV |
| TRANFORMER TANK | Transformer tank construction shall conform in all respect to | as per Annexure-A attached for Coal India |
| TRANFORMER TANK | Transformer tank top cover | Bolted, Welded |
| TRANFORMER TANK | The surface of the cover | Flat |
| TRANFORMER TANK | The transformer tank | as per Annexure-A attached for Coal India |
| ADD ON ITEMS | Oil conservator tank (in Nos.) | 0 |
| ADD ON ITEMS | Buchholz Relay | 0 |
| ADD ON ITEMS | Oil Temperature Indicator (OTI) (in Nos.) | 0 |
| ADD ON ITEMS | Winding Temperature indicator (WTI) (in Nos.) | 0 |
| ADD ON ITEMS | Pressure Relief Device (in Nos.) | 2 |
| ADD ON ITEMS | Oil Level Indicator (in Nos.) | 0 |
| ADD ON ITEMS | Silica Gel Breather with Silica Gel (in Nos.) | 2 |
| ADD ON ITEMS | Drain Valve on transformer tank (in Nos.) | 1 |
| ADD ON ITEMS | Filter Valve on transformer tank (in Nos.) | 0 |
| ADD ON ITEMS | Oil sampling valve on transformer tank (in Nos.) | 0 |
| ADD ON ITEMS | Air release plug (in Nos.) | NA |
| ADD ON ITEMS | Lifting eyes or lugs for the top cover, core and coils and for the complete transformer | No |
| ADD ON ITEMS | Tank earthing terminals with associated nuts and bolts for connections to grounding strip | 2 sets |
| ADD ON ITEMS | HV Bushings according to highest system voltage (in Nos.) | 0 |
| ADD ON ITEMS | LV Bushings according to highest system voltage (in Nos.) | 2 (Porcelain) |
| ADD ON ITEMS | Terminal arrangement: for HV/LV bushings with arcing horns | No |
| ADD ON ITEMS | Suitable terminal connector for HV & LV terminal for holding Conductor | No |
| ADD ON ITEMS | Bus Bars | No |
| ADD ON ITEMS | Cable termination box | No |
| ADD ON ITEMS | Arrangement for Auxilary supply voltage for | 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 | 0 |
| ADD ON ITEMS | Ingress protection for Marshalling Box | IP 54 |
| ADD ON ITEMS | Padlocks and locking key arrangements for | Valves |
| ADD ON ITEMS | Foundation bolts for wheel locking devices of Transformer | No |
| ADD ON ITEMS | Bi-metallic terminal connector/ clamp/ washers suitable for fixing to bushing terminals | No |
| ADD ON ITEMS | Other requrements | Gaskets for Bushings |
| ADD ON ITEMS | Agreed for unloading of transformer at site | No |
| SPECIAL TEST | Agreed to furnish special test reports as per | NA |
| SPECIAL TEST | Test reports for dielectric special tests | No |
| SPECIAL TEST | Test report for determination of capacitances winding to earth, and between windings | No |
| SPECIAL TEST | Test report for determination of transient voltage transfer characteristics | No |
| SPECIAL TEST | Test reports for measurement of zero sequence impedance (s) on three phase transformers | No |
| SPECIAL TEST | Test report for determination of sound levels | Yes |
| SPECIAL TEST | Test report for measurement of harmonics of the no load current | No |
| SPECIAL TEST | Test report for measurement of the power taken by the fan and oil pump motors | 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. 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 |
| CERTIFICATIONS | Agreed to furnish Guaranteed Technical Particulars (GTP) and complete drawings of Power Transformer as and when required by buyer / consignee | No |
| CERTIFICATIONS | Agreed to furnish routine test reports to buyer / consingee on demand | No |
| CERTIFICATIONS | Availability of Type test report from Central Government/NABL/ILAC accridiated laoratory to prove conformity of the specification | No |
| CERTIFICATIONS | Agreed to furnish routine and type tet reports for porcelain bushings | No |
Discover companies most likely to bid on this tender
GST registration certificate
Permanent account number (PAN) card
Experience certificates for similar transformer supply
Financial statements for last 3 years
EMD submission proof (online receipt or DD/BG as applicable)
Technical bid submission documents
OEM authorization or dealer authorization for transformer supply
Guaranteed Technical Particulars (GTP) and complete drawings (on demand)
Routine and type test reports (on demand)
Certificate of compliance from NABL/ILAC-accredited lab (where applicable)
Key insights about UTTAR PRADESH tender market
Bidders must meet eligibility criteria including GST, PAN, and financials, plus OEM authorization. Submit EMD ₹20,000 and technical bids with GTP and test reports. Ensure NABL/ILAC lab-type test compliance and provide routine test certificates on demand. Delivery terms follow 25% uplift option with minimum 30 days extension.
Required documents include GST certificate, PAN card, 3-year financial statements, experience certificates for transformer supply, EMD proof, technical bid, OEM authorization, and negotiation-ready GTP with drawings. Also provide NABL/ILAC lab test reports if requested by buyer.
The bid requires oil-immersed, three-phase transformer with specified insulation, winding insulation details, core material, cooling type, and tank construction. Add-ons include Buchholz relay, oil temperature indicators, and silica gel breather; tests cover dielectric, impedance, and sound levels per standard test protocols.
Delivery extension applies when the purchaser exercises the 25% quantity variation clause. Extension time is calculated as (Additional quantity/Original quantity) × Original delivery period, with a minimum of 30 days. The extension may be controlled to fit original delivery timelines.
EMD amount is ₹20,000. Payment terms are not fully explicit in the tender text and will be clarified during bid finalization; bidders should prepare for standard government payment practices and confirm milestones with the buyer prior to bid submission.
Required testing includes dielectric tests, capacitance windings-to-earth, transient voltage transfer, and insulation resistance measurements. Certifications include Guaranteed Technical Particulars (GTP), routine and type test reports, and NABL/ILAC-accredited lab test documentation as requested by the buyer.
Add-on items include oil conservator, Buchholz relay, Oil Temperature Indicator, Winding Temperature Indicator, Pressure Relief Device, Oil Level Indicator, Silica Gel Breather, Drain Valve, Filter Valve, Valve for sampling, and marshalling box with glands, grounding, and temperature indicators.
The procurement targets Sonbhadra district, Uttar Pradesh, with the organization Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited overseeing the energy department tender process for oil-immersed transformers.
Uttar Pradesh Power Corporation Limited (uppcl)
📍 LUCKNOW, UTTAR PRADESH
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Madhya Pradesh Paschim Kshetra Vidyut Vitran Company Ltd
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JVVNL - CMD
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Main Document
CATALOG Specification
ATC
GEM_GENERAL_TERMS_AND_CONDITIONS