Power Transformer, Oil immersed type
Western Coalfields Limited
CHANDRAPUR, MAHARASHTRA
Posted:
16 May 2025
Closed:
6 June 2025
GEM
GEM
Contract Bidding Open For Power Transformer, Oil immersed type in GHAZIPUR, UTTAR PRADESH
Bid Publish Date
13-Jun-2026, 1:55 pm
Bid End Date
23-Jun-2026, 2:00 pm
EMD
₹26,000
Location
GHAZIPUR , UTTAR PRADESH
Progress
Issue13-Jun-2026, 1:55 pm
AwardPending
Quantity
1
Bid Type
Two Packet Bid
Categories
9
E-municipalities - Eservices To Citizens And Employees Of Urban Local Bodies Of Uttar Pradesh has released a public tender for Power Transformer, Oil immersed type (Q3) in GHAZIPUR, UTTAR PRADESH. Quantity: 1. Submission Deadline: 23-06-2026 14: 00: 00. Download documents and apply online.
Additional Tender Data
Commercial Details
Tender Category
Goods
Bid To RA
No
Bid To RA Enabled
No
Item Category
Power Transformer, Oil immersed type (Q3)
Authority Records
URBAN DEVELOPMENT DEPARTMENT
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Documents 3
GeM-Bidding-9465126.pdf
Main Document
CATALOG-Specification-1
CATALOG Specification
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS
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Tender Results
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Technical Specifications
1 Item
Item #1 Details
View Catalog| Category | Specification | Requirement |
|---|---|---|
| RATING | Rated Voltage - HV (in KV) | 33 |
| RATING | Rated Voltage - LV (in kV) | 6.6 |
| RATING | Maximum system voltage - HV (in kV) | 36 |
| RATING | Maximum system voltage - LV (in kV) | 7.2 |
| RATING | Rated power (in MVA) | 10 |
| RATING | No. of Phase | 3 Ph. 2 Winding |
| GENERIC | Conformity of the specification | IS:2026 (Part 1) : 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 IS: 2026 Part 3: 2009 latest |
| INSULATION LEVEL | Standard rated short duration power-frequency withstand voltage, r.m.s value (in kV) | 70 |
| INSULATION LEVEL | Standard rated lightning impulse withstand voltage (in kV, peak) | 170 |
| WINDING | Winding insulation | Class A |
| WINDING | Connection symbol | Dyn 11 |
| WINDING | Terminals of all windings | Out of the tank through bushings for external connections |
| WINDING | Material of barrier insulation including spacers | High Density Press board |
| TAP CHANGER | Type of Tap Changer | Off Circuit |
| TAP CHANGER | Winding tapped at | HV |
| TAP CHANGER | No. of tappings (in Nos.) | 17 |
| TAP CHANGER | Range of tappings | +5% to-15% in equal seps of 1.25% |
| CONSTRUCTION | Material of core | CRGO (ColdRolled GrainOriented 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 | ONAN |
| CONSTRUCTION | Transformer filled with oil | Yes |
| CONSTRUCTION | Method of system earthing | LV connections : Star with neutral solidly earthed |
| CONSTRUCTION | Type of oil preservation system | Conservator type |
| CONSTRUCTION | Temperature rise limit - Top oil measured by thermometer | < 50 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 %) | 8.35 |
| CONSTRUCTION | No Load Losses (Fixed Loss) , Maximum (in KW) | 9 |
| CONSTRUCTION | Load losses at 75°C, Maximum ( in KW) | 80 |
| 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. |
| TRANFORMER TANK | Transformer tank top cover | Detachable with bolted flanged gasket joint |
| TRANFORMER TANK | The surface of the cover | Suitable sloped |
| TRANFORMER TANK | The transformer tank | supported on steel structure |
| ADD ON ITEMS | Oil conservator tank (in Nos.) | 1 |
| ADD ON ITEMS | Buchholz Relay | 1 |
| ADD ON ITEMS | Oil Temperature Indicator (OTI) (in Nos.) | 1 |
| ADD ON ITEMS | Winding Temperature indicator (WTI) (in Nos.) | 1 |
| ADD ON ITEMS | Pressure Relief Device (in Nos.) | 1 |
| ADD ON ITEMS | Oil Level Indicator (in Nos.) | 1 |
| ADD ON ITEMS | Silica Gel Breather with Silica Gel (in Nos.) | 1 |
| ADD ON ITEMS | Drain Valve on transformer tank (in Nos.) | 1 |
| ADD ON ITEMS | Filter Valve on transformer tank (in Nos.) | 1 |
| ADD ON ITEMS | Oil sampling valve on transformer tank (in Nos.) | 1 |
| ADD ON ITEMS | Air release plug (in Nos.) | 150 mm dia, 1 No. |
| ADD ON ITEMS | Lifting eyes or lugs for the top cover, core and coils and for the complete transformer | Yes |
| 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.) | 1 No. Porcelain with metal parts and gaskets |
| ADD ON ITEMS | LV Bushings according to highest system voltage (in Nos.) | 1 No. Porcelain with metal parts and gaskets |
| ADD ON ITEMS | Terminal arrangement: for HV/LV bushings with arcing horns | Yes |
| ADD ON ITEMS | Suitable terminal connector for HV & LV terminal for holding Conductor | Yes. Suitable for Panther type |
| ADD ON ITEMS | Bus Bars | No |
| ADD ON ITEMS | Cable termination box | 1 No. at HV side and 1 No. at LV side |
| ADD ON ITEMS | Arrangement for Auxilary supply voltage for | For Alarm |
| 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 |
| ADD ON ITEMS | Ingress protection for Marshalling Box | IP 55 |
| ADD ON ITEMS | Padlocks and locking key arrangements for | Mrashalling box, Valves |
| ADD ON ITEMS | Foundation bolts for wheel locking devices of Transformer | Yes |
| ADD ON ITEMS | Bi-metallic terminal connector/ clamp/ washers suitable for fixing to bushing terminals | Yes |
| ADD ON ITEMS | Other requrements | Magnetic Oi Level Gauge with Low oil level alarm contacts |
| 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 | No |
| 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 | No |
| 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 | No |
| 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 | Yes |
| CERTIFICATIONS | Agreed to furnish routine test reports to buyer / consingee on demand | as per Cl.10.1.1 of IS:2026 (Part 1) latest |
| 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 |
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Required Documents
1
Experience Criteria
2
Past Performance
3
Bidder Turnover
4
Certificate (Requested in ATC)
5
OEM Authorization Certificate
6
OEM Annual Turnover *In case any bidder is seeking exemption from Experience / Turnover Criteria
7
the supporting documents to prove his eligibility for exemption must be uploaded for evaluation by the buyer
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Documents 3
GeM-Bidding-9465126.pdf
Main Document
CATALOG-Specification-1
CATALOG Specification
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS