Bokaro Steel Plant SAIL Repair & Rewinding of 4MVA & 3MVA Transformers Tender 2026
Bid Publish Date
17-Oct-2026, 12:07 pm
Bid End Date
07-Nov-2026, 12:00 pm
Value
₹23,18,186
Location
Progress
Key Highlights
- • Transformer repair & rewinding for 4MVA and 3MVA units at MIOM, BSL, SAIL
- • Transportation of defective transformers to contractor workshop and back
- • Reuse of old copper windings; insulation with new materials
- • Comprehensive test suite: Ratio, Vector Group, Winding Resistance, HV, Short Circuit Current, Magnetic Balance, IR & PI, Tan Delta
- • Mandatory test reports to accompany repaired transformers
- • Workshop-based repair; no CLC clearance required
- • Estimated contract value: ₹2,318,185.73
- • No BOQ items published; scope defined in Annexure-X SOW
Tender Overview
The Bokaro Steel Plant, under Steel Authority of India Limited, invites bids for the repair and rewinding of two transformers: 4MVA and 3MVA, including transportation of defective units to the contractor’s workshop and back to MIO for reinstatement. The scope specifies reuse of old copper windings, replacement insulation with new material, and completion at the bidder’s workshop. Testing suite required includes Ratio, Vector Group, Winding Resistance, High Voltage, Short Circuit Current, Magnetic Balance, IR & PI, and Tan Delta tests, with all test reports to accompany delivered transformers. Estimated contract value is ₹2,318,185.73, with no BOQ items published. The work is centered in Bokaro, Jharkhand, leveraging the MIOM facility at BSL under SAIL.
Key differentiators include on-site transportation logistics, reliance on contractor workshop facilities, and a comprehensive post-repair test regime ensuring transformer performance parity. Unique aspects include no CLC clearance requirement and a defined sequence of diagnostic tests that must be documented in final reports. The tender emphasizes technical competence to execute winding re-insulation, copper winding reuse, and precise test execution, culminating in a fully certified repaired asset ready for reinstallation.
Technical Specifications & Requirements
- Product/Service: Repair & rewinding of 4MVA and 3MVA transformers for MIOM, BSL, SAIL
- Scope: Transportation of defective transformers to contractor workshop; repair/re-wind with reused winding copper; insulation using new materials; return to MIOM, BSL, SAIL
- Location: Bokaro Steel Plant, Jharkhand; workshop-based repair
- Tests: Ratio, Vector Group, Winding Resistance, High Voltage, Short Circuit Current, Magnetic Balance, IR & PI, Tan Delta
- Reports: All test reports to be submitted with repaired transformers
- Value: Estimated ₹ 2,318,185.73
- Notes: No BOQ items published; scope defined in Annexure-X SOW
Terms, Conditions & Eligibility
- EMD: Not specified in available data
- Delivery/Completion: Work to be completed in the contractor’s workshop with return transportation included
- Payment: Terms not detailed in provided information
- Documents: Contractor to submit test reports, workshop capability, and compliance with scope of work; GSTIN and PAN may be required per standard T&C
- Other Clauses: No CLC clearance required for this engagement; reports must accompany repaired transformers
- Experience: Demonstrated capability to perform transformer rewind/repair and full diagnostic testing is implied via scope
Key Specifications
-
Repair & rewinding of 4MVA transformer
-
Repair & rewinding of 3MVA transformer
-
Copper windings to be reused where possible
-
Insulation replacement using new insulating materials
-
Work performed at contractor’s workshop with return to MIOM, BSL, SAIL
-
Complete set of tests: Ratio, Vector Group, Winding Resistance, HV, Short Circuit Current, Magnetic Balance, IR & PI, Tan Delta
Terms & Conditions
-
EMD: Not specified in provided terms
-
Workshop-based repair with transportation arrangement by bidder
-
Comprehensive post-repair testing and reporting required
Important Clauses
Payment Terms
Details not provided in data; bidders should anticipate standard terms post-approval and acceptance of test reports
Delivery Schedule
Work to be conducted at bidder’s workshop with transportation arranged to and from MIOM, BSL, SAIL
Penalties/Liquidated Damages
Not specified in available information; bidders should review ATC for LD provisions
Bidder Eligibility
-
Proven experience in transformer repair and rewinding projects
-
Demonstrated capability to perform HV tests and associated diagnostics
-
Financial stability to undertake an estimated value of ₹2.32 million
Tender Data
Bid Details
Quantity
1
Similar Category
Operation and Maintenance Of Electrical Systems/Electrical Installations
Bid Type
Two Packet Bid
Bid Validity
180 (Days)
Bid Type
Service
Evaluation
Total value wise evaluation
RA Qualification Rule
H1-Highest Priced Bid Elimination
Tech Clarification Time
7 Days
Preference & Exemptions
EMD Required
No
MII Compliance
Yes
MSE Exemption/Relaxation
Yes
Startup Exemption/Relaxation
Yes
Bid Splitting Applied
No
Requirements
Min. Avg. Annual Turnover
59
Experience Required
7 Year (s)
Additional Tender Data
Commercial Details
Tender Category
Service
Bid To RA
No
Bid To RA Enabled
Yes
Item Category
Custom Bid for Services - Repair & Rewinding of 4MVA and 3MVA transformers of MIOM
Payment Timelines
Payments shall be made to the Seller within 30 days of issue of service delivery acceptance certificate (SDAC) and on-line submission of bills (This is in supersession of 10 days time as provided in clause 12 of GeM GTC)
Delivery Details
Delivery Locations
1
Delivery Cities
West Singhbhum
Delivery Pincodes
833222
Delivery Locations
| Consignee | Address | City | State | Pincode | Quantity | Delivery Days | Additional Requirement |
|---|---|---|---|---|---|---|---|
| Navin Kumar Sonkusare | 833222,Kiriburu Iron Ore Mines, JGOM, CMLO | West Singhbhum | Jharkhand | 833222 | Project / Lumpsum Based | - | - |
Authority Records
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Documents 9
GeM-Bidding-10049258.pdf
Main Document
Other Documents
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Buyer uploaded ATC document
ATC
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS
Categories
8
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Required Documents
GST registration certificate
Permanent Account Number (PAN) card
Experience certificates for transformer repair/rewind work
Financial statements or evidence of financial capability
EMD submission documents (if applicable in ATC)
Technical bid documents demonstrating workshop capability
OEM authorizations or acknowledgments for transformer components
Quality/process certifications (if available)
Frequently Asked Questions
How to bid for Bokaro transformer repair tender 2026?
Bidders should submit workshop capability proof, experience certificates for transformer rewinding, GST and PAN, and financial statements. The contract involves transporting transformers to the bidder's workshop, reusing copper windings, replacing insulation, and performing an 8-test regime. Prepare test reports for Ratio, Vector Group, and other diagnostics.
What documents are required for the transformer repair bid in Bokaro?
Required documents include GST registration, PAN, experience certificates in transformer rewinding, financial statements, OEM authorizations if applicable, and technical bid demonstrating workshop capacity. EMD documents may be required per ATC, along with quality certifications if available.
What are the key technical tests for the transformer repair bid in Jharkhand?
The bidder must perform Ratio, Vector Group, Winding Resistance, High Voltage, Short Circuit Current, Magnetic Balance, IR & PI, and Tan Delta tests. Final reports must accompany the repaired transformers and verify performance to satisfaction of MIOM, BSL, SAIL.
What is the estimated value and scope of Bokaro transformer repair contract?
Estimated value is ₹2,318,185.73. Scope includes transport of defective transformers to the bidder’s workshop, rewinding using reused copper windings, insulation replacement with new materials, and delivering tested transformers back to MIOM, BSL, SAIL with full test reports.
What are the delivery and installation expectations for this bid in Bokaro?
Work is workshop-based; bidder is responsible for transporting units to and from MIOM, BSL, SAIL. There is no CLC clearance required. Upon completion, tested transformers must be returned to the MIOM site with all test reports documented.
What standards or certifications are needed for transformer repair bids in Jharkhand?
While explicit standards are not listed in the provided data, bidders should prepare to demonstrate capability through HV diagnostic tests and quality workmanship. OEM authorizations and relevant certifications improve bid competitiveness and compliance with internal SAIL ATC expectations.
How will payment terms be structured for the Bokaro transformer project?
Payment terms are not detailed in the data; bidders should await ATC clarification. Typically, payments are linked to milestone completion and acceptance of test reports, with potential retention until performance criteria are verified post-delivery.
What is the process to submit the bid for this Bokaro procurement?
Submit a technical bid detailing workshop capabilities and test protocols, along with financial documents. Include required compliance certificates and OEM authorizations. Ensure all test reports are ready for submission with the repaired units and that transportation logistics are clearly defined.