[Design, Detailed Engineering, Manufacture, Supply, Erection, Testing and commissioning of GANGAIKONDAN 230/110KV AIS SS excluding supply and erection of 2x100MVA,230/110KV Auto Transformer at Gangaikondan SIPCOT Premises in Tirunelveli EDC ] open
Category
Electrical Works
AI summary
This tender provides details about the project including scope of work, estimated value, deadlines, and eligibility requirements.
Overview
This tender is issued by TNEB Limited for the design, detailed engineering, manufacture, supply, erection, testing, and commissioning of the GANGAIKONDAN 230/110KV AIS Substation, excluding the supply and erection of two 100MVA, 230/110KV Auto Transformers. The project is located at the Gangaikondan SIPCOT premises in Tirunelveli, Tamil Nadu.
Scope / Work
The scope of work includes:
- Design and detailed engineering of the AIS substation.
- Manufacture and supply of necessary equipment.
- Erection, testing, and commissioning of the substation.
- The project does not include the supply and erection of the specified auto transformers.
Bidders should refer to the tender documents for specific qualifications and requirements, including the need for documentary evidence in the technical cover.
Fees & EMD
- Tender Fee: There is no tender fee for this bid.
- EMD (Earnest Money Deposit): The EMD amount is ₹4,935,350. Exemption for EMD is allowed under certain conditions. Bidders should ensure compliance with the EMD requirements as specified in the tender documents.
Key Dates
- Publish Date: 19-Feb-2026
- Bid Submission Start Date: 18-Mar-2026
- Bid Submission End Date: 16-Apr-2026
- Bid Opening Date: 17-Apr-2026
- Pre-Bid Meeting: Scheduled for 03-Mar-2026 at 3:00 PM in Chennai. This meeting is crucial for clarifying any doubts regarding the tender.
- Clarification Period: From 21-Feb-2026 to 09-Mar-2026. Bidders are encouraged to seek clarifications within this window.
Bidders should prepare their submissions carefully, ensuring all required documents are included, particularly in the technical cover, to avoid disqualification.
AI insights
Risk factors
- high EMD amount
- tight submission timeline
- no tender fee
- documentary evidence required
Financials
| Tender value | Undisclosed |
|---|---|
| EMD amount | ₹49,35,350 — payable to Nil at Nil |
| Tender fee | ₹0.00 — payable to Nil at Nil |
Payment mode Online
Timeline
| Publish date | 19-Feb-2026 05:15 PM |
|---|---|
| Bid end | 16-Apr-2026 03:00 PM |
| Opening date | 17-Apr-2026 03:00 PM |
Documents available from 19-Feb-2026 05:15 PM to 16-Apr-2026 03:00 PM. Clarification window: 21-Feb-2026 11:00 AM to 09-Mar-2026 05:00 PM.
Tender Documents
How tender documents work
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| Name | Size | Type | Action |
|---|---|---|---|
| BOQ_793835.xls | 787 KB | XLS | |
| CommercialSpecT2367.pdf | 1.40 MB | ||
| SLD_GANGAIKONDAN230KVSS.pdf | 236.06 KB | ||
| TechnicalSpecT_2367.pdf | 6.95 MB | ||
| Reply_Pre-Bidqueries.pdf | 614.5 KB | ||
| BOQ_793835.xls.pdf | 614.5 KB | ||
| T-2367Duedateextension.pdf | 684.35 KB | ||
| Corrigendum3.pdf | 235.14 KB | ||
| T-2367-datecorrigendum.pdf | 559.13 KB | ||
| PrebidReplyT2367.pdf | 25.32 MB |
Corrigenda
Official amendments and notices. PDFs open in the same viewer as tender documents (sign in, verified email, daily limit applies).
Revised BOQ
Published Corrigendum Details
Date : 12-Apr-2026 12:15 AM
[Tender information]
Organisation Chain : TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO
Tender ID : 2026_EB_661373_1
Tender Ref No : T-2367
Tender Title : Design, Detailed Engineering, Manufacture, Supply, Erection, Testing and commissioning of GANGAIKONDAN 230/110KV AIS SS excluding supply and erection of 2x100MVA,230/110KV Auto Transformer at Gangaikondan SIPCOT Premises in Tirunelveli EDC
Corrigendum Type : BOQ
[Corrigendum Document and BOQ List]
| File | Size | Type | Action |
|---|---|---|---|
| Reply_Pre-Bidqueries.pdf | 614.5 | ||
| BOQ_793835.xls.pdf | 614.5 |
Duedateextension
Published Corrigendum Details
Date : 12-Apr-2026 12:15 AM
[Tender information]
Organisation Chain : TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO
Tender ID : 2026_EB_661373_1
Tender Ref No : T-2367
Tender Title : Design, Detailed Engineering, Manufacture, Supply, Erection, Testing and commissioning of GANGAIKONDAN 230/110KV AIS SS excluding supply and erection of 2x100MVA,230/110KV Auto Transformer at Gangaikondan SIPCOT Premises in Tirunelveli EDC
Corrigendum Type : Date
[Corrigendum:3]
Corrigendum title: Duedateextension
Description: Due date Extension
Published: 08-Apr-2026 04:00 PM
Document: T-2367Duedateextension.pdf
Size (KB): 684.35
Publish Date: 19-Feb-2026 05:15 PM │ Bid Opening Date: 17-Apr-2026 03:00 PM
Document Download/Sale Start Date: 19-Feb-2026 05:15 PM │ Document Download/Sale End Date: 16-Apr-2026 03:00 PM
Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM
Bid Submission Start Date: 18-Mar-2026 05:00 PM │ Bid Submission End Date: 16-Apr-2026 03:00 PM
Pre Bid Meeting Date: 03-Mar-2026 03:00 PM
[Critical Dates]
[Corrigendum:2]
Publish Date: 19-Feb-2026 05:15 PM │ Bid Opening Date: 09-Apr-2026 03:00 PM
Document Download/Sale Start Date: 19-Feb-2026 05:15 PM │ Document Download/Sale End Date: 08-Apr-2026 03:00 PM
Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM
Bid Submission Start Date: 18-Mar-2026 05:00 PM │ Bid Submission End Date: 08-Apr-2026 03:00 PM
Pre Bid Meeting Date: 03-Mar-2026 03:00 PM
[Critical Dates]
[Corrigendum:1]
Publish Date: 19-Feb-2026 05:15 PM │ Bid Opening Date: 27-Mar-2026 03:00 PM
Document Download/Sale Start Date: 19-Feb-2026 05:15 PM │ Document Download/Sale End Date: 26-Mar-2026 03:00 PM
Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM
Bid Submission Start Date: 18-Mar-2026 05:00 PM │ Bid Submission End Date: 26-Mar-2026 03:00 PM
Pre Bid Meeting Date: 03-Mar-2026 03:00 PM
[Critical Dates]
[Details Before Corrigendum]
Publish Date: 19-Feb-2026 05:15 PM │ Bid Opening Date: 20-Mar-2026 03:00 PM
Document Download/Sale Start Date: 19-Feb-2026 05:15 PM │ Document Download/Sale End Date: 18-Mar-2026 01:00 PM
Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM
Bid Submission Start Date: 10-Mar-2026 11:00 AM │ Bid Submission End Date: 18-Mar-2026 01:00 PM
Pre Bid Meeting Date: 03-Mar-2026 03:00 PM
[Critical Dates]
| File | Size | Type | Action |
|---|---|---|---|
| T-2367Duedateextension.pdf | 684.35 | ||
| Corrigendum3.pdf | 235.14 | ||
| T-2367-datecorrigendum.pdf | 559.13 |
Reply to the prebid Queries
Published Corrigendum Details
Date : 12-Apr-2026 12:15 AM
[Tender information]
Organisation Chain : TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO
Tender ID : 2026_EB_661373_1
Tender Ref No : T-2367
Tender Title : Design, Detailed Engineering, Manufacture, Supply, Erection, Testing and commissioning of GANGAIKONDAN 230/110KV AIS SS excluding supply and erection of 2x100MVA,230/110KV Auto Transformer at Gangaikondan SIPCOT Premises in Tirunelveli EDC
Corrigendum Type : Other
[Corrigendum Document Details]
| File | Size | Type | Action |
|---|---|---|---|
| PrebidReplyT2367.pdf | 25932.76 |
Work details
Location, category, and schedule for this procurement.
| Location | Tirunelveli |
|---|---|
| Category | Electrical Works |
| Bid validity | 180 days |
Tender basics
| Tender type | Open Tender |
|---|---|
| Form of contract | Turn-key |
| Tender category | Works |
| No. of covers | 2 |
| Organisation chain | TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO |
| Source portal | tntenders.gov.in |
Authority details
| Inviting authority | Chief Engineer/ Transmission |
|---|---|
| Address | Chief Engineer/ Transmission V Floor, TANTRANSCO HQ, 144, Anna Salai, Chennai- 600 002. |
| Payment instruments | Online |
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