[Establishment of Chidambaram 230/110kV AIS SS] open
AI summary
This tender provides details about the project including scope of work, estimated value, deadlines, and eligibility requirements.
Overview
TNEB Limited has published an open tender for the establishment of the Chidambaram 230/110kV AIS Substation. This tender is categorized under electrical works and follows a turn-key contract format. Bidders are required to submit their proposals in two covers: one for technical and pre-qualification documents and the other for financial bids.
Scope / Work
The work involves the establishment of the Chidambaram 230/110kV AIS Substation. Bidders must refer to the tender documents for detailed pre-qualification requirements. The location of the project is Chidambaram, Tamil Nadu, with a pincode of 608001. The bid validity period is set at 180 days from the bid submission deadline.
Fees & EMD
There is no tender fee associated with this tender. However, bidders must submit an Earnest Money Deposit (EMD) of ₹6,360,000. EMD exemption is allowed under certain conditions. Payment for the EMD must be made online through SBI Bank.
Key dates
- Publish Date: 13-Mar-2026 06:00 PM
- Document Download Start Date: 13-Mar-2026 06:00 PM
- Document Download End Date: 15-Apr-2026 03:00 PM
- Clarification Period: 13-Mar-2026 06:00 PM to 25-Mar-2026 05:00 PM
- Bid Submission Start Date: 08-Apr-2026 03:00 PM
- Bid Submission End Date: 15-Apr-2026 03:00 PM
- Bid Opening Date: 16-Apr-2026 03:30 PM
Bidders should ensure timely submission of documents and adherence to the specified timelines to avoid disqualification.
AI insights
Risk factors
- high EMD amount
- 180 days bid validity
- tight submission timeline
- no pre-bid meeting
Financials
| Tender value | Undisclosed |
|---|---|
| EMD amount | ₹63,60,000 — payable to Nil at Nil |
| Tender fee | ₹0.00 — payable to Nil at Nil |
Payment mode Online
Timeline
| Publish date | 13-Mar-2026 06:00 PM |
|---|---|
| Bid end | 15-Apr-2026 03:00 PM |
| Opening date | 16-Apr-2026 03:30 PM |
Critical dates
From the portal detail page (all dates captured when available).
| Published date | 13-Mar-2026 06:00 PM |
|---|---|
| Bid opening date | 16-Apr-2026 03:30 PM |
| Document download / sale start | 13-Mar-2026 06:00 PM |
| Document download / sale end | 15-Apr-2026 03:00 PM |
| Clarification start | 13-Mar-2026 06:00 PM |
| Clarification end | 25-Mar-2026 05:00 PM |
| Bid submission start | 08-Apr-2026 03:00 PM |
| Bid submission end | 15-Apr-2026 03:00 PM |
Tender Documents
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| Name | Size | Type | Action |
|---|---|---|---|
| 230KVControlRoomPlan.pdf | 5.53 MB | ||
| BOQ_810835.xls | 728.5 KB | XLS | |
| Layout.pdf | 218.45 KB | ||
| SLD.pdf | 452.24 KB | ||
| TechnoCommercialSpecification.pdf | 9.23 MB | ||
| Corrigendum_1.pdf | 138.37 KB | ||
| Corrigendum_2.pdf | 6.61 MB |
Corrigenda
Official amendments and notices. PDFs open in the same viewer as tender documents (sign in, verified email, daily limit applies).
Pre-Bid Meeting
| File | Size | Type | Action |
|---|---|---|---|
| Corrigendum_1.pdf | 138.37 |
Revised Technical specification
| File | Size | Type | Action |
|---|---|---|---|
| Corrigendum_2.pdf | 6769.9 |
Work details
Location, category, and schedule for this procurement.
| Location | Chidambaram |
|---|---|
| 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 |
Covers (bid packets)
What to submit in each cover, as listed on the tender portal.
| Cover no. | Cover type | Description | Document type |
|---|---|---|---|
| 1 | Fee/PreQual/Technical | Technical BQR clause with documentary evidence | |
| — | — | Financial BQR documents | |
| — | — | BQR clause Profit and Loss account and balance sheet Loss account and balance sheet | |
| — | — | Forms | |
| — | — | Schedules and other documents | |
| 2 | Finance | Price bid (BOQ) | .xls |
Authority details
| Inviting authority | Chief Engineer/ Transmission |
|---|---|
| Address | Chief Engineer/ Transmission IV Floor, TANTRANSCO HQ, 144, Anna Salai, Chennai- 600 002. |
| Payment instruments | Online |
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