[Improvement to existing sewerage system under Nesapakkam STP catchment area SW 02 Rehabilitation and enlargement of existing collection system with HSCs under 17 Nos of LS SPS in Area 9 10 and 13 and O and M of entire collection system for 5 years] open

CMWSSB-World Bank/ADB tenders

Ref: CNT/UGSS/NCB/ADB/003/2025-26 · ID: 2026_WBAT_672811_1

Category Civil Works - Water Works

AI summary

This tender provides details about the project including scope of work, estimated value, deadlines, and eligibility requirements.

Overview

The tender titled "Improvement to existing sewerage system under Nesapakkam STP catchment area SW 02 Rehabilitation and enlargement of existing collection system with HSCs under 17 Nos of LS SPS in Area 9 10 and 13 and O and M of entire collection system for 5 years" is issued by CMWSSB-World Bank/ADB tenders. This is an open tender aimed at enhancing the sewerage infrastructure in Chennai.

Scope / Work

The work involves the rehabilitation and enlargement of the existing sewerage collection system, including the installation of HSCs under 17 Nos of LS SPS in specified areas. The contractor will also be responsible for the operation and maintenance of the entire collection system for a period of 5 years. Bidders should refer to the tender documents for detailed pre-qualification requirements.

Fees & EMD

  • Tender Fee: There is no tender fee applicable for this bid.
  • EMD: A fixed Earnest Money Deposit (EMD) of ₹14,800,000 is required. No exemptions are allowed for the EMD.

Key dates

  • Publish Date: 11-Mar-2026 11:30 AM
  • Pre-Bid Meeting: 12-Mar-2026 11:00 AM at the 4th floor tender opening hall.
  • Bid Submission Start: 06-Apr-2026 03:00 PM
  • Bid Submission End: 22-Apr-2026 03:00 PM
  • Bid Opening: 22-Apr-2026 03:30 PM
  • Document Download: Available from 11-Mar-2026 11:30 AM to 22-Apr-2026 03:00 PM.

Bidders are advised to ensure all required documents are prepared and submitted within the specified timelines to avoid disqualification.

AI insights

Risk factors

  • high EMD amount
  • 180 days bid validity
  • tight submission timelines
  • no tender fee

Financials

Tender value Undisclosed
EMD amount ₹1,48,00,000 — payable to Nil at Nil
Tender fee ₹0.00 — payable to Nil at Nil

Payment mode Online

Timeline

Publish date 11-Mar-2026 11:30 AM
Bid end 22-Apr-2026 03:00 PM
Opening date 22-Apr-2026 03:30 PM

Documents available from 11-Mar-2026 11:30 AM to 22-Apr-2026 03:00 PM.

Tender Documents

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BOQ_808886.xls 607.5 KB XLS
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Tender_Extension_003.pdf 124.28 KB PDF
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NIT003.pdf 99.92 KB PDF
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Corrigenda

Official amendments and notices. PDFs open in the same viewer as tender documents (sign in, verified email, daily limit applies).

EXTENSION NOTICE - I

Type Date

Published Corrigendum Details Date : 11-Apr-2026 12:09 PM [Tender information] Organisation Chain : CMWSSB-World Bank/ADB tenders||CCRWSSP||NSTP Sewerage Project Tender ID : 2026_WBAT_672811_1 Tender Ref No : CNT/UGSS/NCB/ADB/003/2025-26 Tender Title : Improvement to existing sewerage system under Nesapakkam STP catchment area SW 02 Rehabilitation and enlargement of existing collection system with HSCs under 17 Nos of LS SPS in Area 9 10 and 13 and O and M of entire collection system for 5 years Corrigendum Type : Date [Corrigendum:2] Corrigendum title: EXTENSION NOTICE - I Description: EXTENSION NOTICE - I Published: 07-Apr-2026 04:55 PM Document: Tender_Extension_003.pdf Size (KB): 124.28 Publish Date: 11-Mar-2026 11:30 AM │ Bid Opening Date: 22-Apr-2026 03:30 PM Document Download/Sale Start Date: 11-Mar-2026 11:30 AM │ Document Download/Sale End Date: 22-Apr-2026 03:00 PM Clarification Start Date: NA │ Clarification End Date: NA Bid Submission Start Date: 06-Apr-2026 03:00 PM │ Bid Submission End Date: 22-Apr-2026 03:00 PM Pre Bid Meeting Date: 12-Mar-2026 11:00 AM [Critical Dates] [Corrigendum:1] Publish Date: 11-Mar-2026 11:30 AM │ Bid Opening Date: 08-Apr-2026 03:30 PM Document Download/Sale Start Date: 11-Mar-2026 11:30 AM │ Document Download/Sale End Date: 08-Apr-2026 03:00 PM Clarification Start Date: NA │ Clarification End Date: NA Bid Submission Start Date: 06-Apr-2026 03:00 PM │ Bid Submission End Date: 08-Apr-2026 03:00 PM Pre Bid Meeting Date: 12-Mar-2026 11:00 AM [Critical Dates] [Details Before Corrigendum] [Critical Dates]
File Size Type Action
Tender_Extension_003.pdf 124.28 PDF
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NIT003.pdf 99.92 PDF
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Work details

Location, category, and schedule for this procurement.

Location Chennai
Category Civil Works - Water Works
Bid validity 180 days

Tender basics

Tender type Open Tender
Form of contract Item Rate
Tender category Works
No. of covers 2
Organisation chain CMWSSB-World Bank/ADB tenders||CCRWSSP||NSTP Sewerage Project
Source portal tntenders.gov.in

Authority details

Inviting authority Superintending Engineer, Contracts and Monitoring
Address Superintending Engineer, Contracts and Monitoring, 4th floor tender opening hall C and M wing
Payment instruments Online

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