[Improvement to Existing sewerage system under Nesapakkam STP catchment area SW 03 Rehabilitation and enlargement of existing collection system with HSCs under 7 Nos of LS SPS in Area 9 and 10 and Operation and maintenance of entire collection system ] open

CMWSSB-World Bank/ADB tenders

Ref: CNT/UGSS/NCB/ADB/004/2025-26 · ID: 2026_WBAT_673094_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 03 Rehabilitation and enlargement of existing collection system with HSCs under 7 Nos of LS SPS in Area 9 and 10 and Operation and maintenance of entire collection system" is issued by CMWSSB under World Bank/ADB funding. The tender is classified as an Open Tender and falls under the Works category, specifically focusing on civil works related to water management in Chennai.

Scope / Work

The project involves the rehabilitation and enlargement of the existing sewerage collection system, including the installation of HSCs and the operation and maintenance of the entire collection system. Bidders are required to refer to the tender documents for detailed specifications and pre-qualification requirements. A pre-bid meeting is scheduled for 12-Mar-2026 at 11:00 AM at the tender opening hall, which bidders are encouraged to attend for clarifications.

Fees & EMD

There is no tender fee associated with this tender. However, a fixed Earnest Money Deposit (EMD) of ₹13,400,000 is mandatory, and no exemptions are allowed. Bidders must ensure that the EMD is submitted as per the guidelines outlined in the tender documents.

Key dates

  • Publish Date: 11-Mar-2026 11:35 AM
  • Bid Submission Start Date: 06-Apr-2026 12:00 PM
  • Bid Submission End Date: 22-Apr-2026 03:00 PM
  • Bid Opening Date: 22-Apr-2026 03:30 PM
  • Document Download Start Date: 11-Mar-2026 11:35 AM
  • Document Download End Date: 22-Apr-2026 03:00 PM

Bidders should ensure timely submission of bids and download all necessary documents within the specified dates. All submissions must be made online, and the payment mode is also online through SBI Bank.

AI insights

Risk factors

  • high EMD size
  • tight submission timeline
  • no tender fee
  • no exemptions for EMD

Financials

Tender value Undisclosed
EMD amount ₹1,34,00,000 — payable to Nil at Nil
Tender fee ₹0.00 — payable to Nil at Nil

Payment mode Online

Timeline

Publish date 11-Mar-2026 11:35 AM
Bid end 22-Apr-2026 03:00 PM
Opening date 22-Apr-2026 03:30 PM

Documents available from 11-Mar-2026 11:35 AM to 22-Apr-2026 03:00 PM.

Tender Documents

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BOQ_808918.xls 569 KB XLS
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Tender_Extension_004.pdf 124.03 KB PDF
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NIT_004.pdf 153.29 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).

Tender Extension Notice

Type Date

Published Corrigendum Details Date : 11-Apr-2026 12:07 PM [Tender information] Organisation Chain : CMWSSB-World Bank/ADB tenders||CCRWSSP||NSTP Sewerage Project Tender ID : 2026_WBAT_673094_1 Tender Ref No : CNT/UGSS/NCB/ADB/004/2025-26 Tender Title : Improvement to Existing sewerage system under Nesapakkam STP catchment area SW 03 Rehabilitation and enlargement of existing collection system with HSCs under 7 Nos of LS SPS in Area 9 and 10 and Operation and maintenance of entire collection system Corrigendum Type : Date [Corrigendum:2] Corrigendum title: Tender Extension Notice Description: Tender Extension Notice Published: 07-Apr-2026 05:01 PM Document: Tender_Extension_004.pdf Size (KB): 124.03 Publish Date: 11-Mar-2026 11:35 AM │ Bid Opening Date: 22-Apr-2026 03:30 PM Document Download/Sale Start Date: 11-Mar-2026 11:35 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 12:00 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 11:35 AM │ Bid Opening Date: 08-Apr-2026 03:30 PM Document Download/Sale Start Date: 11-Mar-2026 11:35 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 12:00 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]
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Tender_Extension_004.pdf 124.03 PDF
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NIT_004.pdf 153.29 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
Payment instruments Online

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