[Improvement to existing sewerage system under Nesapakkam STP catchment area SW 04 Rehabilitation and upgradation of existing Sewage pumping stations, Rising main, E and M works and SCADA system in Areas 9 10 13 and Central Command Centre at CMWSSB] open

CMWSSB-World Bank/ADB tenders

Ref: CNT/UGSS/NCB/ADB/005/2025-26 · ID: 2026_WBAT_673098_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

This tender is issued by the CMWSSB under the World Bank/ADB tenders for the improvement of the existing sewerage system in the Nesapakkam STP catchment area. The scope includes rehabilitation and upgradation of sewage pumping stations, rising main, electrical and mechanical works, and SCADA system implementation in specified areas of Chennai.

Scope / Work

The work involves comprehensive improvements to the sewerage system, specifically targeting the following:

  • Rehabilitation and upgradation of existing sewage pumping stations.
  • Installation of rising mains and E&M works.
  • Implementation of a SCADA system for effective monitoring and management.

Bidders are required to refer to the tender documents for detailed specifications and pre-qualification requirements. A pre-bid meeting is scheduled to clarify any queries.

Fees & EMD

  • Tender Fee: There is no tender fee applicable for this bid.
  • EMD (Earnest Money Deposit): The EMD is set at ₹10,900,000. No exemptions are allowed for this fee, and it must be submitted as a fixed amount.

Bidders should ensure that the EMD is submitted in the required format to avoid disqualification.

Key Dates

  • Publish Date: 11-Mar-2026
  • 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
  • Pre-Bid Meeting: 12-Mar-2026, 11:00 AM at the 4th floor tender opening hall.

Bidders must adhere to the timelines strictly, as late submissions will not be entertained.

AI insights

Risk factors

  • high EMD size
  • strict bid validity of 180 days
  • no tender fee exemption
  • tight submission timeline

Financials

Tender value Undisclosed
EMD amount ₹1,09,00,000 — 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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Bid_Documents_Vol_I_II_IV_and_V_005.rar 29.65 MB RAR

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BOQ_808926.xls 827 KB XLS
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Tender_Extension_005.pdf 203.61 KB PDF
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NIT.pdf 154.72 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_673098_1 Tender Ref No : CNT/UGSS/NCB/ADB/005/2025-26 Tender Title : Improvement to existing sewerage system under Nesapakkam STP catchment area SW 04 Rehabilitation and upgradation of existing Sewage pumping stations, Rising main, E and M works and SCADA system in Areas 9 10 13 and Central Command Centre at CMWSSB Corrigendum Type : Date [Corrigendum:2] Corrigendum title: Tender Extension Notice Description: Tender Extension Notice Published: 07-Apr-2026 04:57 PM Document: Tender_Extension_005.pdf Size (KB): 203.61 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]
File Size Type Action
Tender_Extension_005.pdf 203.61 PDF
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NIT.pdf 154.72 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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