MMRDA Re-Issues Tender for Mumbai Metro Line 4’s Rolling Stock & Signaling Contract CA-234

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MUMBAI (Metro Rail News): The Mumbai Metropolitan Region Development Authority (MMRDA) has once again opened bids for supplying critical systems for Mumbai Metro’s Line 4 & Line 4A (Green Line), covering a total stretch of 35.2 km, under Package CA-234.

This decision follows a significant development occurring precisely two years after Alstom Transport, originally awarded Line 4’s rolling stock contract MRS2 and signaling contract CA72, withdrew from the project in 2022 due to sluggish progress in civil construction, particularly the unresolved location of the line’s train depot at that time.

The new tender notice for Line 4’s major systems entails the provision of rolling stock (39 trains, each comprising 6 coaches, totaling 234 coaches), CBTC signaling & train control (S&TC), telecommunication, platform screen doors (PSDs), and depot machinery & plant (M&P) for Mogharpada Depot.

Germany’s KfW will finance the design and build aspect of this contract, with a loan amounting to EUR 545 million, spread over a duration of 168 weeks (approximately 3.22 years). MMRDA will cover the comprehensive maintenance component for a period of 17 years, including a Defects Liability Maintenance Period (DLP) of 2 years.

Key Details:

  • Estimated Cost: Rs. 4297.49 crore
  • Contract Period: 2 + 17 years
  • Pre-Bid Meeting: March 27, 2024, at 11 am
  • Bid Submission Deadline: May 20, 2024, at 2 pm
  • Technical Bid Opening: May 21, 2024, at 3 pm

MMRDA’s Scope: The project encompasses the design, manufacture, supply, installation, integration, testing, and commissioning of Rolling Stock, Communication Based Signaling & Train Control, Telecommunication, Platform Screen Doors Systems, and Depot Machinery & Plant. Additionally, it includes 15 Years of Comprehensive Maintenance following a 2-Year Defect Liability Maintenance Period for Line 4 and its Extension Corridor (4A) [Wadala – Kasarvadavali – Gaimukh] of the Mumbai Metro Rail Project under MMRDA’s jurisdiction.


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