Metros Tenders

6 Bidders for Chennai Metro Line-4’s Underground VAC & TVS Contract


Six firms on Monday bid for Chennai Metro Line-4’s ventilation and air conditioning (VAC), tunnel ventilation system (TVS), electrical and SCADA contract after Chennai Metro Rail Ltd. (CMRL) opened technical bids.

26.09 km long Line-4 of the 116.1 km Chennai Metro Phase 2 project will connect Light House – Poonamallee Bypass through 30 stations. It will consist of a 10 km underground section with twin tunnels connecting Power House Ramp – Light House Station.

The scope of this contract C4-VAC&TVS-12 includes system works at 8 of its 10 underground stations located at Light House, Kutchery Road, Alwarpet, Bharatidasan Road, Boat Club, Nandanam, Panagal Park, and Kodambakkam. All of these stations are under construction by ITD Cementation India as part of packages UG-01 (5.15 km) & UG-02 (4.87 km) awarded in January 2022.

CMRL had invited tenders for this systems contract in October 2023 with an unknown estimate and 1160 day (3.17 year) completion deadline.


  • ABS Fujitsu General Pvt. Ltd.
  • Blue Star Ltd.
  • EFKON India Pvt. Ltd.
  • ETA Engineering Pvt. Ltd.
  • Larsen & Toubro Ltd.
  • Universal MEP Projects & Engineering Services Ltd. (subsidiary of Voltas)

CMRL’s Brief Scope: Design verification & validation, supply, installation, testing, commissioning, supply of spares & special tools, operations and maintenance during two (02) years defect liability period (DLP) andfive (05) years comprehensive annual maintenance contract (CAMC) of ventilation and air conditioning (VAC), tunnel ventilation system (TVS), associated electrical and integrated SCADA works for eight (08) underground stations in corridor-4 (C4) from Lighthouse to Kodambakkam Station, including C4 related TVS SCADA works at Thirumayilai Station and integrated station management systems (ISMS) at OCC and BOCC

CMRL’s May 2023 updated Chennai Metro Phase 2 Map – view Phase 2 information & route map

The bids have now been sent for technical bid evaluation which can take a couple months to complete. When that is done, the financial bids of the technically qualified bidders will be opened to reveal who’s the lowest bidder and most likely contractor.

The construction of Thirumayilai Station (interchange of lines 3 &4) was awarded to RVNL in June 2023 as part of Package UG04-RT01, so I reckon its VAC & TVS work will be done as part of Line-3’s system works.

A list of all Chennai Metro Phase 2 civil & system packages and their status can be viewed here.

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