CHENNAI (Metro Rail News): Chennai Metro Rail Limited (CMRL) has announced ETA Engineering Pvt Ltd as the lowest bidder for the electrical, plumbing, fire protection, and VAC works contract for Corridor 3 of Chennai Metro Phase II. The 45.8 km corridor connects Madhavaram to SIPCOT 2.
CMRL invited bids for the contract with a completion deadline of 2,170 days. The technical bids were opened on 30 April 2025, revealing that four firms had submitted proposals. Technical evaluation was conducted on 9 October, followed by the opening of financial bids for the technically qualified bidder on 10 October. Upon completion of the financial evaluation, ETA Engineering emerged as the lowest bidder for the contract.
Financial Bid Values
| Firm | Bid Value |
| ETA Engineering | ₹ 255.2 Cr |
| Blue Star Limited | ₹ 298.6 Cr |
| Jakson Limited | ₹ 294 Cr |
| Universal Mep Projects & Engineering Services | ₹ 284.8 Cr |
Contract’s Scope of Work: Supply, Installation, Testing, Commissioning and Training of Electrical, Plumbing, Fire Protection and VAC Works for 9 Underground stations and 10 Elevated stations from R.K Salai station to Sholinganallur station including bored tunnel & viaduct between the stations, Cut & Cover tunnel, U Section and Elevated ramp (Ch. 17250.000 To Ch. 35437.030) For Corridor-3 of Chennai Metro Rail Project Phase II.
Phase 2 of the Chennai Metro, covering a total length of 118.9 km, consists of three new metro corridors.
| Line | Route | Elevated Length | Underground Length | Total Length |
| Line 3 ( Purple Line) | Madhavaram – SIPCOT 2 | 19.1 km | 26.7 km | 45.8 km |
| Line 4 (Orange Line) | Light House – Poonamallee Bus Depot | 16 km | 10.1 km | 26.1 km |
| Line 5 (Red Line) | Madhavaram – Sholinganallur | 41.2 km | 5.8 km | 47 km |
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