Senbo & ITD awarded Kolkata Metro Barasat Line’s Underground Work

This underground section of the 18.13 km Yellow Line will help in due course linking Noapara with the suburb of Barasat in north-east Kolkata.

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KOLKATA (Metro Rail News): Senbo Engineering and ITD Cementation India last week emerged as the lowest bidders for a 3.6 km underground extension of Kolkata Metro’s 6.87 km Line-4 from Kolkata Airport (Bimanbandar) to New Barrackpore.

This underground section of the 18.13 km Yellow Line will help in due course linking Noapara with the suburb of Barasat in north-east Kolkata. The construction for this line will be carried out using the Cut & Cover method which means no TBMs will be used. Its alignment will primarily run along with Netaji Subhas Chandra Bose International Airport (NSCBI)’s land and includes 2 new stations at Birati and New Barrackpore.

Metro Railway Kolkata had invited tenders in January 2022 in 3 packages which were 2 for tunnelling works and 1 for subway work linking the airport’s terminal.

Package 2

This package includes a 1.045 km C&C tunnel and Birati Station’s construction.

Kolkata Metro’s Estimate for this package was: Rs 286.33 crore

Financial Bid Values:

FirmBid (Rs. Crore)
Senbo Engineering299.76
ITD Cementation307.78
SAM India311.72

The scope of this package includes execution of civil engineering works for construction of underground rcc box tunnel including station building (birati) using diaphragm wall h-pile plunge pile etc and allied works from Ch 8.795 to 9.840 km by cut & cover method (top-down) for two tracks/ multiple tracks in connection with extension of Metro Railway from Noapara to Barasat via Bimanbandar in West Bengal.

Package 3

This package includes a 0.74 km C&C tunnel and New Barrackpore Station’s construction.

Kolkata Metro’s Estimate for this package was: Rs 222.58 crore

Financial Bid Values:

FirmBid (Rs. Crore)
Senbo Engineering232.23
ITD Cementation244.02
SAM India244.49

The scope of this package includes execution of civil engineering works for construction of underground rcc box tunnel including station building (new Barrackpore) using diaphragm wall h-pile plunge pile etc and allied works from Ch 9.840 to 10.580 km by cut & cover Method (top down) for two tracks/ multiple tracks in connection with extension of Metro Railway from Noapara to Barasat via Bimanbandar in West Bengal.

Subway Package

Kolkata Metro’s Estimate for this subway package was: Rs. 48.31 crore

Financial Bid Values:

FirmBid (Rs. Crore)
ITD Cementation47.36
Senbo Engineering50.53

The scope of this package includes execution of civil engineering works for construction of underground rcc box subway, dispersals (entry/ exit facility) and allied works to provide subway connectivity from underground Bimanbandar Station to Terminal Building of NSCBI, Airport (Airport Portion), including finishing, fire suppression & other allied works in connection with the extension of Metro Railway from Noapara to Barasat via Bimanbandar in West Bengal.

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