afcons wins dc-09 underground work of delhi metro phase 4



Afcons Infrastructure today emerged as the lowest bidder for Tunneling Contract DC09 Delhi Metro’s Silver Line Through Chhatarpur after opening of financial bids by Delhi Metro Rail Corporation.

This stretch of 6.51 km, with twin-tunnel smack-dab in between Phase 4 of the Project The new 23.622 km Silver Line, via 4 stations at Chhatarpur (interchange with Yellow Line), Chhatarpur Mandir, IGNOU and Neb Sarai, extends east-end (chainage 5356.285) of Kishangarh station to one ramp (chainage) to the west of Saket G Block station. 11867,000).


DMRC did invited tenders For this package – financed by JICA – in May 2021 with a 42-month deadline and an undisclosed estimate. He had earlier estimated that it would cost Rs. 1427.872 crores, but I am not sure if it is still operational.

financial bid results

strongBid (Rs. in crore)
DRA-HCC Joint Venturedisqualified

short range: Design and Construction of Shield TBM, Cut & Cover Tunnel Box, Underground Ramp and Twin Tunnel (Up & Down Line) by four underground stations namely Chhatarpur, Chhatarpur Mandir, IGNOU and Neb Sarai, with entry/exit from chainage and connecting subways 5356.285 m. From Aerocity to Tughlakabad Corridor of Phase-IV of Delhi MRTS up to 11867,000 meters.

DelhiMetroSilverLineDC09Mapb Kolkata Metro
Alignment of Package DC-09 of Delhi Metro Silver Line – Step 4 View Route Map with exact locations of all stations

The DC-09’s design details such as crossover and ramp locations can be seen here,


The DMRC’s current estimate for the DC-09 is unknown, so I can’t gauge how Afcons bidding goes and what the next steps look like.

If it is within the acceptable limits of DMRC, we should be awarded a contract in the second quarter of 2022 with construction work early next year. When awarded, AFCONs will be required to use at least 5 Tunnel Boring Machines (TBMs).


With this development, financial bids have been opened for all 4 JICA-funded underground packages of Phase 4, of which Afcons won 3. So far no one has received the award. see list of all Step 4 Packages and their status here,

Citizen packageEvent
Package DC-05: Derawal Nagar to RK Ashram, 7.46 km underground section with 6 stationsAfcons Infra is the lowest bidder
Package DC-08: Aerocity to Kishangarh, 6.11 km underground section with 4 stationsTata Projects is the lowest bidder
Package DC-09: Kishangarh to Saket G-Block, 6.88 km underground section with 4 stationsAfcons Infra is the lowest bidder (post this!)
Package DC-07: Sangam Vihar to Tughlakabad, 6.477 km underground section with 3 stationsAfcons Infra is the lowest bidder

For more updates, see Delhi Metro section or my home page,





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