6 construction firms/consortium have submitted bids for construction of tunneling package DC09 23.622 km Silver Line Through Chhatarpur after the opening of technical bids by Delhi Metro Rail Corporation (DMRC) today.
This stretch of 6.51 km, with twin-tunnel smack-dub in between Step 4 The Silver Line will connect the eastern end of Kishangarh station (chainage 5356.285) via 4 stations at Chhatarpur (interchange with Yellow Line), Chhatarpur Mandir, IGNOU and Neb Sarai with a ramp (chainage 11867,000) to the west of Saket G Block station. .
DMRC invited tenders For this contract – 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. The assigned contractor will have to use at least 5 Tunnel Boring Machines (TBMs).
- afcons infrastructure
- DRA Infracon – HCC JV
- Gulermak Agir Sanay Insat Ve Tahut Aas
- ITD Cementation (ITD Cement)
- Larsen & Toubro (L&T)
- Shanghai Tunnel Engineering Company (STEC)
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. to 11867.000 m. Aerocity to Tughlakabad Corridor of Phase-IV of Delhi MRTS.
The bids have now been sent for technical bid evaluation which may take a few months to complete. When this is done, the financial bids of the technically qualified bidders will be opened to identify who is the lowest bidder and most likely contractor.
The DC-09’s design details such as crossover and ramp locations can be seen here.
With this development, technical bids have been opened for all 3 underground packages of Silver Line. Only Phase 1 of Phase 4 and High Value Civil Tender for Ashram Extension of 28.9 km Janakpuri West-R of Magenta Line is now pending:
For more updates, see Delhi Metro Section