Delhi Metro Rail Corporation (DMRC) today invited tenders to construct the middle underground section of the Delhi Metro Phase 4’s new 23.622 km Silver Line which will connect Aerocity to Tughlakabad via 16 stations.
This 6.51 km section – part of Package DC-09 – connects Kishangarh Station’s east-end (chainage 5356.285) with a ramp (chainage 11867.000) west of Saket G Block Station, via 4 stations at Chhattarpur (interchange with Yellow Line), Chhattarpur Mandir, IGNOU and Neb Sarai.
This is Silver Line’s 3rd JICA-funded package and overall 4th (and final) civil package for which a tender notice has been published. Prior to this, elevated package DC-04 (Sangam Vihar – Saket G Block) was awarded to YFC Projects, while bidding is underway for underground package DC-08 (Aerocity – Kishangarh) and package DC-07 (Sangam Vihar – Sarita Vihar Depot)
Brief Scope: Design and Construction of Twin Tunnel (Up & Down Line) by Shield TBM, Cut and Cover Tunnel box, Underground Ramp and four Underground stations namely Chhattarpur, Chhattarpur Mandir, IGNOU and Neb Sarai with Entry/Exits & Connecting subways from chainage 5356.285 mtr. to 11867.000 mtr. of Aerocity to Tughlakabad Corridor of Phase-IV of Delhi MRTS.
- Completion Period: 42 months
- Pre-Bid Meeting: 20.05.2021 at 1100 hrs
- Bid Submission End Date: 21.06.2021 at 1500 hrs
- Technical Bid Opening Date: 22.06.2021 at 1500 hrs
DMRC had previously estimated this section to cost Rs. 1427.872 crore.
4 interesting callouts mentioned in the tender’s detailed scope and alignment document:
- DMRC requires the assigned contractor to use 5 tunnel boring machines (TBMs)
- A crossover will be built east of Kishangarh Station to allow trains to switch tracks
- Underground station box at Chhatarpur will come up just south of the existing Yellow Line’s elevated station (rail level at 24.59m)
- Ramp to/from DC-04 elevated section will be built inside Hauz Rani City Forest
With this development, now just 1 high value civil tender notice is pending for the Magenta Line’s 28.9 km Janakpuri West-R K Ashram extension.
|Package DC-05: Derawal Nagar to RK Ashram, 7.46 km underground section with 6 stations||Tender Notice Pending|
|Package DC-08: Aerocity to Kishangarh, 6.11 km underground section with 4 stations||Bids Invited in April|
|Package DC-09: Kishangarh to Ramp west of Saket G-Block, 6.51 km underground section with 4 stations||Bids Invited Today (this post)|
|Package DC-07: Sangam Vihar to Sarita Vihar Depot, 6.981 km underground section with 3 stations||Bids Invited on Monday|
DMRC in November updated Silver Line’s station count to 16 stations and in DC-08’s tender drawings indicated the Aerocity – IGI section is part of “Part of Phase IV contract”, so we might see a relatively low-value tender notice in the future for constructing tunnels and a station at IGI Terminal 1.
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