Afcons and TATA won the underground work of Delhi Metro Phase 4

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Afcons Infrastructure and Tata Projects Ltd (TPL) today emerged as the lowest bidder for the construction of 3 underground tunneling packages (DC05, DC07 and DC08). 65.1 km Delhi Metro Phase 4 Project,

The Delhi Metro Rail Corporation (DMRC) had invited bids for all the 3 civil packages in May and June 2021 with a time limit of 42 months. Funded by JICA 8,390 crore through ODA loan.

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  • DC-05: Afcons is L1 (7.46 km from Deraval Nagar to RK Ashram section of Magenta line with 6 stations)
  • DC-07: Afcons is L1 (6.477 km of Silver Line from Sangam Vihar to Tughlakabad section with 3 stations)
  • DC-08: Tata Projects is L1 (6.11 km Aerocity to Kishangarh section of Silver line with 4 stations)

Package DC-05

This 7.46 km underground section is north of Derawal Nagar with RK Ashram via 6 stations Derawal Nagar, Ghanta Ghar, Pulbangash (interchange with Red Line), Sadar Bazar, Nabi Karim and Ramakrishna Ashram Marg (interchange with Blue Line). ) adds.

This is the fourth (and final) civic package of the 28.92 km Janakpuri West-RK Ashram extension of the Magenta Line. Other packages 12.375 kms. Huh DC-01, 7.473 km DC-03R, 2.03 km Underground DC-06 – All are under construction.

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DMRC had earlier estimated the cost of the DC-05. 2444.828 crores, but I am not sure if it is still operational. technical bid opened To reveal 4 bidders in September.

financial bid results

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StrongBid (Rs. in crore)
afcon2481
ITD KEM2547
gulermaki3445
L&T3475

short range: Design and Construction of Twin Tunnel by Shield TBM, Tunnel by Cut and Cover, Underground Ramp at Derawal Nagar and Six Underground Stations viz. Derawal Nagar, Ghanta Ghar, Pulbangash, Sadar Bazar, Nabi Karim and Ramakrishna Ashram Marg including Architectural Finishing, Water Supply, Sanitary Installation, Drainage Works of Stations of Phase-IV of Janakpuri West to RK Ashram Corridor (Line-8 Extension) . Delhi MRTS.

DelhiMetroDC05Map Kolkata Metro
Alignment of Package DC-05 of Delhi Metro Magenta Line – Step 4 View Route Map with exact locations of all stations

The assigned contractor will have to use at least 4 Tunnel Boring Machines (TBMs). The DC-05’s design details such as crossover and ramp locations can be seen here,

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Package DC-07

It is on the eastern side of the 6.981 km stretch. 23.622 km Silver Line The eastern end of the Sangam Vihar station and the Sarita Vihar depot will be connected to Maa Anandamayee Marg, Tughlakabad Railway Colony and Tughlakabad via 3 stations, where it will form an interchange with the station on the Violet Line. phase 2,

DMRC had earlier estimated that it would cost Rs. 1365.51 crore, but that was only till Tughlakabad station. The ambit of the package now includes tunnels up to the existing Sarita Vihar depot, which will be extended to stabilize and maintain Silver Line train-sets,

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technical bid opened To reveal 6 bidders in August. During technical evaluation, HCC-JMC JV and STEC were disqualified.

financial bid results

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StrongBid (Rs. in crore)
afcon1669
ITD KEM2070
gulermaki2254
L&T2412

short range: Design of Underground UP and Down Tunnels by Shield TBM from end of Cut and Cover Tunnel near Sangam Vihar Metro Station to existing Sarita Vihar Depot, Underground Ramp and Cut and Cover Tunnel near Sangam Vihar and Tughlakabad Metro Stations and Underground Metro Stations and Nirman at Maa Anandmayee Marg, Tughlakabad Railway Colony and Tughlakabad including retrieval/launching shafts on Aerocity Tughlakabad corridor of Delhi MRTS project of Ph-IV.

DelhiMetroSilverLineDC07Map Kolkata Metro
Alignment of Package DC-07 of Delhi Metro Silver Line – Step 4 View the route map and information

Design details of the DC-07 such as the crossover location and TBM launching shaft can be seen here,

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Package DC-08

It is at the western end of the Aerocity-Kishangarh section of 6.116 km. 23.622 km Silver Line And it includes 4 stations at Aerocity, Mahipalpur, Vasant Kunj and Kishangarh.

DMRC had earlier indicated this section to spend Rs. 1349.37 crores, but I am not quite sure it is still the current value. technical bid opened To reveal 7 bidders in August. During technical evaluation, STEC was disqualified.

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financial bid results

StrongBid (Rs. in crore)
Tata Projects1734
ITD KEM1737
J Kumar Infraprojects1859
afcon1875
gulermaki2305
L&T2333

short range: Design & Construction of Shield TBM, Cut & Cover Tunnel Box and Twin Tunnel (Up & Down Line) by four underground stations namely Aerocity, Mahipalpur, Vasant Kunj and Kishangarh, Chainage (-) 760 mtrs for entry/exit and connecting subways with. to 5356.285 m. Aerocity to Tughlakabad Corridor of Phase-IV of Delhi MRTS.

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DelhiMetroSilverLineDC08Map Kolkata Metro
Symbolic Alignment of Package DC-08 of Delhi Metro Silver Line – Step 4 View the route map and information

With regard to the design details of the DC-08 such as the crossover location, the TBM launching shaft and the design of the Aerocity station, upcoming Delhi-Alwar RRTS Line, It is possible seen here,

DMRC’s current estimates for all 3 packages are unknown, so I can’t get an idea of ​​how Afcons and Tata’s bidding goes and what the next steps look like. They all seem “high” according to an industry source.

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If these are within the acceptable limits of DMRC, then we should be awarded the contracts by the end of the year, with the basic groundwork to start in the first quarter of 2022 and the actual construction work in Q2 2022.

With this development, financial bids have been opened for 3 of the 4 JICA-funded underground packages of Phase 4.

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Citizen packageSituation
Package DC-05: Derawal Nagar to RK Ashram, 7.46 km underground section with 6 stationsAfcons Infra is the lowest bidder (post this!)
Package DC-08: Aerocity to Kishangarh, 6.11 km underground section with 4 stationsTata Projects is the lowest bidder (this post!)
Package DC-09: Kishangarh to Saket G-Block, 6.88 km underground section with 4 stations6 Bids Received – Technical Bid Evaluation In progress
Package DC-07: Sangam Vihar to Tughlakabad, 6.477 km underground section with 3 stationsAfcons Infra is the lowest bidder (post this!)

For more updates, see Delhi Metro Section or mine home page,

– TMRG

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