Afcons infra. & Tata projects emerged as the lowest bidders for DMRC Phase 4 Project

New Delhi, India (Metro Rail Today): Afcons Infrastructure Ltd. and Tata Projects Ltd. (TPL) emerged as the lowest contenders for constructing three underground tunnelling packages (DC-05, DC-07 & DC-08) of the 65.1 km Delhi Metro’s Phase-04 project.

Delhi Metro Rail Corporation (DMRC) had invited bids for all three civil packages in May & June 2021 with a deadline of 42 months (Approx.) financed by Japan International Cooperation Agency (JICA) through an Rs. 8,390 crore ODA loan.

DC-05: Afcons is L1 (Magenta Line’s 7.46 km Derawal Nagar to R.K. Ashram section with six stations)
DC-07: Afcons is L1 (Silver Line’s 6.477 km Sangam Vihar to Tughlakabad section with three stations)
DC-08: Tata Projects is L1 (Silver Line’s 6.11 km Aerocity to Kishangarh section with four stations)

Package DC-05
This 7.46 km underground section connects a ramp north of Derawal Nagar with R.K. Ashram via six Derawal Nagar, Ghanta Ghar, Pulbangash (interchange with Red Line), Sadar Bazar, Nabi Karim & Ramakrishna Ashram Marg (interchange with Blue Line).

The 4th civil package of the Magenta Line’s 28.92 km Janakpuri West – R.K. Ashram extension. Other packages are 12.375 km DC-01, 7.473 km DC-03R, 2.03 km underground DC-06 – all of which are under construction.

Project’s Scope: Design and Construction of Twin Tunnel with TBM shield, Tunnel by Cut & Cover, Derawal Nagar underground ramp and six subway stations. Derawal Nagar, Ghanta Ghar, Pulbangash, Sadar Bazar, Nabi Karim and Ramakrishna Ashram Marg including Architectural Finishing, water supply, sanitary installation, drainage services at Janakpuri stations west to R.K. Ashram Corridor (Line-8 Ext.) Section 04 of Delhi MRTS.

Package DC-07
The 6.981 km section on the east side of the Silver Line 23.622 km will connect the eastern area of ​​Sangam Vihar Station and Sarita Vihar Depot with three stations at Maa Anandmayee Marg, Tughlakabad Railway Colony, and Tughlakabad, where it will build an intersection with Violet Lines.

The DMRC had previously estimated that it would cost Rs. 1365.51 crore, but that had only reached Tughlakabad Station. The range of the package now includes tunnels up to the existing Sarita Vihar Depot, which will be added to stabilize and maintain Silver Line train tracks.

Technical bids were opened in August to identify six applicants. During the technical testing, HCC – JMC JV and STEC were released.

Project’s Scope: Design and Construction of Underground Tunnels UP & Down by Shield TBM from the end of the Cut & Cover tunnel near Sangam Vihar metro Station to the existing depot at Sarita Vihar, Underground Ramp and Cut & Cover Tunnels near Sangam municipal station Vihar and Tughlakabad municipal station and Underground Metro Stations. Maa Anandmayee Marg, Tughlakabad Railway Colony and Tughlakabad including Retrieval / Launch shafts in the Terhlakabad Aerocity Tughlakabad tunnel of Delhi MRTS Project Phase-04.

Package DC-08
The Aerocity – Kishangarh 6.116 km section is located on the western edge of the 23.622 km Silver Line and has four stations in Aerocity, Mahipalpur, Vasant Kunj and Kishangarh.

The DMRC has previously indicated that this section will cost Rs. 1349.37 crore.

Project’s Scope: Design and Construction of Twin Tunnel (Up & Down Line) with Shield TBM, Cut and Cover Tunnel Box and four underground channels Aerocity, Mahipalpur, Vasant Kunj and Kishangarh with a trail and a connection from the chainage 760 mt. to 5356.285 mt. of Aerocity to Tughlakabad Corridor of Phase-IV of Delhi MRTS.

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