Delhi Metro’s Grey Line Connecting Dwarka–Najafgarh 90 Per Cent Complete; Operations To Start From September

The Delhi Metro Rail Corporation (DMRC), in a bid to cover more areas under its network, has started work on Najafgarh-Dhansa stretch which lies on the Dwarka-Najafgarh-Dhansa Stand corridor, Metro Rail News has reported.

“The TBM (Tunnel Boring Machine) will bore a 700 m long tunnel between Najafgarh and Dhansa Stand on the up line and the same machine will be subsequently used for tunnelling on the down line between the same stations. The entire tunnelling work on both the up and down lines will be completed by September 2019″ a DMRC official was quoted in the report as saying.

According to the report, the total distance between Najafgarh and Dhansa Stand is 1.2 km and the entire stretch will be underground. The TBM will be used to complete 700 metre of tunnelling.

Rest of the underground work will be done by the cut and cover technology in which the excavation is done for the construction area is excavated and then covered again.

This section will be an extension of the 4.295 km long Dwarka-Najafgarh metro corridor which is also known as grey line. The work for this section was formally awarded in 2017 and the expected date for completion of the project is December 2020.

As per the report, more than 90 per cent of work on the grey line has been completed and its passengers services are expected to start by September this year.