Tunnel No 12 of Lumding completed

Tunnel No.12 of Lumding–Silchar GC project completed

Silchar (SCL): In a major feat of 2013–14, the Construction Organisation of N.F.Railway has successfully completed work for yet another tunnel, tunnel No. 12 in the Lumding – Silchar gauge conversion which is an important milestone. The length of the tunnel is 590 mt and is situated between chainage 113094m & 113684m. on Jatinga–Lumpur–Harangajao section. This D shaped tunnel is 5.20 mt. width in straight alignment & 5.53 mt. in curved alignment. The work of this tunnel was started in 2006 & due to several Geological Problems; work did not progress well initially. However during 2012–14, the work of remaining portion of the tunnel could progress well & now it has been opened. The balance work of tunnel i.e. benching, lining & invert will be completed by July 2014 & this tunnel will be available for track linking by August 2014.

This is one of the 17 tunnels in the entire alignment of Lumding–Silchar gauge conversion project having total of 11168 running meters out of which with tunnel no.12 tunneling work for 10486 mt. has been completed. The longest and most difficult tunnel in the section is tunnel no.10 at Haflong which is 3235 mt. in length work in which is progressing satisfactorily.

Other works like land acquisition, earth filling, construction of major and minor bridges, road over bridge, road under bridge, station buildings etc are going on satisfactorily. Track linking is also in progress. Present overall progress of work is 80%. This was stated in a press release.