Colombo, Sep 09 (BAN/ AD): Under the patronage of Patali Champika Ranawaka, Minister of Megapolis and Western Development construction work of the underground New Mutwal Storm Water Drainage Tunnel in Colombo North has commenced.
The estimated cost of project is Rs. 3.45 billion which is funded by the World Bank under the Metro Colombo Urban Development Project (MCUDP). As per plan 2 underground tunnels, one in Mutwal area to control floods in Colombo North and other one in Torrington area in order to mitigate floods will be constructed.
New Mutwal Tunnel lined with a thick concrete inner layer is 3 meters in diameter and 760 meters long. The capacity through the tunnel is 15 cubic meters (15000 liters) per second.