Geological difficulties slowing tunnel excavation work.
Five people have been stricken with the rare, rode… Kathmandu, July 6 The Melamchi Water Supply Development Board has said it may take additional few months to supply water supply to Kathmandu Valley due to geological problem in tunnel excavation.
“It is almost certain that the project will miss its October deadline due to difficulties in tunnel excavation,” Devkota told The Himalayan Times, adding that they were also unable to set a new deadline as it is uncertain when the tunnel excavation work would be completed.
A few days ago, the board had confirmed that it will not be able supply water to Kathmandu Valley by October this year.
The Melamchi project’s first deadline expired in 2007 and second in 2016.
The project deadline was then extended to October 2017.
Given the current rate of tunnel excavation, it may still take four months to complete tunnel excavation work.
According to the project, it will take another three months to complete the remaining work after tunnel breakthrough.
The Melamchi project envisages supplying 510,000,000 litres of water per day to the Valley from the Melamchi, Yangri, and Larke rivers of Sindhupalchowk district.
The current daily demand of water in Kathmandu Valley is around 370,000,000 litres, while daily supply stands at 110,000,000 litres per day.