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Tunnel boring machine beats performance goal

Dec 6, 2017-the primary ever tunnel dull machine (tbm) brought to nepal dug approximately 28 metres into the hills at the construction web site of the bheri babai diversion multipurpose task on monday, delighting venture officers who had anticipated development of approximately 15 metres each day.

If the tbm goes on digging at this pace, the 12-km tunnel can be completed inside 15 months, and the challenge may be completed before its march 2020 cut-off date.

“the project commenced the usage of the tbm to dig the tunnel on november6, and first of all it turned into shifting ahead slowly as machine operators exceptional-tuned the gadget. however, the dull system is appearing very correctly presently,” stated rukmagat khanal, senior divisional engineer on the assignment office.

Consistent with shiva kumar basnet, leader of the multipurpose mission, the office has revised the goal to twenty metres of tunnel daily and is planning to finish it within two years.

The tbm has a 5-metre diameter and is 250 metres lengthy. it is being used to digThe tunnel through which water from the bheri river might be diverted to the babai river to irrigate farmland and generate power.

The bheri babai multipurpose diversion challenge is a country wide pride undertaking positioned at bheri-ganga municipality in surkhet district in western nepal. it's going to have a 15-metre-high dam and divert 40 cubic metres of water in step with 2nd from the bheri river to the babai river. the water will be used to irrigate fifty one,000 hectares of land spherical the year in banke and bardiaDistricts. the challenge can even generate forty eight mw of strength. the irrigation-cum-hydroelectric project is one of the strategic projects of the united states of america, as it is expected to ease the food crisis within the mid-western region via increasing agricultural yield.

Some of the salient features of the project are smooth get right of entry to to the road network, fewer environmental hazards, much less use of water from the bheri river and little poor effect inside the vicinity of the dam site.

Additionally, the challenge calls for best30 hectares of land to construct the dam.

The authorities had invited bids for the development of the task in july 2012, but lack of resources and delays in the appointment of a contractor prevented the 4-yr project from getting off the ground.

The construction of the undertaking turned into sooner or later inaugurated in april 2015 by way of the then high minister, the past due sushil koirala. the total cost of the challenge is predicted to be round rs16 billion.

It's miles expected to make an oblique economicContribution of rs3.1 billion to the nation, and an immediate sales contribution of rs2.1 billion via income of energy.


Posted: 06-12-2017 08:28


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