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A maintenance schedule has been made to produce electricity from the largest 456 MW upper Tamakoshi among the hydropower projects in operation by the 10th of January.
The landslide caused by the incessant rains on October 11th and 12th caused great damage to the structure (headwalks) of the dam area of Upper Tamakoshi hydropower station located in Bigu rural municipality-1 Lamabagar of Dolakha. A little below the dam site, the control room (control room) building, the sand thickening pool (desander) and the underground canal (culvert) that conveys water from the dam to the desander were heavily damaged.
Out of the two desanders, the maintenance of the desander on the left side has been completed by the 10th of January and the schedule has been set to start generating electricity. For this, the old slope of Desander wall, which is partially damaged, will be demolished and repaired. Likewise, the grouting of cracks seen on the wall and ceiling of the culvert will be carried forward in parallel.
Another descender on the right is designed to be repaired and the control room currently on the surface is designed to be underground. The goal is to complete this work before the start of the next rainy season . The maintenance of one tower of the transmission line of the project which has been damaged by rain has been completed . The promoter company of the
project is Upper Tamakoshi Hydropower Ltd. A team including Kulman Ghising, executive director of Nepal Electricity Authority, who is also the chairman of the board of directors, members of the company's board of directors, and the chief executive officer (CEO) conducted an on-site monitoring of the project on Wednesday and got information about the ongoing maintenance. The
team discussed with the project management, consultants and construction professionals to start the electricity generation within 10 days and within 15 days after that, the schedule has been set to complete the maintenance and maintenance. The project can be run at full capacity for 4 hours during the peak time by collecting water during low electricity demand .
If the power plant cannot be operated during winter, the management of electricity demand and supply is challenging internally, so the team of the board of directors went to the on-site inspection to determine the measures to be taken to bring the power plant into operation as soon as possible.
Executive Director Ghising urged everyone to be serious and sensitive about the maintenance as there will be a difficult situation if electricity cannot be produced from Upper Tamakoshi at the specified time. "Until next March, electricity import permission from India only during the day and night" It is difficult for the domestic production to meet the electricity demand in winter evening and morning (peak time), Even at night in March and April We have not received permission to import, in such a situation, if the upper Tamakoshi that can be picked does not come, it will be a difficult situation," said Ghisingh .
'Let's proceed with the maintenance of the right-side desander before the start of the next rainy season Due to incessant rains, the power generation was stopped from 7 pm on October 11 due to high water flow in the Tamakoshi River. All the gates of the dam were opened. Because of this, the potential damage to the project's structure was prevented. Mohan Prasad Gautam, CEO of
company, said that after taking all possible measures for maintenance, work is being done to start power generation as per the schedule.
