When measured at 8 pm on Sunday, the flow has decreased to 519,470 cusecs. But since the risk still exists, people living around the river have been asked to be cautious.
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Due to heavy rains, the flow of water in the Saptakoshi river, which has continuously increased since Saturday evening, has stabilized at over 500,000 cusecs on Sunday. The flow of water which was measured at 19360 cusecs at 8 pm on Saturday had reached 431 thousand 525 cusecs by 9 am on Sunday morning.
After the flow of the river increased to three times the danger level, even when all the 56 gates of the barrage were opened, the flow of water increased to 5 lakh 10 thousand 960 cusecs by 11 am. As soon as the flow reaches 150,000 cusecs, red flags and lights are lit as a sign of danger.
By 1:00 p.m., traffic was resumed when the flow remained stable. From 2 o'clock in the afternoon, the flow increased again and by 3 o'clock it reached five lakh 33 thousand 540 cusecs. When measured at 8 pm on Sunday, the flow has decreased to 519,470 cusecs. However, Chief District Officer Tuvaraj Pokharel asked the people living around the river to exercise caution as the risk still remains. "Except for emergency, everyone is asked to stay safe at home", he said.
When the barrage was built in 1962, a flow capacity of 950,000 cusecs was maintained. At that time, there was no sand in the river and when it had a flow capacity of 950,000 cusecs, six years after its construction, on October 5, 1968, the highest flow of 9,13,000 cusecs was measured. At that time, the Koshi bridge was also damaged. But there was no damage.
After that, the excessive flow was measured at 590,500 cusecs on August 12, 1990. From October 5, 1968 to August 12, 1990, the data of the barrage administration has recorded a flow of less than 500,000 cusecs and more than 150,000 cusecs.
The last time last year when the water flow was 661 thousand 995 cusecs, the water flowed over the bridge and caused minor damage to the bridge. Indian technicians say that even though the bridge has been repaired at the damaged place, the risk remains as the flow capacity has decreased due to the accumulation of sand in the river.
065 On August 2, when the water flow was 160,562 cusecs, the eastern embankment at Kushah, west of Sunsari, collapsed. At that time, 42,000 people from Sripur Jabdi, Haripur and Laukhi gavis along with the then West Kusha of Sunsari were left homeless, while a dozen districts of neighboring India, Bihar, were submerged.
