The closure of the cofferdam in the first phase of Hainan Longtang Dam Project successfully helped the construction of a free trade port

2022-06-21 0 By

The picture shows the first phase cofferdam closure of Longtang Dam Project in Nandujiang River.The diagram provided by the Fourth Bureau of Hydropower is that the first phase cofferdam closure of Longtang Dam hub reconstruction project of Nandujiang River has been successfully realized.Xining, March 30 (QI Zhanbei, Hu Huan)29, the reporter learned from the Fourth Engineering Bureau of China Water resources and Hydropower Co., LTD. (hereinafter referred to as “The fourth Bureau of Hydropower”), on That day, the reconstruction project of Nandujiang Longtang Dam hub in Haikou City, Hainan Province, built by the bureau successfully completed the first phase cofferdam closure.It marks that the transformation project of Nantu River Longtang Dam Hub has officially entered the construction stage, and is expected to be completed and put into use on February 28, 2025.Hydropower fourth company party secretary of north China bao-ping pang, haikou nandu river dam at hub project is 2020-2022 national key to promote one of the 150 major water conservancy project, and hainan province nandu river basin water ecological civilization construction and comprehensive control of one of the key water project of overall scheme.It is understood that Longtang Dam was built in 1969, is a collection of urban water supply, agricultural irrigation, flood control, drainage and power generation operation as one of the comprehensive hub project, located in the lower reaches of the main stream of the Nandu River, 0.7 km away from Longtang Town, 29 km away from Haikou City, is the main water source of Haikou city and Jiangdong New Area.It not only undertakes 50% of the water supply of haikou city’s main urban area and 80% of jiangdong New Area, but also undertakes ecological water replenishment tasks for farmland and inland rivers on both sides.The picture shows the site of cofferdam closure of Longtang Dam Hub in Nandujiang River.For hydropower fourth figure water hall of hainan province party member Chen De her honey haired, said tong dam completed and put into operation since 1971, and consolidate, although many times but still hold the baptism of history gradually appear safe hidden trouble, in addition, due to dam up at upstream flood levels, increased the anding county flood control and drainage areas such as pressure.On December 13, 2021, the reconstruction project of Longtang Dam hub of Nandujiang river officially started. The project consists of sluice, diversion sluice, power station, fishway, irrigation diversion canal and so on.Hainan province haikou city water department researcher Liu Bao said: “after the project can improve haikou city and jiangdong district water supply security ability, reduce the pressure of dragon shuitangba upstream regional flood control and drainage, and become haikou city water conservancy construction and iconic landmark tourism node, hainan will better service the free trade port construction.””In order to ensure downstream irrigation and farmers’ demand for water supply, the construction method of diversion and interception will be adopted in stages, which is also the focus and difficulty of the project.”Through China’s hydropower dam at hub transformation project site Zhang Shengbao, head of the department of hainan province is introduced, a total length of 624.5 meters, stage cofferdam axis to ensure smooth and successful nandu river dam at the closure and ensure the safety of flood control, project department combining hydrology, climate and geological conditions, using during February to may dry season in hainan gold stage, a stage cofferdam filling,It has laid a solid foundation for the construction of subsequent projects.Disclaimer: This article is reproduced for the purpose of passing on more information.If the source is wrong or violated your legitimate rights and interests, please contact the author with proof of ownership, we will promptly correct, delete, thank you.Email address: newmedia@xxcb.cn