President of the Republic of Tajikistan

Working tour to Rogun hydropower plant

10.05.2017 14:54, Roghun city

This morning, the Founder of Peace and National Unity - Leader of the Nation, President of the Republic of Tajikistan, His Excellency  Emomali Rahmon visited Roghun city in order to get familiar with the  process of construction work in the largest hydropower facility –  Roghun Hydropower Plant (HPP). The ceremony of welcoming of the  honored guest took place on the square of the OJSC Rogun Hydropower  Plant (HPP).

Then, Leader of the Nation, Emomali Rahmon and his accompanying officials were familiarized with the process of construction work at gigantic facility of the century and held a meeting with the engineering staff and technical staff of this structure.

The acquaintance of the Head of State Emomali Rahmon began on the  place of overlapping of the river and the process of construction of  the upper dam.  As the Founder of Peace and National Unity - Leader of the Nation,  President of the Republic of Tajikistan, His Excellency Emomali Rahmon  was informed, the total amount of work on the dam is 2.7 million m3.  After the change of the riverbed, Salini Impregilo layed  more than 2 million m3 of a mixture of stones and gravels for the  construction of the dam. At present, 23 to 26 thousand m3 of  overlapping materials are filled and fixed per day for the construction  of the dam and the gateway of the first stage of the hydroelectric  power station.

According to the information of the responsible persons of the Rogun  HPP, along with the execution of ground operations, welding and  installation of control and measuring equipment was also carried  out simultaneously. It was reported that 47 units of control equipment  have been connected and installed at the dam of the power plant until  today.

According to the design and technology of dam construction, it is  necessary to import 32,200 m2 of geomembranes building materials that  are produced in Europe. Geomembranes are installed in the front part of  the lock in parts and layers in a mixture with other protective  materials and layers, which is provided for the overlap of water.

At present, the welding and installation work of the geomembrane on  the dam is being continued, up to date they were completely connected  and installed on an area of more than 18 thousand m2, joints continue  to be connected. The installation of this anti-filtering material will  enable the water from the reservoir to flow through the sluices. In  Tajikistan, this is the first experience.

The Leader of the Nation, Emomali Rahmon, during his conversation with  the Roghun HPP engineers and builders instructed them to pay  attention to quality and safety first of all, since this "Temple of  Light" is vital for the nation and guarantee of a dignified life for  the people of Tajikistan.

Today, every builder and engineer, taking the instructions and  recommendations of the Founder of Peace and National Unity -Leader of  the Nation, President of the Republic of Tajikistan, Emomali Rahmon,  announced on October 29, 2016 when the Vakhsh riverbed was changed, valiant builders of the Rogun HPP, now numbering nearly 14,000, are supported by constant attention and systematic visits by the Founder of Peace and National Unity, Leader of the Nation, President of the Republic of Tajikistan Emomali Rahmon.

Today, Leader of the Nation, Emomali Rahmon  also got acquainted with the progress of work in the construction  of tunnel of the third tier, which is considered the main facility of  the Roghun HPP.  The length of tunnel is 1,794 meters and it has the capacity to  contain 3500 m3 of water per second.

The third tier tunnel, as a spill tunnel, is mainly used to regulate water in the reservoir of the power station in the probable cases, including when the water level in the Vakhsh River increases.  The Head of State Emomali Rahmon, during his acquaintance with the  site of the construction of the repair-emergency gates located at the  entrance area of the named tunnel, gave specific instructions and  tasks to the responsible persons of OJSC "Rogun HPP" and the  contractors' companies for the timely completion of the remaining  work.

It was stressed that the construction of the repair-emergency gates  was fully completed taking into account all the requirements and  modern construction standards, and now the work is progressing  steadily at the gate control facilities.

Also all works are fully completed in the construction tunnel No. 3,  from the entrance to a distance of 994 m.  The Leader of the Nation Emomali Rahmon, during familiarization  highly appraised the quality of the completed works and called  the construction of this tunnel, which is considered one of the  main stages of the construction of this hydroelectric power plant,  important and timely for the accelerated continuation of the  construction of the Rogun dam.

In continuation of his working tour to Roghun HPP, the President  of the Republic of Tajikistan Emomali Rahmon, while acquainted with  the process of construction and installation works at the main  emergency gates and on the sloping side of the construction tunnel of  the third tier, highly appreciated the completed work.

It should be noted that the main emergency-repair gates, if necessary,  serve to prevent high water pressure. With this in mind, the vertical  tunnels and the strength of the gates are comprehensively studied and  constructed using special iron sheets.

During the construction and after the complete commissioning of the  Roghun Hydroelectric power station, in cases of rising water levels in  the river and reservoir, the gates in the named tunnel automatically  open and eliminate the possible emergency cases. In this case, the gate  opens, and the excess water of the reservoir flows into the river.

It was stressed that the monthly volume of connected and installed  glands and metals in the construction tunnel of the third tier is on  average about 400 tons, and in total this figure reached 4191 tons.  Tunnel and anchor work on the inclined side and on the exit section of  the tunnel are completed, nowadays the workers and specialists in some  sections are engaged in reinforcing, concrete and cement work.

At the exit of the construction tunnel of the third tier, President Emomali Rahmon was informed that till today ground works in the volume of more than 1 million m3 have been completed.

At present, construction works in this tunnel are continued in two-shift basis, i.e. day and night.  The Head of State Emomali Rahmon, during his acquaintance with the  process of implementation of works in the construction tunnel No. 3  and conversations with workers and specialists, stressed that this is  an important measure to continue the creative work in the  Rogun Hydroelectric Power Plant, which is aimed at the achievement of full energy  independence.

In continuation of his working tour the President of our countryEmomali Rahmon closely reviewed the progress of work at the closed Substations with gas-insulated switchgear (GIS substations).

The head of state at the power station’s special hall also got  acquainted with the course of the installation work at the Generator -  Rotors and Stators of 5 and 6 as well as toured Roghun HPP’s engine  room.

The Roghun HPP’s engine room is 220 m long and 67 m high; all 6 power  generating units will be installed here.

The Leader of the Nation Emomali Rahmon observed also ongoing  reconstruction works at the Shaft Spillway and the building of  transformers.  More than 100 people are working at transformers hall. In general,  today around 14,000 workers and specialists of different professions  are working in the construction of the Roghun hydroelectric power  station.

The head of state Emomali Rahmon highly appreciated the construction  work carried out by local specialists in accordance with the  development plan, and urged them to successfully complete the  tasks.

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