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225 days on the construction site of 500kV line circuit 3

Reporter Group • DNUM_CIZAIZCACE 17:07

After 225 days of construction, the 500kV Transmission Line 3 Project from Quang Trach (Quang Binh) to Pho Noi (Hung Yen) has been energized and the entire line is fully operational.

dji_0365(1).jpg — The 500kV Quang Trach - Quynh Luu transmission line project is the final component project of the 500kV line circuit 3 project from Quang Trach to Pho Noi. The Quang Trach - Quynh Luu project is 226 km long, passing through the provinces of Quang Binh, Ha Tinh, Nghe An. The project has 463 column foundation locations, of which 237 are located over mountains, passing through many complex terrains. Of the 197 corridor anchorages, 7 anchorages cross rivers and large lakes, and 15 anchorages cross national highways. Photo: Cuong Dao

The project was implemented from January 18, 2024, and the investor-level Acceptance Council met on August 24, 2024 and agreed to connect to the grid. Photo: Cuong Dao

In Nghe An province, the project is about 100km long, including 202 column foundation locations and 85 corridor anchorages, passing through 6 districts and towns: Hoang Mai, Quynh Luu, Yen Thanh, Dien Chau, Nghi Loc, Nam Dan. Photo: Cuong Dao

Trong quá trình triển khai, dự án luôn nhận được sự quan tâm chỉ đạo của Thủ tướng Chính phủ, các bộ, ngành, lãnh đạo Tập đoàn Điện lực Việt Nam. Cùng với đó là sự ủng hộ của các cấp chính quyền nơi có dự án đi qua, sự đồng lòng, chung sức của người dân đã nhường đất cho dự án, đã tham gia hỗ trợ thi công giai đoạn đào đúc móng. Ảnh: Thành Duy — During the implementation process, the project has always received the attention and direction of the Prime Minister, ministries, branches, and leaders of Vietnam Electricity Group. Along with that is the support of authorities at all levels where the project passes through, the consensus and joint efforts of the people who have given up land for the project, and participated in supporting the construction of the foundation excavation phase. Photo: Thanh Duy

_nda8653(1).jpg — To meet the required progress, in a short period of time, many work items were deployed simultaneously such as construction and installation, pole erection, wire pulling, positioning frame installation, and technical calibration. Photo: Cuong Dao

_nda9556(1).jpg — In addition to the main force of construction contractors, forces from EVNNPT and 5 Power Corporations were mobilized to support the construction with a large number of qualified, experienced and skilled workers. Photo: Cuong Dao

_nda1454(1).jpg — In addition to favorable factors, during the implementation process, the Project encountered many difficulties and challenges in mobilizing machinery and construction equipment simultaneously on the entire route; Difficulties in the route terrain with many locations on high hills and mountains, the road to the column foundation locations is difficult, especially when it rains, the road is steep, slippery, and the construction site is not favorable. Photo: Cuong Dao

_nda1317(1).jpg — Unfavorable weather conditions included many days of rain, storms, thunderstorms, extreme heat, many days of strong winds lasting from 3 to 7 hours, and thunderstorms... so at many times construction had to be stopped to ensure the safety of workers and construction equipment. Photo: Cuong Dao

_nda1965(1).jpg — The project also faced difficulties in mobilizing construction forces to erect poles and pull wires due to urgent construction progress, short implementation time, and the volume of construction work to erect poles and pull wires simultaneously for large projects. Photo: Cuong Dao

_nda0951(1).jpg — Along with that, the volume of steel columns is very large while the progress requires the supply of columns in a short time, EVNNPT together with CPMB and contractors have made efforts to focus on production, implementing specific solutions to speed up the production progress. Photo: Cuong Dao

Ảnh: TC — Photo: TC

_nda0917(1).jpg — Photo: Cuong Dao

_nda1004(1).jpg — Photo: Cuong Dao

dji_0897-2(1).jpg — Photo: Cuong Dao

bna_anh-thanh-chung-3-526f8cc48dddc288e0430cec8943e0c2.jpg — Given the importance of the project, Vietnam Electricity also received construction manpower support from the Army, Youth Union, local authorities, etc. to assist in erecting poles and pulling wires for the projects. Photo: Thanh Chung

1000056869(1).jpg — The 500kV Quang Trach - Quynh Luu transmission line project is the final component project of the 500kV line circuit 3 project from Quang Trach to Pho Noi. Previously, EVNNPT completed the energization of the Thanh Hoa 500kV transformer station on June 28, 2024, the 500kV Nam Dinh 1 - Thanh Hoa transmission line project was completed on June 30, 2024, the 500kV Quynh Luu - Thanh Hoa transmission line project and Nam Dinh 1 - Pho Noi transmission line project were completed on August 19, 2024. Photo: Cuong Dao

Kỳ tích 500kV - 8 — Photo: TC

Once completed, the project will help reduce the load and avoid overloading of existing 500kV lines, ensuring the N-1 criteria, especially when the transmission capacity is high along the Central - North interface at a time when hydropower plants in the North are low. Photo: Cuong Dao

Ảnh: T — Leaders of Nghe An province and Vietnam Electricity Group cut the ribbon to inaugurate the 500kV transmission line projects, circuit 3, through Nghe An. Photo: TC

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