Switch to Concurrent Construction of Sewage Interceptor and Water Transmission Pipelines in Unyang-dong
Construction Period Shortened by 15 Months, Project Costs Reduced by 3.9 Billion Won
Reduced Traffic Control Period for Citizens, Minimized Noise and Dust

Gimpo City in Gyeonggi Province (Mayor Kim Byungsoo) will switch to a concurrent construction method, simultaneously installing both the sewage interceptor pipeline and the water transmission pipeline planned for Unyang-dong, as part of the expansion of the Tongjin Recopark and the construction of the second water purification plant. As a result, the construction period, which was previously expected to take 22 months if done separately, is now projected to be shortened to 7 months, and project costs are expected to be reduced by 3.9 billion won.

A view of Gimpo City Hall. Provided by Gimpo City.

A view of Gimpo City Hall. Provided by Gimpo City.

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Citizen inconvenience is also expected to be significantly reduced. By preventing repeated road excavation and restoration, the duration of traffic control will be shortened, and noise and dust will be minimized, leading to tangible improvements in residents' quality of life. The city hopes that this proactive measure will also enhance public trust in its administration.


This change stems from the policy focus of the 8th popularly elected administration, which emphasizes citizen-centered governance. The sewage interceptor pipeline construction in Unyang-dong was originally scheduled for October 2025, while the water transmission pipeline was planned for October 2026.


Although both pipelines are to be installed along the same route, concerns had been raised about the one-year gap between the project timelines, which would have required excavating the same section twice within a year. In such cases, the repeated cycle of 'road excavation → restoration → re-excavation → re-restoration' would have led to increased noise, dust, and prolonged traffic control, causing significant inconvenience to residents.


To address this, Gimpo City set out to find ways to minimize inconvenience for citizens, bringing together relevant departments such as the Sewage Division, Waterworks Division, and Parks Division. Through this collaboration, a concurrent installation plan utilizing side roads and park areas was developed, resulting in a solution that minimizes disruption to residents' daily lives.



Meanwhile, the city plans to begin construction in mid-November 2025. During the construction period, the city will make every effort to ensure thorough traffic control and safety management, and will promote the project in advance and operate a real-time civil complaint response center to carry out the construction safely and transparently.


This content was produced with the assistance of AI translation services.

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