Su'ao River Diversion Project Slated to Start April 2027 with 7.5 Billion Yuan Budget to Curb Flooding by 2030
Water and transportation engineering · AEC industry
After five failed tenders, the Su'ao River diversion tunnel project in Yilan was awarded in September. With a budget of 7.5 billion yuan, construction is scheduled to begin in April 2027 and finish by 2030 to resolve local flooding. Yilan County water officials noted an approved 3-year construction timeframe.
To address severe flooding in Yilan's Su'ao township, the Su'ao River diversion tunnel project has officially been awarded following five failed tenders. With an estimated budget of 7.5 billion yuan, construction is scheduled to break ground in April 2027 and target completion by 2030. Huang Chun-wei, director of Yilan County's Water Resources Department, noted that the central government approved a project duration of approximately three years. Local candidates have also proposed complementary flood control measures, including retention basins, pumping stations, and localized drainage adjustments.
Key takeaways
- The Su'ao River diversion tunnel was awarded in September after 5 failed tenders, with 7.5 billion yuan budgeted for a planned April 2027 start and 2030 completion.
- Yilan County's Water Resources Department stated that the central government approved an estimated 3-year project timeline.
- Local proposals include tree planting, retention basins, pumping stations, and localized measures to mitigate flooding.
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