Proposal for construction of items to meet the requirements of green urban drainage system in Hung Yen province

Abstract

In the context of climate change and rapid urbanization, the traditional drainage system in Hung Yen Province has revealed significant limitations, failing to meet the requirements for flood control and urban environmental protection. This paper proposes a management solution for the construction of an integrated green urban drainage system, comprising 18 components divided into four functional groups: (i) rainwater collection and on-site treatment; (ii) rainwater conveyance and drainage; (iii) flow regulation and dispersion; and (iv) ecological and landscape integration. The components were selected based on technical feasibility, effectiveness in controlling surface runoff, adaptability to the specific conditions of Hung Yen, and alignment with green urban development objectives. The distribution and integration plan ensures compatibility with existing technical infrastructure, with the main drainage direction toward the southeast, utilizing natural channels and low-lying areas. The study results indicate that this system can reduce flooding, enhance infiltration and rainwater reuse, while improving the microclimate and urban landscape quality. Based on these findings, the paper recommends a hierarchical approach to construction management, operation, and maintenance, encourages socialized investment, and aligns with relevant standards and sustainable urban development policies in the province.