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Valenzuela has had a long history of flooding but with very little influence to mitigate its effects. The city is highly vulnerable to the effects of flood as a result of a confluence of factors, among which are its location and topography. Aside from being in an area where there’s 16 percent frequency of tropical cyclones, it also receives water runoff from two major rivers in nearby towns and constantly from the Manila Bay during high tide. About 25% of the city is likewise below sea level, making natural drainage very difficult.
In 2015, CDIA assisted the city in the preparation of a Pre-Feasibility Study on Integrated Flood Risk Management. This study was then used by the city in leveraging support from the National Government through the Metro Manila Development Authority and the Department of Public Works and Highways. Out of this request to MMDA and DPWH, and CDIA’s assistance in liaising with The World Bank, Valenzuela was then included as one of the 11 cities in the Metro Manila Flood Management Project. The implementation of the $500-million project, which is financed by the World Bank and the Asian Infrastructure Investment Bank (AIIB) is scheduled to start this month.
The Project aims to construct 20 new pumping stations and modernize 36 existing ones and their supporting infrastructure. It also hopes to improve solid waste management practices within the vicinity of drainage systems served by the selected pumping stations; and further support resettlement of affected individuals.
“Flood does not respect city boundaries, it is a common problem shared by contiguous cities in Metro Manila and requires a coordinated approach to address it,” said Brian Capati, CDIA’s Urban Infrastructure Engineer. “CDIA is pleased to have helped Valenzuela identify ways to address their flooding problem,” he added.