Construction of levees and floodways was divided into three stages. The first and second stages will be completed next June, and the third stage is expected to be finished in 1994 (see map).
工程分三期進行，一、二期工程將在明年六月完成，第三期計畫則預計在民國八十三年完成（見圖），一、二期經費達一百五十億元。