The reclamation, public facilities, flood control, adjustments in business operations, and environmental restoration in the Dongshi demonstration zone will take an estimated four to five years, at a total cost of around NT $ 3.3 billion. If the entire 250-square-kilometer area in Chiayi is rezoned in this way, the estimated cost will be roughly NT $ 16 billion.
估計東石示範區包括填土造鎮、公共設施、水患治理、產業調整、水土環境復育等，約需費時 4 ~ 5 年，總經費初估新台幣 33 億元，若嘉義沿海全區 250 平方公里都依此原則改造，經費約 160 億元。