The caissons with a height of 22 meters (about the same as an eight-story building), a weight of 5,000 metric tons, and a cost of NT $ 1.6 million (US $ 44,000) each, are the largest ever constructed in Southeast Asia.
蘇澳港建港所需的大型沈箱每座有二十五公尺見方，二十二公尺高，相當於一幢八層樓房的高度，重五千多公噸。這種巨型沈箱在東南亞國家中還是第一次建造。