The environmental impact assessment for the Hsiangshan project in Hsinchu notes that there are typhoons in summer and high seasonal winds in winter; the wind and waves mean that each year construction time is limited to six months.
規劃中的新竹香山海埔地影響評估就說，夏天有颱風，冬天有季風，風大、浪大，因此一年只有半年的施工時間。