A brief introduction is given to Karasay Reservoir as well as its risk mitigation and improvement.Its national economy evaluation and financial evaluation are performed. 摘要簡介喀爾賽水庫及喀爾賽水庫除險加固工程概況，對該工程進行國民經濟評價和財務評價。
In Tsengwen Dam Raise Reservoir Water Level Project at Taiwan, the greatest construction risk is the overtopping of the dam by flood when the crest is lowered by excavations. 但在取得成績的同時，也陸續出現了若干座水庫在除險加固完成後或加固過程中發生潰壩的不正常現象，反映病險水庫除險加固工作還存在不可忽視的缺陷。
