136600 cubic meters. According to China Cai Zhao. Dayuanshan Reservoir, Changjie Town, Ninghai County, issued a tender notice for comprehensive improvement project in August 20 12, with an investment of 2.3 million yuan and a total storage capacity of136,600 cubic meters. The main building is grade 6, and the scope of renovation includes dam maintenance and reinforcement, spillway maintenance and reinforcement, etc.