1In August, 1999, Sichuan Water Resources and Hydropower Survey and Design Institute completed the feasibility study report of Hu Tianlong Hydropower Station in Aba Prefecture, Sichuan Province. In June of the same year, 10 passed the examination of Sichuan Hydropower Department and Sichuan Planning Commission, and agreed in principle not to change the storage state.
In June 2000, Sichuan Water Resources and Hydropower Survey and Design Institute compiled the preliminary design report of Hu Tianlong Hydropower Station in Aba Prefecture, Sichuan Province, and in July of the same year, it passed the examination of Sichuan Planning Commission and approved the adoption of underground powerhouse scheme.
From June 5th to February, 2000, Sichuan Huanglong Electric Power Group Company entrusted the bidding and technical design of Hu Tianlong Hydropower Station Hub Project. According to the preliminary design review opinions and the owner's instructions, the preliminary design was adjusted and optimized before the bidding design, and the Report on Key Points of Bidding Design for Hu Tianlong Hydropower Project was completed on March 5438+0, 2006.