The physical isolation project of Wudianmei Reservoir is located in Chang 'an Town. The main contents of the construction are to build a new channel with a length of about 274 1m, two new gates of storage ponds, a new ecological embankment of Wudianmei Reservoir with a length of about 166m, a new cemetery partition wall with a length of about 334m, and an ecological restoration project of the water body of Racecourse Storage Pond. The project closure standard is once every 50 years. The winning bidder is Guangdong Water Resources and Hydropower Third Engineering Bureau Co., Ltd., and the supervisor is Guangdong Yuan Yue Engineering Consulting Co., Ltd., which started in June 2022 and is expected to be completed in June 2023.