Indeed Water Regulations 1999 require all pool buildings to be “watertight” or leak free. Alternatively, the pool could be designed with the water level on the identical top as the pool surround, know, as ‘deck level’, like pools within the industrial sector. In this case the water overflows into a channel in the deck around the perimeter of the pool and gravitates to a balance tank w... https://bbs.pku.edu.cn/v2/jump-to.php?url=https://progorki.com/engineering-perspectives/advantages-of-modular-pools/