Swimming pool, has pit equipped with platform that has shape and dimension corresponding to shape and dimension of pit, where base of pit has shape shrinkable towards bottom and center for reaching sump

摘要

The swimming pool has a pit (3) equipped with a platform that has shape and dimension corresponding to shape and dimension of the pit. The platform is equipped with a ballast system for being filled with air. A base (30) of the pit has an inclined wall (31) that converges edges towards center, where the wall has a pressurized water projection nozzle (34). The base has a shape shrinkable towards bottom and center for reaching a sump (32) equipped with suction and evacuation units (33).