In Skopje, the average annual precipitation in 2020 was about 600 mm, so a roof with 100 m2 can collect an average of 60,000 l of water. Keeping this in mind, the students of Vlado Tasevski want to reduce the use of potable water for irrigation of the areas around the school. Collecting and using rainwater in underground containers that they will use to water their own plants in the school yard. All the equipment that will be installed would also have a permanent application in the implementation of the Hydrotechnics subject taught in the mechanical engineering school in the 2nd, 3rd and 4th year.