| Abstract [eng] |
Master's thesis is about multi-residential building, located in Kaunas, designed for collecting rainwater, wastewater disposal and water supply systems. The building has 9 floors and basement. There is a pantry, water metering unit and heating station in the basement. The aim of thesis – to investigate the most effective method of collecting rainwater, to find out how much rainwater can be collected from the roof and from the vertical facades, in accordance with existing normative documents design investigated systems. The building has designed recycling rainwater recovery system. This system collects rainwater from the roof and from the vertical facade. Collected water is used for toilet flushing. This system covering up to 95% of water used for flushing toilet cisterns. During the years from the roof of the building with an area of 460 m2 can be collected about 300 m2 of water. Either during the years from the building's facade, with an area of 1346 m2 can be collected up to 424 m2 of rain water. These systems can save 1295 € annually. The building has designed cold, rain and hot water supply systems. Cold water inlet provides multi water meter. Horizontal cold and hot water pipes are laid in the floor structure. Household waste water discharged wastewater stands and marriages in urban sewage networks. Rain water from the roof and facade, is leaking into the collection tank. Rain water from site is collected with two wells an leaked into city raiwater networks. Secondary rainwater utilization system installation price is set up in local estimate. |
