This thesis is written due to the poor quality of the stream Sudický potok and the fish kills in nearby ponds supplied by the stream. The goal is evaluating the results of the water samples obtained from the four local spots. Polluted quality in the stream in the Sudice town then proceed to design three various solutions of the sewage collection systems. The first option is designing the municipal wastewater treatment plant and the draining wastewater by single sewerage or sanitary sewerage. The second choice designs the domestic waste water treatment plants. The third solution is designing the sanitary sewerage and effluent sewerage to the nearby waste water treatment plant in Šebetov town. All variants are economically evaluated. In conclusion the first solution, municipal waste water treatment plant with the single sewerage, is recommended.

This diploma thesis deals with the design of sanitary and gas installations in a boarding house for seniors and their connection to existing utilities. For the whole object there will be designed operating water supply with the use of rainwater. The diploma thesis also includes the design of a sewage pumping station, grease trap, light liquid separator, infiltration equipment and rainwater tank. The theoretical part is focused on the issues of gray water and rainwater and subsequent use as operating water. Computational part and project part solves sewerage distribution, water supply and gas pipeline in the specified object. It is a partially basement object with five floors. The object includes a surgery, a cafe and a shopping place.