The sewerage system being built is an important technical infrastructure of the municipality of Olešnice u Červeného Kostelce, which serves the entire built-up area of the municipality and a strip of rural area in the direction of the Červený Kostelec water treatment plant. The implementation of the works included the construction of 5,106 running meters of sewers and 2,585 running meters of force pipelines from two pumping stations. An integral part of the project was the reconstruction of access roads.