Cleaning and Maintenance Services for Stormwater Drainage in Tychy

The contract involves various cleaning and maintenance tasks for the stormwater drainage system in the city of Tychy. Key activities include: cleaning stormwater drains and manholes, removing tree roots from the drainage system, maintaining sand traps, cleaning sedimentation tanks, and oil separators; replacing and renovating stormwater drainage using trenchless methods, constructing and repairing manholes, adjusting manhole heights, restoring surfaces, and replacing or supplementing concrete or cast iron manhole covers; inspecting drainage devices and evaporation tanks; sealing illegal connections to the stormwater system, smoke testing the drainage network, conducting TV monitoring of the drainage system, visually assessing manholes for connections, and locating buried or asphalted manholes; installing backflow prevention valves at stormwater outlets; conducting geodetic inventory of stormwater drainage sections and manholes; maintaining stormwater pumping stations and sand trap grates; mowing grass around pumping stations, sand traps, and outlets; and providing technical opinions. Before starting work, the contractor must follow the detailed scope of work and technology specified by the buyer. The contractor must be available 24/7 and is required to log and archive all reports received from the buyer and other city units, including the Fire Department, Police, Municipal Guard, and Water and Sewage companies. In case of any irregularities or emergencies, the contractor must respond within one hour of receiving the report. The buyer has not specified any trademarks, patents, or specific processes related to the products or services provided by a particular contractor. The detailed scope of work is outlined in Annex 1a to the SWZ.