Construction of Stormwater Drainage Systems in Bydgoszcz

This contract involves the construction of various stormwater management systems in Bydgoszcz, Poland. The work includes: - Building underground retention tanks with dry pump chambers and technological equipment, including ventilation systems. - Constructing underground technological chambers with a stormwater treatment system, along with water supply, sewage, ventilation, air drying, and heating installations. - Providing energy supply and control systems for the tanks and technological chambers. - Constructing gravity stormwater drainage systems. - Building pressure pipes and water supply lines. - Establishing connections for both pressure and gravity sanitary sewage systems, including accompanying elements. - Creating stormwater drainage installations from retention tanks to technological chambers. - Developing installations for treated stormwater to collection points and automatic irrigation systems. - Constructing internal power supply lines for automatic irrigation systems. - Building automatic irrigation system wells. - Modifying existing infrastructure that conflicts with the planned project. - Restoring road surfaces after construction work. - Constructing access roads and restoring sidewalks. - Rehabilitating green areas. - Preparing and implementing traffic organization plans. - Conducting tree and shrub removal and replacement planting. - Completing as-built documentation. The contract is divided into four parts, with detailed descriptions provided in Part III of the tender documents.