Subject

Development of complete technical documentation with accompanying services, including author's supervision over the implementation of the project "Project of flood protection of the Oder river basin - 7436 POL. Modernization of Wrocław Water Junction - Component B3. Contract B3-1. Section: Odra-Widawa weir to the railway bridge (ul. Krzywoustego)".

THE PURPOSE OF THE INVESTMENT

The aim of the investment is to adapt the Widawa river valley to the flow of flood waters with a flow rate of Q=366 m3/s through the reconstruction of the existing flood embankments and the construction of new ones, modernization of the Odra-Widawa relief canal and reconstruction of the existing road and railway bridges.

SCOPE OF INVESTMENT

The scope of design works included:

• Project of construction of a dike along the right bank of the Widawa river in the section from the connection with the high bank in the area of Wilczyce to the railway bridges over the Widawa river (Wrocław Psie Pole - Wrocław Sołtysowice) together with accompanying water devices - crossings, slides, culverts, drainage ditches and collisions with the site's infrastructure,
• Design of liquidation (in connection with the construction of a new flood embankment) of the existing right-bank flood embankment in the sections limiting the flow of flood waters,
• Development of the protection of the inter-embankment zone and banks of the Widawa river in the area of road bridges (northern and southern) in the course of ul. Bolesława Krzywoustego,
• Development of the protection of the inter-embankment zone and the banks of the Widawa river within the railway bridge (Wrocław Psie Pole - Wrocław Sołtysowice).

Basic parameters of the designed objects

• The total length of embankments and anti-flood facilities together with the construction of engineering infrastructure - 5.80 km;
• Hydraulic class of embankments - I class.
• Maximum flow rate - Q=366 m3/s.

Under the contract, a multi-variant concept was developed, water and legal operators for the construction of water structures and obtaining a decision on a water and legal permit, construction design and obtaining a decision on a permit for the implementation of the flood protection investment, detailed and cost documentation, specifications for the execution and acceptance of works.