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project info
Start date: 15 November 2016
End date: 29 June 2021
funding
Fund: n/a
Total budget: 11 308 000,00 €
EU contribution: 9 611 800,00 € (85%)
programme
Programming period: 2014-2020
Managing authority: Nemzeti Fejlesztési Minisztérium, Környezetvédelmi és Energiahatékonysági Programokért Felelős Helyettes Államtitkárság

VTT Wave Square Direction in Lower Tisza

The aim of the project is to build the coast insurances in Lower Tisza, to organise the Ferenc Accommodation bend, to increase flood safety. The project aims to improve flood safety and reduce flood risks in order to protect the people living in the Tisza valley and their goods, as well as the industrial and economic facilities and the agricultural land on the project area, in line with the KEHOP — drawing on the experience gained so far by the VTT programme — taking into account the recommendations of the best practice of flood protection. The interventions planned under the project serve to establish, implement and operate a flood protection system that takes into account the magnitude of the values to be protected when developing its specific objectives, including the protection of human life and other cardinal values, i.e. the extent of flood risks. Accordingly, the aim of the project is to improve the water transport capacity of the large water basin in line with the legal requirements and the objectives set out in the OP. The specific objectives of the project are in line with the national objectives of the Hungarian water policy, including the Tisza Valley Flood Protection Development Concept. The following interventions are planned under the project: • construction of coast insurance • Direction of Ferenc Accommodation bends Construction of insurances In places where the development of bends is dangerously close to the flood protection embankment, it is particularly appropriate to start bend-planning works to prevent further deterioration of the current situation: — Between sections 236,530 to 237.810, the reinforcement of Szentesi coast insurance on the left bank, — between sections 214,350-215,950, the reinforcement of the Leafényi coast insurance on the right bank, — between sections 195,400-195,900, the restoration of the bank insurance in Lúdvár on the left bank, — between sections 186,000-186,800, the restoration of Algyő coast insurance on the right bank, — between sections 170,680-171,800, the restoration of Malina’s existing insurance on the left bank. On the section below Makó the river passed behind the control line on the left bank between the 15,1-15.2 rkm sections. Due to the proximity of the flood-protection embankment and the narrow corrugated apron, the maintenance and restoration of shore insurance is justified. The bend is extremely unfavourable for the drainage of water, ice and sediment. Between 14,500-16,200 rkm the river Maros planned to organise the Ferencszállási bend. Water can significantly alleviate the problems of draining ice and sediment from the planned investment. In order to sort out, a new trail has been established with a physical sample model experiment. The cross section of the cut in the model is 400 m² below the level of 81,5 mBf. The planned cut would be constructed with a bend radius of 1 000 m between the 15,5 and 14.5 rkm sections so that the cut connects to the preceding and downstream sections with the curve-resistant rhythm. Based on the experience gained from the model experiments, the construction order has also been established: First, the bottom-up cut must be constructed so that the working area can be reached from the north to the right bank of the Mures. At the same time it is possible to close the left side of the island. As the right side of the island is expected to be lost, the closure of the island must be designed in such a way that the stonework does not fall into the planned regulatory line. The lower driver’s gear can be formed after the opening of the cut, and the speed of the water in the two branches is small enough to avoid even rolling or erosion during work. Prior to opening, provision must be made for the deposition of the amount of stone necessary for the installation of the driving plant and the possibility to escape the machinery during the event of a flood. If the driver’s gear has been completed, the transfer of the channel can be done in the 15,5 rkm gauge and the work “T” can also be made in the 14,57 rkm gauge. Once the confinement has been set up, land replenishment can be started and coast insurance can be built continuously. The ground uplift level is 81.5-82.5 mBf, but it may be one meter higher. It’s not an objective to move the land out of the area. It is advisable to develop the coastal sections of the inner lake area affected by the filling with the widest possible variety of inclinations. Finally, the area must be hummused and planted with the tree species typical of the landscape. In this area, contrary to the detachment lanes, rich undergrowth is permissible, as this forest also acts as a guide in the large water. As a result of the project, the risk of flooding in the floodplain bays protected by the development is reduced, flood safety increases and protection costs are reduced.

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