Faculty of Natural Sciences and Mathematics, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
Civil Engineering Institute ”IG”, Banja Luka, Banja Luka, Bosnia and Herzegovina
The paper presents the impact of the construction site of a part of the Banja Luka – Doboj motorway, section 1: Banja Luka – Prnjavor, in the settlement of Miloševac, on the quality of water in the rivers Vrbas and Crkvena. Before the construction of a new bridge, the zero state was determined in the direct vicinity and at locations downstream from the construction site in order to have a realistic picture of impacts of the mentioned construction on the quality of surface waters. Comparison of the data acquired by continual monitoring of a significant number of parameters (total 18) during 12 months and their zero state, i.e. their values before the commencement of construction, gives a realistic overview of impacts of the construction site on the quality of water in nearby surface watercourses. In the case that the execution of civil works proves to have a negative impact on the quality of these rivers, the cause of negative impacts shall be determined and additional measures of prevention, reduction or mitigation of impacts shall be taken.
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