Tenders Are Invited For Transboundary Water Pollution Management Or Control Services – Survey Of Mines And Tailings In The Sajó Area

Transboundary Water Pollution Management Or Control Services – Survey Of Mines And Tailings In The Sajó Area. The Subject Of The Contract Is To Map And Reveal The Current State Of The Sajó And The Potential Polluting Effects Of Abandoned Mines In The Sajó Watershed Intersected By The National Border With Interrelated And Closely Related Investigations (Geophysical Investigations, One-Year Qualitative And Quantitative Monitoring Of Groundwater, Modeling, Soil Mechanics Tests). Basic Tasks Of The Winning Tenderer: 1. Creation Of A Database - Acquisition, Arrangement And Re-Evaluation Of Archive Data, Creation And Continuous Expansion Of A Gis Database. 2. Geophysical Investigations: Two-Dimensional Multi-Electrode Resistance Tomography (Ert) And Excited Polarization (Ip) Measurements, Radio-Magnetotelluric (Vlf-Rmt) And Horizontal Coil (Hlem) Electromagnetic Measurements. 3. Pollution Exploration And Environmental Monitoring - 1-Year Continuous Quantitative And Qualitative Monitoring Of Groundwater And Mine Waters (Monitoring And Creation Of Pollution-Revealing Boreholes, Water And Soil Sampling And Laboratory Testing, Analysis Of Research Results Using Multivariate Data Analysis Methods - Geomathematical Expert). 4. Design And Patterning Of Soil Mechanical Drillings. 5. Hydrogeological And Hydrological Studies (Infiltration Measurements And Analysis Of The Impact Of Climate Change, Pump Tests) 6. Hydrodynamic And Pollutant Transport Modeling 7. Numerical Modeling To Determine The Efficiency Of The Bed Connection The Detailed Requirements For Each Test Are Contained In The Technical Description.