Errichtung einer Grundwassermessstelle zur Untersuchung eines tiefer liegenden Grundwasserleiters, SAD Laucha

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New construction of a groundwater monitoring well to the following scope: - Preparatory work, safety and securing measures, documentation of the initial and final conditions; - Removal of interfering vegetation (mowing work, felling trees and/or trimming back); - Preparing, securing and maintaining the areas for the drilling site and for the construction-site facilities (approx. 500 m²); - Setting up a mobile supply of drinking water and power; - Implementation of occupational safety measures, black-and-white installation; - Drilling work and construction of a groundwater monitoring well in the deeper groundwater aquifer, assumed maximum drilling depth of the borehole of 80 m: # approx. 13 m drilling in unconsolidated material, minimum diameter 300 mm; # max. 67 m drilling in solid rock as core drilling with a diameter ≥ 100 mm; # enlarging the core borehole to the final diameter ≥ 300 mm; # supplying core boxes and placing the bore cores; # setting up and operating a core storage area; # borehole geophysical measurements to determine water inflows in solid rock; # installation of the monitoring well (GWM) using PVC-U pipe material DN 125, determining the slot width of the filter…

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