Within engeeniring geological survey in the Vsetin city our company perform 22 vertical exploratory core holes with 333 m total length. Holes has cased by 160 mm diameter PVC well sreens – casing is perforated in the saturated beds. Holes has cased by centralizer and mudpan, annular space filling by sorted gravel of 4 – 8 mm grade; clay seal on the top part of hole.
04/2017 – 05/2017
