Engineering-geological survey of Poštorná

Detailed petrographic exploration and description of bore core  – shallow core drills to depth 4 m with 50 mm dimaeter.

Hydrogeological core holes realized  in determinated areas – 200 mm diameter drills to quaternary base cased with  PVC well strainer  140 mm diameter, case perforation from 2 m depth up to  bottom,  used plastic centralizer;  between casing and hole wall fillied up by sorted gravel  4 – 8 mm grade;  clay seal on the top part of hole.