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.
03/2017
