Implementation of geotechnical site assessments (according to DIN 4020) . Design and implementation of geotechnical field and laboratory testing (consistency limit determination, sieve analysis / gradiation test, plate loading test, etc.). Geotechnical calculations and proof of stability (settlings, base failure and slope failure) . Construction site management and geotechnical consulting during construction, compaction control . Investigation and evaluation of structural damages caused by settlings, rising groundwater, improper drainage, insufficient or inadequate ground preparation, etc.