activities: 

• exploration of marine sands for coastal and flood protection (pumping to the shore, construction of dykes):
  • use of vibro-hammers including liners with a length of 3 up to 6 m and a diameter of 98 mm
  • geophysical measurement by use of subbottom-profiler
  • side-scan sonar and submarine cameras
• preparation and supervision of marine sand mining ventures:
  • planning of mining
  • permission procedures
  • supervision and documentation of sand pumping to the shore (instant quality check)  

major clients:

• public authorities for environmental and shoreline protection
• owners of marine deposits and project offices