The economic success of the patented hydros® and starline® technologies is based on their high standards.
Therefore, all trenchless technologies are certified in accordance with DIN EN ISO 9001.
Detailed process and working instructions in combination with thorough training guarantees the high standard of the procedure.
Every technology has its own special quality management system so that the quality of the technology is maintained by third-party and self-monitoring procedures.
Group of Karl Weiss has also established an extensive quality assurance system for the consumables and technical equipment required. This system guarantees a continously high quality standard of all materials with the help of an inspection system for incoming and outgoing goods.
New and optimized developments and procedures are comprehensively analyzed and tested by Group of Karl Weiss on our own construction sites before market launch.
This guarantees that only those systems, which are ready for the market, are provided to our customers.