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By introducing working guidelines for sewer system rehabiliationage the public building authorities presented an extensive amount of guidelines concerning the quality assurance of sewage technology.

All work stages from section 3 as well as from section 4 (according to HOAI, German fee regulations for architects and engineers) can be covered by the itwh GmbH in the fiels of civil engineering works, cover construction management and the coordination of health and safety.

Besides our own software we also offer customer-specific solutions for a variety of applications.