Dessau S&Z has specialized technical units to offer technical services in all fields of infrastructure projects. It has particular experience in the transport sector, having completed more than 30 major projects and over 25 large projects improving water supply and sewage systems.


  • Project evaluation
  • Planning studies
  • Pre-investment studies at profile level
  • Pre-investment at feasibility level
  • Definitive studies
  • Technical records (tender documents)
  • Executive designs
  • Due diligence
  • Development of private initiatives
  • Specialized studies
Technical assistance:
  • Technical advisory services in the development of studies, construction and operation of facilities
  • Advisory services for the request of operation rights, if applicable
  • Data processing services
Supervision and Project Management:
  • Consultancy during bidding and contracting works
  • Monitoring of studies
  • Supervision of detailed engineering
  • Construction supervision
  • Technical inspection of projects
  • Technical audits and surveys
  • Commissioning and testing
  • Electric
  • Hydraulic on reduced models
  • Sedimentological
  • Hydrometeorological
  • Geológical
  • Geotechnical and rock mechanics

Economic, financial and tariff analysis