The three main parts were:

• a scientific component:
  This part concerned WP1, WP2, WP3, WP4 and WP5. It was the scientific foundation of the project, particularly for the methodological component
• a methodological component:
  This component concerned WP6 and parts of WP7. It was the nucleus of the project and  included the procedures necessary for the elaboration of the CARE-S procedure. (WP7).
• an application component:
  It concerned parts of WP7, plus WP8 and WP9, including the construction and testing of a Sewer Rehab Manager (prototype) and the involvement of end-users in the method development.

The Work Packages were:

1. Construction of a control panel of Performance Indicators for Rehabilitation
2. Description and validation of structural condition
3. Description and validation of hydraulic performance
4. Rehabilitation technology information system
5. Socio-economic consequences
6. Multi-criteria decision support
7. Wastewater network rehabilitation manager
8. Testing and validation
9. Result presentation and dissemination