Skip to Main Content
Table 2

Overview of the four case characteristics and their initial categories

Case characteristicsDescriptionCategories
Technical failure The technical issue that causes malfunctioning Clogging; poor maintainability; insufficient slope; illicit connections 
Failing function The main hydraulic function of the system Conveyance; infiltration; storage 
Failure location The location of the failure Internal locations: roof; house; private plot; street; public open space; water body 
Interface locations: between roof and house; between house and private plot; between private plot and street; between street and public open space; between public open space and surface water body 
Phase of failure The project phase where the failure originated from Design phase; construction phase; user/maintenance phase 
Case characteristicsDescriptionCategories
Technical failure The technical issue that causes malfunctioning Clogging; poor maintainability; insufficient slope; illicit connections 
Failing function The main hydraulic function of the system Conveyance; infiltration; storage 
Failure location The location of the failure Internal locations: roof; house; private plot; street; public open space; water body 
Interface locations: between roof and house; between house and private plot; between private plot and street; between street and public open space; between public open space and surface water body 
Phase of failure The project phase where the failure originated from Design phase; construction phase; user/maintenance phase 

These categories were further refined during the site visits. The case characteristic failure location is subdivided into internal and interface locations.

Close Modal

or Create an Account

Close Modal
Close Modal