Table 2 Examples of structures in the three structural classes SC
SC |
Examples |
Ⅰ |
-
residential, office and commercial buildings - industrial buildings and warehouses - car parks - bridges of minor importance after an earthquake such as structures for pedestrians and farm or forestry bridges, except where they cross important traffic routes |
Ⅱ or Ⅰ* |
-
shopping centres, sports stadia, cinemas, schools and churches - public administration buildings - bridges of great importance after an earthquake or those which cross traffic routes that are essential after an earthquake - retaining walls and embankments bordering on traffic routes which are essential after an earthquake - structures, equipment and installations for supplies, evacuation and telecommunication provided they do not fall into class Ⅲ - tall chimneys |
Ⅲ or Ⅱ* |
-
hospitals, including their equipment and installations - structures, equipment and installations, such as fire stations and ambulance garages, of importance to the emergency services - bridges of great importance to the supply of a region after an earthquake - retaining walls and embankments bordering on traffic routes of great importance for access to selected structures or a region after an earthquake - selected structures, equipment and installations of vital importance for supplies, evacuation and telecommunication - structures, equipment and installations where damage might create a risk to the environment, such as tanks and pipelines containing noxious gases or liquids |
* Within the context of a comprehensive safety concept or if more significant
damage than that
characterised by structural classes Ⅱ or Ⅲ is
acceptable, the controlling authority may permit
a less severe classification, but only provided that the structure
shall not be used for large public
gatherings and that any risk to the environment is excluded.