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This vulnerability mapping is based on the flood damage curve for Belgium in the CVI library. Additionally the assumption has been made that sandbags can withstand a flood depth of 50cm, which means that depths less than 50cm do not lead to damage, because the building itself is kept dry, while depth higher than 50cm lead to the same damage as before, because the bags overflow. The node "Implementation" does not need to be taken into account. Its influence is fully specified by the "effectiveness" in the Mnodes.json file.
The corresponding table is:
| State of "Sandbags" | State of "I_ResBuildings" | State Index of "RelDamage_ResBuildings" |
| Yes | [0, 0.01] | 1 |
| Yes | [0.01, 0.5] | 1 |
| Yes | [0.5,1] | 3 |
| Yes | [1,2] | 4 |
| No | [0, 0.01] | 1 |
| No | [0.01, 0.5] | 2 |
| No | [0.5,1] | 3 |
| No | [1,2] | 4 |
...