Drainage (Function Value): Difference between revisions
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* While drainage affects subsidence via groundwater, this value is '''not''' used for the [[Water_Overlay|Water Overlay]]. Use a [[Drainage (Water Overlay)|drainage object]] instead. | * While drainage affects subsidence via groundwater, this value is '''not''' used for the [[Water_Overlay|Water Overlay]]. Use a [[Drainage (Water Overlay)|drainage object]] instead. | ||
| references= | | references= | ||
|api=*[[Api session event editor building set function value]] | |||
* [[ Api session event editor functionoverride set function value]] | |||
* [[Api session event editor building reset function values]] | |||
}} | }} | ||
Latest revision as of 12:37, 15 July 2026
| Function value | Attribute | Unit | Range | Description |
|---|---|---|---|---|
| Drainage | DRAINAGE | m | -10 to 10 | Whether this Building has drainage, which affects the calculation of the Subsidence Overlay. |
Values
- The default values for this Function Value are configured for specific constructions which represent drainage. The specific values are determined in cooperation with the expert party who commissioned the Subsidence Overlay.
- The default values are not overwritten during the creation of a new project.
Used for
Notes
- A negative value means passive drainage, fixing the groundwater level to the surface water level. A positive value means active drainage, keeping the ground water level at a specific height.
- While drainage affects subsidence via groundwater, this value is not used for the Water Overlay. Use a drainage object instead.