Sewer area (Water Overlay)
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A sewer area is part of the definition of a system of sewers in the specified area. A sewer is assumed to be present in all locations where a sewer area intersects with a sewered building.
In other words, a sewer is present if:
- It is covered by a building with a SEWERED attribute > 0.
- It is covered by a sewer area with a SEWER_STORAGE attribute > 0.
A sewer area can also pump stored sewer water to an external area outside the project. However, water that has been pumped out will remain in the external area and cannot be pumped back. By default sewers do not pump water to external areas.
| Icon | Key | Unit | Range | Description | Default value |
|---|---|---|---|---|---|
 |
SEWER_STORAGE | m | The maximum water height the sewer can store. This value, multiplied by the grid cell size and the amount of grid cells marked as sewered, forms the total amount of water this sewer can store. | n/a | |
 |
SEWER_PUMP_SPEED | m3/s | The amount of water removed from the sewer per second, by pumping it to an external area outside the project. | 0 |
Notes
- With the Water Overlay Wizard, sewers can be generated based on neighborhoods in the project.
- Water pumped out of a sewer cannot be pumped back once it has left the hydrological model.
How-to's
See also
- Group
- Water area
- Breach height • Breach width • Breach angle • Breach coefficient • Breach speed • Breach input area • Breach level area • External surface level • External water level • External area
- Rain area
- Limit area
- Output