Sewer area (Water Overlay) and External area (Water Overlay): Difference between pages

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A sewer area is part of the definition of a system of sewers in the specified area. Sewer storage is present in the hydrological model wherever the sewer area intersects with a [[Sewered_(Water_Overlay)| sewered construction]].
Similar to water level areas, sewer areas only define a sewer storage amount in grid cells that are marked as sewered. A grid cell is marked as sewered, if:
#It is covered by a construction with a [[Sewered_(Water_Overlay)|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 (Water Overlay)|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.
{{Overlay attribute
{{Overlay attribute
|attribute=[[Sewer_storage_(Water_Overlay)|SEWER_STORAGE]]
|attribute=[[External_area_(Water_Overlay)|EXTERNAL_AREA]]
|unit=m
|unit=m²
|description=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.
|description=The surface area of the external water body behind the breach. The larger the external water body, the more water can flow from it (or into it), and the smaller the effect of the inflow or outflow of water on the external water level.
|defaultvalue=0
|defaultvalue=n/a
|icon=[[File:waterwizard_icon_sewer_storage.png]]
|icon=[[File:waterwizard_icon_external_area.png]]
|attribute2=[[Sewer_pump_speed_(Water_Overlay)|SEWER_PUMP_SPEED]]
|unit2=m<sup>3</sup>/s
|description2=The amount of water per second, removed from the sewer by pumping it to an external area outside the project.
|defaultvalue2=0
|icon2=[[File:waterwizard_icon_sewer_pump_speed.png]]
}}
}}
==Notes==
==Notes==
* With the [[Water_Overlay_Wizard|Configuration wizard]], sewers can be [[How_to_generate_a_sewer|generated]] based on [[neighborhoods]] in the project.
* When a [[Breach_input_area_(Water Overlay)|breach input area]] is defined, an external water body will not be created. Subsequently, the [[External_surface_level_(Water_Overlay)|EXTERNAL_SURFACE_LEVEL]], [[External_water_level_(Water_Overlay)|EXTERNAL_WATER_LEVEL]] and [[External_area_(Water_Overlay)|EXTERNAL_AREA]] attributes will be ignored.
* Water pumped out of a sewer cannot be pumped back once it is in the external area.
 
==How-to's==
* [[How_to_generate_a_sewer|How to generate a sewer]]
 
==See also==
==See also==
* [[Sewer_model_(Water_Overlay)|Sewer Model]]
* [[Breach growth formula (Water Overlay)|Breach growth formula]]
* [[Sewer_overflow_(Water_Overlay)|Sewer Overflow]]
* [[Breach flow formula (Water Overlay)|Breach flow formula]]
* [[Weir formula (Water Overlay)|Weir formula]]
{{WaterOverlay hydrological features nav}}


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Revision as of 14:19, 19 June 2019

Template:Overlay attribute

Notes

See also

Water Module
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Group
Water area
Water level • Water relative
Sewer area
Sewer storage • Sewer pump speed
Inundation area
Inundation level
Aquifer
Aquifer kd • Aquifer datum
Breach
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
Rain m
Limitation area
Limit area
Output
Object flow output • Object height output • Object datum output a • Object datum output b • Object width output
Related
Building attributes • Hydraulic structures •  Terrain attributes • Model attributes • Results • Simulation data


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