Sewer overflow (Water Overlay) and Pump (Water Overlay): Difference between pages

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Sewer overflows are points where water is moved from the [[sewer model (Water Overlay)|sewer]] to the [[surface model (Water Overlay)|surface water system]]. A sewer overflow will allow water to flow through if the water in the sewer exceeds the [[Sewer_overflow_threshold_model_attribute_(Water_Overlay)|SEWER_OVERFLOW_THRESHOLD]], and the water in the connected sewer exceeds the height of the terrain at the location of the sewer overflow. It will then allow water to flow out of all sewers part of that sewer area.
Pumps are constructions which can move water against its natural flow. Specifically, a pump with a positive pump speed will pump water from the entry point with a lower [[water level (Water Overlay)|water level]] to the entry point with a higher [[water level (Water Overlay)|water level]]. If no (differing) water levels are defined, the [[terrain height (Water Overlay)|surface height]] is used instead.


[[File:waterwizard_icon_sewer_overflow.png]] A sewer overflow is a {{inlink|lcase=1|Point-based constructions}}. It must intersect with a [[Sewer_area_(Water_Overlay)|Sewer area]] and a [[Water_level_area_(Water_Overlay)|water level area]], but does not need to intersect with an actual sewered construction.
The pump's direction does not change during the simulation.
 
[[File:waterwizard_icon_pump_q.png]] A pump is a [[Line-based_construction_(Water_Overlay)|line-based construction]].
{{Overlay attribute
{{Overlay attribute
|attribute=[[Sewer_overflow_attribute_(Water_Overlay)|SEWER_OVERFLOW]]
|attribute=[[Pump_q_(Water_Overlay)|PUMP_Q]]
|unit={{mdatum}}
|unit=m3/s
|description=The height at which the Sewer Overflow is situated. The average height at which the related Sewer Area will be situated is relative to this height.
|description=The speed at which water is pumped from the lower end-point to the higher end-point.
|defaultvalue=n/a
|defaultvalue=n/a
|icon=[[File:waterwizard_icon_sewer_overflow_height.png]]
|icon=[[File:waterwizard_icon_pump_q.png]]
|attribute2=[[Sewer_overflow_speed_(Water_Overlay)|SEWER_OVERFLOW_SPEED]]
|attribute2=[[Lower_threshold_pump_(Water_Overlay)|LOWER_THRESHOLD]]
|unit2=m<sup>3</sup>/s
|unit2=m
|description2=The maximum speed by which the water flows through the overflow.
|description2=The threshold of the lower end-point of the Pump. Water flows from the lower end-point to the higher end-point until the water level at the lower end-point has reached the threshold. If not selected, the Lower Threshold will be ignored as a mechanic.
|defaultvalue2=10
|defaultvalue2={{novalue}}
|icon2=[[File:waterwizard_icon_sewer_overflow_speed.png]]
|icon2=[[File:waterwizard_icon_lower_threshold.png]]
|attribute3=[[Upper_threshold_pump_(Water_Overlay)|UPPER_THRESHOLD]]
|unit3=m
|description3=The threshold of the higher end-point of the Pump. Water flows from the lower end-point to the higher end-point until the water level at the higher end-point has reached the threshold. If not selected, the Upper Threshold will be ignored as a mechanic.
|defaultvalue3={{novalue}}
|icon3=[[File:waterwizard_icon_upper_threshold.png]]
|attribute4=[[Inlet_capacity_(Water_Overlay)|INLET_CAPACITY]]
|unit4=m3/s
|description4=The maximum possible m3 water that can flow through this construction. Water flowing back in the other direction replenishes the capacity.
|defaultvalue4=n/a
|icon4=[[File:waterwizard_icon_inlet_capacity.png]]
}}
}}
==Note==
==Notes==
* At most one overflow can exist per sewer area.
* A negative value for the [[Pump q (Water Overlay)|PUMP_Q]] attribute is also allowed, in which case water can be pumped in the reverse direction. Sometimes referred to as ''draining''.
* Water will flow when the water height in the Sewer is larger then the Overflow Threshold.
 
* Sewer overflows will only be created when all sewer areas in which a sewer overflow is placed also intersect with a water level area.
==See also==
==See also==
* [[Sewer_Overflow_formula_(Water_Overlay)|Sewer overflow formula]]
* [[Pump formula (Water Overlay)|Pump formula]]
* [[Sewer_area_(Water_Overlay)|Sewer Area]]
* [[Sewer_model_(Water_Overlay)|Sewer Model]]


{{WaterOverlay hydraulic structure nav}}
{{WaterOverlay hydraulic structure nav}}
{{Water Module buttons}}
{{Water Module buttons}}

Revision as of 12:45, 19 June 2019

Pumps are constructions which can move water against its natural flow. Specifically, a pump with a positive pump speed will pump water from the entry point with a lower water level to the entry point with a higher water level. If no (differing) water levels are defined, the surface height is used instead.

The pump's direction does not change during the simulation.

Waterwizard icon pump q.png A pump is a line-based construction. Template:Overlay attribute

Notes

  • A negative value for the PUMP_Q attribute is also allowed, in which case water can be pumped in the reverse direction. Sometimes referred to as draining.

See also