Bridge elevation (Water Overlay)

Bridge elevation can be configured in Structure Settings step of a Water Overlay wizard.

Icon	Attribute	Unit	Range	Description	Default value
	BRIDGE_ELEVATION	nominal	0 to 2	Specifies the mode by which bridges are include in the elevation model, used for the water calculations.	Lowest

0.	Lowest: Lowest elevation point from Terrain below bridge is used, when the terrain is water.
1.	Terrain: Use standard elevation from Terrain. Bridges are excluded from the DEM, allowed water to flow as if they didn't exist.
2.	Bridge : Use bridge deck as elevation. Bridges and floating Constructions are included in the DEM, blocking water flow.

Notes

• When using Bridge mode, it is still possible to model the flow from one side of a bridge to the other by using a Culvert.

How-to's

• How to add and remove an Attribute

Videos

Explanation of how bridges are made water permeable in the Tygron Platform. (In dutch)

Explanation how to deal with bridges and the elevation map in your water system. (In dutch)

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Allowed water increase m • Avg shore width m • Avg terrain width m • Avg terrain storage m • Breach measurement distance m • Bridge elevation • Culvert dem threshold m • Design flood elevation m • Ground bottom distance m • Ground bottom pressure m • Ground water • Ground water depth m • Ground watertable with surface • Impact flood threshold m • Impact range m • Increased resolution • Infiltration factor s

Limit area • Limit rain • Max infiltration m • Max water bottom m • Microrelief storage fraction • Min max elevation • Object entry correction • Prequel surface level relative • Rise rate distance m • Sewer overflow threshold • Shoreline • Duration min level m • Stabilizer angle • Start date ms • Surface water • Surface water evaporation factor • Timeframe times • Timeframes • Trim manning • Trim evapotranspiration • Trim root depth • Trim ground infiltration • Trim ground conductivity • Trim shoreline conductivity

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Building attributes • Hydrological features • Hydraulic structures •  Terrain attributes • Results • Simulation data