Bridge Outlet Data Fields

Bridge Outlet data can be edited on either the Bridge Outlet Grid Window of the Links Grid or the Bridge Outlet Property Sheet.

To view and edit all bridge outlet data, use the Property Sheet.

This table describes all the bridge outlet specific data which can be used to define a bridge outlet.

Bridge Outlet Data

Database Table Name: hw_bridge_outlet

Show Columns	Database Names
	Size, Type and Units
	Defaults and Error Limits

Field Name	Help Text	Database Field	Data Type	Size	Units	Precision	Default	Error Lower Limit	Error Upper Limit	Warning Lower Limit	Warning Upper Limit
ID	Unique identifier for the bridge outlet	id	Text	64		0
Bridge US node ID	Upstream node ID of bridge to which the outlet is associated.	bridge_us_node_id	Text	64		0
Bridge link suffix	Link suffix of bridge to which the outlet is associated.	bridge_link_suffix	Text	1		0	1
Asset ID	For reference only. Designed as a reference to an asset database, but could be used for anything.	asset_id	Text	64		0
System type	Choose the system type from the dropdown list. See System Type for more information. Database Value Description Help Text STORM Storm Rainfall collection system FOUL Foul Wastewater collection system (UK terminology) SANITARY Sanitary Wastewater collection system (US terminology) COMBINED Combined Rainfall and wastewater collection system OVERLAND Overland Overland floodwater collection system OTHER Other Other system type	system_type	Text	10		0	Other
Invert level	Invert level measured above system datum	invert	Double		Z	3		-9999	9999		6000
Reverse flow model	Determines how the engine models reverse flow: either as a nominal headloss or by using the culvert inlet model. Database Value Description NOMINAL Nominal head loss INLET Become inlet	reverse_flow_model	Text	8		0	Nominal
Equation	Equation as defined in CIRIA Funders Report/CP/40, used to calculate the water level immediately upstream of the inlet. Database Value Description A A B B	equation	Text	1		0	A
K	Equation constant as defined in CIRIA Funders Report/CP/40.	k	Double			4		0.0001
M	Equation constant as defined in CIRIA Funders Report/CP/40.	m	Double			3		0.01
c	Equation constant as defined in CIRIA Funders Report/CP/40.	c	Double			4		0.01
Y	Equation constant as defined in CIRIA Funders Report/CP/40.	y	Double			2		0.01
Outlet headloss coefficient (Ko)	Outlet Headloss Coefficient, usually 1.0. (CIRIA Funders Report/CP/40)	headloss_coeff	Double			2	1	0.01
Inlet headloss coefficient (Ki)	Constant as defined in CIRIA Funders Report/CP/40.	inlet_headloss_coeff	Double			2		0.01