BasicKerbAndChannel

This subassembly creates a a simple kerb and channel structure at the inside or outside edges of carriageway.

This subassembly is one of a group of Getting Started subassemblies used for simple carriageway modeling, and for tutorial and training purposes.

Attachment

The attachment point is at the flange point of the channel or back of the kerb.

Input Parameters

Note: All dimensions are in meters or feet unless otherwise noted. All slopes are in run-over-rise form (for example, 4 : 1) unless indicated as a percent slope with a “%” sign.

Parameter	Description	Type	Default
Side	Specifies which side to place the subassembly.	Left / Right	Right
Insertion Point	Specifies insertion point of the kerb and channel as either Channel Edge or Back of Kerb	Boolean	Channel Edge
Channel Width	Width from the flange of the channel to the invert level	Numeric, positive	0.45 m 1.5 ft
Channel %Slope	% slope of the channel	Numeric	-6%
Kerb Height	Height from the invert level to the top of kerb	Numeric, positive	0.225 m 0.75 ft
Kerb Width	Width of the top of kerb	Numeric, positive	0.15 m 0.5 ft
Kerb Depth	Depth from the top of kerb to the bottom of kerb at the back-of-kerb point	Numeric, positive	0.45 m 1.5 ft

Target Parameters

This section lists the parameters in this subassembly that can be mapped to one or more target objects. For more information, see To Specify Corridor Targets.

Target Parameters: None.

Output Parameters

None.

Behavior

The subassembly builds the shape for a simple kerb and channel with the attachment point either at (a) the inside edge of the channel (or lip), or (b) the back of the kerb. The face of the kerb is given a small, constant width to make it non-vertical.

Layout Mode Operation

In layout mode, this subassembly draws the kerb and channel shape as specified by the input parameter values.

Point, Link, and Shape Codes

The following table lists the point, link, and shape codes for this subassembly that have codes assigned to them. Point, link, or shape codes for this subassembly that do not have codes assigned are not included in this table.

Point, Link, or Shape	Codes	Description
P1	Flange	Flange of channel
P2	Invert level_Channel	Invert level of the channel
P3	TopKerb	Top of kerb
P4	BackKerb	Back of kerb
L1, L2, L3	Top, Kerb	Kerb links on finish surface
L4	Datum
S1	Kerb