The InfiltrationTrench subassembly inserts links to create an infiltration trench. The subassembly is based on requirements of the County of Los Angeles Low Impact Development Standards Manual, dated February 2014.
You should verify that the dimensions used match your interpretation of referenced document.
Attachment
The attachment point is at the top left, top center, or top right side of the infiltration trench.
Input Parameters
Parameter |
Description |
Type |
Default |
---|---|---|---|
Pea Gravel Thickness | Pea gravel thickness | Numeric |
0.67 ft 0.20 m |
Include Filter Fabric? | Indicates if filter fabric is below the pea gravel | Yes / No | Yes |
Stone Thickness | Thickness of stone layer | Numeric, positive |
3 ft 1 m |
Sand Thickness | Sand layer thickness | Numeric |
0.5 ft 0.15 m |
Trench Width | Width of trench | Numeric, positive |
2 ft 0.60 m |
Attachment Point | Attachment point | Left / Right / Center | Left |
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.
None.
Runtime Logical Assignments
None.
Output Parameters
None.
Behavior
The initial point is set at the attachment point. The subassembly builds the shape for the infiltration trench.
Layout Mode Operation
In layout mode, this subassembly displays the infiltration components based on the input parameters given.
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 |
Code |
Description |
---|---|---|
P1, P2 | PeaGravel | Top of pea gravel layer |
P3, P4 | Stone | Top of stone layer |
P5-P6 | Sand | Top of sand layer |
P7-P8 | Sand_Datum | Bottom of sand layer |
L1 | Top | Top layer |
L2 | PeaGravel, FilterFabric | Pea gravel layer; if Include Filter Fabric parameter is set to Yes, then filter fabric is included |
L3, L4 | Sand, Datum | Top of sand layer |
S1 | Stone | Stone layer |
S2 | Sand | Sand layer |
S3 | PeaGravel | Pea gravel layer |
Coding Diagram