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Subassembly Reference (continued)

The subassemblies in this subassembly reference are organized alphabetically into the following sections:

For information about PKT subassemblies that are included with Autodesk Civil 3D, see the Subassembly Reference for Autodesk Civil 3D PKT Subassemblies.

Topics in this section
  • RailSingle
    This subassembly inserts the rails, sleeper, ballast, and sub-ballast for a single-track railroad.
  • RetainWallTapered
    This subassembly inserts a retaining wall structure with one tapered side and an optional key at the bottom.
  • RetainWallTaperedWide
    This subassembly inserts a retaining wall structure with one side tapered, and is typically used if walls are 5.5 meters or higher.
  • RetainWallTieToDitch
    This subassembly inserts a retaining wall structure with a paved shoulder and with special tie slopes to tie to an existing ditch.
  • RetainWallToLowSide
    This subassembly inserts a retaining wall structure with one tapered side.
  • RetainWallVertical
    This subassembly inserts a retaining wall structure with both sides as vertical walls (no tapered side), and an optional key at the bottom.
  • ShapeTrapezoidal
    This subassembly inserts a trapezoidal shape with flexible parameters and codes.
  • ShoulderExtendAll
    This subassembly inserts a paved shoulder with all pavement, base, and subbase layers extended to the shoulder daylight slope.
  • ShoulderExtendSubbase
    This subassembly inserts a paved shoulder with the subbase layer extended to a daylight point.
  • ShoulderMultiLayer
    This subassembly inserts a shoulder that you can use to control superelevation. It also supports Pave 2 and Pave 3 Layer extension, as well as varying grade on Datum.
  • ShoulderMultiLayerVaryingWidth
    This subassembly inserts a shoulder that you can use to control superelevation. It is intended to work in combination with the LaneInsideSuperMultiLayer subassembly and supports Pave 1 through Pave 10 layer extension.
  • ShoulderMultiSurface
    This subassembly inserts a paved and an earthen (unpaved or gravel) shoulder with all pavement, base, and subbase layers extended to the subgrade shoulder point.
  • ShoulderVerticalSubbase
    This subassembly inserts a paved shoulder with the pavement and subbase layers terminating with a vertical link.
  • ShoulderWidening
    This subassembly inserts a shoulder for widening situations that will trim the base and subbase layers based on the location of the existing ground surface.
  • ShoulderWithSubbaseInterlaced
    This subassembly inserts a paved shoulder with all layers including subbase extended to a daylight point. Optionally you can reduce the depths of various sublayers to interlace subbase material around some of the select material layers.
  • ShoulderWithSubbaseInterlacedAndDitch
    This subassembly inserts a paved shoulder with all pavement, base, and subbase layers extended to the shoulder daylight slope.
  • SideDitch
    The subassembly is used to create a ditch structure with optional backslope and foreslopes.
  • SideDitchUShape
    This subassembly creates a ditch structure with optional bench and backslopes on the inside and the outside of the structure.
  • SideDitchWithLid
    This subassembly creates a ditch structure to add to either the left or the right sides of the assembly.
  • SimpleNoiseBarrier
    This subassembly inserts a noise barrier with the option to specify a topsoil material.
  • StrippingPavement
    This subassembly is used to specify the existing top layer stripping to a specified depth.
  • StrippingTopSoil
    This subassembly is used to specify stripping of top soil to a specified depth.
  • TrenchPipe1
    This subassembly creates a flat-bottom trench with equal sideslopes and up to three layers of backfill material.
  • TrenchPipe2
    This subassembly creates a flat-bottom trench with equal sideslopes, and up to three layers of backfill material. The width of the trench is determined by a user- specified width and minimum pipe cover.
  • TrenchPipe3
    This subassembly creates a flat-bottom trench with equal sideslopes and allows for two surface types and will use the slope specified for the surface it is below. Up to three layers of backfill material are available. The width of the trench is determined by a user-specified width and minimum pipe cover.
  • TrenchWithPipe
    This subassembly creates a stone-filled drain structure with a circular pipe inside.
  • UrbanCurbGutterGeneral
    This subassembly inserts links for a standard shape concrete curb-and-gutter with subbase.
  • UrbanCurbGutterValley1
    This subassembly inserts links for a flat-bottomed valley curb and gutter with subbase.
  • UrbanCurbGutterValley2
    This subassembly inserts links for a slope-bottomed valley curb and gutter with subbase.
  • UrbanCurbGutterValley3
    This subassembly inserts links for a slope-bottomed valley curb and gutter with subbase.
  • UrbanReplaceCurbGutter1
    This subassembly is used to replace an existing curb and gutter, with the sod strip tying to the existing inside edge of sidewalk. The vertical placement of curb and gutter is determined by allowable milling and/or overlay at the flange points and by allowable ranges of slopes for sod strip.
  • UrbanReplaceCurbGutter2
    This subassembly is used to replace an existing curb and gutter, with the sod strip tying to the existing inside edge of sidewalk. The vertical placement of the curb and gutter is controlled by a design profile of the back of curb.
  • UrbanReplaceSidewalk
    This subassembly is used to replace an existing sidewalk, starting at the existing outside edge of sidewalk and inserting surfaces towards the curb.
  • UrbanSidewalk
    This subassembly inserts links for a concrete sidewalk with inside and outside grass boulevards.

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