Topsoil Removal/Replacement
The Topsoil Removal and Replacement options (shown here) allow the
user to Define Topsoil removal and replacement depths, Set topsoil
removal and replacement areas by selecting closed polylines, Clear
the selected boundary polylines if needed, Hatch the topsoil
removal and replacement areas and Erase the hatched areas.
Define Topsoil Depths
This command requires user input to define the depth, or strata, of
topsoil removal and replacement. Fill in the options available in
the Define Topsoil Depths dialog (shown here). Carlson Takeoff will
perform four functions with these values. First, the value set for
the Removal Depth, or the Top Strata if selected, will be the
"defined" removal amount from the Existing Ground Surface. Second,
the calculated volume of topsoil removed will be included in the
reporting options. Third, the value set for the Replacement Depth
will be added "BELOW" the Finished Ground Surface model. Fourth,
the amount of topsoil replaced will be included in the reporting
options.
When topsoil depths are defined, the volume report routines will
include the topsoil quantities. These topsoil quantities are in
addition to the cut/fill for the existing to design surfaces for
the site.
The Removal Swell Factor and Replacement Shrink Factor are
multiplied by the topsoil removal and replacement quantities
respectively in the volume report routines. The Density is used to
report topsoil tons when the volume report option for tons is
active.
The Topsoil Offset Method choose between offsetting the topsoil
depth vertically or perpendicular to the surface. The perpendicular
method will result in more topsoil quantities since it represents
applying the topsoil depth to the slope area of the surface whereas
the vertical method represents applying the topsoil depth to the
horizontal area.![](Topsoil_Depths.bmp)
Prerequisite: topsoil depths
Keyboard Command: define_topsoil
Identify Topsoil Polylines
This command allows users to identify topsoil polylines by either
picking on a polyline(s) or by searching the entire drawing. The
command will then report the layer name and starting point for both
removal and replacement polylines. These polylines are also
highlighted in the plain view.
Prerequisite: topsoil polylines
Keyboard Command: id_topsoil
Report Topsoil Areas
Use this command to report the Inclusion or Exclusion area (SF),
the type, the depth, the layer, and the starting point.
Prerequisite: topsoil areas
Keyboard Command: report_topsoil
Label Topsoil Areas
This command labels the topsoil type and area in the plain
view.
Prerequisite: topsoil area
Keyboard Command: label_topsoil
Erase Topsoil Labels
This command erases topsoil labeling.
Prerequisite: hatched topsoil
Keyboard Command: erase_topsoil_labels
Set Topsoil Removal Polylines
Use this command to select the "CLOSED" polyline boundary defining
the extents of topsoil removal and any "CLOSED" interior polylines
that define the topsoil removal area. The layer names for these
boundaries is irrelevant. You will be prompted to use the Removal
Depth defined in the Define Topsoil Depths command or to customize
your depth.
Prerequisite: polylines for removal
Keyboard Command: tag_topsoil_remove
Clear Topsoil Removal Polylines
This command allows the user to remove and previously selected
Topsoil Removal Polyline boundaries.
Prerequisite: topsoil polylines
Keyboard Command: untag_topsoil_remove
Hatch Topsoil Removal Area
Use this command to display a hatch pattern over the entire area
designated for topsoil removal.
Prerequisite: topsoil areas
Keyboard Command: hatch_topsoil_remove
Erase Topsoil Removal Hatch
Use this command to remove the hatch pattern that defined the
topsoil removal area.
Prerequisite: hatched topsoil
Keyboard Command: erase_topsoil_remove
Set Topsoil Replacement Polylines
Use this command to select the "CLOSED" polyline boundary defining
the extents of topsoil replacement, and any "CLOSED" interior
polylines that define the topsoil replacement. The layer names for
these boundaries is irrelevant. You will be prompted to use the
Topsoil Replacement amount defined in the Define Topsoil Depths
command or to customize your amount.
Prerequisite: polylines for replacement
Keyboard Command: tag_topsoil_replace
Clear Topsoil Replacement Polylines
This command allows the user to remove and previously selected
Topsoil Replacement Polyline boundaries.
Prerequisite: topsoil polylines
Keyboard Command: untag_topsoil_replace
Hatch Topsoil Replacement Area
Use this command to display a hatch pattern over the entire area
designated for topsoil replacement.
Prerequisite: topsoil areas
Keyboard Command: hatch_topsoil_replace
Erase Topsoil Replacement Hatch
Use this command to remove the hatch pattern that defined the
topsoil replacement area.
Prerequisite: hatched topsoil
Keyboard Command: erase_topsoil_replace