Pond Design Example

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Pond Design Example

Updated April 12, 2019

This article applies to:
  • RoadEng Civil
  • RoadEng Forestry

Download the tutorial files for this example HERE.

This example will demonstrate how to:

  • create sections with the original ground surface and a designed pond
  • calculate volumes using the Average End Area method.
  • create a profile showing Existing and Proposed elevations.

Prior to starting this example the following TIN surfaces were created.

Original Surface (OG) – “Topo.terx”

Designed Surface (FG) – “Final.terx”

Original Surface (OG)

Designed Surface (FG)

Creating A New Location Design

  • Open the Location module and choose menu File | New.
  • When prompted open the original ground terrain Topo.terx from the appropriate folder.

Figure 1: Original GroundSurface Dialog

  • When the Initial Alignment dialog appears, choose feature CL-0. Press Next.

Figure 2: Initial Alignment dialog

NOTE: CL-0 feature was selected in the OG terrain file.

  • When the Initial Cross Section dialog appears, choose Standard Template. Then press Finish.

Setting Up The Cross Sections

  • Select Module | Setup to open the Location Setup dialog box below. Select the Alignment tab click on the Terrains button to open the Reference Terrains dialog box shown below. Select PondFinal.terx.

Figure 3: Reference Terrain dialog.

  • Change the Auto Report Points to 2m. spacing with Automatic calculation, Setup | Location Setup | Alignment | Report Point Properties.(see figure below).

Figure 4: Set 2m Report Points.

  • Open the Template Editor (Home | Templates) and Merge in FollowSurfaceComponent.tpl (included with this example). Press OK to exit the Template Editor.

Figure 5: Merge FollowSurfaceComponent.tpl

Choose menu Home | Assign Parameters by Range. In the Templates tab select template FS0 Follow Surface, Set the station from and/to .. and press Add/Edit. The dialog should appear as shown below.

Figure 6: Assign By Range Dialog

Adjusting the Profile to Match Designed Pond

  • From the View menu choose Retrieve Screen Layout.Choose layout OutputSections.dlt provided with this example.
  • Maximize the Profile Window and right click and choose menu Profile Options.Check the Reference Surfaces option and click on the “+” button to choose reference PondFinal.terx as shown in figure below.

Figure 8: Profile Reference Surface

  • Press OK twice to return to the Profile window.It should appear similar to screen in the figure below.

Figure 9: Profile with Final Pit Reference Surface

  • Using standard profile editing tools, insert points along the ground and pit surface using the mouse.The result should appear shown in the figure below.

Figure 10: Profile with Final Pit Reference Surface

  • This completes the example.