Setting the Site Toposurface

creating a Toposurface from scratch and adding pavings and site components.

• To follow along, start a new Revit model.
• Go to the Site plan in the Project Browser.
• On the Site tab of the Design toolbar, select the Toposurface button.
• The design Toolbar turns into the Sketch toolbar. Select the Point button.
• In the Options toolbar, change the elevation to 3'-0"
• Pick several points on the view window as shown below.

  

• In the Options toolbar, change the elevation to 2' 6" and pick several points as shown below. These points will be to the left of the first column of points.
• Change the elevation to 2'0" and repeat the procedure to the left.
• Keep doing this until you have reached 0'-0"
• Select the Properties button.
• Change the material to Site - Grass.
• Click OK twice.
• Select Finish Surface .
• Click 3D.



• Go to a plan view.
• Select Split Surface
• Pick the toposurface.
• Draw a rectangle representing a building.



• Select Finish Sketch
• Select the new topography.

  

• Click the Element Properties button on the Options Toolbar.
• Put the change the material to Site - Earth.
• Back in the Site Plan, select the Subregion button.
• Pick the Lines button.
• Draw a sidewalk, just as you would in AutoCAD. Two things to look out for:

  The lines must form a continuous loop with no overlapping items and gaps.

  You cannot go outside of the Toposurface boundaries.

• Once the lines are sketched in, select the Properties button.
• Change the material to Site - Asphalt.
• Select Finish Sketch
• Click 3D



• Go back to the site plan.
• Select the Site Component button from the Design Toolbar.
• Click Load… on the Options Toolbar.
• Go to the Planting folder.
• Open Shrub.rfa
• Click on the Element Properties button.
• Edit / New
• Duplicate…
• Call it Forsythia x Intermedia 2'.
• Change the plant height to 2'.
• Click OK.
• Place the new shrubs around the site.