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CALCULATE VOLUME IN CIVIL 3D FROM A TOPOGRAPHIC LEVEL SURVEY AND A FINISH LEVEL AUTOCAD DRAWING

CALCULATE VOLUME IN CIVIL 3D FROM A TOPOGRAPHIC LEVEL SURVEY AND A FINISH LEVEL AUTOCAD DRAWING

CALCULATE VOLUME IN CIVIL 3D FROM A TOPOGRAPHIC LEVEL SURVEY AND A FINISH LEVEL AUTOCAD DRAWING

(OP)
Hello Forum,
I have just started using Civil 3D and I am a novice
I would like to calculate the volume of excavation from an existing ground level survey and a finish level AutoCAD drawing. The finish level AutoCAD drawing is not a single base level but is a large site with various required foundations at different levels.
Please advise

RE: CALCULATE VOLUME IN CIVIL 3D FROM A TOPOGRAPHIC LEVEL SURVEY AND A FINISH LEVEL AUTOCAD DRAWING

In Civil 3D go to the Analyze tab and select the Volumes Dashboard. You'll need to create a new Volume Surface, set the Base Surface (your existing ground, typically) and Comparison Surface (Finished Grade or Subgrade surface), and apply any cut/fill factors (if known; see Help for details). Your earthwork volumes will show in the Volumes Dashboard. Set the Volume Surface to automatically rebuild if you want it to update dynamically with surface changes.

#

RE: CALCULATE VOLUME IN CIVIL 3D FROM A TOPOGRAPHIC LEVEL SURVEY AND A FINISH LEVEL AUTOCAD DRAWING

(OP)
Hello Pinwards,

Thankyou for your response.

I am basically familiar with the volumes dashboard. From my limited knowledge it did appear that only a base reference datum could be entered against the comparison level survey information, or another surface.

I was hoping that it would be possible to adapt the information in the foundations AutoCAD level drawing automatically for a direct comparison and to obtain volumes. The foundations AutoCAD design drawing, in this case, is quite complicated with multiple foundations of different sizes and different levels. I was hoping to find a method of avoiding having to enter this information manually, which would be extremely time consuming.

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