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Basin calcs

Bryan G.

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  • Vectorworks, Inc Employee

I'll suggest a possible workflow and if someone else has a better alternative, let us know. When you create your existing surface Site Model (DTM), create the proposed bottom of the basin as a pad with a flat (non sloped surface). Then create what you would expect to be the top of basin as a pad at that elevation. But, when making that top of basin elevation, have it be a modifier for the existing dtm. You can then do your cut and fill calculations from the updated proposed dtm, and see what it gives.

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  • Vectorworks, Inc Employee

Until we have the ability to separate cut/fill calcs by boundaries, you can now (with 2011) get a volume report that actually puts the volume change right on each facet...so you would need to see the facets involved with the separate areas and gather the volume changes for those facets. If they are small facets and many, it would be a chore...but the alternative would be to have separate site models with site modifiers in the specific areas per site model.

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