REVIT: I need to integrate land elevations with the 3d model I already did

Job ID: 38644140

Budget: €30 – €250 EUR

I have a 3D model of Revit 2025 displaying 3 different houses and the position in the land plan. I already did this.
Then I provide u the pic with the
elevations of the land and I need to have back the model with the land as I asked for