The volume of excavation works 1.0

Calculation of the volume of excavation works is carried out during the design and during the execution of works. The application will help calculate the amount of excavation for:
  - Trenches with vertical walls
  - Trenches with vertical walls, with a difference of heights
  - Trenches with slopes
  - Trenches with slopes, with a difference of heights
  - Ditch with vertical walls, with different elevations
  - Ditch with vertical walls
  - Ditch with slopes
  - Round well with slopes