If you have VectorWorks Architect, you should wall styles. They will make it much quicker…
podcast 178 – Replacing Walls Quickly with Wall Styles
If you use wall styles, it is very fast to change the walls from one style to the other. Replacing Walls. This allows you to copy the walls from one layer and then replace the wall style to get a completely different wall, but one that lines up with the walls above. This can make it extremely fast to create your foundation drawings. Watch the movie to see how it’s done.