Section
In addition to doing a number of plans, I'm also working with the section too. The following needs to be layered and given some depth...
As a whole across the river and site:

And zooming into a part:

As a whole across the river and site:

And zooming into a part:


I can't quite tell where you are actually cutting. Once you establish the cut line you might want to turn that part into a drawing so it can be more legible, detailed and precise.