So, the drawings were done by the GC or atleast the company he uses to create them. The courses of block that are there are about the same courses in the drawing, but apparently the slope is slightly worse in person than their drawings. So in order for it to have been level with the alley, 2-3 courses more would have been required.
In my mind, they should have said, "The drawings don't accurately reflect how severe the grade of your land is. We'll need to add 2 courses of block and extra stone which will increase the cost X amount of dollars."
I wish we had that conversation instead of listening to him say that the 12" drop would be reasonable.
Agreed. GC should have stepped up even if he hadn't prepared drawings after seeing that you would have difficulty using garage the way project was planned. Good luck with it and hope you find a good solution.


