If you are going to do it correctly this is what you have to do. Management with a brain knows it is needed but always question the cost. You have to swallow really hard to build a bench like like this.
I note that it is a 20MW test bench. I guess they are planning ahead.
Yes and wind turbines have such a bad maintenance history you really have to do your homework to see if the thing will run for 20 years without a major overhaul.