Nice to see this one finally breaking ground. I was browsing through the
planning PDF and noticed that it provides an actual structural height for the tower, which is 430 feet.
It's 400 feet to the roof line, and an additional 30 feet of mechanical screening (the numbers are on the third-to-last page of the PDF). I don't know anyone who can change the thread title will see this comment, but there you go.
It looks like they put the loading dock and garage entrance on Harrison so that the streetscape on Lansing will be better. The developers are planning on transforming that whole street: