Not training? I think, if you do those stairs regularly you'll notice a dif running hills and also power output on the bike.
And your construction guy coworkers will think you are totally nuts.
Btw, are you walking back down too? You might dev quite an imbalance if not.
i am walking back down. i think i am gonna shoot for at least one tower per day. good for legs and for getting me out of the trailer.