The principal article addresses modernization, a topic of increasing interest as the huge numbers of machines installed in buildings of the 1960's and 1970's wear out and demand increased attention. In a smaller item, there are some interesting aspects of elevator traffic analysis that we would like to share. The elevator maintenance contractor is having a hard time keeping things in adjustment.
Parts are harder to find.
It is time to think about modernization. The maintenance contractor is happy to give you a quote. It is a lot of money, so you get a second quote, and maybe a third. You try to compare them, but they don't match. Welcome to the world of Elevator Modernization.