Pick up a Loos guage and do her yourself. It's not rocket science and, with your lessons, will make you aware of the stresses imparted to the rig under varying conditions. And, you'll probably end up knowing more than 50% of your dock mates! Check out the articles and forums on here as suggested.
ps don't be scared, ya gotta really work at it to break something while alongside the dock. That is, unless you're Portugese!(G)
“Scientists are people who build the Brooklyn Bridge and then buy it.”
Wm. F. Buckley, Jr.