The snapback is a considered a snapback because it's the end of concessionary rates. The yearly pay increase does not normally occur in the amendable year, so the increase listed in the contract is the expiration of the concessionary rates. I know it's a bit confusing from the looks of the contract, but 3% it is.
You're probably not going to see a list of items given to management until at least a little farther along in the negotiating process.