A tentative deal worth about $350 million was first disclosed in December.
Under the tentative deal, Medicare savings would total $168 billion over seven years.
On November 26, after 15 hours of talks, a tentative deal was reached.
The city and the authority struck a tentative deal in August 1966.
On November 6, 2006, the union and city reached a tentative deal to increase pay by 7.1 percent over two years.
Further details of the tentative deal came to light yesterday.
Later that day, he instructed his lawyer to call off a tentative deal.
That leaves the mechanics as the major group without a tentative deal.
A tentative deal was reached at a price of $48 million in 2008.
There were also tentative deals for 10 projects worth $570 million.