The City shall have all powers, privileges and immunities possible
for a City to have under the Constitution and laws of this state as
fully and completely as though they were specifically enumerated in
this Charter.
The City shall have power to join, with any governmental unit
or agency, or with any number or combination thereof, by contract
or otherwise as may be permitted by law to have performed jointly
or by one or more of them for or on behalf of the other or others
or by any other person, firm or corporation, any power or duty which
is permitted to be so performed by law or which is possessed by, or
imposed upon, each such governmental unit or agency; provided, however,
any such contract or contracts shall provide an escape clause in favor
of the City.