(1) For the purpose of performing its project functions, the project authority, in addition to all other powers conferred on it by or under any other Act or law, may—
(a) exercise a specified project power; and
(b) exercise a power conferred on it by or under this Act.
(2) In addition, a project authority may do all other things necessary or convenient to be done for, or in connection with, or as incidental to, the performance of its project functions under this Act.