It shall be the duty of the President of Council to preside at all meetings of Council, appoint various Council Committees, and perform such other duties as may be imposed by Council upon its presiding officer and such other duties as are imposed upon him by this Charter, coordinating the work of the various committees appointed by him. The President of Council shall have the right to vote on all ordinances, resolutions, or motions coming before the Council only in the event of a tie vote.