The Council shall by ordinance make provision for:
(a) The time and place of regular meetings of the Council;
(b) The method of calling special meetings of the Council;
(c) The form and method of enactment of its ordinances and resolutions, except as otherwise provided in this Charter;
(d) The procedure for making public improvements and levying assessments, including the procedure for combining two or more public improvements and the levying of assessments therefor in one proceeding if the Council shall determine that it will be economical and practical to contract such improvements jointly;
(e) The advertising and awarding of contracts except as otherwise provided in this Charter;
(f) Such other general regulations as the Council may deem necessary including regulations as to the custody and use of an official seal by the Director of Finance as the Clerk of Council.