The Village Clerk shall serve as ex-officio Secretary of the Board of Local Improvements. The Clerk shall attend all meetings of the Board and shall keep minutes of its proceedings. The Clerk shall preserve and file all petitions, resolutions, papers and documents and other official actions of the Board. The Clerk shall mail and post all estimates and notices which are required by law to be made by the Board to the corporate authorities. The Secretary shall perform all other acts and duties required by statute and by the Board of Local Improvements.