The Board shall adopt rules in accordance with the provisions of this Chapter. Meetings of the Board shall be held at the call of the Chairman and at such other times as the Board may determine. Such Chairman, or in his/her absence the Acting Chairman, may administer oaths and compel the attendance of witnesses. All meetings of the Board shall be open to the public. The Board shall keep minutes of its proceeding, showing the vote of each member upon each question, or, if absent, or failing to vote, indicating such fact, and shall keep records of its examinations and other official actions all of which shall be immediately filed in the City Hall and shall be public record. All testimony, objections thereto and rulings thereon at public hearings shall be reported or recorded by a court reporter, or competent mechanical reporting equipment that will allow a transcript to be typed for review. The costs shall be taxed against the applicant and the system of reporting and taxing of costs shall be as directed by the Board. The presence of three (3) members shall be necessary to constitute a quorum.