The city Planner may, acting on his or her own initiative or in response to an inquiry, issue interpretations of any provision of this title for which the director of public works shall be responsible. The city Planner shall base his or her interpretations on the following:
A. the defined or common meaning of the words of the provision;
B. the general purpose of the provision; and,
C. the meaning of the provision in relation to the Comprehensive Plan.