The Governing Body is hereby authorized:
(b) To take action as prescribed in § 8-512(b);
(c) To hear appeals if there is opposition to any order, requirement, decision or determination by the public officer in enforcement of this code as outlined in § 8-518; and
(d) Discretionary authority may be exercised in specific cases where variance from the terms of the code as:
(1) Will not adversely affect the public health, safety or welfare of inhabitants of the city;
(2) Is in harmony with the spirit of this code; and
(3) Where literal enforcement of the code will result in unnecessary hardship.