City Council Authority. In exercising the powers granted in this chapter, the city council may, in conformity with this title, reverse or affirm, wholly or in part, or may modify the order, requirement, decision, or determination appealed and may make such order, requirement, decision, or determination as should be made, and to that end, shall have all powers of the officer from whom the appeal is being taken, insofar as the decision on the particular issue is concerned, and in making its determination the city council may hear any pertinent facts bearing on the case.