In exercising the powers granted herein, 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 from, and may make such order, requirement, decision or determination as should be made and, to that end, shall have all the powers of the officer for whom the appeal is being taken, in so far as the decision on the particular issue is concerned, and in making its determination the city council may bear any pertinent facts bearing on the case.