Section 14-1804 of the Zoning Code states:
(1) The Zoning Board of Adjustment shall consider the following criteria in granting a Zoning Board of Adjustment Certificate …
(a) that the grant of the Certificate will not substantially increase congestion in the public streets;
(b) that the grant of the Certificate will not increase the danger of fire or otherwise endanger the public safety;
(c) that the grant of the Certificate will not overcrowd the land or create an undue concentration of population;
(d) that the grant of the Certificate will not impair an adequate supply of light and air to adjacent property;
(e) that the grant of the Certificate will not adversely affect transportation or unduly burden water, sewer, school, park, or other public facilities;
(f) that the grant of the Certificate will not adversely affect the public health, safety, or general welfare;
(g) that the grant of the Certificate will be in harmony with the spirit and purpose of this Title; and
(h) that the grant of the Certificate will not adversely affect in a substantial manner any area redevelopment plan approved by the City Council or the Comprehensive Plan for the City approved by the City Planning Commission.