The planning commission may permit the erection and use of a building or the use of premises in districts where such uses are permitted, provided that the planning commission shall find that such use will not substantially interfere with the use or value of surrounding property, and provided, that the building used for such purpose will be in harmony with the character of the district in which it is located and shall comply with the following regulations:

(1)

No such building shall exceed 55 feet in height. See section 44-827.

(2)

There shall be a front yard having a depth of 25 feet.

(3)

There shall be two side yards each of which shall be not less than 20 feet in width with an increase of one foot in width for each five feet or part thereof by which the said building or structure exceeds 35 feet in overall dimensions along the side yard.

(4)

There shall be a rear yard with a depth of not less than 30 feet.

(5)

Not more than 30 percent of the lot may be covered by buildings or structures.

(Code 1969, § 5.266; Code 1977, § 28-450)