The regulations in this chapter shall be subject to the following interpretations and exceptions.

(Prior Code, App.)

   Essential services shall be permitted as authorized and regulated by law and other ordinances of the city; it being the intention hereof to exempt such essential services from the application of this chapter.

(Prior Code, App., § 1400)

   The provisions of this chapter shall not be so construed as to interfere with the temporary use of any property as a voting place in connection with a municipal or other public election.

(Prior Code, App., § 1401)

   The height limitations of this chapter shall not apply to farm buildings, chimneys, church spires, flag poles, public monuments or wireless transmission towers; provided, however, that the Board of Appeals may specify a height limit for any such structure when the structure requires authorization as a use permitted on special approval or under § 160.217.

(Prior Code, App., § 1402)

   Any lot existing and of record at the time this chapter became effective may be used for any principal use, other than uses permitted on special approval for which special lot area requirements are specified in this chapter, permitted in the district in which the lot is located whether or not such lot complies with the lot area requirements of this chapter; provided that all requirements other than lot area requirements prescribed in this chapter are complied with; and provided that not more than 1 dwelling unit shall occupy any lot except in conformance with the provisions of this chapter for required lot area for each dwelling unit.

(Prior Code, App., § 1403)

   In calculating the area of a lot that adjoins an alley or lane, for the purpose of applying lot area requirements of this chapter, 1/2 the width of the alley abutting the lot shall be considered as part of the lot.

(Prior Code, App., § 1404)

   When yard regulations cannot reasonably be complied with, as in the case of a planned development in the multiple-family district, or where their application cannot be determined on lots existing and of record at the time this chapter became effective, and on lots of peculiar shape, topography or due to architectural or site arrangement, the regulations may be modified or determined by the Board of Appeals.

(Prior Code, App., § 1405)

   For the purpose of side yard regulations, a two-family, a terrace, a row house, or a multiple-dwelling shall be considered as 1 building occupying 1 lot.

(Prior Code, App., § 1406)

   Architectural features, not including vertical projections, may extend or project into a required side yard not more than 3 inches for each 1 foot of width of the side yard and may extend or project into a required front yard or rear yard not more than 3 feet. Architectural features shall not include those details which are normally demountable.

(Prior Code, App., § 1407)

   Fences and walls may occupy a required rear or side yard.

(Prior Code, App., § 1408)

   Structures 4 feet in height or less shall not be considered in computing maximum percent of lot coverage.

(Prior Code, App., § 1409)

   Repealed by Ord. of 9-19-1974.

(Prior Code, App., § 1410)

   For the purpose of this chapter, access drives may be placed in the required front or side yards so as to provide access to rear yards and/or accessory or attached structures. These drives shall not be considered as structural violations in front and side yards. Further any walk, terrace or other pavement servicing the like function, and not in excess of 9 inches above the grade upon which placed, shall for the purpose of this chapter not be considered to be a structure, and shall be permitted in any required yard.

(Prior Code, App., § 1411)

   An open unenclosed paved terrace may project into a front yard for a distance not exceeding 10 feet, but this shall not include or permit fixed canopies.

(Prior Code, App., § 1412)