APPENDIX C: BASIC REQUIREMENTS BY ZONING DISTRICT
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   Table C-1 Endnotes
A    Forty feet but shall not be less than the height of building when across street from one-family district.
B   For each foot of building height over 40 feet, the distance between such building and the side or rear property lines of the project shall be increased by one foot in addition to the setback required for a three-story building.
C    This area shall be measured in accordance with the provisions of Development Plan, measurement as defined by § 150.03 except that land devoted to institutional structures and grounds may be applied to the development.
D   No principal building shall exceed a height equal to the distance between the front face of the building and the center line of the street on which it fronts. Any high rise buildings shall be located within a project in such a way as to dissipate any adverse impact on adjoining low rise buildings either within or outside the project and shall not invade the privacy of the occupants of such low rise buildings.
E   No accessory structure shall exceed two stories or 25 feet in height.
F   The area of any interior parking space contained within an office building or within a multi-story parking structure shall not be included in the calculations of floor area or lot coverage requirements, provided that said building or structure shall comply with all setback requirements.
G   Whenever an O District abuts in the front, in the rear or on the sides of an R District, any building or structure on any premises in the O District shall set back from the side or rear lot line dividing the two districts a distance of two feet for each foot of building or structure height. In the case of a front setback, measurement may be taken from the center line of the street right-of-way.
H   In unusual cases, the Planning Commission may reduce this restriction, provided a development plan is submitted and approved.
I   Except as modified by § 150.153 for service stations.
J   Except when abutting an R-District where it shall be not less than 50 feet.
K   As defined by § 150.03.
L   The height limitations stipulated above shall not apply to the following:
      (1)   Church buildings, architectural features. Barns, silos or other farm buildings or structures on farms; to church spires, belfries, cupolas and domes, monuments, water towers, windmills, chimneys, smokestacks, flag poles, masts and aerials; to parapet walls extending not more than four feet above the limiting height of the building.
      (2)   Places of public assembly. Places of public assembly in churches, schools and other permitted public and semi-public buildings, provided that these are located on the first floor of such buildings and provided that for each three feet by which the height of such buildings exceeds its yards shall be increased in width or depth by an additional foot over the setbacks required for the highest building otherwise permitted in the district.
      (3)   Water tanks, elevator penthouses, and the like. Elevator penthouses, water tanks, provided no linear dimension of any such structure exceeds 50% of the corresponding street lot line frontage; or to towers and monuments, fire towers, hose towers, cooling towers, or other structures, where the manufacturing process requires a greater height.
         (a)   Minimum requirements. All such structures above the heights otherwise permitted in the district shall not occupy more than 25% of the area of the lot and shall be distant not less than 50 feet in all parts from every lot line.
M      In any district where dwellings are permitted, a one-family detached dwelling may be erected or improved on any lot of record, recorded prior to October 1, 1976, and having areas or widths less than those currently required by ordinance for the districts in which the lot exists, may be used for any currently permitted use within the district provided that the applicable setback and open space requirements are complied with except for those cases covered by Notes O and P.
N   In the case of curvilinear street and cul-de-sacs, a reduction of the otherwise specified frontage along the front property line is permitted provided such reduction shall not result in the lot width at the building line or the lot area being less than that required in the district where located.
O   One-family detached dwellings may be erected or improved on any lot in the R-2 District recorded prior to October 1, 1976, and having areas or widths less than those currently required for the R-2 District. However, the side and rear setbacks may not be reduced below the following minimums:
      (1)   Side setbacks not adjacent to street, 8% of lot width.
      (2)   Side setback adjacent to street, the greater of 20 feet or 30% of lot width.
      (3)   Rear setback, 30 feet.
P   Double frontage lots. Buildings on lots having frontage on two nonintersecting streets need not have a rear setback if an equivalent open space is provided on the lot in lieu of such required rear setback; applicable front setbacks must be provided, however, on both streets.
Q   The following features may project into any required front setback, side setback adjoining a street or rear setback:
      (1)   Bay windows. Bay windows, balconies, porches (including covered porches but not including porches enclosed or screened by walls and/or windows on more than one side) and chimneys, may project a distance not exceeding five feet, provided that such features do not occupy, in the aggregate, more than one-third of the length of the building wall on which they are located.
      (2)   Cornices. Cornices, canopies, eaves, or other architectural features of this type may project a distance not exceeding three feet.
      (3)   Uncovered stairway. An uncovered stair and necessary landings may project a distance not to exceed six feet, provided the stair and landing shall not extend above the entrance floor of the building, except for a railing not exceeding three feet in height.
R   The features named in Note O may project into any required side setback not adjoining a street a distance not to exceed one-fifth of the required least width of the side setback but not exceeding three feet in any case.
S   The side setback width may be varied where the side wall of a building is not parallel with the side lot line or is broken or otherwise irregular. In such case the average width of the side setback shall not be less than the otherwise required least width. However, such side setback shall not be narrower at any point than one-half the otherwise required least width, or narrower than four feet whichever is greater.
T   Steep slopes; front setback garages. In any R-District where the natural grade of a lot within the required front setback has an average slope, normal to the front line at every point along the line, of such a degree or percent of slope that it is not practicable to provide a driveway with a grade of 12% or less to a private garage conforming to the requirements of this chapter, such garage may be located within such front setback, but not in any case closer than 12 feet to the street line.
U   Minimum one side of 15 feet and combined side setbacks 40 feet.
V   2-1/2 stories or 35 feet.
W   l-1/2 stories or 20 feet.
(Ord. 10-1986, passed 5-19-86; Am. Ord. 29-1987, passed 8-17-87; Am. Ord. 32-1991, passed 12-2-1991)