The district height limitations stipulated elsewhere in this chapter may be exceeded, but such modification shall be in accordance with the following:

(1)

Architectural projections, such as spires, belfries, parapet walls, cupolas, domes, flues and chimneys, are exempt from the height limitations of this chapter.

(2)

Special structures, such as elevator penthouses, gas tanks, grain elevators, scenery lofts, radio and television receiving antennas, manufacturing equipment and necessary mechanical appurtenances, cooling towers, fire towers, substations, and smoke stacks, are exempt from the height limitations of this article.

(3)

Essential services, utilities, water towers, electric power and communication transmission lines are exempt from the height limitations of this article.

(4)

Communication structures, such as radio and television transmission and relay towers, aerials, and observation towers, shall not exceed in height three times their distance from the nearest lot line.

(5)

Agricultural structures such as barns, silos, and windmills, shall not exceed in height twice their distance from the nearest lot line.

(6)

Public or semi-public facilities, such as schools, churches, hospitals, monuments, sanitariums, libraries, governmental offices and stations, may be erected to a height of 60 feet, provided all required yards are increased not less than one foot for each foot the structure exceeds the district's maximum height requirement.

(7)

Small height additions. Penthouses, stage towers, scenery lifts, elevators, bulkheads, clock towers, cupolas, water tanks, and similar structures and mechanical appurtenances may be erected on a building to a height greater than the limit for the district in which the building is located, provided that no such exception shall cover, at any level, more than 25 percent of the area of the roof on which it is located; provided, further, that no such exception shall be used for sleeping or housekeeping purposes or for any commercial purpose other than such as may be incidental to the permitted use of the main building.

(Code 1986, § 10-1-70)

Requirements as to lot width and area for the construction of a one-family dwelling shall not apply to any lot having less than the required area or width at the time of adoption of this chapter or any amendment thereof increasing the area of width required for such lot, and held at the time in separate ownership from that of adjoining land, provided that the area and the width of such existing lot shall be no less than 75 percent of the required minimum set forth in the lot, building and yard requirements, sections 58-69 and 58-70.

(Code 1986, § 10-1-71)

In residential districts, except for corner lot, required setbacks shall be modified in the following cases: Where 50 percent or more of the frontage on a block is occupied by residences having setbacks less than that required by this chapter, setback on each remaining lot shall be determined in accordance with the following rule. The front building line of a proposed structure shall be no nearer the front lot line than a line joining adjacent front corners of the nearest principal structures which are in the same block frontage on either side of the proposed structure. If, on a block frontage, no principal structure exists to one side of a proposed structure, a structure may be assumed to exist on the corner lot which conforms to the minimum setback and side yard width requirements of this article.

(Code 1986, § 10-1-72)

(a)

The following extensions shall be permitted into required yards:

(1)

Canopies and marquees in business districts six feet (not permitted in interior side yards).

(2)

Cornices and similar extensions: One foot.

(3)

Open fireproof fire escapes: Three feet.

(4)

Eaves: Two feet.

(b)

The following restrictions shall apply to the permitted extensions:

(1)

Cornices, canopies, marquees and similar extensions shall be at least ten feet above ground level.

(2)

Canopies shall, in no case, extend nearer than three feet back of the face of a curb.

(Code 1986, § 10-1-73)

In the B-l Business District, canopies attached to business structures at the front property line shall be permitted to extend over the sidewalk, subject to the width restriction of section 58-222(a) and the further restrictions of section 58-222(b). A zoning permit shall be required for any canopy projecting into the right-of-way of any street. Permits for such structures shall be revocable as provided in Wis. Stats. § 86.04.

(Code 1986, § 10-1-74)

Corner lots shall have two front yard setbacks along the street sides and two side yards with a minimum specified for the district.

(Code 1986, § 10-1-75)

Where an industrial district abuts a residential district, there shall be provided along any rear, side or front line, coincidental with any industrial-residential boundary, a buffer strip not less than 40 feet in width, as measured at right angles to the lot line. Plant materials at least six feet in height, of such variety and growth habits as to provide a year-round effective visual screen when viewed from the residential district, shall be planted within the exterior 25 feet abutting the residential district. If the required planting screen is set back from the industrial-residential boundary, the portion of the buffer strip facing the residential district shall be attractively maintained. The exterior 25 feet of the buffer strip shall not be devoted to the parking of vehicles or storage of any material or accessory uses. The interior 15 feet may be devoted to parking of vehicles.

(Code 1986, § 10-1-76)

Residential lot frontage on cul-de-sacs and curves may be less than 80 feet, provided the width at the building setback line is at least 80 feet and the street frontage is no less than 45 feet.

(Code 1986, § 10-1-77)