The regulations specified in this title shall be subject to the following exceptions, modifications and interpretations:

A.

Structures Permitted Above the Height Limit. The building height limitations of this title shall be modified as follows: chimneys, cooling towers, utility poles, elevator bulkheads, fire towers, monuments, stage towers or scenery lofts, water tanks, churches, ornamental towers and spires, radio or television towers, or necessary mechanical appurtenances may be erected to a height in accordance with existing or hereafter adopted ordinances of the city.

B.

Water and Sewerage Requirements. In any district in which residences are permitted, except the A-1 district, and where neither public water supply nor public sanitary sewer is available, the minimum lot area and frontage requirements shall be as follows:

1.

Lot area: one acre (forty-three thousand five hundred sixty square feet); lot width at building line:
one hundred fifty feet; provided, however, that where a public water supply system is available these requirements shall be twenty thousand square feet and one hundred thirty feet, respectively.

2.

The above requirements shall not apply in subdivision developments providing private water supply and sewage collection and disposal systems which have been approved by the Iowa Department of Natural Resources.

3.

In all districts where a proposed building, structure or use will involve the use of sewage facilities, and public sewer and/or water is not available, the sewage disposal system and domestic water supply shall comply with all of the requirements and standards of the Winneshiek County board of health.

C.

Double-Frontage Lots. Buildings on through lots extending through from street to street shall provide the required front yard setback on both streets.

D.

Other Exceptions to Yard Requirements. Every part of a required yard shall be open to the sky, unobstructed by any building or structure, except for a permitted accessory building in a rear yard, and for the ordinary projections of sills, belt courses, cornices, ornamental features and roof overhang projecting not to exceed thirty inches into the setback, and except for yard recreational and laundry drying equipment, arbors and trellises, flagpoles, yard lights, and similar decorative items.

E.

Mixed-Use Yard Requirements. In instances where buildings are erected containing two or more uses housed vertically, the required side yards for the first floor use shall control.

F.

Visibility at Intersections. On a corner lot in all districts, except the C-3 district, nothing shall be erected, placed, planted or allowed to grow in such a manner as materially to impede vision between a height of two and one half and ten feet above the centerline grades of the intersecting streets in the area bounded by the right-of-way lines of such corner lots and a line joining points on said right-of-way lines forty feet from their point of intersection.

(Ord. 952 (part), 1993)