The district height limitations stipulated elsewhere in this
chapter may be exceeded, but such modifications shall be in accord
with the following:
A. Architectural projections. Architectural projections such as spires,
belfries, parapet walls, cupolas, domes, flues and chimneys are exempt
from the height limitations of this chapter.
B. Special structure height limitations. 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 smokestacks are exempt from the height limitations of this chapter.
C. Essential services height limitations. Essential services, utilities,
water towers, and electrical power and communication transmission
lines are subject to conditional use permits.
D. Communications structures height restrictions. Communications structures
such as radio and television transmission and relay towers, aerial
and observation towers shall not exceed in height three times their
distance from the nearest lot line.
E. Agricultural structures height restrictions. Agricultural structures
such as barns, silos and windmills shall not exceed in height twice
their distance from the nearest lot line.
F. Public facilities height restrictions. Public or semipublic facilities
such as schools, churches, hospitals, monuments, sanitariums, libraries,
governmental offices and stations may be erected to a height of 60
feet, provided that all required yards are increased not less than
one foot for each foot the structure exceeds the district's maximum
height requirement.
The yard requirements stipulated elsewhere in this chapter may
be modified as follows:
A. Uncovered stair restrictions. Uncovered stairs, landings and fire
escapes may project into any yard, but not to exceed six feet and
not closer than three feet to any lot line, and a fire escape must
be eight feet or more above ground.
B. Architectural projection restrictions. Architectural projections
such as chimneys, flues, sills, eaves, belt courses and ornaments
may project into any required yard (setback requirements), but such
projection shall not exceed two feet.
C. Cul-de-sac and curve restrictions. Residential lot frontage on culs-de-sac
and curves may be less than 80 feet at the required building setback
line, provided that the width at the building setback line is at least
80 feet and the street frontage is no less than 45 feet.
D. Essential services exemptions. Essential services, utilities, and
electric power and communication transmission lines are exempt from
the yard and distance requirements of this chapter.
E. Street yard restrictions. The required street yards may be decreased
in any residential or business district to the average of the existing
street yards of the abutting structures on each side, but in no case
less than 15 feet in any residential district and five feet in any
business district.
F. Detached garage. Detached garages are permitted in the rear yard
and side yard only.
Sirens, whistles and bells which are maintained and utilized
solely to serve a public purpose are exempt from the sound level standards
of this chapter.