The district height limitations stipulated elsewhere in this
chapter may be exceeded, but such modification 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 structures. 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. Essential services, utilities, water towers,
and electric power and communication transmission lines are subject
to conditional use permit.
D. Communications structures. 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. Agricultural structures such as barns, silos
and water windmills shall not exceed in height twice their distance
from the nearest lot line.
F. Public facilities. 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 stairs. 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 must be eight feet or more above ground.
B. Architectural projections. 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. Culs-de-sac and curves. Residential lot frontage on culs-de-sac and
curves may be less than 100 feet, provided that the width at the building
setback line is at least 60 feet and the street frontage is not less
than 45 feet.
D. Essential services. Essential services, utilities and electric power
and communication transmission lines are exempt from the yard and
distance requirements of this chapter.
E. Front yards. The required front yard may be decreased in any residential
or business district to the average of the existing front 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. Encroachments. Terraces, uncovered porches, decks or similar appurtenances
to residential buildings which do not extend above the floor level
of the adjacent building entrance may protrude five feet into the
required front yard and 10 feet into the required rear yard.