The following additional regulations shall apply to new construction
and substantial improvements constructed after March 1, 2011, in the
Residence A, Residence B, and Residence C Districts. A substantial
improvement shall be defined as improvements that exceed 40% of the
existing floor area of the lot as determined by the Building Inspector.
A. First floor elevation.
(1)
The first floor elevation level of a building shall not exceed
three feet on lots with a grade having less than a three-percent slope.
If a lot has a grade with a slope greater than 3%, the first floor
elevation is measured by calculating the average front yard along
the foundation wall.
(2)
If the distance between the mean street curb level and the mean
grade level is greater than three feet, the first floor elevation
can not exceed 1.5 feet.
B. Side yards. Except in the case of a corner lot, two side yards shall
be provided as follows:
(1)
For lots having a lot width greater than 140 feet:
(a)
The first story of a building shall have a thirty-two-foot aggregate
side yard setback and a fifteen-foot minimum side yard setback.
(b)
The second story of a building shall be set back a minimum of
an additional six feet from the first story wall ("the required second
story setback") unless:
[1] The width of the improvement proposed within the
required second story setback is no more than 75% of the building's
first story width directly beneath it; and, either:
[2] The front and rear facade planes of the proposed
improvement within the required second story setback do not share
the same front or rear facade planes of the building and there is
a break and change in plane by at least two feet; or the height of
the roof eave of the proposed improvement within the required second
story setback is less than 50% of the building's second story height.
(c)
The side yard setback for buildings that have two-story solid
planes are as follows:
[1] A building with a two-story solid plane on one
side elevation shall have a thirty-seven-foot aggregate side yard
setback and a twenty-two-foot minimum side yard setback for the side
elevation with the solid two-story plane.
[2] A building with a two-story solid plane on each
side elevation shall have a forty-four-foot aggregate side yard setback
and a twenty-two-foot minimum side yard setback for each side.
(2)
For lots having a minimum lot width of 100 feet up to a maximum
of 140 feet:
(a)
The first story of a building shall have a twenty-eight-foot
aggregate side yard setback and a twelve-foot minimum side yard.
(b)
The second story of a building shall be set back a minimum of
an additional six feet from the first story wall ("the required second
story setback") unless:
[1] The width of the improvement proposed within the
required second story setback is no more than 75% of the building's
first story width directly beneath it; and, either:
[2] The front and rear facade planes of the proposed
improvement within the required second story setback do not share
the same front or rear facade planes of the building and there is
a break and change in plane by at least two feet; or the height of
the roof eave of the proposed improvement within the required second
story setback is less than 50% of the building's second story height.
(c)
The side yard setback for buildings that have two-story solid
planes are as follows:
[1] A building with a two-story solid plane on one
side elevation shall have a thirty-foot aggregate side yard setback
and a sixteen-foot minimum side yard setback for the side elevation
with the solid two-story plane.
[2] A building with a two-story solid plane on each
side elevation shall have a thirty-two-foot aggregate side yard setback
and a sixteen-foot minimum side yard setback for each side.
(3)
For lots having a minimum lot width of 90 feet up to a maximum
of 99 feet:
(a)
The first story of a building shall have a twenty-six-foot aggregate
side yard setback and a twelve-foot minimum side yard.
(b)
The second story of a building shall be set back a minimum of
an additional six feet from the first story wall ("the required second
story setback") unless:
[1] The width of the improvement proposed within the
required second story setback is no more than 75% of the building's
first story width directly beneath it; and, either:
[2] The front and rear facade planes of the proposed
improvement within the required second story setback do not share
the same front or rear facade planes of the building and there is
a break and change in plane by at least two feet; or the height of
the roof eave of the proposed improvement within the required second
story setback is less than 50% of the building's second story height.
(c)
The side yard setbacks for buildings that have solid two-story
planes are as follows:
[1] A building with a two-story single plane on one
or both side elevations shall have a twenty-eight-foot aggregate side
yard setback and a fourteen-foot minimum side yard setback on each
side.
(4)
For lots having a minimum lot width of 80 feet up to a maximum
of 89 feet, a building shall have a twenty-two-foot aggregate side
yard setback and a ten-foot minimum side yard setback on one side.
(5)
The width of an irregularly shaped lot shall be determined by
calculating the average width of a lot's permissible building envelope.
This average width shall be used to determine the applicable side
yard setback requirements as set forth in this section.
C. Facades.
(1)
The horizontal plane of the building's front facade shall not
extend more than 60 feet in width without a change or break in said
plane of at least two feet.
(2)
The horizontal plane of the building's side facade shall not
extend more than 35 feet without a change or break in said plane of
at least two feet, and the primary facade cannot constitute more than
75% of the total area of that side wall.
(3)
For both front and side facades, projecting chimneys or permitted
encroachments shall not be considered a plane break or change.
(4)
Foundation walls shall not be exposed greater than one foot.
D. Maximum encroachments permitted into required yards. No building
or part of a building shall be erected in, upon or over a required
yard except for the following permitted encroachments, and only when
situated within a side yard that has a minimum width of 12 feet.
(1)
Cornices, eaves, gutters: 24 inches;
(2)
Windowsills, belt courses or other ornamental features: four
inches;
(3)
Bay windows not more than 7.5 feet in width, no more than one
story high: two feet;
(4)
A one-story vestibule, no more than eight feet wide: 3.5 feet
wide in the front yard;
(5)
One-story open porches or terraces that are 60% of the overall
front width of the building: 3.5 feet into the front or rear yard;
(6)
Fireplace chimneys no greater than six feet in width: two feet
deep;
(7)
Stoops, entry steps and platforms with steps no greater than
six feet in width and a roof that extends no more than one foot of
the exit platform: three feet deep in a side yard and six feet deep
in a front or rear yard; and
(8)
Air-conditioning condenser area and equipment having a total
width of seven feet or less: three feet deep.
E. Driveways. Driveways are permitted encroachments within a required
side yard but shall comply with the additional regulations set forth
in this section.
(1)
For lots with a lot width greater than 99 feet, the following
regulations shall apply:
(a)
A driveway situated on a lot which is improved with a detached
one- or two-car garage:
[1] A three-foot minimum side yard setback shall be
required between the driveway and the side property line. Landscaping
as approved by the Architectural Review Board shall be required within
this setback.
[2] A two-foot minimum separation between the building
and the driveway shall be required. Landscaping as approved by the
Architectural Review Board shall be required within this setback.
[3] The maximum driveway width shall be 12 feet in
the front and side yard.
(b)
A driveway situated on a lot which is improved with a side-entrance
garage:
[1] A three-foot minimum side yard setback shall be
required between the driveway and the side property line. Landscaping
as approved by the Architectural Review Board shall be required within
this setback.
[2] The driveway shall have a twenty-six-foot clearance
area to be used as a turning lane. The location of the clearance area
shall be approved by the Building Inspector.
[3] The maximum driveway width shall be 12 feet in
the front and side yard.
(c)
A circular driveway situated on a lot which is improved with
a front-entry garage:
[1] A five-foot minimum side yard setback on each side
shall be required between the driveway and the side property line.
Landscaping as approved by the Architectural Review Board shall be
required within this setback.
[2] The building on a lot with a circular driveway
shall have a forty-foot minimum front yard setback.
[3] Neither curb cut can be separated by less than
40 feet.
(d)
A driveway situated on a lot improved with an attached front-facing
garage:
[1] A three-foot minimum side yard setback shall be
required between the driveway and the side property line. Landscaping
as approved by the Architectural Review Board shall be required within
this setback.
[2] The maximum driveway width shall be 22 feet for
a double-car garage.
[3] The maximum driveway width shall be 12 feet for
a single-car garage.
(2)
For lots with a lot width of 90 to 99 feet, the following regulations
shall apply:
(a)
A driveway situated on a lot which is improved with a detached
one-car or two-car garage shall comply with the following:
[1] A two-foot minimum side yard setback shall be required
between the driveway and the side property line. Landscaping as approved
by the Architectural Review Board shall be required within this setback.
[2] A two-foot minimum separation between the building
and the driveway shall be required. Landscaping as approved by the
Architectural Review Board shall be required within this setback.
[3] The maximum driveway width shall be 10 feet in
the front and side yard.
(b)
A driveway situated on a lot which is improved with a side-entrance
garage:
[1] A two-foot minimum side yard setback shall be required
between the driveway and the side property line. Landscaping as approved
by the Architectural Review Board shall be required within this setback.
[2] The driveway shall have a twenty-six-foot clearance
area to be used as a turning lane. The location of the clearance area
shall be approved by the building inspector.
[3] The maximum driveway width shall be 10 feet in
the front and side yard.
(c)
A driveway situated on a lot which is improved with an attached
front-facing garage:
[1] A three-foot minimum side yard setback shall be
required between the driveway and side property line. Landscaping
as approved by the Architectural Review Board shall be required within
this setback.
[2] The maximum driveway width shall be 22 feet for
a double-car garage.
[3] The maximum driveway width shall be 12 feet for
a single-car garage.
(3)
For lots with a lot width of 80 to 89 feet, the following regulations
shall apply:
(a)
A driveway situated on a lot which is improved with a detached
one-car or two-car garage shall comply with the following:
[1] A two-foot minimum side yard setback shall be required
between the driveway and the side property line. Landscaping as approved
by the Architectural Review Board shall be required within this setback.
[2] The maximum driveway width shall be 10 feet in
the front and side yard.
(b)
A driveway situated on a lot which is improved with a side-entrance
garage:
[1] A two-foot minimum side yard setback shall be required
between the driveway and the side property line. Landscaping as approved
by the Architectural Review Board shall be required within this setback.
[2] The driveway shall have a twenty-six-foot clearance
area to be used as a turning lane. The location of the clearance area
shall be approved by the Building Inspector.
[3] The maximum driveway width shall be 10 feet in
the front and side yard.
(c)
A driveway situated on a lot which is improved with an attached
front-facing garage:
[1] A three-foot minimum side yard setback shall be
required between the driveway and the side property line. Landscaping
as approved by the Architectural Review Board shall be required within
this setback.
[2] The maximum driveway width shall be 22 feet for
a double-car garage.
[3] The maximum driveway width shall be 12 feet for
a single-car garage.
(4)
The lot width of an irregularly shaped lot shall be the average
width of the front lot line and front line of the building. This average
width shall be used to determine the applicable driveway regulations
as set forth in this section.