[Added 10-3-2011 by Ord. No. 188]
Overlay districts shall be used in accordance with the following:
A.
For the purpose of this article, the sections within this article
shall be overlays to the underlying districts as shown on the Chester
Heights Borough Zoning Map, and as such, the provisions for each of
these sections shall serve as supplements to the underlying zoning
district provisions.
B.
In those areas of the Borough where a section of this article applies,
the provisions of the section shall be imposed in addition to the
requirements of the underlying zoning district(s).
A.
Purpose.
(1)
To allow for higher-residential-density development for those
tracts of land located in the Borough that are split between residential
and commercial zoning or are located in a Mobile Home Park District.
[Amended 8-5-2013 by Ord.
No. 194]
(2)
To allow for higher-residential-density development for a tract
of land located in the Borough in an R 1 Residence District having
an institutional use on it, which use lawfully existed at the time
of the enactment of this chapter.
[Added 7-7-2014 by Ord.
No. 197[1]]
[1]
Editor's Note: This ordinance also provided for the renumbering
of former Subsection A(2) through (5) as Subsection A(3) through (6).
(3)
To recognize the need for rational direction for increasing
land development and to meet the growing need for housing of all types,
while at the same time to minimize the loss of open space, to preserve
the atmosphere of the Borough and to protect property values in existing
residential areas.
(4)
To provide greater opportunities for better housing and recreation
for all who are or will be residents of the Borough.
(5)
To encourage more efficient use of land and public services.
(6)
In aid of these purposes, to provide a procedure which can relate
the type, design and layout of residential development to the particular
site and the particular demand for housing existing at the time of
development in a manner consistent with the preservation of property
values within existing residential areas.
[Amended 8-5-2013 by Ord.
No. 194; 7-7-2014 by Ord. No. 195; 7-7-2014 by Ord. No. 197]
No application for tentative approval of townhouses or semidetached
dwellings shall be considered or approved unless the following conditions
are met:
A.
The tract shall be located in the Mobile Home Park District, or in
both a Residence District and either a B Business District or an LI
Limited Industrial District, as those districts existed at the time
of enactment of this chapter.
B.
A tract which does not qualify for eligibility under § 185-142A is eligible if it is located in an R 1 Residence District and has an institutional use on it which use lawfully existed at the time of the enactment of this chapter.
D.
The proposed development or plan will be connected to public water
and public sanitary sewer systems. Both water supply and sewage disposal
systems shall be operational at the time of occupancy of the first
completed structure.
E.
The proposed development or plan is found to be consistent with the
Comprehensive Plan for the Borough of Chester Heights.
A building may be erected or used and a lot may be used or occupied
for any of the following purposes by conditional use and no other:
Accessory uses shall be as follows:
Unless specifically stated otherwise, the following shall be
minimum requirements:
A.
Tract area: three acres (areas in the one-hundred-yard floodplain,
wetlands and existing public road rights-of-way shall be excluded
from calculation of tract area).
B.
Density: Six units per gross acre exclusive of floodplains, wetlands
and existing public road rights-of-way shall be permitted on eligible
tracts which are located in a Mobile Home Park District or in both
a Residence District and a B Business or LI Limited Industrial District.
A maximum of three units per acre shall be permitted on those tracts
which are eligible solely because they are located in an R 1 Residence
District and have an institutional use on them which use lawfully
existed at the time of the enactment of this chapter.
[Amended 7-7-2014 by Ord.
No. 197]
C.
Lot area: 2,000 square feet minimum for townhouse; 3,000 square feet
minimum, for semidetached.
D.
Setbacks:
(1)
From exterior road and tract boundaries: 40 feet (30 feet to
decks) for townhouse or semidetached.
(2)
From internal road: 20 feet.
(3)
For tracts larger than 10 acres, from exterior roads and perimeter
parent tract boundaries: 100 feet from exterior roads and 60 feet
from perimeter parent tract boundaries for townhouse or semidetached
dwellings.
[Added 7-7-2014 by Ord.
No. 195]
E.
Distance between principal buildings: 20 feet for townhouse or semidetached
buildings.
F.
Unit width: 20 feet minimum for townhouse and semidetached.
G.
Tract road frontage: 300 feet (development shall be on a collector
or arterial road).
H.
Height: 35 feet maximum.
I.
Impervious cover: 60% maximum for twin and the end unit of a townhouse
group; 70% maximum for an interior unit of a townhouse group.
J.
Rear yard: 30 feet.
A.
Townhouse units in row. The number of units attached in a row shall
not be more than six.
B.
Buffer area and planted visual screen.
(1)
When a tract of land on which a semidetached, townhouse development
is proposed abuts single-family detached dwellings located within
the Borough, the developer of the tract shall provide a thirty-foot-wide
landscaped buffer area between the single-family detached lots and
the townhouse development. Such buffer area shall extend from the
tract boundary line towards the interior of the tract and shall consist
of ground cover and other plantings. No structures, parking, or impervious
surface shall be permitted in the buffer area. The buffer area shall
not be included in the area designated as rear yard.
[Amended 8-5-2013 by Ord.
No. 194]
(2)
If a rear of a townhouse or semidetached dwelling faces a public
street, a twenty-foot-wide landscaped buffer shall be installed. The
plantings shall be a minimum of eight feet in height. The plantings
shall be of a density and type to effectively screen the public street.
Street trees/shade trees shall be provided along streets where there
are no existing street trees/shade trees.
(3)
All design, density, type and height of plantings included in
the buffering and visual screening of the development shall be reviewed
by the Planning Commission and Borough Engineer subject to the approval
by Council.
C.
Open space for semidetached and townhouse. Not less than 30% of the
tract area shall consist of common open space. Not less than 50% of
the common open space shall be outside the one-hundred-year floodplain
and wetlands. Fee in lieu of open space must be approved by Borough
Council.
D.
Variations in setback and design. In each development, units shall
have a single architectural theme, and no more than two consecutive
units shall have the same front setback line. Variations in setback
shall be not less than two feet. Each dwelling unit shall be distinguished
from the adjacent unit in some appropriate manner such as varying
unit width, use of different exterior materials or varying arrangement
of entrances or windows. In order to avoid linear design and facilitate
privacy, buildings shall not be placed parallel to one another.
E.
Architectural plans. Architectural plan elevations shall be included
as part of the final plan submitted for townhouse developments.
F.
Landscaping. Any part of the site proposed for townhouse development
which is not covered by buildings, parking or other paved area shall
be landscaped with trees, shrubs or ground cover in accordance with
a landscaping plan which shall be reviewed by the Planning Commission
and the Borough Engineer. Trees and/or shrubs shall be planted in
high-visibility areas such as along the entrance drive and exterior
road, in front of the dwelling units, and between parking areas, Landscaping
shall be in accordance with land development and subdivision provisions.[1]
G.
Parking. All parking shall be off-street in areas specifically designed for parking and shall require 2 1/2 spaces per dwelling unit on average and comply with Article XVII, Garage space shall not be included in the calculation of minimum parking requirements.
H.
Refuse. All refuse shall be placed in rigid, verminproof containers,
which shall be screened by means of a privacy fence with a planted
visual screen.
I.
Lighting. Lighting facilities shall be provided and arranged in a
manner that will protect the internal roadway, the proposed units,
and neighboring properties from excess glare. All internal roads,
driveways, parking and pedestrian areas must be properly lighted to
assure safe conditions and security for the residents.
J.
Signs. Signs shall be provided in accordance with § 185-61C(8).
K.
Common open space.
(1)
The developer shall restrict the open space areas so that their
use will be limited to the use which is proposed and ensure that it
will be properly maintained in perpetuity.
(2)
The common open space shall be located so as to be consistent
with the objectives set forth in the application for the planned development.
Where possible, it shall be designed as a contiguous area easily accessible
to the residents and preserving and enhancing natural features.
