A.
All off-street parking spaces shall be provided and satisfactorily
maintained in accordance with the following table and provisions for
each building, structure or premises which, after the effective date
of this ordinance, is established, erected, enlarged, altered, developed
or redeveloped for any of the following purposes or uses in any district.
B.
Buildings, structures or uses other than those specified in the table.
Determination of the appropriate parking space requirements shall
be made by the Board of Commissioners as a Conditional Use consistent
with the standards set forth herein for comparable uses.
[Amended 12-13-2016 by Ord. No. 1573; 7-10-2018 by Ord. No. 1586]
Use
|
Off-Street Parking Spaces Required
(Except in a TND where On-Street Parking may be provided)
|
---|---|
Agricultural
| |
Agriculture
|
1 for each full-time employee
|
Residential
| |
All types of dwelling units
|
2 for every dwelling unit
|
Apartments over commercial
|
1.25 for each dwelling unit
|
Public or private recreational
| |
Fitness Clubs, Private clubs, lodges
|
1 for every 100 square feet of floor area available to patrons
|
Golf course
|
9 per hole
|
Golf driving range
|
2 for each tee
|
Miniature golf
|
1 for each hole
|
Bowling alley
|
5 for each lane
|
Gymnasium, stadium
|
1 for every 4 seats
|
Public swimming pool
|
1 for every 12 square feet of water surface or 1 for every five
persons for whom dressing facilities are provided, whichever is greater
|
Outdoor commercial recreation
|
1 for every 1,500 square feet of area
|
Governmental, institutional and educational
| |
Places of public or private assembly, including churches, auditoriums,
theaters, and assembly halls
|
1 for every 4 permanent or temporary seats, plus 1 for every
100 square feet of meeting room area
|
Club, lodge
|
1 for every 50 square feet of assembly area or 1 for every 5
persons of total capacity, whichever is greater
|
Community center, library, museum
|
1 for every 250 square feet of floor area in public use
|
Convalescent home, skilled nursing/nursing home, Assisted Living
Facility (if not part of a CCRC), or Active Adult Village
|
1 for each bed, plus 1 for each employee on on the shift of
greatest employment, plus parking for any retirement residences in
accordance with the residential standards, plus parking for non-residential
uses
|
Continuing Care Retirement Community
|
1.0 spaces per unit, plus parking for non-residential uses
|
Hospital
|
1 for each bed, plus 1 for each employee on the shift of greatest
employment
|
Private kindergarten, or child institutional home
|
1 for each adult attendant, plus 1 for every 500 square feet
of gross floor area
|
Elementary School/Middle/Junior High School
|
1 for each faculty member and other full time employees, plus
2 per classroom
|
High School
|
0.3 per student
|
University/College
|
0.25 per school population
|
Dormitory
|
1 for every 3 residents
|
Retail, commercial and other business
| |
Retail store or shop
|
1 for every 100 square feet of gross sales floor and/or area
serving customers
|
Department store or supermarket
|
1 for every 75 square feet of store sales floor and/or other
area serving customers
|
Personal service businesses, such as barbershops, photo shops,
tailor, beautician, shoe repair and the like
|
1 for every 100 square feet of gross floor area
|
Personal service businesses in the TND-1 and TND-2 Overlay Districts
|
1 for every 500 feet of net floor area [Also see § 143-89A(8)(a)]
|
Restaurant, cafeteria, tavern or cafe
|
2 for every 100 square feet of gross floor area, plus 1 for
each employee
|
Restaurant, tavern or cafe in the TND-1 and TND-2 Overlay Districts
|
1 for every 300 feet of net floor area devoted to customer use [Also see § 143-89A(8)(a)]
|
Retail store or shop in the TND-1 TND-2 Overlay Districts
|
1 for every 800 feet of net floor area [Also see § 143-89A(8)(a)]
|
Self-service laundromat
|
1 for every 50 square feet of gross floor area
|
Automobile service and repair
|
4 for each bay or 1 for every 200 square feet of floor and ground
area devoted to service and repair, whichever is greater, plus 1 for
each employee
|
Car wash (self wash)
|
2 parking spaces plus 2 stacking spaces per bay
|
Car wash (automated)
|
4 spaces per 1,000 square feet, plus 6 queuing/stacking spaces
per bay
|
Drive through facilities
|
6 queuing/stacking spaces per window
|
Banks, credit unions and the like
|
1 for every 200 square feet of gross floor area
|
Medical or dental offices and clinics
|
6 for each practitioner
|
Funeral home
|
1 for every 4 seats for patron use or 1 for every 50 square
feet of gross floor area, whichever is greater
|
Professional offices and businesses
|
1 for every 250 square feet of gross floor area
|
US Post Office or Other office building
|
1 for every 100 square feet of floor space in office use but
in no case less than 2 for each tenant
|
Shopping center:
| |
Having a gross leasable area from 25,000 to 400,000 square feet
|
4 for every 1,000 square feet of gross leasable area
|
Having a gross leasable area of greater than 400,000 square
feet
|
4 1/2 for every 1,000 square feet of gross leasable area
|
Planned Business Center
|
1 for every 200 square feet of gross leasable area
|
Movie theater
|
1 for every 4 seats, plus 1 for every employee on the shift
of greatest employment
|
Hotel, motel or inn
|
1.2 for each rental room or suite, plus 1 for every 3 seats
in restaurants or meeting rooms
|
Temporary places where Christmas trees, flowers, produce or
other goods are sold
|
10 minimum, plus any additional spaces as determined by the
Code Enforcement Officer after personally observing traffic conditions
at such locations
|
Industrial and other related
| |
Industrial and other related uses
|
1 for each employee on the shift of greatest employment or 1
for every 500 square feet of gross floor area, whichever is greater,
plus 1 for each company vehicle
|
A.
Existing parking. The use of structures, buildings and premises in
existence at the date of adoption of this ordinance shall not be subject
to the requirements of this article, provided that the type or extent
of use is not changed, and further provided that:
(1)
Parking serving existing buildings, structures or uses shall not
be further reduced below the requirements; and
(2)
Whenever an existing building, structure or use is expanded, enlarged,
or altered, parking and loading facilities, including landscaping,
required for the alteration, enlargement, or extension shall be provided
in accordance with the requirements of this article.
B.
Changes in use. Whenever a use is changed or extended, then the total
additional parking required for the alteration, change or extension
shall be provided in accordance with the requirements of this article.
C.
Conflict with other uses. No parking or loading/unloading area shall
be used for any use that interferes with its availability for the
need it is required to serve.
D.
Continuing character of obligation. All required parking and loading/unloading
facilities shall be provided and maintained so long as the use exists
which the facilities were designed to serve. Off-street parking and
loading/unloading facilities shall not be reduced in total extent
except when such reduction is in conformity with the requirements
of this article.
E.
Location of parking spaces. Required off-street parking and loading/unloading
facilities shall be on the same lot or premises with the principal
use served. However, in all cases where it is sought to utilize adjacent
premises for parking facilities, the applicant or owner shall be required
to enter into an appropriate agreement, duly acknowledged, for recording,
reciting that the property upon which the aforesaid establishment
is erected and the said adjacent premises are both owned by the applicant,
that they are to be used with relation to each other, as above provided
and that neither property shall be separately sold or encumbered,
unless other provisions for compliance with this ordinance have first
been entered into in writing and fully approved by the Board of Commissioners
as a conditional use.
F.
Maintenance. All parking areas, loading/unloading areas, accessways,
drive aisles and driveways shall be maintained with asphalt or other
suitable materials to prevent pot holes, erosion and/or the ponding
of stormwater. Stormwater management facilities for such areas shall
be maintained to prevent excessive water flow onto street or adjoining
property. All line striping for parking spaces and parking areas shall
be maintained so that the line striping is plainly discernable.
G.
Lighting. All artificial lighting used to illuminate any parking,
loading/unloading facility shall be arranged to prevent glare or illumination
on adjoining properties.
H.
Accessible parking. All uses shall designate reserved parking spaces
for handicapped persons. Said spaces shall be considered as part of
the required spaces needed to serve the use of a building, structure
or premises. The required number of accessible parking spaces shall
be in accordance with International Building Code that is in effect
at the time of the facility or project approval.
I.
Stacking lanes for a drive-through facility shall be separated from
other aisles by a curbed island. There shall be a bypass lane to maintain
vehicular circulation. This shall not apply to carwashes that are
the sole use on a lot, where such lot is not a lease parcel or part
of a larger shopping center.
J.
Where required, stacking lanes shall be based on 18 linear feet per
vehicle as measured from the point an order or instructions are first
given. Such lanes shall not block the use of existing spaces or parking
aisles used to access such spaces.
L.
Parking of commercial vehicles in off-street parking areas, driveways
or drive aisles between the main building and the adjacent streets
in the E Business District, SC Shopping Center District, SU Special
Use District and F Planned Industrial District shall be prohibited,
unless actively engaged in loading or unloading. All commercial vehicles
not so actively engaged in loading or unloading shall be consigned
to the rear of the main building.
Parking design standards shall be as follows:
A.
In accordance with such standards as set forth in Chapter 123, Subdivision and Land Development Ordinance.
B.
Fractional spaces. Where the computation of required parking spaces
results in a fractional number, the fraction of 1/2 or more shall
be counted as one.
C.
All parking areas, loading/unloading areas, accessways, drive aisles
and driveways shall be graded and surfaced with asphalt or other suitable
materials to prevent dust and soil erosion, and to have positive drainage,
and no ponding of water. Such areas shall also be drained in conformance
with municipal standards to prevent excessive water flow onto street
or adjoining property. All parking spaces and parking areas shall
be clearly line striped. No certificates of occupancy or certificates
of use shall be issued until the facilities required by this ordinance
are completed.
D.
All off-street parking spaces shall have an area of at least 162
square feet (nine feet by 18 feet) to which there is adequate access
from a street, except those spaces designated for handicapped use,
which shall comply with the International Building Code that is in
effect at the time of the approval for the facility or project. All
on-street parking spaces shall be at least seven feet wide and 22
feet long.
E.
All off-street parking areas in nonresidential zoning districts shall
comply with the following:
(1)
Vehicles shall not be permitted to back out or reverse onto a public
street or right-of-way.
(2)
Driveway access and drive aisles. One way driveway access and drive
aisles shall have a minimum width of 12 feet, exclusive of fire department
access lanes which shall have a minimum width of 20 feet, or as directed
by the Fire Marshal. Two-way driveway access and drive aisles shall
have a minimum of 24 feet.
(4)
Designated parking spaces. When parking spaces are designated for
a single accessory use or individual tenant where multiple tenant
occupancy is permitted, the designated spaces shall be in addition
to the required number of off-street parking spaces.
F.
Parking in the A, B and C Residence Districts shall comply with the
following:
(1)
All parking spaces shall be limited to a paved asphalt or other approved
surface that is accessible by a driveway.
(2)
Minimum and maximum widths of driveways. The minimum width shall
be nine feet and the maximum width shall be 18 feet, except that where
a driveway adjoins a garage, the width may be expanded to meet the
width of the garage. Such transition shall have a ratio of no more
than one foot to one foot.
(3)
Common driveways shared among two or more properties shall not be
permitted, except where required by the Pennsylvania Department of
Transportation (PENNDOT) pursuant to a Highway Occupancy Permit and
provided that the common driveway shall divide into individual driveways
at the street right-of-way line or at the terminus of the common driveway
as designated by PENNDOT, and further provided that:
(a)
At the terminus of the common driveway, each individual driveway
shall have a setback of three feet from the shared side and the rear
property lines.
(b)
At the point of where the common driveway ends and the individual
driveway begins, there shall be a setback transition having a ratio
of one foot to one foot until the minimum setback of three feet is
met from the side and/or rear property line.
(4)
Existing common driveways. Existing common driveways shall be considered
a permitted nonconformity and shall be permitted to be maintained.
The expansion of such existing common driveways shall be in accordance
with the following:
(a)
The maximum width of a common driveway in a front setback shall
be nine feet on each side of the property line on which the driveway
is located.
(b)
The maximum width of a common driveway in a rear yard setback
shall not exceed 18 feet on each side of the property line in which
the driveway is located.
(c)
A common driveway may be extended into a rear or side yard in
accordance with the following:
[1]
Where the common driveway diverges into individual driveways,
each individual driveway shall have a setback of three feet from the
shared property line and all side and rear property lines.
[2]
At the point of where the common driveway ends and the individual
driveway begins, there shall be a setback transition having a ratio
of one foot to one foot until the minimum setback of three feet is
met from the side and/or rear property line.
[3]
One driveway turn around shall be permitted provided that the
dimensions of the turn around do not exceed 10 feet by 10 feet.
G.
Parking for residential uses as listed in the Open Space Option, § 143-17, D Residential Apartment District, Article VII, Planned Residential Development Overlay District, Article VIII shall comply with the following:
(1)
All developments of single-family detached dwellings shall be provided
with independent off-street parking spaces. All parking spaces serving
dwellings or dwelling units shall be limited to paved asphalt or other
approved surface that is accessible by an individual driveway.
(2)
The off-street parking of commercial vehicles shall be in accordance with § 143-14B(2).
(3)
In developments of single-family attached dwellings, common parking
areas shall be permitted in lieu of independent off-street parking
spaces, in accordance with the following:
(a)
No common parking area shall be closer than 25 feet to any property
line.
(b)
All spaces within a common parking area shall not be more than
200 feet from the dwelling units it is intended to serve.
(c)
All common parking areas shall be landscaped in accordance with § 143-98 and shall be screened from the building to prevent direct glare from headlights and the like.
(d)
Driveway access and drive aisles. One way driveway access and
drive aisles shall have a minimum width of 18 feet, exclusive of fire
department access lanes which shall have a minimum width of 20 feet,
or as directed by the Fire Marshal. Two way driveway access and drive
aisles shall have a minimum of 24 feet.
(e)
The off-street parking of commercial vehicles shall be limited in gross vehicle weight, height and the like pursuant to § 143-14B(2) and no more than one commercial vehicle shall be permitted to be parked in the minimum required parking spaces designated for the dwelling unit.
Two or more uses may provide for required parking in a common
parking lot if the total space provided is not less than the sum of
the spaces required for each use individually; however, the total
number of spaces required in a common parking facility may be reduced
if:
A.
It is demonstrated to the Board of Commissioners that the hours or
days of peak parking demand for the uses are so different that a lower
overall total of parking spaces will provide adequately for the uses
to be served.
B.
Such demonstration and proof shall be provided by a registered transportation
engineer, the fees for whom shall be paid by the landowner(s).
A.
Conditions. The Board of Commissioners may permit, as a Conditional
Use, a maximum of 40% of the required parking for a site to be designated
as "reserve parking," subject to the following conditions, together
with any other reasonable conditions imposed by the Township:
(1)
The owner of the property on which reserve parking is contemplated shall cause the appropriate area, individual parking spaces and parking facility appurtenances to be depicted on the final subdivision and/or land development plan(s) and satisfy the Township that the potential construction of the reserve parking facilities can be accomplished in compliance with all area and bulk regulations or other code requirements designated for the property by Chapter 143 of the Township Code.
(2)
The area designated as "reserve parking area" shall be described
by a metes and bounds legal description and recorded as a "no build/open
space easement" which, running with the land, will automatically dissolve
at the end of the ten-year period or upon construction of the reserve
parking.
(3)
The owner of the property on which the reserve parking will
be located must provide financial security which:
(a)
Is acceptable to the Township;
(c)
Guarantees the cost of completing the reserve parking, including
the cost of all improvements necessary to construct, install and complete
the reserve parking. Such improvements shall include, but not be limited
to, improvements relating to stormwater management and landscaping
as well as to the physical construction of the reserve parking.
(4)
The owner of the property on which the reserve parking will
be located must enter into an agreement or agreements with the Township,
in a form acceptable to the Township Solicitor, relating to the completion
of the reserve parking and the provision of financial security therefor
["reserve parking agreement(s)"].
(5)
The amount of financial security may not exceed 110% of the
estimated cost of completing the reserve parking as approved by the
Township Engineer and may be increased for each one-year period beyond
the first anniversary date of the initial posting of the financial
security to an amount not exceeding 110% of the cost of completing
the reserve parking as then determined and approved by the Township
Engineer.
(6)
The financial security must be maintained for a period beginning
on the date the financial security is posted and ending on a date
which is 10 years from the date of completion of the development on
which the reserve parking is located, or for such lesser time period
which is approved by the Township (the "reserve parking period").
(7)
The reserve parking must be appropriately designated on plans
specified by the Township and in a manner approved by the Township.
B.
Construction and completion.
(1)
During the reserve parking period, the Board of Commissioners
may, in its sole discretion, require and direct that all or any portion
of the reserve parking, including all improvements necessary to construct,
install and complete the reserve parking, be completed within the
time frame specified by the Township, which time frame may not be
less than 180 days from the date of the Township's written notice
or direction to complete.
(2)
The reserve parking which the Township requires be completed
must be installed, constructed, paved and completed in a good and
workmanlike manner at no cost or expense whatsoever to the Township
and in strict conformity with all applicable agreements, regulations
and Township specifications. The construction, installation and completion
of the reserve parking shall be subject to inspection by the approval
of the Township Engineer or his designated representative.
(3)
If the required reserve parking is not completed in the manner
and within the time frame required, then the Township may cause the
reserve parking to be completed and may pay for the cost thereof from
the financial security provided.
(4)
The Township may, in accordance with procedures set forth in
the reserve parking agreement(s), authorize the release of portions
of the financial security during the reserve parking period as portions
of the reserve parking are satisfactorily completed.
(5)
The Township shall authorize the release of all of the remaining
financial security upon the earlier to occur of:
(a)
The satisfactory completion of all the reserve parking and the
compliance with all requirements of the agreement entered into with
the Township relating to the reserve parking; or
(b)
The expiration of the reserve parking period and the satisfactory
completion of all the reserve parking which the Township has required
be completed and the compliance with all requirements of the agreement
entered into with the Township relating to the reserve parking.
A.
In addition to the off-street parking space required in this article,
any building erected, converted and/or enlarged for any nonresidential
use shall provide off-street areas for loading and unloading and commercial
vehicle parking space(s) adequate for their needs. Parking in off-street
parking areas, driveways or drive aisles between the main building
and the adjacent streets by commercial vehicles for the purpose of
loading/unloading or waiting for the purpose of loading/unloading
shall be prohibited. All commercial vehicles not so actively engaged
in loading or unloading shall be consigned to the rear of the main
building.
B.
Loading/unloading areas shall be designated on the Development Plan
taking into consideration each loading/unloading area, the design
and location of buildings, the size of proposed delivery vehicles
and the duration of proposed loading and unloading. In the case of
loading docks for tractor trailer deliveries, the minimum size loading
space for an individual loading dock shall be 50 feet in depth, 12
feet in width, with an overhead clearance of 15 feet, exclusive of
drives and maneuvering space, and located entirely on the lot being
served. Any overhead canopy should extend a minimum of four feet beyond
a loading dock and the lowest portion of such canopy shall not be
less than 13 feet six inches above grade.
C.
All loading space shall have adequate access from a street or way which does not block or interfere with the required parking as specified in § 143-92. This required space will be provided in addition to established requirements for patron and employee parking.
D.
In no case shall the public rights-of-way be used for loading or
unloading of materials. Furthermore, no loading dock or space shall
be located or arranged in such a way that it is necessary to back
any vehicle into or off any public right-of-way, nor require the use
of any public right-of-way for maneuvering space.
E.
Two-way driveways and drive aisles shall be a minimum of 24 feet
in width and a maximum of 48 feet wide. One-way driveways and drive
aisles shall be a minimum of 18 feet in width, exclusive of fire department
access lanes which shall be in accordance with the Fire Marshal. Minimum
width shall be measured at the end of the radius along the right-of-way
line.
F.
All accessory driveways and entrance ways shall be graded, paved
and drained to Township standards to the extent necessary to prevent
nuisance of dust, erosion or excessive water flow across streets and
adjoining properties.
G.
All off-street loading berths shall be provided on either the side
or rear of the lot. In no case shall off-street loading berths be
provided in the front of the lot.
H.
Such facilities shall be designed and used in such a manner as to
at no time constitute a nuisance, a hazard or an impediment to traffic.
I.
All loading, access and service areas shall be adequately illuminated
at night. Such lighting, including sign lighting, shall be arranged
so as to protect the street and adjoining properties from direct glare,
illumination or hazardous interference of any kind.
J.
Any loading and unloading areas visible from a public street shall be screened in accordance with § 143-98.
K.
Delivery vehicles employed in conjunction with the permitted principal
use of a building, structure or premises shall be parked or stored
at the side or rear of the building, structure or premises in designated
spaces, which shall be in addition to the required off-street parking
spaces.
L.
Customer service pick-up and drop off areas shall be permitted in
the front, rear or side of a building, structure or premises provided
that drive aisles and parking spaces are not obstructed.
Access to and from all off-street parking, loading and vehicle service areas along public rights-of-way shall consist of well-defined separate or common entrances and exits and shall comply with Article XVII and the following provisions:
A.
Access drives shall not intersect a public right-of-way within 150
feet of the nearest intersection with another public street, as measured
along the right-of-way line; except in the A, B and C Residence District,
in which case the edge of all residential driveways shall be located
not less than 40 feet from the tangent point of the curb radius of
corner lots.
B.
The required sight distance for access drives which open ups on any
street or highway shall be in accordance with the regulations of the
Pennsylvania Department of Transportation.
All screening and landscaping shall conform to the provisions of Article XVII, § 143-116, and the following:
A.
Screening between any parking or loading/unloading area and any property
line and/or street line shall be effective at the time of occupancy,
subject to the following provisions:
(1)
All off-street parking areas shall be screened from any abutting
property of a more restrictive zoning district.
(2)
Effective screens may be accomplished through the use of the following:
plant materials, fencing or walls and/or mounding through the use
of earthen berms forming a Continuous Visual Buffer.
(3)
The area for planting, fencing, walls or earthen berms shall not
extend beyond the street line. No off-street parking or loading and
unloading facilities shall be located within 20 feet of the street
line, unless otherwise provided in other sections of this ordinance.
(4)
When planting screens are employed, the following shall apply:
(a)
A buffer planting strip shall be provided. It shall be a minimum
of 15 feet in width, unless required otherwise in this ordinance.
(b)
Planting screens adjacent to street and property lines shall
be of sufficient height and sufficient density to constitute a Continuous
Visual Buffer four feet in height at the time of planting, except
as provided below. The type and spacing of plant materials shall be
subject to review and approval by the Code Enforcement Officer.
(c)
Planting screens along a side or rear property line adjacent to residential uses or districts shall be of sufficient height and density to constitute a Continuous Visual Buffer. Plantings shall be in accordance with § 143-116D(1).
(d)
At all intersections of accessways, the required screening shall
not be greater than 18 inches in height within the required sight
triangle.
(5)
Whenever fencing or walls are employed in conjunction with screen
plantings, the effective height of the continuous visual buffer shall
be no less than five nor more than six feet, subject to other regulations
of the Springfield Township Code and this ordinance.
(6)
Whenever earthen berms are employed in conjunction with screen plantings,
the effective height of the continuous visual buffer shall be no less
than five feet in height. Berms shall have a tenable slope not to
exceed 4:1.
B.
Landscaping within any parking area which provides more than five
parking spaces shall be subject to the following provisions:
(1)
Off-street parking areas and parking lots shall be landscaped to
achieve objectives, such as: reduce wind and air turbulence, heat
and noise and the glare of automobile lights, to reduce the level
of carbon dioxide, to provide shade, to ameliorate stormwater drainage
problems, to replenish the groundwater table and to provide for a
more attractive setting.
(2)
Each parking lot shall have one shade tree for every five parking
spaces. Such shade tree shall be a minimum of two-and-one-half-inch
caliper. Shrubs, groundcovers and other plant materials are encouraged
to be used to complement the trees, but shall not be the sole contribution
to the landscaping.
(3)
The type of plant materials to be used shall be subject to review
and approval by the Code Enforcement Officer.
(4)
The landscaping and planting areas shall be reasonably dispersed
throughout the parking lot, except where there are 20 or more parking
spaces, in which case the following shall apply:
(a)
Landscaped islands shall be provided at the end of each row
of parking. Such islands shall be a minimum of nine feet in width
and 18 feet in length. Such islands shall be provided to enhance the
appearance of the parking area and to control access and movement
within the parking area.
(b)
Landscaping and planting areas shall be dispersed within each
row in accordance with Exhibit A, Manual of Written and Graphic Design
Guidelines for TND Overlay Districts, (for Off-Street Parking Lots).[1]
[1]
Editor's Note: Exhibit A is included at the end of this chapter.
(5)
All planting islands and planting beds within a parking lot shall
be surfaced with ground covers and/or dwarf shrubs and shall not be
grassed. Stone mulch may be used in conjunction with shrubs and ground
covers, and shredded hardwood mulch shall only be used to form the
plant saucers.
(6)
The perimeter of all planting islands and planting beds within a
parking lot shall have a raised curb six inches in height. The curb
at the radial ends of all planting islands and planting beds may be
tapered and planting area filled with concrete for a distance not
to exceed 18 inches.