(NOTE: Must also conform to Ord. No. 2000-7, Chapter
189, Driveways.)
A. Driveways shall be located, designed and constructed as to provide a clear sight triangle with streets. For residential driveways, a triangle of clear sight shall be provided beginning at a point on the centerline of the driveway, 12 feet from the edge of the cartway of the street and a distance of 100 feet each way along the centerline of the street. Driveways in nonresidential zoning districts shall see §
191-34D for sight line distances. No existing or proposed structures or plantings, the highest point of which is 3.5 feet above the road centerline, shall be permitted in this area. A stopping area measured 20 feet behind the right-of-way line shall be provided, not to exceed a grade of 8%.
B. Driveways, except in a Manufactured Home Community District, shall
be located not less than 40 feet from the nearest intersection corner
of corner lots and shall provide access to the street of lower classification
when a corner lot is bounded by streets of two different classifications
as herein defined, except that commercial and industrial developments
shall be prohibited from access to residential streets.
C. Driveways in a Manufactured Home Community District shall be located
not less than 20 feet from the nearest intersection corner of corner
lots and shall provide access to the street of lower classification
when a corner lot is bounded by streets of two different classifications
as herein defined. Driveways in Manufactured Home Community District
shall be a minimum of 20 by 20 feet to provide for two-car, side-by-side
parking.
D. All driveways, except for single-family dwellings, shall have curbs
meeting the specifications of the Falls Township Design Details and
Practices. All driveways, except for jointly shared driveways in
a residential district, shall not be less than 12 feet from the property
line. Minimum design standards for the various types of development
shall be as follows:
|
Driveways
|
---|
Classification of Development
|
Minimum Width at Curb
(feet)
|
Minimum radius
(feet)
|
Maximum Grade
|
Maximum Change of Grade per 10 Feet
|
---|
A
|
9
|
3
|
8%
|
10%
|
B
|
12 (one-way)
|
10
|
5%
|
7%
|
|
24 (two-way)
|
15
|
5%
|
7%
|
C
|
12 (one-way)
|
20
|
5%
|
7%
|
|
24 (two-way)
|
25
|
5%
|
7%
|
NOTES:
|
---|
Classification of land development or subdivision:
|
A: Residential: density up to 3.5 dwelling units per acre.
|
B: Residential: density over 3.5 dwelling units per acre.
|
C: Nonresidential (sidewalks not required in PIP, HI, MHC and
MPM Districts).
|
E. For residential uses, all driveway aprons on streets with concrete
curbs and/or sidewalks shall be constructed with reinforced concrete
as specified in the Falls Township Design Details and Practices.
All curbs shall be constructed in accordance with the Falls
Township Design Details and Practices.
Bridges and culverts shall be designed to meet current Pennsylvania
Department of Transportation standards to support expected loads and
to carry expected flows. They shall be constructed to the full width
of the cartway.
Measures used to control erosion and reduce sedimentation shall,
at a minimum, meet the standards and specifications of the Bucks County
Conservation District and the Pennsylvania Department of Environmental
Protection. The Township Engineer shall ensure compliance with the
appropriate specifications.
The purpose of this section is to protect the natural resources
of the environment by preserving floodplains, wetlands, lakes and
ponds, watercourses, steep slopes and woodlands. These regulations
apply to all zoning districts and all uses in the Township.
A. Identification of lands with natural resources. The applicant for
a subdivision or land development shall identify all natural resources
on a lot when submitting an application for a subdivision or land
development. This inventory shall include the following resources:
floodplains, wetlands, lakes and ponds, watercourses, steep slopes,
woodlands and all soil types.
B. Natural resource protection. The applicant shall incorporate the
following natural resource protection ratios in the subdivision or
land development. Each resource is defined and a resource protection
ratio is set for each resource. Site alterations, regrading, filling
or clearing of vegetation prior to approval of final plan is prohibited.
(1)
Floodplains.
(a)
Refer to the Floodplain Management Ordinance (Ord. No. 2015-01; see Chapter
131).
(2)
Wetlands.
(a)
Wetlands shall be those areas of lands defined as wetlands in
either the United States Army Corps of Engineers Technical Report
Y87-1, Corps of Engineers Wetlands Delineation Manual; the United
States Environmental Protection Agency Wetlands Identification Delineation
Manual, Volume I, Rational Wetland Parameters and Overview of Jurisdictional
Approach, Volume II, Field Methodology, as most recently updated or
modified; or the Pennsylvania Department of Environmental Protection
Wetlands Identification and Delineation, Chapter 105, Dam Safety and
Waterways Management Rules and Regulations, as most recently updated
or modified. Where a difference between the foregoing criteria exist,
the most restrictive criteria will be used in any particular case.
For the purposes of this definition and for its application to this
section, "most restrictive criteria" shall mean the criteria which
causes the preservation of the most extensive area of wetlands. Soils
which may be indicators of wetlands are Bo Bowmansville silt loam;
Ha Hatboro silt loam; Fa Fallsington; Do Doylestown; ToA Towhee; and
ToB Towhee Stony.
(b)
Wetlands shall not be altered, regraded, developed, filled,
piped, diverted or built upon except where required permits and approvals
have been obtained authorizing such activities from the Pennsylvania
Department of Environmental Resources and/or the United States Army
Corps of Engineers.
(3)
Steep slopes.
(a)
Areas where the natural grade of land is equal to or exceeds
15%.
(b)
Resource protection ratio for steep slopes:
[1] Fifteen-to-twenty-five-percent slope: 70% shall
remain as resource-protected land. No more than 30% of the total of
all such areas shall be developed and/or regraded or stripped of vegetation.
[2] Twenty-five percent or more slope: 85% shall remain
as resource-protected land. No more than 15% of the total of all such
areas shall be developed and/or regraded or stripped of vegetation.
(c)
Exemptions for steep slopes.
[1] Areas of steep slope that are less than 3,000 square
feet shall be exempted from these standards.
[2] Within the MPM Zoning District only, the lot or portion of a lot to be developed or used for marine port and terminal facilities, as permitted by §
209-30 of the Township Zoning Ordinance, may be exempted from the resource protection ratio for steep slopes in Subsection
B(3)(b) above only if all the following conditions are met:
[a] The area to be exempt from the steep slope resource
protection restrictions shall be limited to the area to be developed
and occupied by the marine port and terminal facility and shall not
extend to any other area of the lot or to other lots within the MPM
District.
[b] The area to be exempt from the steep slope resource
protection restrictions shall in addition be limited to a strip of
land no greater than 100 feet in width along the Delaware River, which
shall be measured perpendicular from the water's edge of the Delaware
River and extending inland.
[c] The development of marine port and terminal facilities
shall be subject to all requirements of the Pennsylvania Department
of Environmental Protection, the United States Army Corps of Engineers
and any other federal, state or county agencies with jurisdiction.
The exemption from Township regulations of steep slopes shall in no
way exempt the applicant from compliance with other agency requirements
or other Township regulations.
(4)
Woodlands.
(a)
Woodlands are 1/4 acre or more of wooded land where the largest
trees measure at least six inches in diameter at breast height (dbh)
or 4.5 feet from the ground. The woodland shall be measured from the
dripline of the outer trees. Woodlands are also a grove of trees forming
one canopy where 10 or more trees measure at least 10 inches in diameter
at breast height (dbh).
(b)
Resource protection ratio for woodlands.
[1] Woodlands in environmentally sensitive areas. No
more than 20% of woodlands located in environmentally sensitive areas
shall be altered, regraded, cleared or built upon. Environmentally
sensitive areas shall include floodplains, floodplain soils, steep
slopes, wetlands, wetland margins and lake or pond shorelines.
[2] Other wooded areas. No more than 50% of woodlands
which are not located in environmentally sensitive areas (as defined
above) shall be altered, regraded, cleared or built upon.
(c)
Tree protection zone. Prior to construction, the tree protection
zone shall be delineated by the following methods:
[1] The tree protection zone that is delineated on
the site prior to construction shall conform to the approved plans.
[2] All trees scheduled to remain shall be marked,
and where groups of trees exist, only the trees on the edge need to
be marked.
[3] A forty-eight-inch-high barrier fence mounted on
steel posts, located eight feet on center, shall be placed along the
boundary of the tree protection zone. This fence shall be inspected
during construction and replaced or repaired before further construction
shall begin.
[4] Trees being removed shall not be felled, pushed
or pulled into a tree protection zone or into trees that are to be
retained.
(d)
Mitigation. If a proposed development is in conformance with all applicable Township ordinances but would not result in preservation of woodlands as required by this section, then the developer shall have the option of compliance by performing mitigation. Mitigation shall consist of the replacement, on a one-to-one ratio, of the trees removed with replacement trees. Replacement trees shall meet the tree size requirements of §
191-48G and may be of any species included on the above list of approved trees in §
191-48H.
(5)
Lakes and ponds.
(a)
Such areas shall not be altered, regraded, filled, piped, diverted
or built upon.
(6)
Lakes and pond shorelines.
(a)
For the purpose of this chapter, lake and pond shorelines shall
be measured 100 feet from the spillway crest elevation or the average
high-water elevation over a period of a year. No more than 20% of
such areas shall be altered, regraded, filled or built upon.
(7)
Watercourses.
(a)
Such areas shall not be altered, regraded, filled, piped, diverted
or built upon except where design approval is obtained from Falls
Township and, if required, from the Pennsylvania Department of Environmental
Protection.
(8)
Wetland margins.
(a)
No more than 20% of such areas shall be altered, regraded, filled,
or built upon. In addition, any Pennsylvania Department of Environmental
Protection regulations under Chapter 105 concerning activities in
wetlands margins shall be met.
(b)
For the purposes of this chapter, the wetlands margin shall
extend 100 feet from the wetland boundary as established by a certified
soil scientist or by a jurisdictional determination by the U.S. Army
Corps of Engineers.
C. Site capacity calculations. The purpose of this subsection is to
determine the intensity of use to which a specific site may be put.
The following calculations shall be submitted and shown on the record
plan of all preliminary and final plans by the applicant for all subdivisions
and land developments.
(1)
Step I: Determine base site area.
(a)
Determine gross site area by actual on-site survey: __________
acres.
(b)
Subtract the following:
[1] Land within existing roads and their ultimate rights-of-way
and utility transmission or other rights-of-way: __________ acres.
[2] Land without development opportunities due to restrictions
such as restrictive covenants and conservation easements: __________
acres.
(c)
Equals base site area: __________ acres.
(2)
Step II. Determine natural resources land to be protected and
percent of base site area in resource-protected land.
(a)
Determine land subject to natural resource protection. All applications
shall include maps showing the locations of the resources together
with the calculations on the following chart. In the event two or
more resources overlap, only the resource with the highest protection
ratio shall be used.
Site Capacity Calculation Table
|
---|
Natural Resource
|
Percent of Resource to be Protected
(II)
|
Total Natural Resource Land in Acres
(III)
|
Total Resource Protected Land
(II x III)
|
---|
Floodplain
|
100%
|
_____Acres
|
_____Acres
|
Wetlands
|
100%
|
_____Acres
|
_____Acres
|
Wetlands margin
|
80%
|
_____Acres
|
_____Acres
|
Lakes and ponds
|
100%
|
_____Acres
|
_____Acres
|
Lake and pond shorelines
|
80%
|
_____Acres
|
_____Acres
|
Watercourses
|
100%
|
_____Acres
|
_____Acres
|
Slopes:
|
|
|
|
|
Steep slopes (15-25%)
|
70%
|
_____Acres
|
_____Acres
|
|
Steep slopes (greater than 25%)
|
85%
|
_____Acres
|
_____Acres
|
Woodlands:
|
|
|
|
Environmentally sensitive areas
|
80%
|
_____Acres
|
_____Acres
|
Other wooded areas
|
50%
|
_____Acres
|
_____Acres
|
Totals:
|
|
_____ Acres
|
_____ Acres
|
(3)
Step III. Determine how land with resource restrictions is to
be protected.
(a)
Lands with natural resource restrictions may be preserved as
open space in accordance with Township ordinances. Where a minimum
open space ratio is required in a zoning district, lands with natural
resource restrictions may be used to meet this open space requirement.
(b)
Lands with natural resource restrictions which are required
to be protected by this section may occupy required side or rear yards,
provided that there is a minimum rear yard with a depth of not less
than 25 feet and minimum side yards with a width of not less than
10 feet which are free of lands with natural resource restrictions.
Lands with natural resource restrictions in side or rear yards shall
be protected from disturbance by means of a deed restriction.