An application may be processed as a small project if it meets the standards found in this section, does not involve the alteration of stormwater facilities or watercourses, and proposes regulated activities that, measured on a cumulative basis from August 6, 2003, create new impervious areas of less than 2,000 square feet or involve earth disturbance activity of an area less than 5,000 square feet. An application that is not eligible for exemption pursuant to §
185-12 may be processed under this section, subject to all applicable standards found herein.
A. An application for a small project shall consist of the following:
(1) Completed exemption small project application (form on file at the
Township).
(2) Completed small project stormwater management worksheet (form on
file at the Township).
(3) Completed owner acknowledgement for minor stormwater site plan (form
on file at the Township).
(4) Minor stormwater site plan, in accordance with applicable standards,
with supporting information including related standard details (form
on file at the Township) and applicable soil testing information.
(5) Filing fee (in accordance with the Township fee resolution or ordinance).
(6) Prior to issuance of any permit, a completed stormwater management
agreement and declaration of easement must be signed, notarized and
submitted for recording.
B. There shall be a five-foot minimum setback between any structural
BMP and any property boundary.
C. No application is exempt from complying with any state or federal
requirements applicable if the subject property is located in a high
quality (HQ) or exceptional value (EV) watershed.
D. No applicant and no activity shall violate or cause to be violated
the Federal Clean Water Act or any regulation issued thereunder, an NPDES permit,
any recorded stormwater management or operations and maintenance agreement,
or any requirement applicable to a municipal separate storm sewer
system.
The following items shall be included as part of the earth disturbance
and stormwater management plan:
A. The following general information:
(1) Proposed name or identifying title of the project.
(2) Name and address of the landowner and developer of the project site
and the individual or firm preparing the plan.
(3) Total acreage of the project site and the tract of land on which
the project site is located and corresponding deed and tax parcel
references.
(4) Plan date, date of latest revision, North point, graphic scale, and
written scale. All plans shall be drawn at a common engineering scale.
(5) A location map, for the purpose of locating the project site to be
developed, at a minimum scale of 2,000 feet to the inch, showing the
relation of the tract to adjoining property and to all streets and
Township boundaries existing within 1,000 feet of any part of the
tract of land on which the project site is proposed to be developed.
(6) A note on the plan indicating any area that is not to be offered
for dedication along with a statement that the Township is not responsible
for maintenance of any area not dedicated to and accepted for public
use, and that no alteration to facilities, swales, basins, BMPs or
placement of structures shall be permitted within easements unless
approved by the Township.
(7) Certificate, signed and sealed by an individual currently registered
in the Commonwealth of Pennsylvania and qualified to perform such
duties, indicating compliance with the provisions of this chapter.
Form of certificate is on file with the Township.
(8) The following certificates when the application is not in conjunction
with the submittal of a subdivision and/or land development plan:
(a)
Certificate for approval by the Township Board of Supervisors.
Form of certificate is on file with Township.
(9) Stormwater management facility designs shall be prepared in accordance
with the requirements of applicable Act 167 watershed stormwater management
plan relevant to the proposed site, unless the standards within this
chapter are more restrictive.
(10)
In areas of karst geology, a geologic evaluation prepared by
a registered geologist shall be provided. This report shall include
but not be limited to the following: contain remedies to address the
formation of sinkholes and closed depressions in the earth disturbance
area.
(a)
The location of the following karst features:
[3]
Lineaments in carbonate areas.
[7]
Ephemeral disappearing streams.
[8]
Bedrock pinnacles (surface or subsurface).
(b)
An evaluation and identification of necessary measures to minimize
potential adverse effects from stormwater management facilities designed
over karst geology.
(c)
A plan for remediation of any identified karst features and
remedies to address the formation of sinkholes and closed depressions
in the earth disturbance area. If stormwater management facilities
are to be lined, specific design specification shall be identified
related to the installation of the liner material.
(d)
Impacts of stormwater management facilities on adjacent karst
features, and impacts of karst features on adjacent stormwater management
facilities.
B. The following existing features:
(1) Tract boundaries showing distances, bearings, and curve data, as
located by field survey or by deed plotting. All coordinates as depicted
on the plan shall be based on the PA South Zone State Plane Coordinate
System (NAD83 for horizontal).
(2) Existing topographical data. This information shall be provided by
field survey of contour lines. Contour lines shall be provided at
one-foot vertical intervals for slopes of 5% or less, and at vertical
intervals of two feet for more steeply sloping land. Supplemental
spot elevations shall be provided at all critical grade breaks, controlling
features or areas of existing and/or proposed discharge or tie-in.
Additionally, the bench mark and the datum used shall also be indicated
and based on the PA South Zone State Plane Coordinate System (NAVD88
for vertical).
(3) The names of all owners of all immediately adjacent land, the names
of all proposed or existing developments immediately adjacent, and
the locations and dimensions of any streets or easements shown thereon.
Recording information shall be provided for all easements and pertinent
prior recorded subdivision and land development plans impacting the
subject property and immediately adjacent lands.
(4) All physical features, including flood hazard boundaries, wetlands,
sinkholes, streams, lakes, ponds and other water bodies, existing
drainage courses, karst features, areas of native vegetation including
trees greater than six-inch diameter at breast height, woodlands,
other environmentally sensitive areas and man-made features within
200 feet of the development site. Man-made features shall include
the size and location of all utilities (including on-lot disposal
systems and wells) sanitary sewers, and waterlines and associated
easements.
(5) Overlay of soil types as designated by the USDA SCS Soil Survey of
Lancaster County.
(6) Designation of limits of on-site watershed areas, including a map
that shows the off-site watershed areas that contribute to any part
of the development site.
(7) Boundaries of watersheds as identified in a relevant Act 167 watershed
stormwater management plan.
(8) Riparian buffer zones (Zones 1, 2, and 3) per Chapter
220, Zoning, §
220-29.
C. The following proposed features:
(1) The proposed land use(s), the number of lots and dwelling units and
the extent of commercial, industrial, or other nonresidential uses.
(2) The locations and dimensions of all proposed streets, parks, playgrounds,
and other public areas; sewer and water facilities, including proposed
on-lot disposal systems, replacement disposal areas, water supply
wells, utilities and associated easements; lot lines and structures,
building locations, and parking compounds and other impervious and
semipervious surfaces.
(3) The proposed changes to land surface and vegetative cover, including
areas to be cut or filled.
(4) Proposed topographical data. This information shall be provided contour
lines with supplemental spot elevations at all critical grade breaks,
controlling features or areas of existing and/or proposed discharge
or tie-in. Proposed contour lines shall be provided at one-foot vertical
intervals for slopes of 5% or less, and at vertical intervals of two
feet for more steeply sloping land.
(5) Plans, profiles and details of all proposed stormwater conveyance
facilities, stormwater management facilities and stormwater BMPs,
including vertical and horizontal alignment, size, and type of material.
This information shall be of the quality and detail required to ensure
the proper construction of all facilities.
(6) For all basins which hold two acre feet or more of water and have
an embankment that is six feet or more in height, soil structure and
characteristics shall be provided. Plans and data shall be prepared
by a registered professional engineer. These submissions shall provide
design solutions for frost-heave potential, shrink-swell potential,
soil-bearing strength, water infiltration, soil-settling characteristics,
fill and backfilling procedures, and soil treatment techniques as
required to protect the improvements for adjacent structures.
(7) The type, location, and extent of all temporary and permanent erosion
and sedimentation control measures shall be shown on an erosion and
sedimentation control plan that conforms to the requirements of the
most current version of the E&S Manual and which shall be submitted
to the LCCD for review and approval.
(8) Data concerning subsoil and rock foundation conditions and the physical
properties of the materials entering into the construction of all
BMPs. The plans shall provide cross sections that depict the relationship
of proposed BMPs to limiting zones and infiltration testing depths.
(9) A planting plan shall be provided for all vegetated BMPs in accordance
with the following:
(a)
Native or naturalized/noninvasive vegetation suitable to the
soil and hydrologic conditions of the development site shall be used
unless otherwise specified in the BMP Manual.
(b)
Invasive vegetation may not be included in any planting schedule.
[See Invasive Plant Species List published by the Pennsylvania Department
of Conservation and Natural Resources (DCNR).]
(c)
The limit of existing, native vegetation to remain shall be
delineated on the plan along with proposed construction protection
measures.
(d)
Prior to construction, a tree protection zone shall be delineated
at the dripline of the tree canopy. All trees scheduled to remain
during construction shall be marked; however, where groups of trees
exist, only the trees on the outside edge need to be marked. A forty-eight-inch-high
snow fence or forty-eight-inch-high construction fence mounted on
steel posts located eight feet on center shall be placed along the
tree protection boundary. No construction, storage of material, temporary
parking, pollution of soil, or regrading shall occur within the tree
protection zone.
(e)
All planting shall be performed in conformance with good nursery
and landscape practice. Plant materials shall conform to the standards
recommended by the American Association of Nurseryman, Inc., in the
American Standard of Nursery Stock.
[1]
Planting designs are encouraged to share planting space for
optimal root growth whenever possible.
[2]
No staking or wiring of trees shall be allowed without a maintenance
note for the stake and/or wire removal within one year of planting.
(10)
Riparian buffer zones (Zones 1, 2, and 3) per Chapter
220, Zoning, §
220-29, and required easements created and recorded as part of any subdivision and land development to run with the land and shall limit the use of the property located therein.
(11)
All existing and proposed easements, including drainage easements,
access easements and riparian buffer easements.
D. Written hydrologic and hydraulic narrative report and structural
computations for all stormwater facilities, and an erosion and sedimentation
narrative report including or prepared in accordance with the following:
(1) A stormwater management plan narrative, including a description of
the permanent technics, nonstructural BMPs to be employed and construction
specifications for structural facilities and a description of how
the facilities are intended to function individually and as a treatment
system. The report shall include stormwater runoff calculations for
both predevelopment and post- development conditions for rate control,
volume control and pollutant removal.
(2) An erosion and sedimentation control plan narrative that conforms
to the requirements of the E&S Manual and provides a description
of all erosion and sedimentation control measures, temporary as well
as permanent, including the staging of earth disturbance activities,
sufficient in detail to clearly indicate their function.
(3) Ownership and maintenance plan in accordance with the requirements
of this chapter.
(4) For all proposed detention basins and retention basins, and temporary
sedimentation basins, the documentation shall include a plotting or
tabulation of storage volumes with corresponding water surface elevations
and the outflow rates for those water surfaces.
(5) For all proposed BMPs, detention basins and retention basins, and
temporary sediment basins, documentation shall set forth the design
hydrology, and the shortcut routing method or a method of equal caliber
acceptable to the Township Engineer or Township Board of Supervisors
utilized to determine the function of the basin.
(6) A Pennsylvania Department of Transportation highway occupancy permit
for any stormwater management facility proposed within the right-of-way
of a state road or adjacent to a state road right-of-way and deemed
to impact the roadway or roadway drainage system.
(7) For any activities that require a DEP joint permit application and
are regulated under Chapter 105 or Chapter 106 or require any other permit under applicable state or
federal regulations, the permit(s) shall be part of the stormwater
management site plan and must be obtained prior to unconditional final
plan approval.
(8) An E&S control plan, including all approvals, as required by
25 Pa. Code Chapter 102, shall be provided to the Township prior to
unconditional final plan approval.
An application for a stormwater management permit for a regulated activity, as defined in §
185-10 of this chapter, shall include the following items:
A. One completed paper copy of the application for a stormwater management
permit (on file at the Township).
B. Paper copies of the stormwater management plan or earth disturbance
plan and calculations and supporting information prepared in accordance
with this chapter. All plans and supporting information shall be submitted
in a format that is clear, concise, legible, neat and well organized.
Required number of paper copies as specified on application for stormwater
management permit.
C. Electronic copy of application for stormwater management permit,
plans, and all supporting documents.
D. Filing fee and/or permit fee as established by resolution or ordinance
from time to time