For any of the activities regulated by this chapter and not eligible for the exemptions provided in § 170-302, the final approval of subdivision and/or land development plans, the issuance of any building or occupancy permit, or the commencement of any land disturbance activity, may not proceed until the applicant has received written approval of an SWM site plan from the Township.
A.
The SWM site plan and SWM site report shall consist of
all applicable calculations, maps, and plans. All SWM site plan materials
shall be submitted to the Township in a format that is clear, concise,
legible, neat and well organized; otherwise, the SWM site plan shall
be rejected.
B.
Appropriate sections from the Township Subdivision and
Land Development Ordinance, and other applicable local ordinances,
shall be followed in preparing the SWM site plan.
(1)
The SWM site plan shall include (but not limited
to):
(a)
Plans no larger then twenty-four-inch by thirty-six-inch
sheets and in a form that meets the requirements for recording in
the office of the Recorder of Deeds of Dauphin County.
(b)
The name of the development; name and location
address of the property site; name, address, and telephone number
of the applicant/owner of the property; and name, address, telephone
number, e-mail address, and engineering seal of the individual preparing
the SWM site plan.
(c)
The date of submission and dates of all revisions.
(d)
A graphical and written scale on all drawings
and maps.
(e)
A North arrow on all drawings and maps.
(f)
A location map at a minimum scale of one inch
equals 1,000 feet.
(g)
Metes-and-bounds description of the entire tract
perimeter.
(h)
Existing and final contours at intervals of two
feet.
(i)
Existing water bodies within the project area
including streams, lakes, ponds, field delineated wetlands or other
bodies of water, sinkholes, flood hazard boundaries (FEMA-delineated
floodplains and floodways), areas of natural vegetation to be preserved,
the total extent of the upstream area draining through the site, and
overland drainage paths.
(j)
The location of all existing and proposed utilities,
on-lot wastewater facilities, water supply wells, sanitary sewers,
and water lines on and within 50 feet of property lines.
(k)
A key map showing all existing man-made features
beyond the property boundary that may be affected by the project.
(l)
Soil names and boundaries with identification
of the hydraulic soil group classification.
(m)
The proposed limit of disturbance line and associated
proposed disturbed acres.
(n)
Proposed structures, roads, paved areas, and
buildings, including plans and profiles of roads and paved areas and
floor elevations of buildings.
(o)
Horizontal alignment, vertical profiles, and
cross sections of all open channels, pipes, swales and other BMPs.
(p)
The location and clear identification of the
nature of permanent stormwater BMPs.
(q)
The location of all erosion and sedimentation
control facilities.
(r)
A minimum twenty-foot-wide access easement around
all stormwater management facilities that would provide ingress to
and egress from a public right-of-way. In lieu of providing an easement
to the public right-of-way, a note may be added to the plan granting
the Township or their designee's access to all easements via
the nearest public right-of-way.
(s)
Construction details for all drainage and stormwater
BMPs.
(t)
Construction details of any improvements made
to sinkholes.
(u)
Identification of short-term and long-term ownership,
operations, and maintenance responsibilities.
(v)
Notes and statements:
[1]
A statement, signed by the landowner, acknowledging
that the stormwater BMPs are fixtures that cannot be altered or removed
without prior approval by the Township.
[2]
A statement referencing the operation and maintenance
(O&M) agreement and stating that the O&M agreement is part
of the SWM site plan.
[3]
A note indicating that record drawings will be
provided for all stormwater management facilities prior to occupancy,
or the release of financial security.
[4]
The following signature block for the qualified
professional preparing the SWM site plan:
"I,__________, hereby certify that the stormwater management
plan meets all design standards and criteria of the Lower Paxton Township's
Stormwater Management Ordinance."
(2)
The SWM site report shall include (but not limited
to):
(a)
The name of the development; name and location
address of the property site; name, address, and telephone number
of the applicant/owner of the property; and name, address, telephone
number, e-mail address, and engineering seal of the individual preparing
the SWM site report.
(b)
Project description narrative, including expected
project time schedule.
(c)
Location map showing the project site and its
location relative to release rate districts.
(d)
Drainage area maps for all watersheds and inlets
depicting the time-of-concentration paths.
(e)
A detailed description of the existing site conditions.
A detailed site evaluation shall be completed for projects proposed
in areas of carbonate geology or karst topography and other environmentally
sensitive areas such as brownfields.
(f)
Complete hydrologic, hydraulic and structural
computations, calculations, assumptions, and criteria for the design
of all stormwater BMPs.
(g)
Description of, justification, and actual field
results for infiltration testing with respect to the type of test
and test location for the design of infiltration BMPs.
(h)
Calculations showing the total drainage area and
impervious area loading rates to each BMP.
(i)
The effect of the project (in terms of runoff
volumes, water quality, and peak flows) on surrounding properties
and aquatic features and on any existing municipal stormwater collection
system that may receive runoff from the project site.
(j)
Description of the proposed changes to the land
surface and vegetative cover including the type and amount of impervious
area to be added.
(k)
All applicable worksheets from Chapter 8 of the
BMP Manual when establishing volume controls.
(l)
Identification of short-term and long-term ownership,
operation, and maintenance responsibilities as well as schedules and
costs for inspection and maintenance activities for each permanent
stormwater or drainage BMP, including provisions for permanent access
or maintenance easements.
(3)
Supplemental information to be provided prior
to recording of the SWM site plan, as applicable:
(a)
Signed and executed operations and maintenance
agreement (Appendix A).[1]
[1]
Editor's Note: Appendix A is included as an attachment to this chapter.
(b)
Signed and executed easements, as required for
all on-site and off-site work.
(c)
An erosion and sedimentation control plan and
approval letter from the Dauphin County Conservation District.
(d)
An NPDES permit.
(e)
Permits from PADEP and ACOE.
(f)
A geologic assessment.
(g)
A wetland delineation report.
(h)
A highway occupancy permit from PennDOT when utilization
of a PennDOT storm drainage system is proposed or when proposed facilities
would encroach onto a PennDOT right-of-way.
A.
The Township shall require receipt of a complete SWM site
plan and report as specified in this chapter. The Township shall review
the SWM site plan and report for consistency with the purposes, requirements,
and intent of this chapter.
B.
The Township shall not approve any SWM site plan and report
that is deficient in meeting the requirements of this chapter. At
its sole discretion and in accordance with this article, when an SWM
site plan and report is found to be deficient, the Township may disapprove
the submission and require a resubmission, or in the case of minor
deficiencies, the Township may accept submission of modifications.
C.
The Township shall notify the applicant in writing within
45 calendar days whether the SWM site plan and report is approved
or disapproved if the SWM site plan and report is not part of a subdivision
or land development plan. If the SWM site plan and report involves
a subdivision or land development plan, the timing shall following
the subdivision and land development process according to the Municipalities
Planning Code.[1]
[1]
Editor's Note: See 53 P.S. § 10101 et seq.
D.
The Township Building Permit Office shall not issue a building
permit for any regulated activity if the SWM site plan and report
has been found to be inconsistent with this chapter, as determined
by the Township. All required permits from PADEP must be obtained
prior to issuance of a building permit.
A modification to a submitted SWM site plan and report for a
development site that involves a change in stormwater management facilities
or techniques, or that involves the relocation or redesign of stormwater
management facilities, or that is necessary because soil or other
conditions are not as stated on the SWM site plan as determined by
the Township, shall require a resubmission of the modified SWM site
plan in accordance with this chapter.
A disapproved SWM site plan and report may be resubmitted, with
the revisions addressing the Township's concerns documented in
writing, to the Township in accordance with this chapter. The applicable
Township review fee must accompany a resubmission of a disapproved
SWM site plan and report.
The Township's approval of an SWM site plan and report
authorizes the regulated activities contained in the SWM site plan
for a maximum term of validity of five years following the date of
approval. The Township may specify a term of validity shorter than
five years in the approval for any specific SWM site plan. Terms of
validity shall commence on the date the Township signs the approval
for an SWM site plan. If stormwater management facilities included
in the approved SWM site plan have not been constructed, or if a record
drawing of these facilities has not been approved within this time,
then the Township may consider the SWM site plan disapproved and may
revoke any and all permits or approvals.
A.
The applicant shall be responsible for providing record
drawings of all stormwater BMPs included in the approved SWM site
plan. The record drawings and an explanation of any discrepancies
with the approved SWM site plan shall be submitted to the Township.
B.
The record drawings shall include a certification of completion
signed by a qualified professional verifying that all permanent stormwater
BMPs have been constructed according to the approved SWM site plan
and report.
C.
After receipt of the record drawings and certification
of completion, the Township may conduct a final inspection.
