[Ord. 524, 12/15/2010, § 601]
For any of the activities regulated by this Part and not eligible for the exemptions provided in §
26-117, 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 a SWM site plan from the Township.
[Ord. 524, 12/15/2010, § 602]
1. 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, physically bound, and well organized; otherwise, the SWM site
plan shall be rejected.
2. Appropriate sections from Chapter
22, Subdivision and Land Development, and other applicable local ordinances, shall be followed in preparing the SWM site plan.
A. SWM site plan shall include (but not limited to):
(1)
Plans no larger than 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.
(2)
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, email address,
and professional engineering seal of the engineer registered in Pennsylvania
preparing the SWM site plan.
(3)
The date of submission and dates of all revisions.
(4)
A graphical and written scale on all drawings and maps.
(5)
A North arrow on all drawings and maps.
(6)
A location map at a minimum scale of one inch equals 1,000 feet.
(7)
Bearing and distance description of the entire tract perimeter.
(8)
Existing and final contours at intervals of two feet.
(9)
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.
(10)
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.
(11)
A key map showing all existing man-made features beyond the
property boundary that may be affected by the project.
(12)
Soil names and boundaries with identification of the hydraulic
soil group classification.
(13)
The proposed limit of disturbance line and associated proposed
disturbed acres.
(14)
Proposed structures, roads, paved areas, and buildings, including
plans and profiles of roads and paved areas and floor elevations of
buildings.
(15)
Horizontal alignment, vertical profiles, and cross sections
of all open channels, pipes, swales and other BMPs.
(16)
The location and clear identification of the nature of permanent
stormwater BMPs.
(17)
The location of all erosion and sedimentation control facilities.
(18)
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 designees access to all easements via the nearest public
right-of-way.
(19)
Construction details for all drainage and stormwater BMPs.
(20)
Construction details of any improvements made to sinkholes.
(21)
Identification of short-term and long-term ownership, operations,
and maintenance responsibilities.
(22)
Notes and Statements.
(a)
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.
(b)
A statement referencing the operation and maintenance (O&M)
agreement and stating that the O&M agreement is part of the SWM
site plan.
(c)
A note indicating that record drawings will be provided for
all stormwater management facilities prior to occupancy, or the release
of financial security.
(d)
The following signature block for the qualified professional
preparing the SWM site plan:
"I, __________, hereby certify that the stormwater management
site plan meets all design standards and criteria of the Lower Swatara
Township's Stormwater Management Ordinance."
(e)
The following signature block for the qualified professional
preparing the SWM site plan, as applicable:
"I, __________, hereby certify that there (are/are not) wetlands
on the subject property, the proposed project (will/will not) impact
off-site wetlands, and permits (are/are not) required from the state
or federal government."
(f) The following signature block for the Township:
I,__________, the ________________ for the Township of Lower
Swatara, on this date, the ______ of __________, of 20__ have reviewed
and hereby certifies that the Stormwater Management Site Plan meets
all design standards and criteria of the Code of Ordinance adopted
by the Township of Lower Swatara."
[Added by Ord. No. 601, 7/20/2022]
B. SWM site report shall include (but not limited to):
(1)
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, email address,
and engineering seal of the individual preparing the SWM site report.
(2)
Project description narrative including expected project time
schedule.
(3)
Location map showing the project site and its location relative
to release rate districts.
(4)
Drainage area maps for all watersheds and inlets depicting the
time of concentration paths.
(5)
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.
(6)
Complete hydrologic, hydraulic and structural computations,
calculations, assumptions, and criteria for the design of all stormwater
BMPs.
(7)
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.
(8)
Calculations showing the total drainage area and impervious
area loading rates to each BMP.
(9)
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.
(10)
Description of the proposed changes to the land surface and
vegetative cover, including the type and amount of impervious area
to be added.
(11)
All applicable worksheets from Chapter
8 of the BMP Manual when establishing volume controls.
(12)
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.
(13)
A justification must be included in the SWM site plan if BMPs
other than green infrastructure methods and LID practices are proposed
to achieve the volume, rate and water quality controls under this
Part.
[Added by Ord. No. 601, 7/20/2022]
C. Supplemental information to be provided prior to recording of the
SWM site plan, as applicable:
(1)
Signed and executed operations and maintenance agreement (Appendix
A).
(2)
Signed and executed easements, as required for all on-site and
off-site work.
(3)
An erosion and sedimentation control plan and approval letter
from the Dauphin County Conservation District.
(5)
Permits from PADEP and USACE.
(7)
A wetland delineation report.
(8)
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.
[Ord. 524, 12/15/2010, § 603]
1. The applicant shall submit the SWM site plan and report for the regulated
activity.
2. Three copies of the SWM site plan and report shall be submitted to
the Township and may be distributed as follows:
A. Two copies for the Township accompanied by the requisite Township
review fee, as specified in this Part.
B. One copy for the Township Engineer.
3. Additional copies shall be submitted as requested by the Township,
Tri-County Regional Planning Commission, Dauphin County Conservation
District or PADEP.
[Ord. 524, 12/15/2010, § 604]
1. The Township shall require receipt of a complete SWM site plan and
report as specified in this Part. The Township shall review the SWM
site plan and report for consistency with the purposes, requirements,
and intent of this Part.
2. The Township shall not approve any SWM site plan and report that is deficient in meeting the requirements of this Part. At its sole discretion and in accordance with this Part
1, Subpart F, when a 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. All revised SWM site plans and reports must be accompanied by a comment response letter, indicating how each of the Township's comments was addressed.
3. 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.
4. If the
Township disapproves the SWM site plan, the Township will state the
reasons for the disapproval in writing. The Township also may approve
the SWM site plan with conditions and, if so, shall provide the acceptable
conditions for approval in writing.
[Added by Ord. No. 601, 7/20/2022]
5. The Township 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 Part, as determined by the Township. All required permits
from PADEP must be obtained prior to issuance of a building permit.
6. For any SWM site plan that proposes to use any BMPs other than green
infrastructure and LID practices to achieve the volume and rate controls
required under this Part, the Township will not approve the SWM site
plan unless it determines that green infrastructure and LID practices
are not practicable.
[Added by Ord. No. 601, 7/20/2022]
[Ord. 524, 12/15/2010, § 605]
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 Part.
[Ord. 524, 12/15/2010, § 606]
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 Part. The applicable Township
review fee must accompany a resubmission of a disapproved SWM site
plan and report.
[Ord. 524, 12/15/2010, § 607]
The Township's approval of a 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 a 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.
[Ord. 524, 12/15/2010, § 608]
1. 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.
2. The record drawings shall include a certification of completion signed
by a qualified professional verifying that all permanent SWM BMPs
have been constructed according to the approved plans and specifications.
The latitude and longitude coordinates for all permanent SWM BMPs
must also be submitted, at the central location of the BMPs. If any
licensed qualified professionals contributed to the construction plans,
then a licensed qualified professional must sign the completion certificate.
[Amended by Ord. No. 601, 7/20/2022]
3. After receipt of the record drawings and certification of completion,
the Township may conduct a final inspection.
[Ord. 524, 12/15/2010, § 609]
The final SWM site plan approved by the Township shall become
a supplement to the final subdivision and land development plan and
shall be subject to all rules, regulations and procedures pertaining
thereto, as well as the following requirements:
1. Prior to the final approval of subdivision or land development plan
by the Township, the developer must provide security to the Township
as stipulated by Act 247 (Pennsylvania Municipalities Code, as amended).
Applicable sections are § 509, Completion of Improvements
or Guarantee Thereof Prerequisite to Final Plot Approval; § 510,
Release from Improvement Bond; and § 511, Remedies to Affect
Completion of Improvements.