[Ord. No. 1151, 6/20/2023]
1.
For any of the activities regulated by this Part, the preliminary or final approval of subdivision and/or land development plans, the issuance of any building or occupancy permit, or the commencement of any earth disturbance may not proceed until the applicant or his/her agent has received written approval of an SWM site plan from the municipality and an adequate erosion and sediment control plan review by the Conservation District for limit of earth disturbance of more than 0.5 acre.
2.
The following items shall be included in the SWM site plan:
B.
The municipality shall not approve any SWM site plan that is deficient in meeting the requirements of this Part. At its sole discretion and in accordance with this Subpart, when an SWM site plan is found to be deficient, the municipality may either disapprove the submission and require a resubmission or, in the case of minor deficiencies, the municipality may accept submission of modifications.
C.
Provisions for permanent access or maintenance covenants for all physical SWM BMPs, such as ponds and infiltration structures, as necessary to implement the operation and maintenance (O&M) plan discussed in Subsection 2D(9) below.
D.
The SWM site plan shall provide the following information:
(1)
The overall stormwater management concept for the project including sequencing items, calculations, maps, and plan. A note on the maps shall refer to the associated computations and erosion and sediment control plan by title and date. The cover sheet of the computations and erosion and sediment control plan shall refer to the associated maps by title and date. All SWM site plan materials shall be submitted to the municipality in a format that is clear, concise, legible, neat, and well organized; otherwise, the SWM site plan shall not be accepted for review and shall be returned to the applicant. A general description of nonpoint source pollution controls.
(2)
A determination of site conditions in accordance with the BMP Manual.[2] 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.
(3)
Stormwater runoff design computations and documentation as specified in this Part, or as otherwise necessary to demonstrate that the maximum practicable measures have been taken to meet the requirements of this Part, including the recommendations and general requirements in § 26-121.
(4)
Expected project time schedule.
(5)
A soil erosion and sediment control plan, where applicable, as prepared for and submitted to the approval authority.
(6)
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 stormwater conveyance system that may be affected by the project.
(7)
Plan and profile drawings of all SWM BMPs, including drainage structures, pipes, open channels, and swales.
(8)
SWM site plan shall show the locations of existing and proposed on-lot wastewater facilities and water supply wells.
(9)
The SWM site plan shall include an O&M plan for all existing and proposed physical stormwater management facilities. This plan shall address long-term ownership and responsibilities for O&M as well as schedules and costs for O&M activities.
(10)
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.
(11)
Maps. Map(s) of the project area shall be submitted on twenty-four-inch by thirty-six-inch sheets and/or shall be prepared in a form that meets the requirements for recording at the offices of the Recorder of Deeds of Monroe County. If the Subdivision and Land Development Ordinance (SALDO)[3] has more stringent criteria, then the more stringent criteria shall apply. The contents of the map(s) shall include, but not be limited to:
(a)
The location of the project relative to highways, municipalities, or other identifiable landmarks.
(b)
Existing and final contours at intervals of two feet. In areas of steep slopes (greater than 15%), five-foot contour intervals may be used.
(c)
Existing streams, lakes, ponds, or other waters of the commonwealth within the project area.
(d)
Other physical features including flood hazard boundaries, buffers, existing drainage courses, areas of natural vegetation to be preserved, and the total extent of the upstream area draining through the site.
(e)
The locations of all existing and proposed utilities, sanitary sewers, and water lines within 50 feet of property lines. When groundwater recharge methods such as seepage pits, beds or trenches are used, the locations of existing and proposed septic tank infiltration areas and wells must be shown.
(f)
The location(s) of public water supply wells and surface water intakes as well as their source water protection areas.
(g)
Soil names and boundaries.
(h)
Limits of earth disturbance, including the type and amount of impervious area that would be added.
(i)
Proposed structures, roads, paved areas, and buildings.
(j)
The name of the development, the name and address of the applicant of the property, and the name of the individual or firm preparing the plan.
(k)
The date of submission.
(l)
A graphic and written scale of one inch equals no more than 50 feet; for tracts of 20 acres or more, the scale shall be one inch equals no more than 100 feet.
(m)
A North arrow.
(n)
The total tract boundary and size with distances marked to the nearest foot and bearings to the nearest degree.
(o)
Existing and proposed land use(s). A key map showing all existing man-made features beyond the property boundary that would be affected by the project.
(p)
Location of all open channels.
(q)
Overland drainage patterns and swales.
(r)
All stormwater management facilities must be located on a plan and described in detail.
(s)
A blanket access covenant approved by the Municipal Solicitor.
(t)
The location of all erosion and sediment control facilities.
(u)
A note on the plan indicating the location and responsibility for maintenance of stormwater management facilities that would be located off-site. All off-site facilities shall meet the performance standards and design criteria specified in this Part.
(v)
A statement, signed by the applicant, acknowledging that any revision to the approved SWM site plan must be approved by the municipality and that a revised E&S plan must be submitted to the Conservation District for a determination of adequacy.
(w)
The following signature block for the qualified design professional:
I, (qualified design professional), on this date (date of signature), hereby certify that the SWM site plan meets all design standards and criteria of the Brodhead and McMichael Creek Watershed Act 167 Stormwater Management Ordinance.
(x)
Stormwater management techniques to be applied both during and after development. All calculations, assumptions, and criteria used in the design of the stormwater management facilities must be shown.
(y)
Expected project time schedule.
(z)
Development stages (project phases) if so proposed.
(aa)
An operation and maintenance plan.
(bb)
The effect of the project (in terms of runoff volumes and peak flows) on adjacent properties and on any existing municipal stormwater collection system that may receive runoff from the project site.
(cc)
A declaration of adequacy and highway occupancy permit from the PennDOT District Office when utilization of a PennDOT storm drainage system is proposed.
(dd)
When groundwater recharge methods such as seepage pits, beds or trenches are used, the locations of existing and proposed septic tank infiltration areas and wells must be shown.