The following items shall be included in the SWM site plan:
A.
Appropriate sections from Chapter 352, Subdivision and Land Development (SALDO), and other applicable local ordinances, shall be followed in preparing the SWM site plan.
B.
The municipality shall not approve any SWM site plan that is deficient in meeting the requirements of this article. At its sole discretion and in accordance with this subarticle, when a 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 easements for all physical SWM BMPs, such as ponds and infiltration structures, as necessary to implement the operation and maintenance (O&M) plan.
D.
The following signature block for the municipality:
"The municipal engineer, on this the_____ day of__________ has reviewed and hereby certifies that the SWM site plan meets all design standards and criteria of Municipal Ordinance No. 2023-03 and as codified in the Lock Haven City Code." |
E.
The SWM site plan shall include a detailed narrative and provide the following information:
(1)
A description of the overall stormwater management concept for the project.
(2)
A determination of site conditions in accordance with the BMP Manual. 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 subarticle, or as otherwise necessary to demonstrate that the maximum practicable measures have been taken to meet the requirements of this article, including the recommendations and general requirements in § 343-27.
(4)
Expected project time schedule.
(5)
An erosion and sediment control (ESC) plan reviewed and approved by the Conservation District is required prior to the approval of the SWM site plan by the municipality.
(6)
For project sites that have earth disturbance activities greater than one acre in area, the applicant must obtain either a General or Individual NPDES Permit for Discharges of Stormwater Associated with Construction Activities from DEP or the County Conservation District, whichever agency has jurisdiction over the issuance of the permit.
(7)
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.
(8)
Plan and profile drawings of all SWM BMPs, including drainage structures, pipes, open channels and swales.
(9)
SWM site plan shall show the locations of existing and proposed on-lot wastewater facilities and water supply wells.
(10)
The SWM site plan shall include an operation and maintenance (O&M) plan for all existing and proposed physical stormwater management facilities that are to be utilized in the SWM site plan. This plan shall address long-term ownership and responsibilities for O&M, as well as schedules and costs for O&M activities.
(11)
A justification must be included in the narrative if BMPs other than green infrastructure methods and LID practices are proposed to achieve the volume, rate and water quality controls under this article.
(12)
Any additional information that the municipality deems necessary for compliance with the requirements of this article.