The following items shall be included in the SWM site plan:
A. Appropriate sections from Chapter
260, Subdivision and Land Development, and other applicable local ordinances, shall be followed in preparing the SWM site plans.
B. The Township shall not approve any SWM site plan that is deficient
in meeting the requirements of this chapter. At its sole discretion
and in accordance with this article, when a SWM site plan is found
to be deficient, the Township may either disapprove the submission
and require a resubmission, or in the case of minor deficiencies,
the Township may accept submission of modifications.
C. Provisions for permanent access or maintenance easements as determined
necessary by the Township for all physical SWM BMPs, such as ponds
and infiltration structures, to implement the operation and maintenance
plan.
D. The SWM site plan shall provide the following information:
(1) The overall stormwater management concept for the project.
(2) Stormwater runoff design computations and documentation as specified in this chapter, or as otherwise necessary to demonstrate that measures have been taken to meet the requirements of this chapter, including the general requirements in §
249-10.
(3) A soil erosion and sediment control plan, where applicable, that
has been prepared for, submitted to, and determined to be adequate
by the Cumberland County Conservation District.
(4) The effect of the project (in terms of runoff volumes and peak flows)
on surrounding properties and adjacent aquatic features and on any
existing stormwater conveyance system that may be affected by the
project.
(5) Construction detail drawings of all SWM BMPs, including drainage
structures, pipes, open channels, and swales.
(6) SWM site plan shall show the locations of existing and proposed on-lot
wastewater facilities and water supply wells.
[Amended 7-11-2023 by Ord. No. 2023-05]
A. Three copies of the SWM site plan shall be submitted as follows:
(1) Two copies delivered to the Township for the Township's use.
(2) One copy delivered to the Township for the Township Engineer (when
applicable).
B. Additional copies shall be submitted as requested by the Township.
A modification to a submitted SWM site plan that involves a
change in SWM BMPs or techniques, or that involves the relocation
or redesign of SWM BMPs, 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 article.
A disapproved SWM site plan may be resubmitted, with the revisions
addressing the Township's concerns, in accordance with this article.
The applicable review fee must accompany a resubmission of a disapproved
SWM site plan.
The Township's approval of an SWM site plan authorizes the regulated activities contained in the SWM site plan for a maximum term of validity of five years following the date of approval. Terms of validity shall commence on the date the Township signs the approval for an SWM site plan. If an approved SWM site plan is not completed according to §
249-21 within the term of validity, then the Township may consider the SWM site plan disapproved and may revoke any and all permits issued by the Township. SWM site plans that are considered disapproved by the Township shall be resubmitted in accordance with §
249-19 of this chapter.
The applicant may be required to provide as-built plans of all
SWM BMPs included in the approved SWM site plan. The as-built plans
and an explanation of any discrepancies with the construction plans
shall be submitted to the Township. The landowner must notify the
Township seven days prior to starting construction on improvements
proposed by an approved SWM site plan.