For any of the activities regulated by this
article, the final approval of subdivision and/or land development
plans, the issuance of any building or occupancy permit, or the commencement
of any earth disturbance activity may not proceed until the property
owner or developer or his/her agent has received written approval
of a drainage plan from the municipality.
The drainage plan shall consist of all applicable
calculations, narratives, maps, and plans. A note on the maps shall
refer to the associated computations and E & S plan by title and
date. The cover sheet of the computations and E & S plan shall
refer to the associated maps by title and date. All drainage plan
materials shall be in a format that is clear, concise, legible, neat,
and well organized; otherwise, the drainage plan shall be disapproved
and returned to the applicant. The following items shall be included
in the drainage plan:
A. General.
(1) General description of project.
(2) General description of permanent stormwater management
techniques, including construction specifications of the materials
to be used for stormwater management facilities.
(3) Complete hydrologic, hydraulic, and structural computations
for all stormwater management facilities.
(4) An E & S plan, including all reviews and approvals,
as required by PADEP.
(5) General description of nonpoint source pollution controls.
B. Map(s) of the project area shall be submitted on twenty-four-inch
by thirty-six-inch or thirty-inch by forty-two-inch sheets and shall
be prepared in a form that meets the requirements for recording in
the office of the Recorder of Deeds of Monroe County. The contents
of the maps(s) shall include, but not be limited to:
(1) The location of the project relative to highways,
municipal boundaries or other identifiable landmarks.
(2) Existing contours at intervals of two feet. In areas
of steep slopes (greater than 15%), five-foot contour intervals may
be used.
(3) Existing streams, lakes, ponds, wetlands or other
water of the Commonwealth within the development site.
(4) Other physical features including flood-hazard boundaries,
sinkholes, streams, existing drainage courses, areas of natural vegetation
to be preserved, and the total extent of the upstream area draining
through the site.
(5) The locations of all existing and proposed utilities,
sanitary sewers, and water lines within the development site and within
50 feet of property lines.
(6) Soil names and boundaries.
(7) Proposed changes to the land surface and vegetative
cover, including the type and amount of impervious area that would
be added.
(8) Proposed structures, roads, paved areas, and buildings.
(9) Final contours at intervals of two feet. In areas
of steep slopes (greater than 15%), five-foot contour intervals may
be used.
(10)
The name of the development, the name and address
of the owner of the property, and the name of the individual or firm
preparing the plan.
(12)
A graphic and written scale consistent with
the Tobyhanna Township Subdivision and Land Development Ordinance.
(14)
The total tract boundary and size with distances
marked to the nearest foot and bearings to the nearest degree.
(15)
Existing and proposed land use(s).
(16)
A key map showing all existing man-made features
beyond the property boundary that would be affected by the project.
(17)
Horizontal and vertical profiles of all open
channels, including hydraulic capacity.
(19)
A fifteen-foot-wide access easement around all
stormwater management facilities that would provide ingress from and
egress to a public right-of-way.
(20)
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 article.
(21)
A statement, signed by the landowner, acknowledging
that any revision to the approved drainage plan must be reviewed and
approved by the municipality and the Monroe County Conservation District.
(22)
The location of all erosion and sediment pollution
control facilities.
C. Supplemental information.
(1) A written description of the following information
shall be submitted.
(a)
The overall stormwater management concept for
the project.
(b)
Stormwater runoff computations as specified
in this article.
(c)
Stormwater management techniques to be applied
both during and after development.
(d)
Expected project time schedule.
(e)
An E & S plan, were applicable, including
all reviews and approvals, as required by PADEP. A general description
of erosion and sediment pollution controls as outlined in DEPs Erosion
and Sediment Pollution Control Program Manual and Chapter 102.
(2) 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.
(3) A declaration of adequacy from the PADOT District
Office when utilization of a PADOT storm drainage system is proposed
and/or a highway occupancy permit is required by PADOT.
(4) A description of stages (phases) if so proposed.
(5) An operation and maintenance plan as described in §
124-95 of this article.
D. Stormwater management facilities.
(1) All stormwater management facilities must be located
on a map and described in detail.
(2) 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.
(3) All calculations, assumptions, and criteria used in
the design of the stormwater management facilities and BMPs must be
shown.
E. Notwithstanding any other provision of this article,
any plan required to be submitted by this article shall also include
a copy on computer readable media in either auto-cad R-14, auto-cad
2000, TIFF image format or ESRI Arc Infro\arcview, with all required
media containing Pennsylvania State Plane N, NAD 83 Coordinates, or
such other electronic, digital or computer readable media or format
as designated from time to time by resolution duly enacted by the
Board of Supervisors.
[Added 10-14-2003 by Ord. No. 444; amended 11-10-2003 by Res. No.
2003-025]
For all regulated activities listed in §
124-70 of this article, the steps below shall be followed for submission. For any activities that require a PADEP joint permit application and regulated under Chapter 105 (Dam Safety and Waterway Management) or Chapter
106 (Floodplain Management) of PADEP's rules and regulations, require a PADOT highway occupancy permit, or require an NPDES permit for stormwater discharge from construction sites or require any other permit under applicable state or federal regulations, the permit(s) shall be part of the drainage plan.
A. The drainage plan shall be submitted by the developer
to the municipality as part of the preliminary plan submission for
the regulated activity.
B. Six copies of the drainage plan shall be submitted.
distribution of the drainage plan will be as follows:
(1) Four copies to the municipality accompanied by the
requisite municipal review fee, as specified in this article.
(2) One copy to the Municipal Engineers.
(3) One copy to the County Planning Commission.
A disapproved drainage plan may be resubmitted, with the revisions addressing the municipality's concerns documented in writing, to the municipality in accordance with §
124-87 of this article and be subject to review as specified in §
124-88 of this article. The applicable municipality review fee must accompany a resubmission of a disapproved drainage plan.