The following items shall be included in the SWM site plan:
A. The date of the SWM site plan and latest revision, graphic scale,
written scale, and North arrow.
B. 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.
C. The file or project number assigned by the firm that prepared by
the plan.
D. A statement, signed by the landowner, acknowledging the SWM facilities
to be permanent fixtures that cannot be altered or removed unless
a revised plan is approved by the Township.
E. A signature block for the Township in accordance with Appendix 6.
F. For SWM facilities located offsite:
(1) A note on the plan referencing a recorded stormwater operation and
maintenance (O&M) agreement that indicates the location and responsibility
for maintenance of the off-site facilities.
(2) All off-site SWM facilities shall meet the performance standards
specified in this chapter.
G. A note informing the owner that the Township shall have the right
of entry for the purposes of inspecting all stormwater conveyance,
treatment, or storage facilities.
H. A location map, drawn to a scale of a minimum of one inch equals
2,000 feet, relating the plan to municipal boundaries, at least two
intersections of road center line or other identifiable landmarks.
I. Existing features.
(1) In areas of proposed earth disturbance, contours at intervals of
one foot or two feet. In areas of steep slopes (greater than 15%)
and areas undisturbed, five-foot contour intervals may be used. Existing
contours shall be plotted as located by field survey, or by using
GIS or LIDAR data when deemed acceptable by the Township Engineer.
[Amended 4-17-2017 by Ord. No. 312-2017]
(2) The locations of all existing utilities (including sanitary sewers,
waterlines, on-lot disposal systems and wells), and associated easements.
(3) Physical features including flood hazard boundaries, wetlands, sinkholes,
streams, lakes, ponds and other water bodies, existing drainage courses,
karst features, areas of native vegetation including trees greater
than six inches diameter at breast height, woodlands, other environmentally
sensitive areas and the total extent of the upstream area draining
through the development site.
(4) Soil names and boundaries.
(5) All existing man-made features within 200 feet of the development
site boundary.
(6) All existing stormwater management facilities on the site and a note
identifying any recorded stormwater management agreements affecting
the subject property.
(7) Names of all adjacent landowners, property boundaries and locations
and dimensions of easements, as located by field survey, or by deed
plotting when deemed acceptable by the Township Engineer.
[Added 4-17-2017 by Ord.
No. 312-2017]
J. Proposed features.
(1) Changes to the land surface and vegetative cover, including final
proposed contours at intervals of one or two feet in areas of disturbance.
In areas of steep slopes (greater than 15%) and areas undisturbed,
five-foot contour intervals may be used.
(2) Proposed structures, roads, paved areas, building and other impervious
and semi-impervious areas.
(3) The location of any proposed on-lot disposal systems, replacement
drainfield easements, and water supply wells.
(4) A note indicating existing and proposed land use(s).
(5) Plan and profile drawings of all proposed SWM facilities, including
BMPs, drainage structures, pipes, open channels, and swales.
(6) Where pervious pavement is to be installed, pavement material and
construction specifications shall be included.
(7) The location of all existing and proposed easements, including drainage
easements, access easements and riparian corridor easements.
(8) A planting plan shall be provided for all vegetated BMPs in accordance with §
113-31N.
K. The location of all E&S control facilities.