[Ord. 954, 12/19/2013]
1.
The SWM site plan shall consist of a narrative and all applicable
calculations, maps, plans and supplemental information necessary to
demonstrate compliance with this chapter.
2.
All landowners of land included in the SWM site plan shall be required
to execute all applications and final documents.
3.
All SWM site plans and design calculations shall be signed and sealed
by the qualified person responsible for the design (Appendix A-6).[1]
[1]
Editor's Note: Appendix A is included as an attachment to this chapter.
4.
Where the regulated activity constitutes subdivision or land development as hereinabove defined, the SWM site plan shall be submitted with and form an integral part of the plans required under Chapter 22, Subdivision and Land Development.
5.
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 chapter.
[Added by Ord. No. 1004, 8/18/2022]
[Ord. 954, 12/19/2013]
1.
Drafting Standards.
A.
The plan should be clearly and legibly drawn.
B.
If the plan is prepared in two or more drawing sheets, a key map
showing the location of the sheets and a match line shall be placed
on each sheet.
C.
Each sheet shall be numbered to show the relationship to the total
number of sheets in the plan (e.g., Sheet 1 of 5). The cover page
shall include a sheet index indicating which plan sheets are to be
recorded.
D.
Drawings or maps of the project area shall be drawn at one inch equals
50 feet or a larger scale (i.e., one inch equals 40 feet, one inch
equals 30 feet, etc.) and shall be submitted on twenty-four-inch by
thirty-six-inch sheets.
E.
SWM site plans shall be prepared in a form that meets the requirements
for recording in the office of the Recorder of Deeds of Lancaster
County.
F.
The total development site boundary and size with distances marked
to the nearest foot and bearings to the nearest degree.
G.
The proposed name or identifying title of the plan.
2.
SWM Site Plan Information. The following items shall be included
in the SWM plan:
A.
The date of the SWM plan and all revision dates, 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 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 Borough, which shall be included
on a plan sheet intended for recording.
E.
For SWM facilities located off site:
F.
A note informing the owner that the Borough shall have the right
of entry for the purposes of inspecting all stormwater conveyance,
treatment or storage facilities.
G.
The Borough of Elizabethtown SWM plan approval certification shall
be included on the plan (Appendix A-6).[1]
[1]
Editor's Note: Appendix A is included as an attachment to this chapter.
H.
A location map, drawn to a scale of a minimum of one inch equals
2,000 feet, relating the plan to Borough boundaries, at least two
intersections of road center lines or other identifiable landmarks.
I.
A note on the plan indicating any area that is not to be offered
for dedication along with the statement that the Borough is not responsible
for maintenance of any area not dedicated to and accepted for public
use and that no alteration to swales, basins or placement of structures
shall be permitted within easements.
J.
A certificate, signed and sealed by a qualified professional registered
in the Commonwealth of Pennsylvania and qualified to perform such
duties. See form of certificate in Appendix A-6.[2]
[2]
Editor's Note: Appendix A is included as an attachment to this chapter.
K.
The names of all owners of all immediately adjacent lands, including
those properties located across street rights-of-way.
L.
Existing Features.
(1)
In areas of disturbance, contours at intervals of one or two
feet. In areas of steep slopes (greater than 15%) and areas undisturbed,
five-foot contour intervals may be used. In areas of very flat slopes,
one-foot contours are required.
(2)
The locations of all existing utilities (including on-lot disposal
systems and wells), sanitary sewers, and water lines and associated
easements within 100 feet of the development site boundary.
(3)
Physical features, including flood hazard boundaries, wetlands,
sinkholes, streams, lakes, ponds and other water bodies, existing
drainagecourses, 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 within 100 feet
of the development site boundary.
(4)
An overlay showing soil names and boundaries.
(5)
All existing man-made features within 100 feet of the development
site boundary.
M.
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, buildings 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. This information
shall be of the quality required for construction of all facilities.
(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 § 301, Subsection 14.
N.
The location of all E&S control facilities and the sequence of
construction.
O.
The plan shall include a note on the cover page identifying the number
of square feet of impervious coverage which the stormwater management
facilities have been designed to accommodate.
3.
Additional Information.
A.
A general description of the development site, including a description
of existing natural and hydrologic features and any environmentally
sensitive areas.
B.
A general description of the overall SWM concept for the project,
including a description of permanent SWM techniques, nonstructural
BMPs to be employed and construction specifications of the materials
to be used for structural SWM facilities. The narrative shall include
a description of any treatment trains and how the SWM facilities are
meant to function with each other to manage stormwater runoff.
C.
The effect of the project (in terms of runoff volumes, water quality
and peak flows) on adjacent properties and on any existing Borough
SWM facilities that may receive runoff from the development site.
D.
Complete hydrologic, hydraulic and structural computations for all
SWM facilities.
E.
An expected project time schedule.
[Ord. 954, 12/19/2013]
1.
Drafting Standards.
A.
The plan should be clearly and legibly drawn.
B.
If the plan is prepared in two or more drawing sheets, a key map
showing the location of the sheets and a match line shall be placed
on each sheet.
C.
Each sheet shall be numbered to show the relationship to the total
number of sheets in the plan (e.g., Sheet 1 of 5).
D.
Drawings or maps of the project area shall be drawn at one inch equals
50 feet or a larger scale (i.e., one inch equals 40 feet, one inch
equals 30 feet, etc.) and shall be submitted on twenty-four-inch by
thirty-six-inch sheets.
E.
SWM plans shall be prepared in a form that meets the requirements
for recording in the office of the Recorder of Deeds of Lancaster
County.
F.
The total development site boundary and size with distances marked
to the nearest foot and bearings to the nearest degree.
G.
The proposed name or identifying title of the plan.
H.
The plan sheets or sheet index shall clearly indicate which sheets
are to be recorded as part of the project.
2.
SWM Site Plan Information. The following items shall be included
in the SWM site plan:
A.
The date of the SWM site plan and all revision dates, 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 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 Borough, which shall be included
on a plan sheet intended for recording.
E.
For SWM facilities located off site:
F.
A note informing the owner that the Borough shall have the right
of entry for the purposes of inspecting all stormwater conveyance,
treatment, or storage facilities.
G.
The Borough of Elizabethtown SWM plan approval certification shall
be included on the plan (Appendix A-6).[1]
[1]
Editor's Note: Appendix A is included as an attachment to this chapter.
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 lines or other identifiable landmarks.
I.
A note on the plan indicating any area that is not to be offered
for dedication along with the statement that the Borough is not responsible
for maintenance of any area not dedicated to and accepted for public
use and that no alteration to swales, basins or placement of structures
shall be permitted within easements.
J.
A certificate, signed and sealed by a qualified professional registered
in the Commonwealth of Pennsylvania and qualified to perform such
duties. See form of certificate in Appendix A-6.[2]
[2]
Editor's Note: Appendix A is included as an attachment to this chapter.
K.
The names of all owners of all immediately adjacent lands, including
those properties located across street rights-of-way.
L.
Existing Features.
(1)
In areas of disturbance, contours at intervals of one or two
feet. In areas of steep slopes (greater than 15%) and areas undisturbed,
five-foot contour intervals may be used. In areas of very flat slopes,
one-foot contours are required.
(2)
The locations of all existing utilities (including on-lot disposal
systems and wells), sanitary sewers and water lines and associated
easements within 200 feet of the development site boundary.
(3)
Physical features, including flood hazard boundaries, wetlands,
sinkholes, streams, lakes, ponds and other water bodies, existing
drainagecourses, 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 within 200 feet
of the development site boundary.
(4)
An overlay showing soil names and boundaries.
(5)
All existing man-made features within 200 feet of the development
site boundary.
M.
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, buildings 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. This information
shall be of the quality required for construction of all facilities.
(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 § 301, Subsection 14.
N.
The location of all E&S control facilities and the sequence of
construction.
O.
The plan shall include a note on the cover page identifying the number
of square feet of impervious coverage which the stormwater management
facilities have been designed to accommodate.
3.
Additional Information.
A.
A general description of the development site, including a description
of existing natural and hydrologic features and any environmentally
sensitive areas.
B.
A general description of the overall SWM concept for the project,
including a description of permanent SWM techniques, nonstructural
BMPs to be employed and construction specifications of the materials
to be used for structural SWM facilities. The narrative shall include
a description of any treatment trains and how the SWM facilities are
meant to function with each other to manage stormwater runoff.
C.
The effect of the project (in terms of runoff volumes, water quality
and peak flows) on adjacent properties and on any existing municipal
SWM facilities that may receive runoff from the development site.
D.
Complete hydrologic, hydraulic and structural computations for all
SWM facilities.
E.
An expected project time schedule.
[Ord. 954, 12/19/2013]
1.
In areas of carbonate geology, a detailed geologic evaluation prepared
by a registered professional geologist (PG) must be submitted as part
of the SWM site plan. The report shall include, but not limited to,
the following:
2.
An E&S plan, including all approvals, as required by Chapter
102, shall be provided to the Borough prior to unconditional final
plan approval.
3.
For any activities that require a DEP joint permit application and
are regulated under Chapter 105 or Chapter 106, require a PennDOT
highway occupancy permit, or require any other permit under applicable
state or federal regulations, the permit(s) shall be part of the SWM
site plan and must be obtained prior to unconditional final plan approval.
4.
An operation and maintenance (O&M) plan that addresses the requirements
of § 603.
