A.
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.
B.
All landowners of land included in the SWM site plan shall be required
to execute all applications and final documents.
C.
All SWM site plans shall be prepared by a qualified professional.
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 larger scale (i.e., one inch equals 40 feet, one inch equals
30 feet, etc.) and shall be submitted on a minimum twenty-four-inch-by-thirty-six-inch
sheets.
E.
SWM site plans shall be prepared in a form that meets the requirements
for recording for 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.
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 the
plan.
D.
A statement, signed by the landowner, acknowledging the SWM facilities
are to be permanent fixtures that cannot be altered or removed unless
a revised plan is approved by Ephrata Borough.
E.
The signature blocks from Appendixes 1 through 3.[1]
[1]
Editor's Note: The appendices are included as attachments to this chapter.
F.
For SWM facilities located off-site;
G.
A note informing the owner that Ephrata Borough representatives 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 centerline or other identifiable landmarks.
I.
Existing features.
(1)
In areas of 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.
(2)
The locations of all existing utilities (including on lot disposal
systems and wells), sanitary sewers, and water lines and associated
easements.
(3)
Physical features, including flood hazard boundaries, wetlands,
sinkholes, streams, lakes, ponds and other waterbodies, 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)
An overlay showing soil names and boundaries.
(5)
All existing man-made features within 200 feet of the development
site boundary.
(6)
Inlets or other entry points to the MS4 both on-site and off-site
that could receive drainage from the site.
(7)
Show all existing impervious surfaces.
(8)
The locations of all existing SWM facilities, including BMPs,
drainage structures, pipes, open channels, and swales. Note whether
any existing SWM facilities serve other lots which are not part of
the proposed development.
(9)
The location of all existing easements, including drainage easements,
access easements and riparian corridor easements.
J.
Proposed features.
(1)
Changes to the land surface and vegetative cover, including
final proposed contours at intervals of one foot 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.
(6)
Where pervious pavement is to be installed, pavement material
and construction specifications shall be included.
(7)
The location of all proposed easements, including drainage easements,
access easements and riparian corridor easements.
K.
The location of all E&S control facilities.
L.
The plans should clearly indicate the need for a preconstruction
meeting to be held prior to earth-moving activities and recordation
of the plan and include personnel from the following:
M.
A note indicating that all items needing inspection shall be coordinated
by the owner and/or site operator (contractor). All requests for required
inspections by the contractor are to be deemed as approved requests
on behalf of the owner.
N.
The actual existing and proposed lot coverage in square feet, in
addition to the percentages, should clearly be shown on the data provided
on the plan. This should correlate to the design information in the
required post-construction stormwater management report to be used
as a benchmark for all future impervious surface changes.
O.
When applicable, notation should be added to the plan stating that,
"all impervious surfaces to be removed are to be removed full depth,
including any stone base," so as to receive credit as a post-development
condition pervious surface in the stormwater management design. A
statement, signed by the owner and any successor, acknowledging that
the impervious surfaces to be removed full depth function as the SWM
facilities for this project and cannot be added back or altered or
increased unless a revised plan is approved by the Borough must be
provided.
P.
A note indicating construction site operators are required to control
waste at the construction site that may cause adverse impacts to water
quality. These wastes can include discarded building materials, concrete
washout, chemicals, litter, and sanitary waste.
Q.
PCSM title blocks outlining each individual post-construction stormwater
management BMP and/or facility per Appendix 13.[2]
[2]
Editor's Note: The appendices are included as attachments to this chapter.
A.
General description of the development site, including a description
of existing natural and hydrologic features and any environmentally
sensitive areas. 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.
B.
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 discussed in Subsection I below.
C.
General description of the overall SWM concept for the project, including
a description of permanent SWM techniques (post-construction stormwater
management), 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 facilities
are meant to function with each other to manage stormwater runoff.
D.
Stormwater runoff design computations and documentation as specified in this chapter, or as otherwise necessary to demonstrate that the maximum practicable measures have been taken to meet the requirements of this chapter, including the recommendations and general requirements in § 275-301.
E.
Where an NPDES construction permit is required, a general description
of the overall approach, techniques, controls, BMPs, and methods for
managing nonstormwater generating activities (including, but not limited
to, concrete washouts and saw-cutting operations), waste (including,
but not limited to, solid waste and sanitary/septic waste), materials
(including, but not limited to, fertilizers/herbicides), and related
inspection and maintenance activities.
F.
The effect of the project (in terms of runoff volumes, water quality
and peak flows) on adjacent properties and on any existing municipal
stormwater management facilities that may receive runoff from the
development site.
G.
Plan and profile drawings of all SWM BMPs, including drainage structures,
pipes, open channels, and swales.
H.
SWM site plan shall show the locations of existing and proposed on-lot
wastewater facilities and water supply wells.
I.
The SWM site plan shall include an O & M plan for all existing
and proposed physical stormwater management facilities. This plan
shall address long-term ownership and responsibilities for O &
M as well as schedules and costs for O & M activities.
J.
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 controls under this chapter.
K.
Complete hydrologic, hydraulic, and structural computations for all
SWM facilities.
L.
Expected project time schedule.
M.
Verification of an approved and proven to be implemented agricultural
erosion and sediment control plan or conservation plan and a manure
management plan or nutrient management plan for agricultural uses.
A.
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:
B.
An E&S plan, including all approvals, as required by 25 Pa. Code
Chapter 102, shall be provided to the Borough prior to unconditional
final plan approval.
C.
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.
Applicants are encouraged to schedule a preapplication meeting
to review the overall stormwater management concept with Municipal
staff/Engineer. The preapplication meeting is not mandatory and shall
not constitute formal filing of a plan with the Borough. Topics discussed
may include the following;
A.
Available geological maps, plans and other available data.
B.
Findings of the site analysis, including identification of any environmentally
sensitive areas, wellhead protection areas, riparian corridors, hydrologic
soil groups, existing natural drainageways, karst features, areas
conducive to infiltration to be utilized for volume control, etc.
C.
Results of infiltration tests.
E.
The conceptual project layout, including proposed structural and
nonstructural BMPs.
F.
Potential impacts to the MS4 (including inlets to the MS4 off-site
but may receive drainage from the site) and possible protection measures
and BMPs.
A.
When a stormwater management site plan is required, the applicant
shall submit the following to the Borough:
(1)
Three copies to the Borough and one copy to the Borough Engineer of the SWM site plan prepared in accordance with the requirements of Article IV of this chapter.
(2)
One copy to the Borough and one copy to the Borough Engineer
of all supplemental data.
(3)
All applicable fees (in accordance with the Ephrata Borough's
current fee schedule).
B.
The SWM site plan shall be submitted in a format that is clear, concise,
legible, neat and well organized.
C.
The applicant is responsible for submitting plans to any other agencies
such as the Lancaster County Conservation District, PennDOT, DEP,
etc., when permits from these agencies are required. Final approval
shall be conditioned upon the applicant obtaining all necessary permits.
D.
Incomplete submissions as determined by the governing body or its designee, shall be returned to the applicant within seven days, along with a statement that the submission is incomplete, and stating the deficiencies found. Otherwise, the application shall be deemed accepted for filing as of the date of submission. Acceptance of the application shall not, however, constitute an approval of the plan or a waiver of any deficiencies or irregularities. The applicant may appeal the Borough's decision not to accept a particular application in accordance with § 275-905 of this chapter.
E.
At its sole discretion and in accordance with this article, when
a SWM site plan is found to be deficient, Ephrata Borough may either
disapprove the submission and require a resubmission, or in the case
of minor deficiencies, Ephrata Borough may accept submission of revisions.
A.
When the regulated activity constitutes a subdivision or land development as defined in Chapter 281 of the Code of the Borough of Ephrata, the Ephrata Borough Subdivision and Land Development Ordinance, the SWM site plan and subdivision/land development plan shall be processed concurrently according to the plan processing procedure outlined in the Subdivision and Land Development Ordinance.[1]
B.
When the regulated activity constitutes a small project, the Borough
shall review and take action on the small project application within
30 days of date of receipt.
C.
When the regulated activity does not constitute a subdivision or
land development or small project, the Borough Engineer shall review
the SWM site plan for conformance with the provisions of this chapter.
D.
Following receipt of the Borough Engineer's report and within
90 days following the date of the first regular meeting of the Borough
Council after the date the application is filed, the Borough Council
will schedule the SWM site plan application for action at a regularly
scheduled public meeting.
E.
Within 15 days of the meeting at which the SWM site plan application
is acted upon by the Borough Council, written notice of the Borough
Council's action shall be sent to the following individuals:
F.
For any SWM site plan that proposes to use any BMPs other than green
infrastructure and LID practices to achieve the volume and rate controls
required under this chapter, the Borough will not approve the SWM
site plan unless it determines that green infrastructure and LID practices
are not practicable.
G.
If the Borough disapproves the SWM site plan, the Borough will state
the reasons for the disapproval in writing. The Borough also may approve
the SWM site plan with conditions and, if so, shall provide the acceptable
conditions for approval in writing. Such conditional approval shall
be contingent upon the applicant's written acceptance of the
conditions.
B.
For the purposes of review deadlines, each resubmission required under § 275-409A (after submission but before approval) shall constitute a new submission for the purposes of time limits as set forth in the MPC and this chapter.
C.
Any substantial revisions to a SWM site plan after approval shall
be submitted as a new plan to the Borough, accompanied by the applicable
review fee.
D.
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 Borough
shall require a resubmission of the modified SWM site plan in accordance
with this article.
A.
The plans should clearly indicate the need for a preconstruction
meeting to be held prior to earth-moving activities and include personnel
from the following:
B.
Upon approval by the Borough, stormwater management plans must be
recorded at the Lancaster County Recorder of Deeds office. Proof of
recordation must be provided to the Borough. The above-mentioned preconstruction
meeting shall be scheduled with all required parties prior to releasing
plans for recording.
A.
Approval of a SWM site plan shall be valid for a period not to exceed
five years. The Borough may specify a term of validity shorter than
five years in the approval for any specific SWM site plan. This time
period shall commence on the date that the Borough approves the SWM
site plan.
B.
If a certificate of completion as required by § 275-412 of this chapter has not been submitted within the specified time period, then the Borough may consider the SWM site plan disapproved and may revoke any and all permits issued by the Borough. If an approved SWM site plan is not completed according to § 275-412 within the term of validity, then the Borough may consider the SWM site plan disapproved and may revoke any and all permits. SWM site plans that are considered disapproved by the Borough may be resubmitted in accordance with § 275-407 of this chapter.
C.
The valid time period of individual SWM site plans shall be extended
at the Borough's discretion based on an application from the
equitable owner.
A.
At the completion of the project, and as prerequisite for the release
of the financial security, the applicant shall provide certification
of completion from an engineer, landscape architect, surveyor or other
qualified professional verifying that all permanent SWM facilities
have been constructed according to the plans and specifications and
approved revisions thereto.
B.
Upon receipt of the certificate of completion, and prior to release
of the remaining financial security the Borough shall conduct a final
inspection to certify compliance with this chapter.
A.
Upon completion of the plan improvements and prior to the release
of financial security, the applicant shall submit an as-built plan
and an explanation of any discrepancies to the Borough. The as-built
plan must show the final design specifications for all stormwater
management facilities and be sealed by a qualified professional.
B.
Review by Borough Engineer.
(1)
The as-built plan shall be reviewed by the Borough Engineer
to verify the plan includes all of the stormwater management facilities
on the subject property and the facilities are shown at the correct
location.
(2)
The Borough Engineer shall either approve the as-built plan
or identify corrections required.
(3)
If the Borough Engineer identifies corrections required to the
as-built plan, the applicant shall submit a revised as-built plan
to the Borough addressing the corrections.
C.
Following approval of the as-built plan by the Borough Engineer,
the applicant shall submit the SWM site plan for recordation in the
office of the Recorder of Deeds. Proof of recordation must be provided
to the Borough.
D.
Digital inventory.
(1)
When required. A digital inventory shall be submitted following
approval of the as-built plan by the Borough Engineer if the project
includes any of the following:
(2)
Digital inventory requirements.
(a)
The digital inventory shall be in an electronic format acceptable
to the Borough.
(b)
The digital inventory shall include all information included
and shown on the approved as-built plan.
(c)
The latitude and longitude coordinates for all permanent SWM
BMPs, at the central location of the BMPs.
(d)
All coordinates as depicted on the plan shall be based on the
PA South Zone State Plan Coordinate System (NAD83 for horizontal and
NAVD88 for vertical).
