A.
No approval of any subdivision or land development plans or issuance
of any building or occupancy permit or the commencement of any earth
disturbance involving earth disturbance 5,000 square feet or greater
at a project site within the Borough shall proceed until a written
approval of a project plan is issued by the Borough.
B.
The following general project plan requirements apply:
(1)
Stormwater management designs shall permit unimpeded flow along natural
watercourses, except as modified by stormwater BMPs consistent with
this chapter.
(2)
The existing points of concentrated drainage that discharge onto
adjacent property shall not be altered without permission of the adjacent
property owner(s).
(3)
Areas of existing diffused drainage discharge shall be subject to
any applicable criteria in the general direction of existing discharge,
whether proposed to be concentrated or maintained as diffused drainage
areas, except as otherwise provided by this chapter. If diffused flow
is proposed to be concentrated and discharged onto adjacent property,
the applicant must demonstrate that the resulting flows will not result
in any increased flooding or risk to human health and safety and violation
of the water quality requirements herein.
(4)
Where a development site is traversed by watercourses, drainage easements
shall be provided conforming to the line of such watercourses. The
terms of the easement shall prohibit excavation, the placing of fill
or structures, and any alterations that may adversely affect the flow
of stormwater within any portion of the easement. In addition, maintenance,
including mowing of vegetation within the easement, shall be required.
All such easements shall be recorded in the County Recorder's
office.
(5)
When it can be shown that, due to topographic conditions, natural
drainageways on the site cannot adequately provide for stormwater
surface drainage, open channels may be constructed conforming substantially
to the line and grade of such natural drainageways.
C.
The following items shall be included in the project plan:
(2)
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 Allegheny County. The contents
of the map(s) shall include but not be limited to:
(a)
The location of the project relative to highways, municipalities
or other identifiable landmarks.
(b)
Existing contours at intervals of two feet. In areas of steep
slopes (greater than 15%), five-foot contour intervals may be used.
(c)
Existing streams, lakes, ponds or other bodies of water within
the project area.
(d)
Other physical features, including flood hazard boundaries,
sinkholes, streams, existing drainagecourses, areas of natural vegetation
to be preserved, and the total extent of the upstream area draining
through the site.
(e)
The locations of all existing and proposed utilities, sanitary
sewers, and waterlines within 50 feet of property lines.
(f)
An overlay showing soil names and boundaries.
(g)
Proposed changes to the land surface and vegetative cover, including
the type and amount of impervious area that would be added.
(h)
Proposed structures, roads, paved areas, and buildings.
(i)
Final contours at intervals at two feet. In areas of steep slopes
(greater than 15%), five-foot contour intervals may be used.
(3)
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.
(4)
The date of submission.
(5)
A graphic and written scale of one inch equals no more than 50 feet;
for tracts of 20 acres or more, the scale shall be one inch equals
no more than 100 feet.
(6)
A North arrow.
(7)
The total tract boundary and size with distances marked to the nearest
foot and bearings to the nearest degree.
(8)
Existing and proposed land use(s).
(9)
A key map showing all existing man-made features beyond the property
boundary that would be affected by the project.
(10)
Horizontal and vertical profiles of all open channels, including
hydraulic capacity.
(11)
Overland drainage paths.
(12)
A fifteen-foot-wide access easement around all stormwater BMPs
that would provide ingress to and egress from a public right-of-way.
(13)
The location and responsibility for maintenance of stormwater
management BMPs that would be located off site. All off-site facilities
shall meet the performance standards and design criteria specified
in this chapter.
(14)
Construction detail of any improvements made to sinkholes and
the location of all notes to be posted, as specified in this chapter.
(15)
Statement, signed by the landowner, acknowledging the stormwater
BMPs to be fixtures that can be altered or removed only after approval
of a revised plan by the Borough.
(16)
The location of all erosion and sediment control BMPs.
(17)
The following signature block for the Borough Engineer:
|
I, __________________________, on this date _______________________
(date of signature), have reviewed and hereby certify that the drainage
plan meets all design standards and criteria of the municipal ordinance."
|
D.
Supplemental information.
(1)
A written description of the following information shall be submitted:
(2)
A soil erosion and sediment control plan, where applicable, including
all reviews and approvals as required by PADEP.
(3)
A geologic assessment of the effects of runoff on sinkholes as specified
in this chapter.
(4)
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.
(5)
A declaration of adequacy and highway occupancy permit from the PennDOT
District Office when utilization of a PennDOT storm drainage system
is proposed.
E.
Stormwater management BMPs.
(1)
All stormwater BMPs must be located on a plan and described in detail.
(2)
When infiltration methods such as seepage pits, beds or trenches
are used, the locations of existing and proposed septic tanks, infiltration
areas and wells must be shown.
(3)
All calculations, assumptions and criteria used in the design of
the stormwater BMPs must be shown.
For any activities that require a PADEP permit under Chapter
102 (Erosion and Sediment Control), Chapter 105 (Dam Safety and Waterway
Management) or Chapter 106 (Floodplain Management) of PADEP regulations,
require a PennDOT Highway Occupancy Permit, or require any other permit
under applicable state or federal regulations, the permit application(s)
(or confirmation of application by relevant governmental unit) shall
be part of the plan submittal.
A.
The Borough Engineer shall review the project plan for consistency
with this chapter. The Borough shall require receipt of a complete
plan, as specified in this chapter.
B.
The Borough Engineer shall consider the municipal subdivision and
land development ordinance provisions not superseded by this chapter
when reviewing the project plan.
C.
For activities governed by this chapter, the Borough Engineer shall
notify the applicant in writing, within 45 calendar days, whether
the project plan is consistent with this chapter. Should the project
plan be determined to be consistent with this chapter, the Borough
Engineer will forward an approval letter to the applicant with a copy
to the Borough Secretary.[1]
D.
Should the project plan be determined to be inconsistent with this
chapter, the Borough Engineer will forward a disapproval letter to
the applicant with a copy to the Borough Secretary citing the reason(s)
for the disapproval. Any disapproved project plans may be revised
by the applicant and resubmitted consistent with this chapter.
E.
The Borough Engineer shall notify the Borough Building Permit Officer
in writing, within a time frame consistent with the Borough Building
Code and/or Borough Subdivision Ordinance, whether the project plan
is consistent with this chapter and forward a copy of the approval/disapproval
letter to the applicant. Any disapproved project plan may be revised
by the applicant and resubmitted consistent with this chapter.
F.
For land development activities requiring a PADEP permit or other
approval, the Borough Engineer shall notify PADEP whether the project
plan is consistent with this chapter and forward a copy of the review
letter to the Borough and the applicant. PADEP may consider the Borough
Engineer's review comments in determining whether to issue a
permit.
G.
All required permits from PADEP must be obtained prior to approval
of the project plan by the Borough.
H.
The Borough shall not approve any subdivision or land development
plan or issue a building or occupancy permit unless the project plan
complies with the requirements of this chapter as determined by the
Borough Engineer.
I.
The applicant shall be responsible for completing an "as-built survey"
of all stormwater BMPs included in the approved project plan. The
as-built survey and an explanation of any discrepancies with the project
plan shall be submitted to the Borough Engineer for final approval.
J.
In no case shall the Borough approve the as-built survey until the
Borough receives a copy of an approved declaration of adequacy and
highway occupancy permit from the PennDOT District Office, and any
applicable permits from PADEP.
K.
The Borough's approval of a project plan shall be valid for a period not to exceed two years. This two-year time period shall commence on the date that the Borough signs the approved project plan. If stormwater BMPs included in the approved project plan have not been constructed, or if an as-built survey of these BMPs has not been approved within this two-year time period, then the Borough may consider the project plan disapproved and may revoke any and all municipal permits and approvals. Project plans that are considered disapproved by the Borough shall be resubmitted in accordance with § 230-17 of this chapter.[2]
A set of design plans approved by the Borough shall be on file
at the site throughout the duration of the development activity. Periodic
inspections may be made by the Borough or its designee during development
activities.
It shall be unlawful for any person to undertake any development
activity on any property except as provided for in the approved project
plan and pursuant to the requirements of this chapter. It shall be
unlawful to alter or remove any BMP required by the project plan pursuant
to this chapter or to allow the property to remain in a condition
which does not conform to the approved project plan.
A.
At the completion of the project, and as a prerequisite for the release of the performance guarantee under § 230-29, the owner or his representatives shall:
B.
After receipt of the certification by the Borough, a final inspection
shall be conducted by the Borough or its designee to certify compliance
with this chapter.
An occupancy permit shall not be issued unless the certification
of completion has been secured. The occupancy permit shall be required
for each lot owner and/or developer for all subdivisions and land
development in the Borough.
