The Legislature of the Commonwealth of Pennsylvania has, by
the passage of the Pennsylvania Flood Plain Management Act of 1978,
delegated the responsibility to local governmental units to adopt
floodplain management regulations to promote public health, safety,
and the general welfare of its citizenry. Therefore, the Board of
Supervisors of the Township of Unity does hereby ordain and enact
as follows.
The intent of this chapter is to:
A. Promote the general health, welfare, and safety of the community.
B. Encourage the utilization of appropriate construction practices in
order to prevent or minimize flood damage in the future.
C. Minimize danger to public health by protecting water supply and natural
drainage.
D. Reduce financial burdens imposed on the community, its governmental
units, and its residents, by preventing excessive development in areas
subject to flooding.
E. Comply with federal and state floodplain management requirements.
This chapter supersedes any other conflicting provisions that
may be in effect in identified floodplain areas. However, any other
ordinance provisions shall remain in full force and effect to the
extent that those provisions are more restrictive. If there is any
conflict between any of the provisions of this chapter with those
in any other ordinance currently in effect, the more restrictive provisions
shall apply.
The provisions of this chapter are severable. If any section,
subsection, paragraph, sentence, clause, or phrase of this chapter
is declared to be void or invalid for any reason whatsoever, the remaining
sections, subsections, paragraphs, sentences, clauses or phrases shall
continue and remain in full force and effect.
The degree of flood protection sought by the provisions of this
chapter is based on acceptable engineering principles and considered
reasonable for regulatory purposes. Larger floods may occur or flood
heights may be increased by man-made or natural causes, such as ice
jams and bridge openings restricted by debris. This chapter does not
imply that areas outside any identified floodplain areas or land uses
permitted within such areas will be free from flooding or flood damages.
This chapter shall not create liability on the part of the Township
of Unity or any officer or employee thereof for any flood damages
that result from reliance on this chapter or any administrative decision
lawfully made thereunder.
The identified floodplain area shall be any area of the Township
of Unity classified as special flood hazard areas (SFHAs) in the Flood
Insurance Study (FIS) and the accompanying Flood Insurance Rate Maps
(FIRMs) dated March 17, 2011, and issued by the Federal Emergency
Management Agency (FEMA) or the most recent revision thereof, including
all digital data developed as part of the Flood Insurance Study. The
above-referenced FIS and FIRMs, and any subsequent revisions and amendments
are hereby adopted by the Township of Unity and declared to be a part
of this chapter. The identified floodplain area shall consist of the
following specific areas:
A. FW (floodway area): the areas identified as "floodway" in the AE
Zone in the Flood Insurance Study prepared by FEMA. The term shall
also include floodway areas which have been identified in other available
studies or sources of information for those floodplain areas where
no floodway has been identified in the Flood Insurance Study.
B. FF (flood-fringe area): the remaining portions of the one-hundred-year
floodplain in those areas identified as an AE Zone in the Flood Insurance
Study, where a floodway has been delineated.
C. FE (special floodplain area): the areas identified as Zone AE in
the Flood Insurance Study, where one-hundred-year flood elevations
have been provided, but no floodway has been delineated.
D. FA (general floodplain area): the areas identified as Zone A in the
FIS that are subject to inundation by the 1% annual-chance flood event
determined using approximate methodologies. Because detailed hydraulic
analyses have not been performed, no BFEs or flood depths are shown.
When available, information from other federal, state, and other acceptable
sources shall be used to determine the BFE, as well as the floodway
area, if possible. When no other information is available, the BFE
shall be determined by using a point on the boundary of the identified
floodplain area that is nearest the construction site in question.
In lieu of the above, the Township may require the applicant
to determine the elevation with hydrologic and hydraulic engineering
techniques. Hydrologic and hydraulic analyses shall be undertaken
only by professional engineers or others of demonstrated qualifications,
who shall certify that the technical methods used correctly reflect
currently accepted technical concepts. Studies, analyses, computations,
etc., shall be submitted in sufficient detail to allow a thorough
technical review by the Township.
The identified floodplain area may be revised or modified by
the Township where studies or information provided by a qualified
agency or person documents the need for revision. Approval must be
obtained from FEMA prior to such change. As soon as practicable, but
not later than six months after the date such information becomes
available, the Township shall notify FEMA of the changes by submitting
all technical or scientific data supporting such change.
All subdivision proposals and development proposals containing
at least 50 lots or at least five acres, whichever is the lesser,
in flood hazard areas where base flood elevation data are not available,
shall be supported by hydrologic and hydraulic engineering analyses
that determine base flood elevations and floodway information. The
analyses shall be prepared by a licensed professional engineer in
a format required by FEMA for a Conditional Letter of Map Revision
or Letter of Map Revision. Submittal requirements and processing fees
shall be the responsibility of the applicant.
Recreational vehicles in Zones A1-30, AH and AE must either:
A. Be on the site for fewer than 180 consecutive days;
B. Be fully licensed and ready for highway use; or
C. Meet the permit requirements for manufactured homes in §
57-13.
Upon receipt of an application for a special permit by the Township,
the procedures followed for an application for a preliminary plan
approval shall be followed.
A. Within three working days following receipt of the application, a
complete copy of the application and all accompanying documentation
shall be forwarded to the County Planning Commission by registered
or certified mail for its review and recommendations. Copies of the
application shall also be forwarded to the Township Planning Commission
and Township Engineer for review and comment.
B. If an application is received that is incomplete, the Township shall
notify the applicant, in writing, stating in what respect the application
is deficient.
C. If the Township decides to disapprove an application, it shall notify
the applicant, in writing, of the reasons for the disapproval.
D. If the Township approves an application, it shall file written notification,
together with the application and all pertinent information, with
the Pennsylvania Department of Community and Economic Development,
by registered or certified mail, within five working days after the
date of approval.
E. Before issuing the special permit, the Township shall allow the Pennsylvania
Department of Community and Economic Development 30 days, after receipt
of the notification by the Department, to review the application and
decision made by the Township.
F. If the Township does not receive any communication from the Pennsylvania
Department of Community and Economic Development during the thirty-day
review period, it may issue a special permit to the applicant.
G. If the Pennsylvania Department of Community and Economic Development
should decide to disapprove an application, it shall notify the Township
and the applicant, in writing, of the reasons for the disapproval,
and the Township shall not issue the special permit.
The following words and phrases, when used in this section and
in relation to construction within a floodplain, shall have the meanings
set forth hereafter. To the extent any word or phrase set forth hereafter
is defined differently in any other portion of this chapter, the meaning
set forth hereafter shall be attributed to those circumstances involving
floodplain construction. Any inconsistencies in any word or phrase
shall be construed to give effect to both definitions where possible
and this section shall be interpreted to effectuate its intended purpose.
BASE FLOOD
A flood that has a 1% chance of being equaled or exceeded
in any given year (also called the "one-hundred-year flood").
BASE FLOOD ELEVATION (BFE)
The elevation shown on the Flood Insurance Rate Map (FIRM)
for Zones AE, AH, A1-30 that indicates the water surface elevation
resulting from a flood that has a 1% or greater chance of being equaled
or exceeded in any given year.
BASEMENT
Any area of the building having its floor below ground level
on all sides.
DATE OF COMPLETION or DATE WORK COMPLETED
When used herein, shall mean the date any work performed
under a permit issued hereunder is completed on the ground, inspected
and finally approved, in writing, by the Floodplain Administrator.
DEVELOPMENT
Any man-made change to improved or unimproved real estate,
including. but not limited to, the construction, reconstruction, renovation,
repair, expansion, or alteration of buildings or other structures;
the placement of manufactured homes; streets, and other paving; utilities;
filling, grading and excavation; mining; dredging; drilling operations;
storage of equipment or materials; and the subdivision of land.
ESSENTIALLY DRY SPACE
A space which will remain dry during flooding, except for
the passage of some water vapor or seepage; and which space is substantially
impermeable to the passage of water.
FA (GENERAL FLOODPLAIN AREA)
The areas identified as Zone A in the Flood Insurance Study
for which no one-hundred-year flood elevations have been provided.
When available, information from federal, state and other acceptable
sources shall be used to determine the one-hundred-year elevation,
as well as a floodway area, if possible. When no other information
is available, the one-hundred-year elevation shall be determined by
using a point on the boundary of the identified floodplain area which
is nearest the construction site in question.
FE (SPECIAL FLOODPLAIN AREA)
The areas identified as Zone AE in the Flood Insurance Study,
where one-hundred-year flood elevations have been provided but no
floodway has been delineated.
FEMA
The Federal Emergency Management Agency.
FLOOD INSURANCE RATE MAP (FIRM)
The Official Map upon which the Federal Emergency Management
Agency or Federal Insurance Administration has delineated both the
areas of special flood hazards and the risk premium zones applicable
to the community.
FLOOD INSURANCE STUDY (FIS)
The official report provided by the Federal Insurance Administration
that includes flood profiles, the Flood Insurance Rate Map, the Flood
Boundary and Floodway Map, and the water surface elevation of the
base flood.
FLOOD-FRINGE DISTRICT
That area of the one-hundred-year floodplain not included
in the Floodway District. The basis for the outermost boundary of
this district shall be the one-hundred-year-flood elevations contained
in the flood profiles of the Flood Insurance Study.
FLOODPLAIN
A relatively flat or low land area which is subject to inundation
from the rapid accumulation of surface waters, including Floodway
Districts, Flood-Fringe Districts and General Floodplain Districts.
FLOODPLAIN AREA
A relatively flat or low land area which is subject to partial
or complete inundation from an adjoining or nearby stream, river or
watercourse; and/or any area subject to the unusual and rapid accumulation
of surface waters from any source.
FLOODPLAIN DISTRICT
A floodplain area for which no detailed flood profiles or
elevations are provided, but where a one-hundred-year floodplain boundary
has been approximated. Such areas are shown on the Flood Boundary
and Floodway Maps of the Flood Insurance Study.
FLOODPROOFING
Any combination of structural and nonstructural additions,
changes, or adjustments to structures which reduce or eliminate flood
damage to real estate or improved real property, water and sanitary
facilities, structures and their contents.
FLOODWAY
The channel of a river or other watercourse and the adjacent
land areas that must be reserved in order to discharge the base flood
without cumulatively increasing the water surface elevation more than
one foot.
FLOODWAY DISTRICT
That portion of a floodplain delineated for regulation by
this chapter which must be reserved to discharge the waters of the
one-hundred-year flood without causing more than a one-foot rise in
flood heights. The areas included in this district are specifically
defined on Tables 1 through 6 of the Flood Insurance Study.
FW (FLOODWAY AREA)
The areas identified as "floodway" in the AE Zone in the
Flood Insurance Study prepared by the Federal Emergency Management
Agency. The term shall also include floodway areas which have been
identified in other available studies or sources of information for
those floodplain areas where no floodway has been identified in the
Flood Insurance Study.
HISTORIC STRUCTURE
Any structure that is:
A.
Listed individually in the National Register of Historic Places
(a listing maintained by the Department of Interior) or preliminarily
determined by the Secretary of the Interior as meeting the requirements
for individual listing on the National Register;
B.
Certified or preliminarily determined by the Secretary of the
Interior as contributing to the historical significance of a registered
historic district or a district preliminarily determined by the Secretary
to qualify as a registered historic district;
C.
Individually listed on a state inventory of historic places
in states which have been approved by the Secretary of the Interior;
or
D.
Individually listed on a local inventory of historic places
in communities with historic preservation that have been certified
either:
(1)
By an approved state program as determined by the Secretary
of the Interior; or
(2)
Directly by the Secretary of the Interior in states without
approved programs.
LOWEST FLOOR
The lowest floor of the lowest fully enclosed area (including
the basement). An unfinished, flood-resistant, partially enclosed
area used solely for parking of vehicles, building access, and incidental
storage, in an area other than a basement area is not considered the
lowest floor of a building, provided that such space is not designed
and built so that the structure is in violation of the applicable
non-elevation design requirements of this chapter.
MANUFACTURED HOME
A structure, transportable in one or more sections, which
is built on a permanent chassis, and is designed for use with or without
a permanent foundation when attached to the required utilities. The
term includes park trailers, travel trailers, recreational and other
similar vehicles that are placed on a site for more than 180 consecutive
days.
NEW CONSTRUCTION
Structures for which the start of construction commenced
on or after July 17, 1978, and includes any subsequent improvements
thereto.
ONE-HUNDRED-YEAR FLOOD
A flood that, on the average, is likely to occur once every
100 years (i.e., that has a 1% chance of occurring each year, although
the flood may occur in any year).
RECREATIONAL VEHICLE
A vehicle which is:
A.
Built on a single chassis;
B.
Not more than 400 square feet, measured at the largest horizontal
projections;
C.
Designed to be self-propelled or permanently towable by a light-duty
truck; and
D.
Not designed for use as a permanent dwelling but as temporary
living quarters for recreational, camping, travel, or seasonal use.
SPECIAL FLOOD HAZARD AREA (SFHA)
An area in the floodplain subject to a 1% or greater chance
of flooding in any given year. It is shown on the FIRM as Zone A,
AO, A1-A30, AE, A99, or, AH.
START OF CONSTRUCTION
Any or all of the following:
A.
Land preparation, such as clearing, grading, and filling;
B.
The installation of streets and/or walkways;
C.
Excavation for a basement, footings, piers, or foundations or
the erection of temporary forms;
D.
The first placement of permanent construction of a structure
on a site, such as the pouring of a slab or footings, the installation
of piles, the construction of columns, or any work beyond the stage
of excavation;
E.
The placement of a manufactured home on a foundation; or
F.
For a "substantial improvement," the first, alteration of any
wall, ceiling, floor, or other structural part of a building, whether
or not that alteration affects the external dimensions of the building.
STRUCTURE
A walled and roofed building, a gas or liquid storage tank
or any other building or appurtenance that is principally above ground,
including a manufactured home. For a substantial improvement, the
"actual start of construction" means the first alteration of any wall,
ceiling, floor, or other structural part of a building, whether or
not that alteration affects the external dimensions of the building.
SUBSTANTIAL DAMAGE
Damage from any cause sustained by a structure where the
cost of restoring the structure to its before-damaged condition would
equal or exceed 50% or more of the market value of the structure before
the damage occurred.
SUBSTANTIAL IMPROVEMENT
Any reconstruction, rehabilitation, addition, or other improvement
of a structure, the cost of which equals or exceeds 50% of the market
value of the structure before the "start of construction" of the improvement.
This term includes structures that have incurred "substantial damage"
regardless of the actual repair work performed. The term does not,
however, include:
A.
Any project for improvement of a structure to correct existing
violations of state or local health, sanitary, or safety code specifications
which have been identified by the local code enforcement official
and which are the minimum necessary to assure safe living conditions;
or
B.
Any alteration of an "historic structure," provided that the
alteration will not preclude the structure's continued designation
as an "historic structure."
VIOLATION
The failure of a structure or other development to be fully
compliant with the community's floodplain management regulations.
A structure or other development without an elevation certificate,
other certifications, or other evidence of compliance required in
44 CFR 60.3(b)(5), (c)(4), (c)(10), (d)(3), (e)(2), (e)(4), or (e)(5)
is presumed to be in violation until such time that documentation
is provided.