[Ord. 1997-1, 5/12/1997, § 202]
The following terms, as used in this chapter, shall have the
meanings indicated below:
ACCELERATED EROSION
The removal of the surface of the land through the combined
action of man's activities and natural processes at a rate greater
than would occur from natural processes alone.
ACCESS DRIVE
A private drive providing pedestrian and vehicular access
between a public or private street and a parking area within a land
development and any driveway servicing two or more units of occupancy
on a single lot or contiguous lots. (See also "street.")
ACT
The Pennsylvania Municipalities Planning Code, Act of 1968,
P.L. 805, No. 247, as reenacted and amended, 53 P.S. § 10101
et seq.
ADT
Average daily traffic volumes on a road.
AGRICULTURAL LAND
Land used exclusively for the cultivation of the soil, the
production of crops or livestock, or the science of forestry; also,
land diverted from agricultural use by an active federal farm program,
provided the diverted land has a conservation cover of grass, legume,
trees, or wildlife shrubs. Agricultural land may include, to a minor
degree, farmsteads inhabited by the cultivator of the land, housing
for farm employees, and land used for preparation of agricultural
products by the cultivator of the land.
ALLUVIAL SOIL
Soils formed from material such as gravel, sand, or silt
deposited by a stream of water and showing little or no modification
of the original materials by soil forming processes. These soils may
be identified by the Soil Survey of Chester County, Pennsylvania,
or through an on-site analysis.
APPLICANT
A developer and/or landowner, as hereinafter defined, including
heirs, successors, and assigns, who has filed an application for subdivision
and/or land development.
APPLICATION FOR DEVELOPMENT
Every application, whether preliminary, tentative or final,
required to be filed and approved prior to start of construction or
development including, but not limited to, an application for a building
permit, for the approval of a subdivision plat or plan, or for the
approval of a development plan.
AUTHORITY
A body politic and corporate created pursuant to the Act
of May 2, 1945, P.L. 382, No. 164, known as the "Municipality Authorities
Act of 1945."
BLOCK
A tract of land bounded entirely by streets; by streets and
a watercourse; by streets and a railroad; by streets and the corporate
boundaries of the Township; by streets and public land or other park
or recreation area; or any combination of the above.
BOARD
The Board of Supervisors of East Nottingham Township.
BUFFER
A strip of required yard space adjacent to a use or facility
within a property, or to the boundary of a property or district, on
which is located a visual barrier of sufficient height and density
to appropriately buffer or screen the property or use.
BUILDER
A person, who is not necessarily the owner of the land or
agent of the same, who by contract or other agreement is charged with
the responsibility of construction of buildings or other structures,
or of making any construction improvements on any parcel of land.
BUILDING
Any structure having a roof supported by columns or walls
and intended for the shelter, housing or enclosure of persons, animals,
or chattels, including covered porches, decks and patios whether enclosed
or unclosed, storage/utility sheds, sun parlors, bay windows, and
chimneys, but does not include steps.
BUILDING COVERAGE
The relation or ratio of the total ground floor area of all
buildings on a lot to the total area of the lot on which they are
located.
BUILDING SETBACK LINE
An established line within a property defining the minimum required distance between any building to be erected and the adjacent right-of-way line of the street on which it fronts, to provide the minimum front yard dimension specified by the Township Zoning Ordinance [Chapter
27]. (See, also "lot line, front.")
CAPACITY
The maximum number of vehicles that can be expected to pass
over a given section of roadway or on a specific lane.
CARTWAY
The surface of a street, drive, or alley available for vehicular
traffic.
CHAIRPERSON
The Chairperson of the Board of Supervisors of East Nottingham
Township.
CLEAR SIGHT TRIANGLE
An area of unobstructed vision at a street intersection defined
by a line of sight between points at center lines.
COMMUNITY WATER SUPPLY
A utility operated by a municipality or a company, regulated
by the Public Utility Commission, which supplies potable, domestic
water for use by more than one household, business, or institution.
COMPREHENSIVE PLAN
The official public document prepared in accordance with
the Pennsylvania Municipalities Planning Code, Act 170 of 1988, 53
P.S. § 10101 et seq., and as subsequently amended, consisting
of maps, charts, and textual material, that constituted a policy guide
to decisions about the physical and social development of East Nottingham
Township.
CONDOMINIUM
A form of ownership of real property, as defined in the Pennsylvania
Uniform Condominium Act of 1980, 68 Pa.C.S.A. § 3101 et
seq., which includes an undivided interest in a portion of a parcel,
together with a separate interest in a space within a structure.
CROSSWALK
A right-of-way, municipally or privately owned, intended
to furnish access for pedestrians.
DEDICATION
The deliberate appropriation of land by its owner for general
public use.
DEED
A written instrument whereby an estate in real property is
conveyed.
DENSITY
The number of dwelling units or units of occupancy per acre,
exclusive of street rights-of-way.
DETENTION BASIN
A structure designed to retard surface water runoff for a
period of time sufficient to cause the deposition of sediment and
to reduce the velocity and/or volume of surface flows leaving a site,
thus preventing further erosion.
DEVELOPER
Any landowner, agent of such landowner, or tenant with the
permission of such landowner, who makes or causes to be made the improvements
associated with a subdivision or land development. The developer may
also be the subdivider as defined herein.
DEVELOPMENT
Any man-made change to improved or unimproved real estate
including, but not limited to, buildings or other structures, the
placement of mobile homes, streets and other paving, utilities, mining,
dredging, filling, grading, excavation, drilling operation, the storage
of equipment or materials, and the subdivision of land.
DEVELOPMENT AGREEMENT
A written contract between a subdivider or developer and
the landowner, on one hand, and the Borough and/or Township on the
other, specifying the conditions of final approval by the Borough
and/or Township, and providing for the completion and dedication of
public improvements.
DRAINAGE AREA
The upstream watershed area of a drainage basin measured
from a point of discharge in the watercourse.
DRAINAGE FACILITY
Any ditch, gutter, pipe, culvert, stormwater or other structure
designed, intended, or constructed for the purpose of diverting surface
waters from or carrying surface waters off streets, public rights-of-way,
parks, recreational area, or any part of any subdivision or land development
or contiguous land areas.
DRIVEWAY
A private means of vehicular and pedestrian access from a
public or private street to a single lot.
DRIVEWAY COMMON
A driveway providing access to not more than two contiguous lots, which is established and maintained in accordance with the applicable requirements of this chapter or Township Zoning Ordinance [Chapter
27], and all other applicable laws and regulations.
DWELLING
Any building or part thereof designated for or occupied principally for permitted residential uses. (See, also Township Zoning Ordinance [Chapter
27], as applicable.)
EARTHMOVING ACTIVITY
Activity resulting in the movement of earth or stripping
of vegetative cover from the earth.
EASEMENT
A permanent right granted for limited use of private land,
normally for a public purpose. The owner of the property shall have
the right to make any other use of the land which is not inconsistent
with the rights of the grantee (e.g., utility, drainage, and public
access easements).
EASEMENT CONSERVATION
A legal agreement between a property owner and an appropriate
conservation organization or governmental entity, through which the
property owner establishes certain use restrictions over all or portion(s)
of the property for conservation purposes.
EASEMENT, DRAINAGE
The land required for the installation of storm sewer or
drainage facilities, or required along a natural stream or watercourse
for preserving the channel and providing for the flow of water therein,
or to safeguard the public against flood damage.
ELEVATION
The horizontal alignment of a surface, as it exists or as
it is made by cut and/or fill.
(1)
FLOOR ELEVATIONThe elevation of the lowest level of a particular building, including the basement.
(2)
ROAD GRADEThe rate of rise and fall of a road-surface, measured along the profile of the center line of the cartway.
ENGINEER
A professional engineer registered by the Commonwealth of
Pennsylvania.
EROSION
The natural process by which the surface of the land is worn
away by the action of water, wind, or chemical action.
EXCAVATION
Any act by which earth, sand, gravel, rock, or any other
similar material is dug into, cut, quarried, uncovered, removed, displaced,
relocated, or moved, including the conditions resulting therefrom.
FENCE
Any freestanding and uninhabited structure consisting of
wood, glass, metal, plastic; wire, wire mesh, masonry, or vegetation,
singly or in combination with other material, two feet or higher,
erected to: secure or divide one property from another or part of
a property from a remaining part; to ensure privacy; to protect the
property so defined; and/or to enclose all or part of the property.
FILL
(1) any act by which earth, sand, gravel, rock, or any other
similar material is placed, pushed, dumped, pulled, transported, or
moved to a new location above the natural surface of the ground or
on top of the stripped surface, including the conditions resulting
therefrom; (2) the difference in elevation between a point on the
original ground and a designated point of higher elevation on the
final grade; (3) the material used to make a fill.
FILTER STRIPS
Long, narrow strips of close-growing vegetation at the perimeter
of disturbed or impervious areas which serve to intercept or retard
sheet flows of surface runoff and/or collect sediment. Used often
to protect other stormwater control facilities such as diversions,
impoundments, etc.
FLOOD
A general but temporary condition of partial or complete
inundation of normally dry land areas from the overflow of streams,
rivers, or other waters of this commonwealth.
FLOOD HAZARD AREA
A normally dry land area that has been and is susceptible
to being inundated by surface or subsurface flow in addition to stream
overflow. For regulatory purposes the Flood Plain Management Act,
Act of October 4, 1978, P.L. 851, No. 166, 32 P.S. § 679.101
et seq., and regulations pursuant to the Act define "flood hazard
area" as area identified by FEMA (as shown on the Floodplain Map)
as being subject to flooding by a one-hundred-year flood.
FLOOD-PROOFING
Any combination of structural and/or nonstructural provisions,
additions, changes, or adjustments to structures or contents which
are designed or adapted primarily to reduce or eliminate flood damage
to those structures or contents.
FLOODPLAIN
The low areas adjoining and including a watercourse or other body of water (such as a pond, marsh, or lake) within the Township, which are subject to inundation by a flood having a frequency of recurrence of one in 100 years. The basis for delineation shall be prescribed in the Township Zoning Ordinance [Chapter
27], as applicable.
FLOODWAY
The channel of the watercourse and those portions of the
adjoining floodplains which are reasonably required to carry and discharge
the one-hundred-year frequency flood. Unless otherwise specified,
the boundary of the floodway is as indicated on maps and flood insurance
studies provided by FEMA. In an area where no FEMA maps or studies
have defined the boundary of the one-hundred-year frequency floodway,
it is assumed absent evidence to the contrary that the floodway extends
from the stream to 50 feet from the top of the bank of the stream.
GRASSED WATERWAY
A natural or constructed waterway, usually broad and shallow,
covered with erosion-resistant grasses, used to conduct surface water
from cropland.
GUARANTEE PERFORMANCE
Any security which may be required of a developer by the
Township in lieu of a requirement that certain improvements be made
before the Township approves the developer's subdivision plan
or land development plan. Such security may include, but is not limited
to, those instruments cited above as acceptable for maintenance guarantees.
GUARANTEE, MAINTENANCE
Any security which may be required of a developer by the
Township after final acceptance by the Township of improvements installed
by the developer. Such security may include, but is not limited to,
federal or commonwealth lending institution irrevocable letter of
credit or restrictive or escrow account.
HALF STREET
A street of less than the required right-of-way and/or cartway
width, such as a street built from the shoulder edge to the eventual
center line. (See, also "street.")
IMPERVIOUS SURFACE
A surface which prevents the penetration of water into the
ground including roofs, concrete, asphalt, composed shale, sidewalks,
etc. Any areas which may be designed to initially be semi-pervious
(e.g., gravel, crushed stone, porous pavement, etc.) shall be impervious
areas for the purpose of calculations.
IMPOUNDMENT
A retention or detention basin designed to retain stormwater
runoff and release it at a controlled rate.
IMPROVEMENTS
Buildings for public or quasi-public use, streets, curbs,
gutters, street lights and signs, water mains, hydrants, sanitary
sewer mains including laterals to the street right-of-way line, storm
drainage lines, stormwater management structures, walkways, recreational
facilities, open space improvements, shade trees, buffer or screen
plantings, and all other additions to the tract that are required
by ordinance or necessary to result in a complete subdivision or land
development in the fullest sense of the term.
IMPROVEMENTS, PUBLIC
Improvements including, but not limited to, those contained
in the definition of "improvements," that are intended for dedication
to the Township, either in fee or by easement.
INFILTRATION
The flow of a liquid into a substance through pores or other
openings, connotes flow into a soil in contradistinction to the word
"percolation," which connotes flow through a porous substance. The
infiltration capacity is expressed in terms of inches per inch.
INFILTRATION STRUCTURES
A structure designed to direct runoff into the ground, e.g.
french drains, seepage pits, seepage trench.
INLET
A surface connection to a closed drain. A structure at the
diversion end of a conduit. The upstream end of any structure through
which water may flow.
INVERT ELEVATION
The vertical elevation of a pipe or orifice in a pond which
defines the water level.
LAND DEVELOPMENT
Any of the following activities:
(1)
The improvement of one lot or two or more contiguous lots, tracts,
or parcels of land for any purpose involving:
(a)
A group of two or more residential or nonresidential buildings,
whether proposed initially or cumulatively, or a single nonresidential
building on a lot or lots regardless of the number of occupants or
tenure.
(b)
The division or allocation of land or space, whether initially
or cumulatively, between or among two or more existing or prospective
occupants by means of, or for the purpose of streets, common areas,
leaseholds, condominiums, building groups or other features.
(3)
Development in accordance with § 503(1.1)(i) and (iii)
of the Municipalities Planning Code, 53 P.S. § 10503(1.1)(i),
(iii). The addition of an accessory building, including farm buildings,
on a lot or lots subordinate to an existing principal building shall
not be considered a land development for purposes of this chapter.
LAND DISTURBANCE
Any activity which causes land to be exposed to the danger
of erosion, including clearing, grading, filling, plowing, or any
other earthmoving, as defined.
LANDOWNER
The legal or beneficial owner or owners of land, including
for purposes of this chapter the holder of an option or contract to
purchase (whether or not such option or contract is subject to any
condition), a lessee if he is authorized under the lease to exercise
the rights of the landowner, or other person having a proprietary
interest in land.
LANE ACCELERATION OR DECELERATION
A lane of a cartway intended for use by vehicles entering,
leaving, or crossing a lane of forward travel without interrupting
the flow of traffic.
LATERAL
A utility line between a main line, located in a utility
easement or street right-of-way, and the building which the line serves.
LOT
A parcel of land, undivided by any street or dedicated future
street right-of-way. Such parcel shall be separately described by
metes and bounds, the description of which is recorded in the office
of the Recorder of Deeds of Chester County by deed description or
is described by an approved subdivision plan recorded in the office
of the Recorder of Deeds of Chester County.
LOT AREA
The area of a lot, provided that the area shall not include
any part of a abutting street nor any part of a driveway or area way
used in common with the owners or occupiers of other lots or land
and shall not include any area used or set aside for easements or
right-of-ways.
LOT COVERAGE
The total area of the lot or parcel which is covered by buildings,
driveways, paved surfaces, and other impervious surfaces.
LOT LINE, FRONT
The lot line abutting any street and coinciding with any
street right-of-way line. In the case of any corner lot, each of the
two (or more) street-abutting lot lines shall be considered a front
lot line. In the case of an interior lot, the front lot line shall
be the line most parallel and closest to the street right-of-way line
at the nearest point to the right-of-way where the lot attains substantially
the minimum required lot width.
LOT LINE, REAR
A lot line opposite and most distant from the front lot line.
If the rear lot line is less than 10 feet in length, or if the lot
forms a point at the rear, the rear lot line shall be deemed to be
a line 10 feet in length within the lot, parallel to and at the maximum
distance from the front lot line. In the case of a corner lot, the
rear lot line shall be any lot line that is not a front lot line or
a side lot line.
LOT REVERSE FRONTAGE
A lot extending between and having frontage on an arterial
or collector street and a local street, with vehicular access solely
from the latter.
LOT WIDTH
The horizontal distance between side lot lines measured along the street line or building setback line, as specified by the Township Zoning Ordinance [Chapter
27]. When the street line is curved, the measurement shall be made on the arc, on or parallel to the curve of the street line.
LOT, CORNER
A lot at the junction of and abutting two or more intersecting
streets where the interior angle of intersection does not exceed 135°.
A lot abutting a curved street shall be deemed a corner lot if the
tangents to the curve at the points of intersection of the side lot
lines with the street lines intersect at an interior angle of less
than 135°. Each yard abutting a street shall be considered a front
yard. Other yards within a corner lot shall be a rear yard and one
side yard.
LOT, INTERIOR (FLAG)
A lot which does not adjoin a street but is connected thereto
by an access strip of required minimum width. Minimum lot area and
other dimensional requirements shall be those of the applicable zoning
district, and shall be met on that portion of the lot exclusive of
the access strip. The access strip must be a fee simple portion of
the lot, but may not be counted as part of the minimum lot area required
by applicable zoning provisions.
MARKER
A metal pipe or pin of at least 1/2-inch diameter, and at
least 24 inches in length.
MINIMIZE
To reduce to the smallest amount possible. "Minimize" shall
not mean complete elimination but shall require that the most substantial
efforts possible under the circumstances have been taken to reduce
the adverse effect of the action required to be minimized. With respect
to activities, the conduct of which is adverse to the conservation
of natural features of land, the requirement to "minimize" shall include,
but not be limited to, the requirement that the placement of dwellings
and other structures and the location of roads, sedimentation and
erosion control devices, and earthmoving activities shall be planned
and designed so as to permit the adverse effect of the activity in
question to be reduced to the smallest amount possible under the circumstances,
consistent with the otherwise permitted development.
MOBILE HOME
A transportable, single-family dwelling intended for permanent
occupancy contained in one unit, or in two or more units designed
to be joined into one integral unit capable of again being separated
for repeated towing, which arrives at a site complete and ready for
occupancy except for minor and incidental unpacking and assembly operations,
and constructed so that it may be used without a permanent foundation,
including any addition or accessory structure, such as porches, sheds,
decks, or additional rooms. All mobile homes shall meet construction
standards set by the U.S. Department of Housing and Urban Development.
MOBILE HOME LOT
A parcel of land in a mobile home park, improved with necessary
utility connections and other appurtenances necessary for the erection
thereon of a single mobile home.
MOBILE HOME PAD
That part of a mobile home lot which is being reserved for
the placement of the mobile home.
MOBILE HOME PARK
A parcel or contiguous parcels of land which has been so
designated and improved that it contains two or more mobile home lots
for the placement thereon of mobile homes.
MONUMENT
A tapered, permanent survey reference point of stone or concrete
having a rounded top of four inches on each side, a bottom of six
inches on each side, and a length of 24 inches.
MUNICIPAL ENGINEER
A professional engineer licensed as such in the Commonwealth
of Pennsylvania, duly appointed as the engineer for the municipality,
planning agency or joint planning commission.
MUNICIPALITIES PLANNING CODE
The Pennsylvania Municipalities Planning Code, Act 247 of
1968, as amended and reenacted by Act of 1988, 53 P.S. § 10101
et seq., and any subsequent amendments thereto.
NONSITE TRAFFIC
Vehicle trips passing within the study area as defined in
the traffic impact study that do not enter or exit the site and are
generally the result of through traffic and traffic generated by other
developments.
OPEN CHANNEL
A drainage element in which stormwater flows with an open
surface. Open channels include, but shall not be limited to, natural
and man-made drainage ways, swales, streams, ditches, canals, and
pipes flowing partly full.
OPEN SPACE, COMMON
A parcel or parcels of land or an area of water, or a combination
of land and water, within a development and designed and intended
for the use or enjoyment of residents of the development, not including
streets, off-street parking areas, areas set aside for public facilities,
and private yards.
OUTFALL
Point where water flows from a conduit, stream, or drain.
OUTLET
Point of water disposal from a stream, river, lake, tidewater,
or artificial drain.
OVERFLOW RATE
Detention basin discharge rate divided by the surface area
of the basin. It can be thought of as an average flow rate through
the basin.
PEAK DISCHARGE
The maximum rate of flow of water at a given point and time
resulting from a storm event.
PEAK HOUR
The hour during which the heaviest volume of traffic occurs
on a road.
PEDESTRIAN WAY
A right-of-way, publicly or privately owned, intended for
human movement by walking.
PERFORMANCE GUARANTEE
Any financial security which may be accepted in lieu of certain
improvements being made prior to final plan approval, pursuant to
§ 509 of the Pennsylvania Municipalities Planning Code,
53 P.S. § 10509.
PLAN
(1)
AS BUILTA corrected final plan, showing dimensions and locations of all streets and other improvements.
(2)
CONSERVATIONA plan to accompany preliminary and final plan submissions, including a natural resources inventory, impact assessment, and mitigation and maintenance proposals.
(3)
FINALAn exact and complete site design and layout plan and improvements construction plan prepared by a registered engineer or surveyor, to be recorded upon approval.
(4)
IMPROVEMENTS CONSTRUCTIONA component of the preliminary and final plan, prepared by a registered engineer, showing the construction details of streets, drains, sewers, water supply systems, bridges, culverts, and other improvements as required, including a horizontal plan, profiles, and cross-sections.
(5)
LAND DEVELOPMENTA sketch, preliminary, or final plan, including written and graphic material, showing the provision for development of a subject tract when a subdivision plan would not be applicable.
(6)
PRELIMINARYA site design and, layout plan and improvements construction plan prepared by a registered engineer, in less detail than a final plan and prepared for consideration prior to submission of a final plan.
(7)
RECORDEDA final plan, with accompanying documents as required by this chapter, which has been recorded by the applicant in the office of the Recorder of Deeds of Chester County.
(8)
SITE DESIGN AND LAYOUTA component of the preliminary and final plan, prepared by a registered engineer, showing: property lines, existing and proposed streets, lots, buildings, public areas, drainage facilities, easements, and other details pertinent to the proposal.
(9)
SKETCHA plan submitted, at the applicant's option, for review and discussion prior to application for preliminary plan approval including, at minimum, the information suggested for sketch plans by this chapter.
PLAT
The map or plan of a subdivision or land development, whether
preliminary or final.
PUBLIC GROUNDS
Includes:
(1)
Parks, playgrounds, trails, paths, other recreational areas
and other public areas.
(2)
Sites for schools, sewage treatment, refuse disposal and other
publicly owned or operated facilities.
(3)
Publicly owned or operated scenic and historic sites.
PUBLIC HEARING
A formal meeting held pursuant to public notice, intended
to inform and obtain public comment, prior to taking action in contested
cases or prior to amending this chapter.
PUBLIC MEETING
A forum held pursuant to notice under the Act of July 3,
1986, P.L. 338, No 84, known as the "Sunshine Act."
PUBLIC NOTICE
Notice published once each week for two successive weeks
in a newspaper of general circulation in the municipality. Such notice
shall state the time and place of the hearing and the particular nature
of the matter to be considered at the hearing. The first publication
shall not be more than 30 days and the second publication shall not
be less than seven days from the date of the hearing.
RECREATIONAL VEHICLE
A vehicle which is: (1) built on a single chassis; (2) not
more than 400 square feet, measured at the largest horizontal projections;
(3) designed to be self-propelled or permanently towable by a light-duty
truck; (4) not designed for use as a permanent dwelling but as temporary
living quarters for recreational, camping, travel, or seasonal use.
RECREATIONAL VEHICLE PARK
A parcel of land under single ownership, which has been planned
and improved for the placement of two or more recreational vehicles.
RENEWABLE ENERGY SOURCE
Any method, process or substance whose supply is rejuvenated
through natural processes and, subject to those natural processes,
remains relatively constant including, but not limited to, biomass
conversion, geothermal energy, solar and wind energy and hydroelectric
energy and excluding those sources of energy used in the fission and
fusion processes.
RETENTION BASIN
A reservoir designed to retain stormwater runoff with its
primary release of water being through the infiltration of said water
into the ground.
RETURN PERIOD
The average interval in years over which an event of a given
magnitude can be expected to recur. For example, the twenty-five-year
return period rainfall or runoff event would be expected to recur
on the average once every 25 years.
REVERSE FRONTAGE LOT
A lot with front and rear street frontage, where vehicular
access is prohibited to and from the higher intensity street.
RIGHT-OF-WAY
The total width of any land reserved or dedicated as a street,
alley, pedestrian way, or for other public or private use.
RISER
A vertical pipe extending from the bottom of a pond that
is used to control the discharge rate from the pond for a specified
design storm.
ROOFTOP DETENTION
Temporary ponding and gradual release of stormwater falling
directly onto flat roof surfaces by incorporating controlled-flow
roof drains into building designs.
RUNOFF
The part of precipitation which flows over the land.
SCS
Soil conservation Service, U.S. Department of Agriculture.
SEDIMENT
Soils or other surficial materials transported by surface
water as a product of erosion.
SEDIMENT BASIN
A temporary structure, barrier, dam, retention or detention
basin designed to retain sediment, designed and constructed in accordance
with 25 Pa. Code, Chapter 102.
SEDIMENT POLLUTION
The placement, discharge or any other introduction of sediment
into the waters of the commonwealth occurring from the failure to
design, construct, implement or maintain control measures and control
facilities in accordance with the requirements of this chapter.
SEDIMENT TRAP
A temporary sediment control device formed by excavation
and/or embankments or haybales to intercept sediment laden runoff
and retain the sediment.
SEDIMENTATION
The process by which solid material, both mineral and organic,
is accumulated; transported, or deposited by moving wind, water or
gravity. Once this matter is deposited (or remains suspended in water),
it is usually referred to as "sediment."
SEEPAGE AREAS
Grass-covered areas that infiltrate stormwater runoff and
allow particulate contaminants to settle.
(1)
INDIVIDUAL SYSTEMThe disposal of sewage by use of cesspools, septic tanks, or other safe and healthful means, approved by the Chester County Health Department, and generally within the confines of the lot on which the use is located.
(2)
COMMUNITY SYSTEMA sanitary sewage system, privately built and operated, in which sewage is carried from individual dischargers by a system of pipes to one or more common treatment and disposal facilities. Treatment and disposal may occur either on-site or off-site, and shall be approved by the Pennsylvania Department of Environmental Protection.
(3)
PUBLIC SYSTEMAny system designed and operated by the Township or Municipal Authority for the treatment and disposal of sewage in which sewage is conveyed by a system of pipes to an off-site, publicly-operated treatment facility and disposed of through means approved by the Pennsylvania Department of Environmental Protection.
SHEETFLOW
Runoff which flows over the ground surfaces as a thin, even
layer, not concentrated in a channel.
SOIL GROUP, HYDROLOGIC
A classification of soils by the Soil Conservation Service
into four runoff potential groups. The groups range from A soils,
which are very permeable and produce little runoff, to D soils which
are not very permeable and produce much more runoff.
SOIL-COVER COMPLEX METHOD
A method of runoff computation developed by SCS, and found
in its publication Urban Hydrology for Small Watersheds, Technical
Release No. 55, SCS, June 1986, or latest edition.
SPILLWAY
A depression in the embankment of a pond or basin which is
used to pass peak discharge greater than the maximum design storm
controlled by the pond.
STORM FREQUENCY
The number of times that a given storm "event" occurs or
is exceeded on the average in a stated period of years. See "return
period."
STORM SEWER
A system of pipes or other conduits which carries intercepted
surface runoff, street water and other wash waters or drainage, but
excludes domestic sewage and industrial wastes.
STORMWATER MANAGEMENT CONTROLS
All structural and nonstructural appurtenances utilized to
manage or control stormwater runoff including, but not limited to,
detention facilities, swales, diversion channels, streams, culverts,
bridges, infiltration facilities, cisterns and sediment basins.
STORMWATER MANAGEMENT SITE PLAN
The plan prepared by the developer or his representative
indicating how stormwater runoff will be managed at the particular
site of interest to this chapter.
STORMWATER RUNOFF
That part of precipitation which flows over the land (surface
runoff) excluding that portion which infiltrates or is evapotranspired.
STREET
A right-of-way intended for general public use to provide
means of approach for vehicles and pedestrians. The word "street"
includes the words "road," "highway," "thoroughfare," and "way."
(1)
ARTERIALA street serving a large volume of comparatively high-speed and long-distance traffic and providing a high degree of mobility, including all facilities classified as main and secondary highways by the Pennsylvania Department of Transportation.
(2)
COLLECTORA street designed and located to provide means to drain traffic off local streets and to provide access for through traffic between residential neighborhoods and districts within the Township to major streets and/or a street used for access to nonresidential properties, i.e., commercial, industrial, professional, etc.
(a)
MAJORA collector serving moderate levels of traffic, providing a mix of access and mobility, and linking neighborhoods.
(b)
MINORA collector serving lower amounts of traffic, providing relatively more access than mobility, and serving as a major road through identifiable neighborhoods.
(c)
CUL-DE-SAC STREETA local street intersecting another street at one end, and terminating at the other end by a permanent vehicular turnaround.
(d)
LOCAL STREETA street intended to serve and provide access to the properties abutting thereon and not connecting with other streets in such a manner as to encourage through traffic.
(e)
PRIVATE STREETA local street, serving only abutting lots, that is not offered or required to be offered for dedication.
(f)
SERVICE STREET (ALLEY)A minor right-of-way, on which no principal use fronts, providing secondary vehicular access to the side or rear of two or more properties.
(g)
SINGLE-ACCESS STREETA local street including, but not limited to, a cul-de-sac or loop design, which has only one point of intersection with an existing street or with a proposed street having more than one access point.
STREET LINE
The dividing line between a lot and the outside boundary
or right-of-way line of a public street, road, or highway legally
open or officially platted, or between a lot and a privately owned
street, road, or way over which the owners or tenants or two or more
lots, each held in single and separate ownership, have the right-of-way.
STRUCTURE
Any man-made object having an ascertainable stationary location
on or in land or water, whether or not affixed to the land.
SUBDIVISION
The division or redivision of a lot, tract, or parcel of
land by any means into two or more lots, tracts, parcels, or other
divisions of land, including changes in existing lot lines for the
purpose, whether immediate or future, of lease, partition by the court
for distribution to heirs or devises, transfer of ownership, or building,
or lot development; provided, however, that the following shall not
be considered subdivisions with the meaning of this chapter:
(1)
The subdivision by lease of land for agricultural purposes into
parcels of more than 10 acres, not involving any new street or easements
of access or any residential dwelling.
SUBSTANTIALLY COMPLETED
Where, in the judgment of the commission or municipality
holding escrow, at least 90% (based on the cost of the required improvements
for which financial security was posted) of those improvements required
as a condition for final approval have been completed in accordance
with the approved plan, so that the project will be able to be used,
occupied or operated for its intended use.
SURFACE DRAINAGE PLAN
A plan showing all present and proposed grades and facilities
for stormwater drains.
SURVEYOR
An individual registered with the Commonwealth of Pennsylvania
as authorized to measure the boundaries of tracts of land, establish
locations, and perform the requirements of a survey.
SWALE
A low lying stretch of land which gathers or carries water
runoff.
TERRACE
An embankment or combination of an embankment and channel
across a slope to control erosion by diverting or storing runoff instead
of permitting it to flow uninterrupted down the slope.
TIME OF CONCENTRATION (TC)
The time for surface runoff to travel from the hydraulically
most distant point of the watershed to a point of interest within
the watershed. This time is the combined total of overland flow time
and flow time in pipes or channels, if any.
TOPSOIL
Natural and friable loam containing sufficient humus and
nutrients to support plant growth.
TOWNSHIP
The Township of East Nottingham.
TOWNSHIP ENGINEER
A professional engineer licensed as such in the Commonwealth
of Pennsylvania, duly appointed as the Engineer for the Township.
WATER SURVEY
An inventory of the source, quantity, yield and use of groundwater
and surface-water resources within a municipality.
WATERCOURSE
A stream of water, river, brook, creek, or a channel or ditch
for water, whether natural or man-made. See "channel."
WATERS OF THE COMMONWEALTH
Any and all rivers, streams, creeks, rivulets, ditches, watercourses,
storm sewers, lakes, dammed water, wetland, ponds, springs, and all
other bodies or channels of conveyance of surface and underground
water, or parts thereof, whether natural or artificial, within or
on the boundaries of this commonwealth.
WATERSHED
The entire region or area drained by a river or other body
of water, whether natural or artificial.
WET POND
A pond containing a permanent pool of water designed to store
stormwater runoff for a given storm event and release it at a predetermined
rate.
WETLANDS
Those areas inundated or saturated by surface or ground water
at a frequency and duration sufficient to support, and under normal
circumstances do support, prevalence of vegetation typically adapted
for life in saturated soil condition.
WOODLAND
Generally, a land area characterized by a more or less dense
and extensive tree cover. More particularly, a plant community predominantly
of healthy trees and other woody vegetation, well-stocked and growing
more or less closely together.
YARD
An open, unoccupied space on the same lot with a building
or other structure or use, unobstructed from the ground to the sky.
YARD, FRONT
A yard extending the full width of the lot along the front
lot line and extending in depth from the front lot line to the nearest
point of any part of a structure (other than a fence) on the lot;
the front yard shall contain no buildings.
YARD, REAR
A yard extending the full width of the lot along the rear
lot line and extending in depth from the rear lot line to the nearest
point of any part of a structure (other than a fence) on a lot.
YARD, SIDE
A yard extending the full depth of a lot along a side lot
line and extending in width from such side lot line to the nearest
point of any part of a structure (other than a fence) on the lot.