This Ordinance shall be known and may be cited as the “Municipality of Mt. Lebanon Subdivision and Land Development Ordinance.” Chapter 16 of the Mt. Lebanon Code is hereby repealed in its entirety and this Ordinance substituted therefore.
This Chapter is adopted in accordance with the authority granted to municipalities to regulate subdivision and land development by the Pennsylvania Municipalities Planning Code, Act 247 of 1968, as amended (53 P.S. §10101, et seq.). (“MPC”).
The purpose of this Chapter is to regulate all subdivision, re-subdivision, consolidation and land development activities in the Municipality by providing for a uniform method for the submission of preliminary and final plats to ensure: 1) the proper layout or arrangement of land and buildings; 2) the proper design of streets to accommodate projected traffic and facilitate fire protection; 3) the provision of adequate easements or rights-of-way, gutters, storm and sanitary drainage facilities, walkways, stormwater management and other required public facilities; and 4) the proper design of land developments in accordance with the requirements of this Chapter and the Mt. Lebanon Zoning Ordinance.
These Subdivision and Land Development Regulations are made in accordance with the community development objectives set forth in the Mt. Lebanon Zoning Ordinance and the Mt. Lebanon Comprehensive Plan and are intended to achieve the following goals:
103.1. 
To promote, protect and facilitate one or more of the following: the public health, safety and general welfare; coordinated and practical community development; proper density of population; civil defense; disaster evacuation; the provision of recreation, open space and harmonious design; the provision of adequate light and air, police protection, vehicle parking and loading space, transportation, water, sewerage, schools, public grounds and other public requirements; and
103.2. 
To prevent one or more of the following: overcrowding of land; blight; danger and congestion in travel and transportation; and loss of health, life or property from fire, panic or other dangers.
104.1. 
Interpretation. All words used in this Chapter shall carry their customary definitions as provided in the most recent edition of Webster’s Collegiate Dictionary, except where specifically defined herein.
The word “person” includes a corporation, association, partnership or individual.
The words “shall” and “will” are mandatory; the word “may” is permissive.
Words used in the present tense include the future tense.
Words in the masculine gender shall include the feminine gender.
The singular number shall include the plural, and the plural shall include the singular.
104.2. 
Definitions. As used in this Chapter, the following terms shall have the meanings indicated:
ACCESSORY BUILDING:
A subordinate building, the use of which is customarily incidental to that of the main building and is used for an accessory use, and is located on the same lot.
ACCESSORY USE:
A use customarily incidental and subordinate to the principal use and located on the same lot with the principal use.
ADMINISTRATOR:
The Zoning Officer of Mt. Lebanon.
AMENITIES BOND:
Surety, in a form acceptable to the Municipality that includes cash, a certified check, a letter of credit or a corporate performance bond from a Pennsylvania licensed surety company which guarantees the satisfactory completion of those private improvements in a subdivision or land development plan which are required by this Chapter or are voluntarily proposed by the developer.
APPLICANT:
A landowner or developer who has filed an application for a subdivision or land development, including his heirs, successors and assigns.
APPLICATION FOR DEVELOPMENT:
Any application, whether preliminary or final, required to be filed and approved prior to the start of construction or development, including, but not limited to, an application for the approval of a subdivision or land development.
ARCHITECT:
A registered professional architect licensed as such by the Commonwealth of Pennsylvania.
ARTERIAL STREET:
See Street, Arterial.
BASE FLOOD:
The flood that has a 1% probability of being equaled or exceeded in any given year (also referred to as the 100-year flood).
BUFFER AREA:
A strip of land which is planted and maintained in shrubs, bushes, trees, grass, or other ground cover material and within which no structure or building shall be authorized except a wall or fence which meets municipal requirements.
BUILDING:
Any structure having enclosing walls and a roof and intended for the shelter, housing or enclosure of any individual, animal, process, equipment, goods or material of any kind or nature.
BUILDING LINE:
See Front Building Line.
CARTWAY:
That portion of the street right-of-way that is surfaced for vehicular use, excluding shoulders and curbs. Please refer to Diagram 1 in Appendix II.
CHAPTER:
All references to “this Chapter” refer to the Municipality of Mt. Lebanon Subdivision and Land Development Ordinance.
CLEAR SIGHT TRIANGLE:
An area of unobstructed vision at street intersections, defined by lines of sight between points at a given distance from the intersections of center lines of streets. Please refer to Diagram 17 in Appendix II.
CODE OR THE MT. LEBANON CODE:
The codified ordinances of the Municipality.
COLLECTOR STREET:
See Street, Collector.
COMMISSION:
The Commission of the Municipality of Mt. Lebanon, Allegheny County, Pennsylvania.
CONSOLIDATION:
The combination of two or more lots, tracts or parcels of land into one lot, tract or parcel for the purpose of sale, lease or development of a building or lot.
CONSTRUCTION STANDARDS:
See Municipal Construction Standards.
COUNTY:
Allegheny County, Pennsylvania.
COUNTY PLANNING AGENCY:
Allegheny County Department of Economic Development, or its successor department or agency.
CROSSWALK:
A publicly or privately-owned right-of-way for pedestrian use extending from one curb to the opposite curb across a public or private street cartway.
CUL-DE-SAC:
A street having one end open to traffic and being permanently terminated by a vehicle turnaround, including a court or dead-end street.
CUT:
An excavation; the difference in vertical elevation between a point on the surface of the original ground and a point of lower elevation on the finished grade; material removed in excavation.
DEVELOPER:
Any landowner, agent of such landowner or tenant with the permission of such landowner, who proposes, makes, or causes to be made, a subdivision of land or a land development.
DEVELOPMENT AGREEMENT:
A written agreement between the Developer and the Municipality setting forth the Developer’s obligations pursuant to applicable Municipal ordinances.
DOUBLE FRONTAGE LOT:
A lot having two or more of its non-adjoining property lines abutting a street or streets, usually having front and rear street frontage.
DRIVEWAY:
An impervious surface for vehicular access to a building, garage, parking facility or other vehicular facility, lot or parcel of land.
DRIVEWAY, PRIVATE:
A vehicular access route serving only one parcel or lot which provides access to a public street, but which does not provide access to any other lot or parcel under separate ownership. (See also - Street, Private)
DWELLING:
Any building or portion thereof which is designed for and/or occupied in whole or in part as a home or residence for one or more persons; it shall not be deemed to include hotels, boarding or rooming houses, institutional homes or residence clubs.
DWELLING, ONE FAMILY:
A detached building occupied by one family only.
DWELLING, TWO FAMILY:
A detached building occupied by two families only, independently of each other, including:
(1) 
DOUBLE HOUSE:
A detached building containing two dwelling units attached side to side, with separate entrances and separated by an unpierced party wall.
(2) 
DUPLEX:
A detached building containing two dwelling units, one above the other, each having a separate entrance.
DWELLING, MULTI-FAMILY:
A building containing three or more separate dwelling units.
DWELLING, TOWNHOUSE:
A one family dwelling unit that is part of a townhouse unit and has a separate entrance and a minimum width of 20 feet center to center of party walls.
DWELLING UNIT:
One or more rooms arranged for the use of one family living together as a single housekeeping unit with cooking, living, sanitary and sleeping facilities.
EASEMENT:
A public or private right of use over the property of another.
ENGINEER:
A registered professional engineer licensed as such by the Commonwealth of Pennsylvania. The use of the word “engineer” shall not exclude the practice of topographic surveying as provided for by the laws of the Commonwealth.
ESCROW DEPOSIT:
A cash deposit or an irrevocable letter of credit, in a form provided by the Municipality or otherwise approved by the Municipal Solicitor, payable to the Municipality from a commercial bank organized under the Pennsylvania Banking Code of 1965 or the National Banking Act, having its principal place of business in the Commonwealth of Pennsylvania and having unimpaired capital and surplus of at least 100 times the face amount the letter of credit.
FAMILY:
A group of individuals not necessarily related by blood, marriage, adoption or guardianship living together in a Dwelling Unit as a single housekeeping unit under a common housekeeping management plan based on an intentionally structured relationship providing organization and stability. The occupants must share the entire Dwelling Unit and live and cook together as a single housekeeping unit. A unit in which the various occupants act as separate roomers may not be deemed to be occupied by the functional equivalent of a traditional family:
(1) 
The group shares expenses for food, rent or ownership costs, utilities and other household expenses;
(2) 
The group is permanent and stable. Evidence of such permanency and stability may include:
(a) 
The presence of minor dependent children regularly residing in the household who are enrolled in a local School;
(b) 
Members of the household having the same address for the purposes of voter registration, driver’s license, Motor Vehicle registration and filing of taxes;
(c) 
Members of the household are employed in the area;
(d) 
The household has been living together as a unit for a year or more whether in the current Dwelling Unit or other Dwelling Units;
(e) 
Common ownership of the furniture and appliances among the members of the household; and
(f) 
The group is not transient or temporary in nature;
(3) 
Any other factor reasonably related to whether or not the group is the functional equivalent of a Family.
(4) 
A fraternity or sorority will not be considered the functional equivalent of a Family.
FEDERAL:
Of, or referring to, the United States of America.
FEE:
The required charge, which shall be payable to the Municipality, established from time to time by resolution of the Commission collected to defray the costs of processing an application, reviewing an application or inspecting the installation of improvements.
FEMA:
Federal Emergency Management Agency.
FILL:
Any act by which earth, sand, gravel, rock or any other material is placed, 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; the difference in elevation between a point on the original ground and a designated point of higher elevation on the finished grade; the material used to make a fill.
FINAL APPLICATION:
The written and graphic materials specified by this Chapter to be submitted to the Municipality in order to obtain final approval of a proposed subdivision or land development plan.
FINAL PLAT:
The map or plan of a proposed subdivision or land development containing all the information required by this Chapter and the Allegheny County Subdivision Regulations for final plat approval and in a form acceptable for recording in the Office of the Allegheny County Recorder of Deeds and the Commission of Mt. Lebanon.
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 INSURANCE RATE MAP (FIRM):
A map of the municipality on which FEMA has delineated both the special flood hazard areas and the flood risk premium zones applicable to the Municipality.
FLOODPLAIN:
The lands adjoining a river or stream that have been, or may be expected to be, inundated by floodwaters in a 100-year frequency flood.
FLOOD PRONE AREA:
Any land area susceptible to being inundated by floodwater from any source.
FLOODWAY:
The channel of a watercourse and portions of the adjoining floodplains which are reasonably required to carry and discharge the 100-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 100-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.
FRONT BUILDING LINE:
A line parallel to the front lot line, at a distance measured perpendicular therefrom as prescribed in the Zoning Ordinance for a required yard. Where there is no required yard then the lot line shall be the front building line. See Diagram 1 in Appendix II.
GRADE, NEW OR FINISHED:
The resulting level of the ground after final grading where there is a cut, and after normal settlement where there is a fill.
INSPECTOR:
The Municipal Engineer or his/her authorized representative assigned by the Commission to make any or all necessary inspections of the work performed and materials furnished by the developer or the contractors selected to install the improvements required by this Chapter.
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 non-residential buildings, whether proposed initially or cumulatively; a single non-residential 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;
(2) 
A subdivision of land.
LAND DEVELOPMENT PLAN:
A plan which encompasses a proposed land development, which, in addition to a plat of a subdivision, if required, includes: all covenants relating to the use of the land; the proposed use, location and bulk of buildings and other structures; the intensity of use or density of development; streets, ways and parking facilities; common open space and public facilities, if any. The land development plan shall include all of the written and graphic information required by this Chapter.
LANDOWNER:
The legal or beneficial owner or owners of land, including 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 or she is authorized under the lease to exercise the rights of the landowner; or other persons having a proprietary interest in the land.
LOT:
A designated parcel, tract or area of land established by a plat or otherwise as permitted by law and to be used, developed or built upon as a unit. No part of a lot which is also part of a public street, or way/alley/lane, shall be included in determining the area of that lot. A lot shall front on a public street dedicated for public use and improved to municipal standards.
LOT AREA:
That area measured on a horizontal plane bounded by the front, side and rear lot lines, excluding any portion of the lot within a street right-of-way.
LOT AREA PER DWELLING UNIT:
The quotient obtained by dividing the total lot area by the total number of dwelling units to be located on such lot calculated to the nearest whole number.
LOT, BUILDABLE AREA OF:
The portion of a lot bounded by required yards as set forth in Diagram 1 of Appendix II.
LOT, CORNER:
A lot abutting upon two or more adjacent streets; or a lot with two or more connected sides which abut upon a street or streets.
LOT DEPTH:
The horizontal distance between the front lot line and the rear lot line measured along the median between said lines.
LOT, DOUBLE FRONTAGE:
See Double Frontage Lot.
LOT FRONTAGE:
The portion of the lot which abuts the street measured along the front lot line.
LOT LINE, FRONT:
The lot line abutting the street; in case of lots abutting more than one street in R-1, R-2 and R-3 Districts only, a choice of either street is optional with the owner. Before a lot can be considered to abut a street, it must have at least 15 feet of frontage on said street as set forth in Diagram 1 of Appendix II.
LOT LINE, REAR:
A lot line which is opposite and most distant from the front lot line or, a line at least 20 feet in length within the lot, parallel to and at a maximum distance from the front lot line. See Diagram 1 of Appendix II.
LOT LINE, SIDE:
Any lot boundary line which is not a front lot line or a rear lot line. See Diagram 1 of Appendix II.
LOT WIDTH:
The horizontal distance between side lot lines as set forth in Diagrams 1 and 2 of Appendix II.
MAJOR SUBDIVISION:
Any subdivision not classified as a minor subdivision.
MEDIATION:
A voluntary negotiating process in which parties in a dispute mutually select a neutral mediator to assist them in jointly exploring and settling their differences, culminating in a written agreement which the parties themselves create and consider acceptable.
MINOR SUBDIVISION:
A subdivision containing not more than three lots, proposed either for the construction of one family dwellings or two family dwellings or for the transfer of property between lots which contain existing one family dwellings or two family dwellings, all of which have frontage on an improved public street, and which subdivision does not involve the construction or improvement of any public street, sewer line or water line and which does not adversely affect the future development of the remainder of the parcel or any adjoining property.
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.
MOBILE HOME LOT:
A parcel of land in a mobile home park, improved with the necessary utility connections and other appurtenances necessary for the erection thereon of a single-family mobile home.
MOBILE HOME PARK:
A parcel or contiguous parcels of land which have been so designated and improved that they contain two or more mobile homes and/or mobile home lots for the placement thereon of mobile homes.
MUNICIPAL/MUNICIPALITY:
Of or referring to Mt. Lebanon, PA.
MUNICIPAL CONSTRUCTION STANDARDS:
A document entitled Municipality of Mt. Lebanon Construction Standards (Private Improvements) prepared by the municipal engineer, adopted and amended from time to time by resolution of the Commission upon recommendation of the municipal engineer, copies of which are on file in the office of the municipal manager.
MUNICIPAL ENGINEER:
A registered professional engineer licensed as such in the Commonwealth of Pennsylvania, with training and experience in civil engineering, duly appointed by the Commission to serve as the engineer for the Municipality.
MUNICIPAL MANAGER:
The individual appointed by the Commission to serve as chief administrative officer of the Municipality.
MUNICIPAL SOLICITOR:
The attorney appointed by the Commission to serve as legal counsel for the Municipality.
MUNICIPAL PLANNER:
The designated official appointed by the municipal manager whose duty it shall be to administer this Chapter.
PARCEL:
A tract of land which is recorded in a plan of subdivision or any other tract of land described in a deed or legal instrument pursuant to the laws of the Commonwealth which is intended to be used as a unit for development or transfer of ownership.
PENNSYLVANIA MUNICIPALITIES PLANNING CODE:
Act 247 of 1968, as reenacted and amended by Act 170 of 1988, 53 P.S §10101 et seq. (MPC).
PETITION FOR CONSTRUCTION OF PUBLIC IMPROVEMENTS:
A written request from a developer to the Commission requesting the Municipality to grade, pave and install curbs on public streets and install storm and sanitary sewers and any other public improvements required in an approved subdivision or land development.
PLANNING BOARD:
Municipality of Mt. Lebanon Planning Board.
PLAT:
A map or plan, either preliminary or final, indicating the subdivision, consolidation or redivision of land or a land development.
PRELIMINARY APPLICATION:
The written and graphic materials specified by this Chapter to be submitted to the Municipality in order to obtain preliminary approval of a proposed subdivision or land development.
PRELIMINARY PLAT:
The map or plan of a proposed subdivision or land development which contains all of the information required by this Chapter for approval of a preliminary plat.
PRINCIPAL BUILDING:
The building or portion thereof having the principal use of the land.
PRINCIPAL USE:
The principal or dominant use of a lot.
PRIVATE DRIVEWAY:
See Driveway, Private.
PRIVATE IMPROVEMENTS:
All roads, streets, walkways, gutters, stormwater management facilities, curbs, sewers, landscaping and other facilities to be owned, maintained or operated by a private entity such as an individual, partnership, corporation or homeowners’ association and constructed in accordance with this Chapter and the Municipal Construction Standards.
PRIVATE STREET:
See Street, Private.
PUBLIC HEARING:
A formal meeting held pursuant to public notice by the Commission or the Planning Board, intended to inform and obtain public comment, prior to taking action in accordance with this Chapter.
PROPERTY:
The land, building, all improvements thereon, and all easements, rights and appurtenances belonging thereto, which are subject to the provisions of this Chapter.
PUBLIC IMPROVEMENTS:
All roads, streets, walkways, gutters, stormwater management facilities, curbs, sewers, landscaping and other facilities to be dedicated to or maintained by the Municipality for which plans, specifications and construction shall comply with this Chapter and the Municipal Construction Standards.
PUBLIC MEETING:
A forum held pursuant to notice under the Act of July 3, 1986 (P.L. 388, 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 public hearing and the particular nature of the matter to be considered at the public hearing. The first publication shall be not more than 30 days and the second notice shall not be fewer than seven days from the date of the public hearing.
RECORDED INSTRUMENT:
A plat, declaration or other instrument duly recorded in the Office of the Recorder of Deeds of Allegheny County in accordance with the provisions of this Chapter.
RECORDER:
The Recorder of Deeds of Allegheny County.
RIGHT-OF-WAY:
An easement for public or private use, usually granting the right to cross over the land of another and/or to install utilities such as sewer or water lines or communication systems.
RIGHT-OF-WAY, STREET:
The total extent of land reserved or dedicated as a street, for public or private purposes. See Diagram 1 of Appendix II.
SITE:
One or more lots, tracts or parcels which are under single ownership and control and are proposed as a unit for development purposes.
SLOPE:
The percent of rise or descent of the land surface calculated by dividing the number of feet of vertical rise/descent in elevation by the number of feet of horizontal distance, expressed as a percentage. Slope shall be calculated between contour intervals used to prepare the existing site topographic plan but in no case shall the vertical interval exceed four feet. The percent of slope is determined from on-site topographic surveys prepared with a two-foot contour interval or topography taken from controlled aerial photography at two-foot intervals. The slope of the land shall be shown on a plan of the property based on the following six categories:
(1) 
Gentle slopes: 0% – 14%.
(2) 
Minimally steep slopes: 15% - 19%.
(3) 
Somewhat steep slopes: 20% - 25%.
(4) 
Moderately steep slopes: 26% - 30%.
(5) 
Significantly steep slopes: 31% - 40%.
(6) 
Exceedingly steep slopes: Greater than 40%.
SPECIAL FLOOD HAZARD AREA (SFHA):
The land area covered by the floodwaters of the base flood is the Special Flood Hazard Area (SFHA) on NFIP maps. The SFHA is the area where the National Flood Insurance Program’s (NFIP’s) floodplain management regulations must be enforced and the area where the mandatory purchase of flood insurance applies. The SFHA includes Zones A, AO, AH, A1-30, AE, A99, AR, AR/A1-30, AR/AE, AR/AO, AR/AH, AR/A, VO, V1-30, VE, and V.
STATE:
The Commonwealth of Pennsylvania.
STREET:
Includes street, avenue, boulevard, road, highway, freeway, parkway, lane, alley, viaduct and any other ways or strips of land used or intended to be used by vehicular traffic or pedestrians whether public or private and including the entire street right-of-way.
STREET, ARTERIAL:
A public street intended for high volume traffic use. Arterial streets carry both regional through traffic and local traffic and collects/distributes traffic primarily from other arterial and collector streets. Arterial streets typically carry Average Weekday Daily Traffic (AWDT) volumes of greater than 8,000 vehicles per day.
STREET, COLLECTOR:
A public street designed to provide access from local streets, as well as abutting lots, for distribution of traffic to arterial streets and other collector streets. Collector streets are intended to provide access for lower speed traffic and lower traffic volumes and typically carry AWDT volumes in the range of 3,000 to 7,999 vehicles per day.
STREET, LOCAL:
A public street designed to provide low speed traffic access to abutting lots, with connections to collector streets and other local streets. Through traffic is discouraged. AWDT volumes are typically less than 3,000 vehicles per day.
STREET, PRIVATE:
A street, including the entire private right-of-way, which is privately owned and maintained. A private street provides access to several lots or parcels which do not have access to a public street and which require access to a public street through the private street. (See also Driveway, Private.)
STREET, PUBLIC:
A street including the entire public right-of-way, which has been dedicated to and accepted by the Municipality, the County or the Commonwealth for public use.
STREET, SERVICE:
A short street or alley, whether public or private, designed only to provide secondary access to a structure or group of structures or to parking and loading facilities accessory to the structures and which is not intended for general traffic circulation.
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 devisees, transfer of ownership or building or lot development; provided, however, that the subdivision by lease of land for agricultural purposes into parcels of more than 10 acres, not involving any new street or easement of access or any residential dwelling, shall be exempted.
SUBDIVISION, MAJOR:
See Major Subdivision.
SUBDIVISION, MINOR:
See Minor Subdivision.
SURVEYOR:
A registered professional land surveyor licensed as such by the Commonwealth of Pennsylvania.
SWALE:
A low-lying stretch of land which gathers, or carries, surface water runoff.
WATERCOURSE:
A permanent stream, intermittent stream, river, brook, creek, channel or ditch which carries water, whether natural or man-made.
ZONING ORDINANCE:
Chapter 20 of the Codified Ordinances of the Municipality of Mt. Lebanon, also known as Chapter 20, Mt. Lebanon Code, Ordinance 2636 as amended.