Any application for development shall conform to the standards
set forth in this article. The standards specified in this article
are minimum design requirements.
In reviewing any application for development, the Planning Commission and the Board of Commissioners shall refer the application for development to the Township Engineer for a recommendation concerning technical compliance with these design standards and Chapter
245 of the Code of the Township.
Service streets, as defined by this chapter, shall not be permitted
in residential developments but may be provided in commercial and
industrial developments where needed for loading, unloading or secondary
access. Service streets shall meet the minimum requirements of the
Township Public Improvements Code and the requirements of Appendix
I (at the end of this chapter) for local streets.
Any private street approved to be constructed under the terms of this chapter shall be constructed in accordance with all standards and specifications of this chapter for construction of public streets unless a modification to those standards and specifications is granted in accordance with the provisions of Article
IX of this chapter.
Easements for sanitary sewers, waterlines and access to stormwater
management facilities dedicated to the Township shall be required
to have a minimum width of 20 feet. Where a subdivision is or will
be traversed by a watercourse, there shall be provided a stormwater
easement or drainage right-of-way of a width sufficient for the purpose
but not less than 20 feet.
The following standards shall apply to all lots proposed to
be subdivided or developed in accordance with this chapter:
A. Area. Minimum lot areas shall conform to the requirements of the
Township Zoning Ordinance.
B. Frontage. All lots created by a subdivision shall have frontage along
the right-of-way of a public street, and the width of the frontage
shall be a minimum of 50 feet at the street right-of-way unless more
is required by the Township Zoning Ordinance.
C. Double frontage. Double-frontage lots, other than corner lots, shall
be avoided; however, where a double-frontage lot is the only practical
alternative, vehicular access shall be limited to only one street
and that street shall be the street with the lower volume of traffic,
if physically feasible. The final plan shall contain a notation restricting
vehicular access to one frontage.
D. Side lines. Whenever practicable, the side lines of a lot shall be
at right angles or radial to the right-of-way lines of streets.
E. Building lines. Building lines of lots shall conform to the minimum
requirements of the Township Zoning Ordinance and shall be shown on
the final plat.
F. Grading. Lots shall be graded to provide drainage away from buildings
and, where practical, water shall be drained to the street rather
than to adjoining property. The developer shall be required to provide
drains or other drainage facilities, as approved by the Township Engineer,
to drain off surface water within the development.
G. Driveways.
(1) Driveways serving single-family and two-family dwellings are not
required to be paved; however, in lieu of paving, the driveway shall
have a covering of slag at least two inches thick for a distance of
30 feet from the right-of-way of the street. All other driveways shall
be paved in accordance with the Township Public Improvements Code
and/or the Pennsylvania Department of Transportation Design Manual,
Part 2, Chapter 7, Driveways.
(2) No driveway shall have a slope of more than 15%. Driveways may extend
from the right-of-way line of the street to the cartway of the street
but shall not change the grade or contour of the street right-of-way,
nor shall any person cut into, fill or in any way alter any gutter,
curbing, drainage ditch or storm sewer within the right-of-way of
a street or easement for the purpose of extending a driveway or for
any other purpose without first obtaining a permit therefor from the
Township Building Inspector.
H. Accessibility. Every lot shall be accessible to emergency and public
safety vehicles.
I. House numbers. House numbers shall be assigned by the Township Building
Inspector and must be posted at each house so as to be easily visible
and readable from the street.
Stormwater management facilities shall be provided for all subdivisions
and land developments as required by existing ordinances of the Township
of Robinson. The standards for calculating stormwater management facility
requirements shall be as established by the Township of Robinson or
by Allegheny County for those watersheds for which the County has
prepared stormwater management plans. For those watersheds for which
the County has not prepared a study, calculations shall be based on
the twenty-five-year storm.
Public water shall be supplied to each lot from the Municipal
Authority of the Township of Robinson (MATR) or from a community service
system which has been approved by the Pennsylvania Department of Environmental
Protection (DEP). Waterlines shall be a minimum six inches in diameter
and shall be constructed of materials which meet the Municipal Authority
of the Township of Robinson (MATR) standards.
Fire hydrants shall be installed in accordance with NFPA standards
and shall be spaced a maximum of 1,000 feet apart. Hydrants and couplings
shall be approved by the Township Deputy Fire Marshal. The middle
of the steamer connection shall be a minimum of 18 inches from the
adjacent ground level.
All construction materials used in sewers, streets, sidewalks
and other required improvements shall be tested by a qualified testing
laboratory, if required by the Township Engineer. The cost for such
tests shall be borne by the developer.