All of the required improvements specified in this article shall be
constructed in accordance with borough standards for construction and all
other applicable borough, Allegheny County, and state regulations.
Permanent concrete monuments shall be set at the intersection of all
lines forming angles in the boundary of the subdivision. Iron or steel markers
shall be set at the beginning and ending of all curves along street property
lines, at all points where lot lines intersect curves, either front or rear,
at all angles in property lines of lots and at all other lot corners.
Streets shall be graded to the grades and dimensions shown on plans
and profiles approved by Council and shall include the following improvements:
A. Suitable drainage structures, culverts, storm sewers,
ditches and related installations shall be provided to ensure adequate drainage
of all points along the streets.
B. Street and underground construction shall comply with
Municipal Standard Specifications, which by reference is made a part hereof and is incorporated herein
by reference.
C. Streets shall be constructed on a prepared subgrade conforming
to Section 210 of the publication of the Commonwealth of Pennsylvania, Department
of Highways, Form 408 Specifications (latest editions).
D. Paving shall be required on all streets.
The construction of a storm drainage system shall conform to the following
requirements;
A. Stormwater retention facilities shall be provided in
accordance with standards established by the borough.
B. Drainage ditches or channels shall have a minimum gradient
of 1%.
C. Open watercourses shall have adequate capacity and erosion
control to ensure safe and healthful disposal of stormwater.
D. When topsoil has been removed from the surface of a lot
on a slope where erosion will cause a displacement of loose material, the
subdivider shall be required to seed or provide other means to prevent the
wash from damaging adjacent property or accumulating on street surfaces.
The developer shall construct where feasible a system of water mains
with a connection for each lot utilizing public water supply.
The developer shall provide where feasible the subdivision with a complete
sanitary sewer system to be connected to the borough sanitary system.
Every lot in a subdivision shall be capable of being served by utilities,
and the necessary easements shall be provided. Electric, gas and other utility
distribution lines shall be installed within public rights-of-way or within
properly designated easements. To the fullest extent possible, underground
utility lines located in street rights-of-way shall not be installed beneath
existing or proposed paved areas except at intersections and, in any case,
shall be placed in conduit which has been installed prior to the placement
of any paving.
Shade trees of an approved variety and having a caliper not less than
11/2 inches may be required on the developer's side of any existing street
and on both sides of every new street in the subdivision. The number of trees
planted shall not be less than that required by a uniform spacing of the trees
at the rate of one tree per lot, however, additional trees may be required
due to topographical features. Street trees shall not be planted in the municipal
street right-of-way.
Street name signs of a type adopted or approved by Council shall be
installed at each street intersection by the developer on a location specified
by the Borough Engineer.
On a corner lot or any point of entry on a public road, nothing shall
be erected, placed, planted or allowed to grow in such a manner which obscures
vision between the height of 11/2 feet and 10 feet above ground level as measured
from the center-line grades of the intersecting streets and within the area
bounded by the street lines of such corner lots and a line joining points
on these street lines of such corner lots 25 feet from their intersection
along the lot lines.
When the plans of streets and other improvements have been approved
as provided in this chapter, the subdivider shall first notify the engineer
of his intention to proceed with the construction or installation of said
streets and improvements; notification shall be made at least 10 working days
before any such construction or installation shall commence so as to give
the Engineer an opportunity to inspect the site prior to commencement of work
and to inspect installation or construction of said streets and improvements
during the course of work being performed. In order to defray a part of the
costs incurred by the borough in inspecting the installation of the improvements
required by this chapter, the developer shall, before he proceeds with any
construction or installation, present a certified check or money order made
payable to Council in an amount equal to 3% of the engineer's estimate
of the cost of the improvements.
Prior to any street or other improvement being accepted by the borough
as hereinafter provided, the developer shall post a maintenance bond and/or
other security, naming the same borough as obligee in an amount set by the
Borough Engineer and in terms acceptable to the municipal Solicitor, to ensure
maintenance of said improvements for a period of not fewer than 18 months
from the date of acceptance by the borough.
A. After streets and improvements have been installed and
constructed pursuant to the requirements contained in this chapter, and in
the event that the developer desires to have the borough accept said streets
or improvements, the developer shall notify the Borough Engineer that the
construction or installation has been completed and shall supply the Borough
with one reproducible copy of the as-built plan on which the street or improvement
in question has been constructed or installed. The reproducible copy shall
show thereon the signatures of all agencies and individuals who have approved
the plan and contain a notice thereon as to where and when the plan was recorded
in the Office of the Recorder of Deeds of Allegheny County.
B. The portion of street or improvement which the developer
desires to have the borough accept shall be identified on the copy of the
plan which plan shall also clearly designate the number of linear feet of
said street or improvement which the subdivider desires to be accepted by
the borough.
No subdivision, land development or planned development shall be finally
approved unless all public improvements required by borough law have been
installed in strict accordance with such law, or unless a guarantee that the
improvements will subsequently be installed by the developer, in the form
of a bond, a letter of credit or deposit of funds or securities in, escrow
which are acceptable to Council and are in an amount sufficient to cover the
cost of the improvements which may be required, plus 10%. Such bond or other
security shall provide for, and secure to the public, the completion of all
declared improvements within a period of one year from the date of final approval
of the plan. Such guarantee of improvements shall comply with Section 509
of the Pennsylvania Municipalities Planning Code.