[Amended 2-12-1992 by L.L. No. 5-1992; 3-8-1995 by L.L. No.
3-1995]
A.
Required construction specifications.
(1)
Clearing and grubbing.
(a)
The entire right-of-way shall be cleared of brush and trees,
except those which will be an asset to subdivision landscape.
(b)
All boulders, organic material, soft clay, spongy clay and other
objectional material shall be removed and replaced with suitable material
to the satisfaction of the designated town representative. Where the
designated town representative determines necessary, further measures
may be required to stabilize original ground.
(2)
Subgrade preparation.
(a)
The subgrade shall be suitably stabilized, shaped, rolled and uniformly compacted in accordance with § 88-28A(3) to conform to lines and subgrades and typical cross sections of this specification and the approved final plat profile drawings.
(b)
After the subgrade has been completed, all rutting displacement
or soft spots shall be properly repaired with new material, regraded
and compacted to the satisfaction of the designated town representative.
(c)
When existing materials in the road are to be used for road
base material, that material shall be removed from the surface of
the subgrade so that the subgrade may be properly prepared before
the base is constructed.
(d)
Cuts and fills shall have a maximum slope of one vertical to
two horizontal [one on two], except where specifically waived by the
Planning Board for the purpose of saving trees or some other particular
terrain feature at a given place (see Drawings Nos. 1A, Typical Street
Section, and 1B, Typical Road Section, at the end of this chapter).
(3)
Compaction.
(a)
Compaction for roadways, structures, building slabs and steps,
walkways, pavements and pipe trenches shall be carried out as follows:
Compact each layer of backfill or fill material to a minimum of 95%
of the maximum dry density as obtained through the Standard Proctor
Compaction method, ASTM D-1557. Field test procedure shall be as per
ASTM D-1556 or ASTM D-2922. Nuclear testing will be allowed.
(b)
For lawns and unpaved areas, compaction shall be carried out
on each layer of backfill or fill to a minimum of 90% of maximum dry
density.
(c)
Moisture-density relationship.
[1]
For soils which exhibit a well-defined moisture-density relationship,
compaction requirements shall apply to the maximum density as determined
in accordance with ASTM D-698.
[2]
For soils which do not exhibit a well-defined moisture-density
relationship, compaction requirements shall apply to the maximum index
density as determined in accordance with ASTM D4253.
(d)
One compaction test shall be performed for a minimum of two
2,000 square feet of roadbed area at locations as directed by a Town
representative. All costs for compaction and compaction tests shall
be the responsibility of the contractor.
(4)
Paving for residential subdivisions.
(a)
Subbase.
[1]
The subbase shall be constructed of one course of dense graded
aggregate. The gradation of the subbase course shall be as follows:
|
Sieve Size Designation
|
Percent Passing Base Course
|
|---|---|
|
3-inch
|
100
|
|
2-inch
|
90 to 100
|
|
1/4-inch
|
30 to 65
|
|
No. 40
|
5 to 40
|
|
No. 200
|
0 to 10
|
(b)
Upon completion of the gravel foundation course as described
above, a double-surface treatment shall be applied in the following
manner:
(5)
Paving for commercial subdivisions. Pavement structure for commercial
subdivision shall be of sufficient strength to support the traffic
volume and axial loading generated by the tenants of said subdivision
and shall be designed accordingly. Design parameters and calculations
shall be submitted with the plat prior to final approval.
(6)
Driveway aprons (see Drawing No. 3, Galvanized Steel End Sections
for Corrugated Steel Pipe and Corrugated Steel Pipe-Arch, at the end
of this chapter). All driveways or other parking areas shall have
driveway aprons extending from the gutter line to the property line.
Driveway aprons shall be of the same construction as the street paving
or better. Driveway aprons shall be at least 10 feet wide at the gutter
face and at least eight feet wide at the property line.
(7)
Street signs. Street and traffic control signs shall be provided
by, and at the expense of, the developer consistent with Town design.
All traffic control signs shall be approved by the Town Board upon
recommendation of the Highway Superintendent and consistent with the
Uniform Manual of Traffic Control Devices.
[Amended 4-11-2007 by Ord. No. 4-2007]
(8)
Erosion control.
(a)
All disturbed areas, back slopes and embankment slopes shall
be seeded and mulched in accordance with good landscape practice.
(b)
All open channels shall receive protective lining designed in
accordance with the New York State Department of Transportation Soil
Design Procedure SDP-2.
(c)
A temporary erosion control plan meeting all current New York
State Department of Conservation (NYSDEC) regulations shall be submitted
for review with the final plat.
B.
Maintenance of public improvements. All public improvements shall
be maintained by the owner or developer prior to acceptance by the
Town in a reasonable manner sufficient to adequately provide for the
safety of the general public using or traveling on such improvements.
[Added 9-10-2008 by L.L. No. 4-2008]
A.
All gas, electric, telephone, sewer and water lines shall be installed
in accordance with the specifications of the agency, utility company
or government authority or special district which has jurisdiction
in the area.
B.
A letter approving such a proposed installation and a statement as
to who will carry out the construction, signed by a responsible official
of the agency, utility company or government authority or special
district which has jurisdiction in the area, shall be directed to
the Chairman of the Planning Board and shall be received prior to
final plat approval.
A.
Grading and drainage system plan.
(1)
A grading and drainage system plan shall be part of a preliminary
plat (major subdivision) and final plat (minor subdivision) and shall
be in conformance with the town's stormwater plan, where applicable.
It shall indicate a proposal for an adequate system of drainage structures
to carry off and store or discharge not only the stormwater runoff
and drainage water which originates within the property boundaries
but also that which originates beyond the property boundaries.
(2)
The public improvement and utilities plan and profiles shall show
the final drainage plan and street profiles. They shall be prepared
and submitted with the final plat and be reviewed and approved by
the Town Engineer.
(3)
No stormwater runoff or natural drainage water shall be so diverted
as to overload existing drainage systems or create flooding or the
need for additional drainage structures on other private properties
or public lands without proper and approved provisions being made
for taking care of these conditions.
B.
Brooks or ditches. A ditch or brook right-of-way of sufficient minimum
width to include a ten-foot access strip in addition to the width
of the ditch or brook from bank top to bank top shall be offered for
dedication to the town for drainage purposes. Such right-of-way shall
be shown on the drainage plan and on the final plat.
C.
General design standards. Valley gutters will be permitted at T-intersections
where they are parallel to the center line of the through road. This
is to be accomplished by gradually taking out the crown of the intersecting
street starting from a point about 30 feet back from the flowline
of the through street. At other than T-intersections, valley gutters
will be permitted only when warranted by limited traffic use, but
never across heavily traveled streets.
(1)
Surface drainage in gutters shall be limited to the equivalent of
that flowing from 1.5 impervious acres.
(2)
Drainage structures which are located on county or state highways
shall be approved by the appropriate highway engineer's office, and
a letter of permit from that office indicating such approval shall
be directed to the Planning Board.
D.
Specification for drainage system structures. All drainage structures
to be provided for drainage from highway improvements pursuant to
this Article shall be submitted to the Highway Superintendent or Town
Engineer for design approval. Drainage structures shall be of approved
design presented in Drawings Nos. 6 through 9 at the end of this chapter.
The Planning Board may, after consultation with the Highway Superintendent
or Town Engineer, approve the usage of bituminous-coated corrugated
steel pipe (or pipe-arch) with paved invert and galvanized steel end
sections in accordance with the NYSDOT Standard Sheets.
All monuments shall be constructed of concrete or stone and
shall be four inches square with a length of at least 36 inches or
one-inch-diameter deformed reinforcing rods a minimum of 36 inches
in length and shall be set at finished grade.
