[HISTORY: Adopted by the Town Board of the Town of Haverstraw 8-13-1990
by L.L. No. 10-1990; amended in its entirety 2-23-2004
by L.L. No. 3-2004. Amendments noted where applicable.]
It is the purpose of this chapter to establish minimum acceptable standards
of construction in the Town of Haverstraw, including but not limited to width,
design, drainage, construction of pavement, curbs, sidewalks, monuments, signs,
lighting and fire hydrants.
Wherever reference is made to the Public Works Specifications of the
State of New York, Department of Public Works, Division of Construction, the
edition as amended shall be utilized.
A.
Clearing shall consist of the removal and disposal of
trees, branches, stumps, fences, debris and miscellaneous structures. No burning
will be permitted and all material will be disposed of off-site except, when
approved in writing by the Engineer and/or the Building Inspector, disposal
in an on-site location may be permitted subject to the preparation of the
area to receive the cleared material and placement of earth on top of the
material, as directed. Under no circumstances is disposal to be made at a
location which is designated to be built upon, or within 20 feet thereof,
or in a swamp or wetland.
B.
Where trees or existing roots/stumps shall be grubbed, excavated and removed from the area above, applicant's attention is called to § A176-17A(6)(d), which requires the depiction of existing wooded areas or trees six inches or more in diameter, measured four feet above ground level," to be presented to the Planning Board at the sketch plat stage. Removal of any tree not designated by the Planning Board to be removed shall require the applicant, for each tree so removed, to place $500 in an account established by the Town solely for replacement tree planting. The use of bulldozers or similar large equipment, rather than the use of a chainsaw, to remove trees may result in a significant loss of trees proposed to remain.
C.
Grading shall be in accordance with the grading plan
as approved by the Planning Board. In general, areas adjacent to buildings
shall be sloped to direct surface water, including snowmelt, away from the
buildings. Adjacent areas shall have adequate, continuous slopes to drain
toward watercourses, drainage swales and roadways.
D.
Except for approved subdivisions and site plans, any
proposal to remove a tree measuring three or more inches, four feet above
the original ground surface, and/or placement or removal of fill in excess
of 500 cubic yards, and/or the construction of a retaining wall more than
three feet in height from the highest adjacent ground level, and/or the creation
of slope 20% or greater shall require written approval from the Building Inspector.
The placement of fill, for any purpose whatsoever, is deemed to be the
setting of material on top of an existing surface which results in a change
in elevation of the surface upon which the fill has been placed.
A.
Material. All material utilized for fill purposes shall
be free of any and all foreign items, including, but not limited to, vegetation,
bricks, concrete and other masonry materials, rock, wood, including tree stumps
and branches, wall coverings, plaster, drywall, plumbing fixtures, insulation,
roofing shingles, asphaltic pavement, electric wiring, metals, brush and grass
clippings, glass, containers utilized for the holding of liquids, hazardous
liquids, materials which may be considered infectious or biohazardous originating
from hospitals, public or private clinics, research laboratories, pharmaceutical
industries, blood banks, mortuaries, veterinary facilities and other similar
facilities, animal carcasses, and similar materials.
B.
Specific uses. Fill placed for specific purposes such as for public or private roads, subbase course, driveways, sidewalks, under foundations and slabs and at all other locations where the material is to be used for structural support, in addition to Subsection A, above, shall conform to the type, gradation, method of placement and compaction as specified in the Land Use Regulations of the Town of Haverstraw. Nothing shall be installed on top of the fill placed until approval is obtained from the Town Engineer and/or the Superintendent of Highways.
C.
Nonstructural uses. Where the fill material is to be
utilized solely for the purpose of grading, it may contain stone having a
maximum dimension of four inches.
D.
Off-site material. Prior to having any off-site material delivered to the construction area, the Town Engineer and/or the Superintendent of Highways and/or the Building Inspector shall be advised as to the name and location of the material source and, if required by the Town Engineer and/or the Superintendent of Highways and/or the Building Inspector, a certification prepared by the supplier shall be given indicating that the material to be delivered complies with Subsections A and B above.
The Town of Haverstraw Planning Board shall determine and designate
into which of the five following classifications each proposed street falls:
A.
Local street: a street whose prime function is to give
direct access to abutting residential property.
B.
Collector street: a street which collects the traffic
generated by local streets and serves as a means of access from development
areas to the secondary road system.
C.
Private roads serving subdivisions of not more than three
lots.
D.
Key roads. A "key road" is a private street serving as
the primary access through a multifamily residential development, a shopping
center, an office development, an industrial development or other such development.
E.
Private parking lots for multifamily residential developments,
shopping centers, office developments, industrial developments and other such
developments.
A.
Figures 1, 2, 3, 4 and 5 (at the end of this chapter)
show cross sections of each of the five classifications of streets. In addition,
the figures give the required design dimensions and construction details which
are applicable to a particular classification.
B.
Hereafter are set forth the general and more detailed
specifications for design and construction applicable to all streets and other
site improvements.
C.
The developer shall design and construct streets and
other site improvements which shall conform to both the specific and the general
specifications.
D.
The plat and/or site plat shall depict a cross-section
of the proposed streets and shall indicate which classification applies to
which of the proposed streets as determined by the Planning Board. One section
is sufficient, provided dimensions, thickness and type of material are shown
for each applicable classification.
E.
The term "certification" as used throughout this section
shall be deemed to mean certification to the Town of Haverstraw by a New York
State licensed professional engineer, testing laboratory, supplier or other
applicable entity.
A.
Phase I. The developer shall establish and clearly mark
on site the limits of road rights-of-way and/or easements, the center line
and grades of the road pavement and the location and elevation of drainage
and drainage structures in accordance with the approved plans. Such markers
shall be maintained at the developer's expense until the construction
of drainage, road pavement, curbs, sidewalks and shoulders has been completed,
inspected and approved by the Town Engineer and/or Town Superintendent of
Highways.
B.
Phase II.
(2)
All roots and stumps shall be grubbed, excavated and
removed from the above areas.
(3)
The developer shall complete the shaping of the road
right-of-way, streams and ditches and easement areas to the line and grade
as shown on the approved plan and as otherwise may be directed by the Town
Engineer and/or Town Superintendent of Highways. All unsuitable or unstable
materials shall be completely excavated and removed from the right-of-way,
and all rocks or boulders larger than six inches in diameter shall be excavated
at least eight inches below the finished subgrade of road pavement, drainage
or drainage structures, curbs and/or sidewalks and shall be replaced with
a nonplastic selected material of a granular nature to a depth of at least
six inches or as otherwise directed by the Town Engineer and/or Town Superintendent
of Highways and shall be thoroughly compacted.
(4)
The installation of all sewers, stormwater drainage and
other utilities shall be made prior to placing the first pavement course.
(5)
Where fills are necessary to complete the required line
and grade or to backfill trenches or other excavation, the materials incorporated
in the work shall be acceptable to the Town Engineer and/or Town Superintendent
of Highways and shall be placed in layers not exceeding eight inches in depth.
Each layer shall be thoroughly compacted by rolling a three-wheel, sheepsfoot,
pneumatic-tired or padded-wheel roller or by impact rammer or vibratory equipment.
All compaction shall continue until the fills are firm and unyielding. All
work shall be certified by a New York state licensed professional engineer.
(6)
Prior to placing the first pavement course, the Town
Engineer and/or Town Superintendent of Highways shall inspect the completed
subgrade, and if any unstable areas are found or observed under rolling, the
material shall be removed and replaced with an acceptable material and thoroughly
compacted to a depth satisfactory to the Town Engineer and/or Town Superintendent
of Highways.
(7)
The rough grade of the road pavement, curb and sidewalk
areas shall be completed to within a tolerance of one inch of finished subgrade
as shown on the approved cross section of the right-of-way improvement.
(8)
Construction of road pavement, development of shoulders
and drainage as herein specified shall be under the direction of the developer's
engineer and to the satisfaction of the Town Engineer and/or Town Superintendent
of Highways in accordance with the approval plans.
(9)
The soil erosion control plan shall be implemented and
maintained by the developer during the entire course of development of the
streets and public easements in accordance with the New York Guidelines for
Urban Erosion and Sediment Control, also commonly referred to as the "Blue
Book" and as amended and adopted by the New York State Department of Environmental
Conservation.
C.
Phase III.
(1)
Prior to the issuance of a building permit for any lot
(except that building permits may be issued for up to two model homes), the
developer shall complete the clearing and grubbing, excavation, filling, rough
grading and storm drainage both within the development and the required off-site
improvements, as approved by the Planning Board. Such work shall be completed
for all road rights-of-way fronting and drainage easements serving such lot
and extending from existing improved right-of-way and easements up to and
including the last lots upon which a building permit is requested to be issued.
In addition, the developer shall construct the subbase and base courses to
the full design widths of street pavement in order to assure suitable access
by fire, police, ambulance and other emergency vehicles to sites of actual
building construction. For subdivisions or site development plans which are
to be built in two or more phases, this regulation shall be applicable with
respect to each separate phase of the project.
(2)
Prior to the issuance of a certificate of occupancy for
a structure on any lot not fronting on an improved public street, the developer
shall complete: storm drainage, curbs, sidewalks, sanitary sewer construction
within either the right-of-way or any easements affecting that lot and all
rights-of-way between that lot and the existing improved public street. The
developer shall have installed all utilities, including house connections
and streetlighting, in such right-of-way. In addition, the developer shall
fine-grade and construct all asphaltic concrete binder courses to the full
design widths of street pavement.
(3)
No more than 10% of the building permits, and no less
than one lot, which shall be comprised of lots designated by the applicant
prior to final approval, except for footing and foundations, shall be issued
until all on-site and off-site improvements have been offered for dedication
and accepted by the Town of Haverstraw, except that building permits my be
issued if all other required improvements are completed and accepted after
posting of cash to cover the cost of the final road wearing course.
A.
Design. The storm drains shall be designed on a twenty-five-year
frequency storm. In cases where stormwater runoff presents a danger to life,
limb or structures or where required by the Planning Board, stormwater drainage
shall be designed on a one-hundred-year frequency storm. All storm drainage
systems shall be designed by a New York State licensed professional engineer.
Storm drainage plans shall contain the engineer's signature and seal.
Plans shall show energy gradients and water surface profiles. Drainage pipe
shall be designed to maintain a minimum water velocity of two feet per second,
but not more than 12 feet per second. Full computation for all of the above
shall be submitted.
B.
Excavation, laying and backfilling.
(1)
The widths of the trench in which the pipe is placed
shall be sufficient to permit thorough tamping of the backfill under the haunches
and around the pipe. Where rock in either boulder or ledge formation is encountered,
it shall be removed below grade and replaced with suitable materials in such
a manner as to provide an earth cushion having a thickness under the pipe
of not less than eight inches. Where there are excessively heavy fills over
the top of the pipe, the Town Engineer and/or Town Superintendent of Highways
may specify that an earth cushion up to 1/2 inch in thickness per foot of
fill be placed over the top of the pipe.
(2)
In no case shall the top of any drainage pipe be less
than 18 inches below the finished grade of the pavement. Where soft, spongy
or other unstable soil is encountered at the grade established, all such unstable
soil under the pipe and for a width of one inch diameter on each side of the
pipe shall be removed and replaced with one-half-inch crushed stone or other
material found acceptable to the Town Engineer and/or Town Superintendent
of Highways. In all cases the bed shall be thoroughly compacted and shall
provide a firm foundation for the pipe.
(3)
Pipe shall be laid to true line and grade on the prepared
bed of the trench. All connections for making field joints in corrugated metal
pipe shall consist of corrugated metal bands so constructed as to lap on equal
portions of each of the culvert sections to be connected. All joints in making
field connections of reinforced concrete pipe shall be filled with portland
cement mortar.
(4)
Any additional drainage facilities not shown on the approved
plan and which may be ordered by the Town Engineer and/or Town Superintendent
of Highways shall be constructed by the developer at the developer's
expense and in accordance with these specifications.
C.
Pipe. Storm drain and culvert pipe shall be reinforced
concrete, corrugated metal, corrugated aluminum or high-density polyethylene
(HDPE) in accordance with the specifications contained below, and with a minimum
diameter of 18 inches, unless otherwise called for and approved by the Town
Engineer and/or Town Superintendent of Highways.
(1)
Reinforced concrete pipe shall conform to the standard
specifications for reinforced concrete culvert pipe adopted by the American
Society for Testing and Materials and designated as C 76-59T Class III and
shall be manufactured with slip joints or bell and spigot joints. Each piece
shall be marked with the specification number and the date of manufacture.
(2)
All corrugated metal pipe shall be fully paved and coated.
(3)
Round corrugated aluminum pipe shall conform to Item
11L and oblate corrugated aluminum pipe shall conform to Item 11LA of Part
III of the Public Works Specifications of the State of New York, Department
of Public Works, Division of Construction.
(4)
All high-density polyethylene pipe shall conform to AASHTO
Specifications M252 and M294.
D.
Catch basins, precast.
(1)
The following specifications and drawings (see Figure
7 at end of chapter) show the minimum acceptable construction standards for
typical precast catch basins and curb inlets. Whenever, in the opinion of
the Town Engineer and/or Town Superintendent of Highways, ground conditions
or other circumstances require it, larger or heavier materials, additional
materials, reinforcing or other modifications and improvements in design and
construction shall be made as directed by the Town Engineer and/or Town Superintendent
of Highways at any time prior to paving.
(2)
Catch basins shall be located at all points of change
of slope or alignment and at all junction points. At no time shall catch basins
be spaced farther apart than 300 feet on slopes of less than 3%, 250 feet
on slopes from 3% to 6%, and 200 feet on slopes over 6%. The design of drainage
improvements at street intersections shall be prepared and shown at a scale
of one inch equals 10 feet. When directed by the Town Engineer and/or the
Superintendent of Highways, in order to ensure the complete trapping of runoff,
double catch basin heads may be required and catch basin throats shall be
modified to accommodate double heads.
(3)
Holes for catch basins shall be excavated to a depth
of 35 inches below the designated elevation of the invert of the effluent
pipe. Three-fourths-inch crushed stone shall be laid in the hole to a uniform
depth of nine inches, leveled and compacted over the entire area under the
base. On the stone or gravel shall be placed the precast basin.
E.
Catch basins, field-constructed.
(1)
The following specifications and drawings (see Figure
8 at end of chapter) show the minimum acceptable construction standards for
field-constructed catch basins and curb inlets. Whenever, in the opinion of
the Town Engineer and/or Town Superintendent of Highways, ground conditions
or other circumstances require it, larger or heavier materials, additional
materials, reinforcing or other modifications and improvements in design and
construction shall be made as directed by the Town Engineer and/or Town Superintendent
of Highways at any time prior to paving.
(2)
Catch basins shall be constructed at all points of change
of slope or alignment and at all junction points. At no time shall catch basins
be spaced farther apart than 300 feet on slopes of less than 3%, 250 feet
on slopes from 3% to 6%, and 200 feet on slopes over 6%. The design of drainage
improvements at street intersections shall be prepared and shown at a scale
of one inch equals 10 feet.
(3)
Holes for catch basins shall be excavated to a depth
of 35 inches below the designated elevation of the invert of the effluent
pipe. Three-fourths-inch crushed stone shall be laid in the hole to a uniform
depth of nine inches, leveled and compacted over the entire area under the
base. On the stone or gravel shall be laid an eight-inch-thick slab of four-thousand-pounds-per-square-inch
concrete. The slab shall extend four inches beyond the outside of the walls
of the catch basin on every side. The slab shall be smooth and level. Through
the center of the slab there shall be an opening for drainage one square foot
in area, which shall be protected and kept clean of concrete, mortar or other
obstructing materials during construction.
(4)
Walls.
(a)
To a maximum depth of five feet below the finished surface,
the catch basin walls shall be constructed of solid concrete catch basin corner
and stretcher blocks six inches thick, similar or equal to those in the Building
Code of New York State, Chapter 21, Masonry.
(b)
From five feet to a maximum depth of 10 feet below the
finished surface, the walls shall be constructed of solid concrete catch basin
corner and stretcher blocks eight inches thick, similar or equal to those
in the Building Code of New York State, Chapter 21, Masonry.
(c)
Below 10 feet from the finished surface, the catch basin
walls shall be a minimum of 12 inches thick and shall be constructed of solid
concrete catch basin corner and stretcher blocks 12 inches thick or a double
thickness of solid concrete catch basin corner and stretcher blocks eight
inches thick, similar or equal to those in the Building Code of New York State,
Chapter 21, Masonry.
(d)
All blocks forming the catch basin walls shall be laid
up with mortar composed of portland cement and mortar sand conforming to the
Building Code of New York State, Chapter 21, Masonry.
(e)
Inside dimensions of the catch basin shall remain constant
from top to bottom and shall match the frame opening of the curb inlet to
be used.
F.
Installation of pipes into catch basins.
(1)
Concrete blocks around all pipes entering or leaving
catch basins shall be cut to fit the contours of the pipes as closely as possible.
Remaining voids shall be solidly filled with mortar for the full thickness
of the wall. Ends of the pipes shall be cut off flush with the inside surfaces
of the catch basin walls.
(2)
When the diameter of the effluent pipe is greater than
that of an influent pipe, the elevation of the crown of the influent pipe
shall be no lower than the elevation of the crown of the effluent pipe.
(3)
When the diameter of the effluent pipe is the same as
or smaller than that of the influent pipe, the elevation of the invert of
the influent pipe shall be no lower than the elevation of the invert of the
effluent pipe. In no case shall the crown of any influent pipe be more than
five feet above the invert of the effluent pipe.
G.
Curb inlets.
(1)
All catch basins shall be capped with curb inlets having a minimum frame opening of 30 inches by 48 inches. Curb inlets shall be similar or equal to either Campbell Foundry Company Pattern No. 2501, Campbell Foundry Company Pattern No. 2541 (Stream Flow Grating) or as otherwise approved by the Town Engineer and/or Town Superintendent of Highways. Attention is called to the possibility of requiring double catch basin heads per Subsection D(2).
(2)
Curb inlets shall be installed so that the top of the
grating is two inches below the finished grade and the pavement shall be sloped
toward the inlet as shown on Figures 7 and 8 at the end of this chapter.
(3)
Curb-front openings on all curb inlets shall have, centered
in the opening, a solid horizontal bar to prevent the ingress of small children.
This bar shall be one made by the Campbell Foundry or equal and shall be bolted
to the frame of the catch basin. A curb box with a small opening may be used
on flat street grades.
H.
Steps. Catch basins having a depth greater than 48 inches
from the finished surface to the top of the concrete base shall be provided
with steps. Steps shall be of wrought iron having a minimum diameter of 3/4
inch, which shall be hot-bent to shape and hot-dipped galvanized after bending.
They shall be solidly set in the masonry at the time of construction and shall
extend all the way through the wall. The steps shall extend 4 1/2 inches
inside the wall of the catch basin. The top step shall be not more than 18
inches below the finished surface and thence to the base steps shall be no
more than 18 inches apart.
A.
Fine grading.
(1)
Before fine-grading or construction of curbs and sidewalks
is started, all storm and sanitary sewers and all utilities, including house
connections and hydrants, shall have been installed and all fill and backfill
shall have been thoroughly compacted to the satisfaction of the Town Engineer
and/or Town Superintendent of Highways.
(2)
After completion of the rough grade and prior to the
laying of the subbase course, the subgrade shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop. The fine grade shall not
extend more than 1/2 inch below finished subgrade and shall not be muddy or
otherwise unsatisfactory when the subbase course is laid upon it.
(3)
Any soft or unstable portions of the subgrade which develop
under the roller shall be completely excavated and removed from the rights-of-way
and shall be replaced with acceptable granular material and the area regraded
and compacted as set forth above.
(4)
Fine-grade shall conform to the prescribed width of pavement
and shall be equidistant from the center line of the road right-of-way and
shall conform to the typical cross section of the road pavement and to the
approved line and grade.
B.
Subbase course.
(1)
After fine grading has been completed in accordance with
these specifications and to the satisfaction of the Town Engineer and/or Town
Superintendent of Highways, the subbase course conforming to and as shown
on Figures 1 and 2 (at the end of this chapter) shall be constructed.
(2)
The developer shall construct a subbase course of sand,
gravel and stone conforming to the current specifications of the New York
State Department of Public Works section for Item 304.02.
(3)
The depth of the subbase course for local streets shall
be four inches, whereas for collector streets the depth shall be six inches.
(4)
The subbase course shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop.
(5)
The subbase course shall conform to the prescribed width
of pavement and shall be equidistant from the center line of the road right-of-way
and shall conform to the typical cross section of the road pavement and to
the approved line and grade.
C.
Base course. After the subbase course has been completed
as the applicable sections of these specifications dictate and to the satisfaction
of the Town Engineer and/or Town Superintendent of Highways, the base course
conforming to and as shown on Figures 1 and 2 (at the end of this chapter)
shall be constructed.
(1)
Asphaltic concrete base course. The developer shall construct
a base course of asphaltic concrete conforming to the current specifications
of the New York State Department of Public Works for Item 403.11 bottom course
asphaltic concrete Type 1A, as amended from time to time. It shall be uniformly
spread by a self-propelled mechanical spreader equipped with tamping bars
and heating unit of sufficient depth to provide a finished compacted thickness,
after rolling, of four inches as shown in Figures 1 and 2 (at the end of this
chapter) of these specifications. The base course material shall be thoroughly
rolled with a ten-ton steel wheel or vibratory roller.
(2)
Asphalt concrete base course may be opened to traffic
until just prior to dedication of the road right-of-way to the Town. Construction
of binder and wearing surface will be permitted only after the Town Engineer
and/or Town Superintendent of Highways has been satisfied that construction
traffic has been substantially completed and that all utilities were installed
and are in satisfactory service.
D.
Binder course.
(1)
After the subbase and base courses have been completed
to the satisfaction of the Town Engineer and/or Town Superintendent of Highways,
a two-inch binder course (Type 3) shall be constructed conforming to the New
York State Department of Transportation Specifications for Item 403.13 asphalt
concrete, as shown on Figures 1 and 2 (at the end of this chapter).
(2)
The base course shall be thoroughly cured and cleaned
of all foreign material before the binder course is uniformly spread by a
self-propelled mechanical spreader with tamping bars and heating unit in sufficient
depth as to provide a finished compacted thickness, after rolling, of not
less than two inches. The course in place shall be thoroughly rolled with
a ten-ton steel wheel or vibratory roller.
E.
Wearing surface.
(1)
When directed by the Town Engineer and/or Town Superintendent
of Highways and after the binder course, concrete curbs, sidewalks, drainage,
all utilities, etc., have been completed, the binder course shall be thoroughly
cleaned of foreign material and a tack coat of asphalt emulsion applied to
the surface at the rate of 1/10 to 1/20 gallon per square yard; a final wearing
course of fine bituminous concrete conforming to the New York State Department
of Transportation Specifications for Item 403.17 (Type 6F) shall be uniformly
spread by a self-propelled mechanical spreader equipped with tamping bars
and heating unit and in sufficient depth as to provide a finished compacted
thickness, after rolling, of not less than 1 1/2 inches. The final wearing
course in place shall be thoroughly compacted with a two- or three-wheel tandem
roller weighing approximately 10 tons.
(2)
Extreme care shall be exercised in the placing of bituminous
concrete to ensure that all longitudinal joints shall be lapped in the placing
of adjoining strips and that all lateral joints are trimmed before continuing
with the placing of additional materials on that strip as shown in Figure
9 (at the end of this chapter).
F.
Certifications shall indicate the cubic yards of base,
binder and wearing course installed on the project. When directed by the Town
Engineer and/or the Superintendent of Highways, core samples shall be taken
and submitted for approval.
A.
Fine grading.
(1)
Before fine-grading or construction of curbs and sidewalks
is started, all storm and sanitary sewers and all utilities, including house
connections and hydrants, shall have been installed and all fill and backfill
shall have been thoroughly compacted to the satisfaction of the Town Engineer
and/or Town Superintendent of Highways.
(2)
After completion of the rough grade and prior to the
laying of the subbase course, the subgrade shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop. The fine-grade shall not
extend more than 1/2 inch below finished subgrade and shall not be muddy or
otherwise unsatisfactory when the subbase course is laid upon it.
(3)
Any soft or unstable portions of the subgrade which develop
under the roller shall be completely excavated and removed from the rights-of-way
and shall be replaced with acceptable granular material and the area regraded
and compacted as set forth above.
(4)
Fine-grade shall conform to the prescribed width of pavement
and shall be equidistant from the center line of the road right-of-way and
shall conform to the typical cross section of the road pavement and to the
approved line and grade.
B.
Subbase course.
(1)
After fine grading has been completed in accordance with
these specifications and to the satisfaction of the Town Engineer and/or Town
Superintendent of Highways, the subbase course conforming to and as shown
on Figure 3 (at the end of this chapter) shall be constructed.
(2)
The developer shall construct a subbase course of sand,
gravel and stone conforming to the current specifications of the New York
State Department of Public Works section for Item 304.02.
(3)
The depth of the subbase course for private roads shall
be four inches.
(4)
The subbase course shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop.
(5)
The subbase course shall conform to the prescribed width
of pavement and shall be equidistant from the center line of the road right-of-way
and shall conform to the typical cross section of the road pavement and to
the approved line and grade.
C.
Base course. No base course is required for private roads.
D.
Binder course.
(1)
After the subbase course has been completed to the satisfaction
of the Town Engineer and/or Town Superintendent of Highways, a three-inch
binder course (Type 3) shall be constructed conforming to the New York State
Department of Transportation Specifications for Item 403.13 asphalt concrete,
as shown on Figure 3 (at the end of this chapter).
(2)
The subbase course shall be cleaned of all foreign material
before the binder course is uniformly spread by a self-propelled mechanical
spreader with tamping bars and heating unit in sufficient depth as to provide
a finished compacted thickness, after rolling, of not less than three inches.
The course in place shall be thoroughly rolled with a ten-ton steel wheel
or vibratory roller.
E.
Wearing surface.
(1)
When directed by the Town Engineer and/or Town Superintendent
of Highways and after the binder course, concrete curbs, sidewalks, drainage,
all utilities, etc., have been completed, the binder course shall be thoroughly
cleaned of foreign material and a tack coat of asphalt emulsion applied to
the surface at the rate of 1/10 to 1/20 gallon per square yard; a final wearing
course of fine bituminous concrete conforming to the New York State Department
of Transportation Specifications for Item 403.17 (Type 6F) shall be uniformly
spread by a self-propelled mechanical spreader equipped with tamping bars
and heating unit and in sufficient depth as to provide a finished compacted
thickness, after rolling, of not less than 1 1/2 inches. The final wearing
course in place shall be thoroughly compacted with a two- or three-wheel tandem
roller weighing approximately 10 tons.
(2)
Extreme care shall be exercised in the placing of bituminous
concrete to ensure that all longitudinal joints shall be lapped in the placing
of adjoining strips and that all lateral joints are trimmed before continuing
with the placing of additional materials on that strip as shown in Figure
9 (at the end of this chapter).
F.
Certifications shall indicate the cubic yards of base,
binder and wearing course installed on the project. When directed by the Town
Engineer and/or the Superintendent of Highways, core samples shall be taken
and submitted for approval.
A.
Fine grading.
(1)
Before fine-grading or construction of curbs and sidewalks
is started, all storm and sanitary sewers and all utilities, including house
connections and hydrants, shall have been installed and all fill and backfill
shall have been thoroughly compacted to the satisfaction of the Town Engineer
and/or Town Superintendent of Highways.
(2)
After completion of the rough grade and prior to the
laying of the subbase course, the subgrade shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop. The fine-grade shall not
extend more than 1/2 inch below finished subgrade and shall not be muddy or
otherwise unsatisfactory when the subbase course is laid upon it.
(3)
Any soft or unstable portions of the subgrade which develop
under the roller shall be completely excavated and removed from the rights-of-way
and shall be replaced with acceptable granular material and the area regraded
and compacted as set forth above.
(4)
Fine-grade shall conform to the prescribed width of pavement
and shall be equidistant from the center line of the road right-of-way and
shall conform to the typical cross section of the road pavement and to the
approved line and grade.
B.
Subbase course.
(1)
After fine grading has been completed in accordance with
these specifications and to the satisfaction of the Town Engineer and/or Town
Superintendent of Highways, the subbase course conforming to and as shown
on Figure 4 (at the end of this chapter) shall be constructed.
(2)
The developer shall construct a subbase course of sand,
gravel and stone conforming to the current specifications of the New York
State Department of Public Works section for Item 304.02.
(3)
The depth of the subbase course for key roads shall be
four inches.
(4)
The subbase course shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop.
(5)
The subbase course shall conform to the prescribed width
of pavement and shall be equidistant from the center line of the road right-of-way
and shall conform to the typical cross section of the road pavement and to
the approved line and grade.
C.
Base course. After the subbase course has been completed
as the applicable sections of these specifications dictate and to the satisfaction
of the Town Engineer and/or Town Superintendent of Highways, the base course
or courses conforming to and as shown on Figure 4 (at the end of this chapter)
shall be constructed.
(1)
Asphaltic concrete base course. Under this base course,
the developer shall construct a base course of asphaltic concrete conforming
to the current specifications of the New York State Department of Public Works
for Item 403.11 bottom course asphaltic concrete Type 1A, as amended from
time to time. It shall be uniformly spread by a self-propelled mechanical
spreader equipped with tamping bars and heating unit of sufficient depth to
provide a finished compacted thickness, after rolling, of three inches as
shown in Figure 4 (at the end of this chapter) of these specifications. The
base course material shall be thoroughly rolled with a ten-ton steel wheel
or vibratory roller.
(2)
Asphalt concrete base course may be opened to traffic
until just prior to dedication of the road right-of-way to the Town. Construction
of binder and wearing surface will be permitted only after the Town Engineer
and/or Town Superintendent of Highways has been satisfied that construction
traffic has been substantially completed and that all utilities were installed
and are in satisfactory service.
D.
Binder course.
(1)
After the subbase and base courses have been completed
to the satisfaction of the Town Engineer and/or Town Superintendent of Highways,
a two-inch binder course (Type 3) shall be constructed conforming to the New
York State Department of Transportation Specifications for Item 403.13 asphalt
concrete, as shown on Figure 3 (at the end of this chapter).
(2)
The base course shall be thoroughly cured and cleaned
of all foreign material before the binder course is uniformly spread by a
self-propelled mechanical spreader with tamping bars and heating unit in sufficient
depth as to provide a finished compacted thickness, after rolling, of not
less than two inches. The course in place shall be thoroughly rolled with
a ten-ton steel wheel or vibratory roller.
E.
Wearing surface.
(1)
When directed by the Town Engineer and/or Town Superintendent
of Highways and after the binder course, concrete curbs, sidewalks, drainage,
all utilities, etc., have been completed, the binder course shall be thoroughly
cleaned of foreign material and a tack coat of asphalt emulsion applied to
the surface at the rate of 1/10 to 1/20 gallon per square yard; a final wearing
course of fine bituminous concrete conforming to the New York State Department
of Transportation Specifications for Item 403.17 (Type 6F) shall be uniformly
spread by a self-propelled mechanical spreader equipped with tamping bars
and heating unit and in sufficient depth as to provide a finished compacted
thickness, after rolling, of not less than 1 1/2 inches. The final wearing
course in place shall be thoroughly compacted with a two- or three-wheel tandem
roller weighing approximately 10 tons.
(2)
Extreme care shall be exercised in the placing of bituminous
concrete to ensure that all longitudinal joints shall be lapped in the placing
of adjoining strips and that all lateral joints are trimmed before continuing
with the placing of additional materials on that strip as shown in Figure
9 (at the end of this chapter).
F.
Certification shall indicate the cubic yards of base,
binder and wearing course installed on the project. When directed by the Town
Engineer and/or the Superintendent of Highways, core samples shall be taken
and submitted for approval.
A.
Fine grading.
(1)
Before fine-grading or construction of curbs and sidewalks
is started, all storm and sanitary sewers and all utilities, including house
connections and hydrants, shall have been installed and all fill and backfill
shall have been thoroughly compacted to the satisfaction of the Town Engineer
and/or Town Superintendent of Highways.
(2)
After completion of the rough grade and prior to the
laying of the subbase course, the subgrade shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop. The fine-grade shall not
extend more than 1/2 inch below finished subgrade and shall not be muddy or
otherwise unsatisfactory when the subbase course is laid upon it.
(3)
Any soft or unstable portions of the subgrade which develop
under the roller shall be completely excavated and removed from the rights-of-way
and shall be replaced with acceptable granular material and the area regraded
and compacted as set forth above.
(4)
Fine-grade shall conform to the prescribed width of pavement
and shall be equidistant from the center line of the road right-of-way and
shall conform to the typical cross section of the road pavement and to the
approved line and grade.
B.
Subbase course.
(1)
After fine grading has been completed in accordance with
these specifications and to the satisfaction of the Town Engineer and/or Town
Superintendent of Highways, the subbase course conforming to and as shown
on Figure 5 (at the end of this chapter) shall be constructed.
(2)
The developer shall construct a subbase course of sand,
gravel and stone conforming to the current specifications of the New York
State Department of Public Works section for Item 304.02.
(3)
The depth of the subbase course for private parking lots
shall be four inches, whereas for collector streets the depth shall be six
inches.
(4)
The subbase course shall be shaped to line and grade
and thoroughly compacted with an approved self-propelled roller weighing not
less than 10 tons. All hollows and depressions which develop under rolling
shall be filled with acceptable granular material and again rolled. This process
shall be continued until no depressions develop.
(5)
The subbase course shall conform to the prescribed width
of pavement and shall be equidistant from the center line of the road right-of-way
and shall conform to the typical cross section of the road pavement and to
the approved line and grade.
C.
Base course. No base course is required for private parking
lots.
D.
Binder course.
(1)
After the subbase course has been completed to the satisfaction
of the Town Engineer and/or Town Superintendent of Highways, a three-inch
binder course (Type 3) shall be constructed conforming to the New York State
Department of Transportation Specifications for Item 403.13 asphalt concrete,
as shown on Figure 5 (at the end of this chapter).
(2)
The subbase course shall be cleaned of all foreign material
before the binder course is uniformly spread by a self-propelled mechanical
spreader with tamping bars and heating unit in sufficient depth as to provide
a finished compacted thickness, after rolling, of not less than three inches.
The course in place shall be thoroughly rolled with a ten-ton steel wheel
or vibratory roller.
E.
Wearing surface.
(1)
When directed by the Town Engineer and/or Town Superintendent
of Highways and after the binder course, concrete curbs, sidewalks, drainage,
all utilities, etc., have been completed, the binder course shall be thoroughly
cleaned of foreign material and a tack coat of asphalt emulsion applied to
the surface at the rate of 1/10 to 1/20 gallon per square yard; a final wearing
course of fine bituminous concrete conforming to the New York State Department
of Transportation Specifications for Item 403.17 (Type 6F) shall be uniformly
spread by a self-propelled mechanical spreader equipped with tamping bars
and heating unit and in sufficient depth as to provide a finished compacted
thickness, after rolling, of not less than 1 1/2 inches. The final wearing
course in place shall be thoroughly compacted with a two- or three-wheel tandem
roller weighing approximately 10 tons.
(2)
Extreme care shall be exercised in the placing of bituminous
concrete to ensure that all longitudinal joints shall be lapped in the placing
of adjoining strips and that all lateral joints are trimmed before continuing
with the placing of additional materials on that strip as shown in Figure
9 (at the end of this chapter).
F.
Certifications shall indicate the cubic yards of base,
binder and wearing course installed on the project. When directed by the Town
Engineer and/or the Superintendent of Highways, core samples shall be taken
and submitted for approval.
A.
Belgian block curbs shall be constructed on both sides
of the street as shown on Figures 1, 2, 3 and 4 to the dimensions and standards
as shown on Figure 10 (at the end of this chapter).
B.
Where permitted by the Planning Board, concrete curbs
may be constructed on both sides of the street as shown on Figures 1,2, 3
and 4 (at the end of this chapter) and to the dimensions and specifications
shown on Figure 11 (at the end of this chapter).
C.
Four-inch perforated, corrugated galvanized steel pipe
shall be laid in three-fourths-inch stone or washed gravel under all curbs
as shown in Figure 10 (at the end of this chapter). This underdrain shall
be so graded that any water under the curbs will drain to the nearest catch
basin where the underdrain shall be connected as shown on Figure 8 (at the
end of this chapter).
D.
Where the subgrade is not subject to a high-water table,
underground water or springs, perforated pipe need not be used if so approved
by the Town Engineer and/or Town Superintendent of Highways; however, the
eight inches of stone or gravel will be required.
E.
Where concrete curbs have been permitted by the Planning
Board, concrete shall be finished and cured to the satisfaction of the Town
Engineer and/or Town Superintendent of Highways. The developer shall, at his
own expense, replace any curbing damaged before dedication and any curb that
proved defective or is damaged by his operations during the one-year maintenance
period.
F.
Curbs shall be cured using Membrane Curing Compound (clear)
Horncure 30-D (by A.C. Horn, Inc., Beltsville, Maryland), or Sealtight 3110
clear (by W.R. Meadows, Inc., York, Pennsylvania), or Super Konkure (by A.H.
Harris Sons, Inc., Latham, New York); or approved equal subject acceptance
by Town Engineer and/or Town Superintendent of Highways. [Reference New York
State Department of Transportation (NYSDOT) materials and equipment for use
on NYSDOT construction projects available at the NYSDOT office in Poughkeepsie,
New York.]
A.
Driveway entrances.
(1)
The developer shall construct all driveway entrances
according to the dimensions and specifications shown on Figures 12 and 13
(at the end of this chapter).
(2)
All entrance construction shall be finished and cured
to the satisfaction of the Town Engineer and/or Town Superintendent of Highways.
(3)
All necessary driveway entrances within the subdivision
shall be constructed at the time of construction of the curbs.
B.
Curb cuts and/or widening of existing driveways on Town
of Haverstraw streets shall require a permit from the Town Superintendent
of Highways.
C.
The maximum slope of the portion of a driveway located
in a public right-of-way shall be 3%.
D.
For single- and two-family residences, driveways shall
be constructed to the following standards unless otherwise approved by the
Town Engineer and/or Building Inspector:
(1)
Driveway width: 10 feet minimum.
(2)
Driveway slope: maximum 10%.
(3)
Driveway slope in right-of-way: maximum 3% pitching to
street.
(4)
Driveway slopes within 20 feet of garage entrance: maximum
3%, minimum 1%, sloping away from garage entrance.
(5)
Side entry garage, minimum paving for backup: 30 feet
for full width of garage opening.
(6)
Driveway paving: 1 1/2 inches of phaltic concrete
wearing course, New York State Type 6F, Item No. 403.17; over two inches thick
asphaltic concrete binder course, New York State Type 3 Item No. 403.13; over
four inch subbase course, New York State Item No. 304.02.
Unless waived by the Planning Board, the developer shall construct four-inch-thick reinforced concrete sidewalks on both sides of streets as shown on Figures 1 and 2 (at the end of this chapter). Concrete shall be of four-thousand-pound-per-square-inch mix, air entrained with Darex or equal, placed in one course, properly screened and finished to true grade with wooden float or steel float and broomed with a push broom having fine fibers, and shall be cured in accordance with§ A172-11F, all to the satisfaction of the Town Engineer and/or Town Superintendent of Highways.
Intersections shall be designed and shown at a scale of one inch equals
10 feet, showing existing and proposed contours 100 feet from center of intersection
in all directions and extending 25 feet beyond the right-of-way and drainage
structures, with top of grate and invert elevations. The developer shall construct
all street intersections in accordance with Figure 14 (at the end of this
chapter), except in the case of a new street intersecting an existing narrow
road, in which case it shall be modified as shown on Figure 15 (see end of
chapter).
A.
All Street signs, including street names, "Stop" signs,
"Yield" signs and other directional and traffic control signs shall be furnished
by the Superintendent of Highways and, prior to final approval, the developer
shall deliver a certified check in the amount determined by the Superintendent
of Highways to cover the actual cost of fabrication as determined by the Superintendent
of Highways.
(1)
Two sign heads each, including two aluminum panels locked
in a rigid aluminum frame consisting of parallel top and bottom extrusions
secured at the ends through end caps by stainless steel pop rivets, with two
name panels per frame (for four-way sign).
(2)
A top cap engaging centrally the top of the upper sign
head.
(3)
A crisscross set with interengaging teeth located centrally
between the sign heads (for four-way sign).
(4)
A post cap having a trough receiving centrally the bottom
of the lower sign head (for four-way sign); post cap for 2 3/8 inches
outside diameter post.
(5)
A center staff of solid three-fourths-inch-diameter metal
threaded into the top cap and extending through the sign heads between the
panels thereof, the crisscross set, the post cap and approximately five inches
beyond (for four-way sign).
(6)
A three-fourths-inch nut locked on the lower end portion
of the center staff or double nut.
(7)
A sleeve, compression spring and collar on the center
staff between the nut and post cap to secure the sign structure into a unit,
with the two-and-one-eighth-inch collar being adjacent to the nut to anchor
the sign structure against the inside wall of a mounting post and with said
spring having a yieldable compression limit allowing the sign heads to be
forcibly shifted relative to each other via the crisscross set without stressing
the sign structure.
(8)
The collar having radial cantilever springs 2 1/8
inches secured thereto for engaging the inside wall of the post for locking
the sign structure against removal therefrom.
(9)
Castings of 380 aluminum with painted, baked aluminum
enamel finish.
(10)
Extrusions of 6063-T5 aluminum alloy.
(11)
Center staff to be of hot-rolled steel with plated, threaded-end
portions.
(12)
Sign panels to be of sheet aluminum 0.050 inch thick
with a 1200 Alodine surface, having a minimum length of 19 inches and being
five inches high; larger panels required for long names. Letters shall be
white on green background. Two name panels are required for each sign.
B.
The developer shall install street name signs at all
intersections at locations within the right-of-way approved and directed by
the Town Superintendent of Highways. The sign shall be erected on a ten-foot-long,
two -and-three-eighths-inch-outside-diameter galvanized pipe. The pipe shall
be set in concrete to a depth of three feet below the ground surface.
A.
Monuments shall be set on all right-of-way lines of streets
at all street intersections, angle points, points of curve and subdivision
corners. There shall be a clear foresight and backsight to adjacent monuments
on the right-of-way line or lines on which a monument is set.
B.
Monuments shall be 36 inches long, five inches square
at the top increasing to six inches square at the bottom and shall have centered
in the top a three-eighths-inch or one-half-inch drill hole, a three-eighths-
or one-half-inch steel rod slightly protruding or some other permanent and
satisfactory center mark. Monuments shall be of cut granite free from imperfections
or of concrete, or three-foot-long, three-fourths-inch-diameter rebar with
cast caps Model No. SK-105 two-inch top for three-fourths-inch reinforced
bar, as manufactured by Surv-Kap Inc., P.O. Box 27367, Tucson, Arizona 85726;
or approved equal.
C.
Monuments shall not be set before final grading has been
completed or while frost is in the ground. They shall be set so that the top
is flush with the finished grade. They shall be so set and tamped as to prevent
settlement or shifting.
D.
The developer's licensed New York State land surveyor
shall prepare an as-built survey certifying that the location of all monuments,
boundaries, property corners, easements and rights-of-way, utility locations,
including water, electric, gas, telephone, streetlights, fire hydrants, cable
television, valves, house connections to all utilities, drainage structures,
sewer lines, curb cuts, retaining walls, site grading, road grades and all
other on-site and off-site improvements, is accurate before acceptance of
the street by the Town Board. A Mylar of the as-built survey and 12 prints,
signed and sealed, shall be submitted to the Planning Board.
E.
Property corners for all subdivisions and site plans.
All property corners shall be marked with three-fourths-inch-diameter by eighteen-inch-long
iron pipes installed by a licensed New York State surveyor, and a certified
survey showing these property corners shall be furnished to the Building Inspector
prior to issuance of a certificate of occupancy.
Where necessary and required for access, drainage, utilities or other
purposes, easements having a minimum width of 20 feet shall be provided in
the approved plans. A greater width than 20 feet shall be provided if required
by the Planning Board, Town Engineer and/or Town Superintendent of Highways.
The plat shall clearly indicate those easements which are to be dedicated
to the Town or other municipality and which easements are for the benefit
of private property owners. All easements shall be depicted on the plot plans.
Unless specifically approved by the Building Inspector, nothing shall be built,
planted or installed within any easement, including fencing, trees, bushes
and sprinkler heads. Unless specifically approved by the Planning Board, all
easements shall be entirely located on one lot and shall not straddle any
property line unless otherwise approved by the Planning Board.
Unless specifically depicted on the approved plat, or permitted by the
Town Engineer or Superintendent of Highways, no open ditches will be permitted.
House drains must be installed prior to the start of fine grading of
the streets. Such drains may be connected to catch basins, but in no case
shall any drain be connected to a street stormwater drainpipe. Drainage from
roof leaders and footing drains shall be to a positive outlet. A positive
outlet shall be deemed to include a catch basin or pipe which collects the
leader and/or footing drainage running from the end of the leader and/or footing
drain, through the curb and discharging on the travelway along the bottom
of the curbline. Where site conditions, as determined by the Town Engineer
and/or the Superintendent of Highways, make the provision of a positive outlet
impossible to achieve, the Town Engineer and/or the Superintendent of Highways
may authorize minor construction modifications where such modifications will
have no discernable impact on neighboring properties, the general public or
those intended to occupy or use the proposed structure.
A.
Culs-de-sac on local and collector streets.
(1)
Permanent culs-de-sac. Wherever a permanent dead end
is allowed on a local or collector street, a turnaround shall be constructed.
This turnaround shall take the form of a circle or teardrop, as required by
the Planning Board, and shall be constructed as shown on Figure 16 (at the
end of this chapter).
(2)
Temporary culs-de-sac.
(a)
Wherever a temporary dead end is allowed on a local or
collector street, a turnaround shall be constructed. This turnaround shall
take the form of a circle or teardrop, as required by the Planning Board,
and shall be constructed as shown on Figure 17 (at the end of this chapter).
(b)
The temporary type of cul-de-sac shall be used only when
authorized by the Planning Board because of the foreseeable future extension
of the street. The turnaround shall be completely paved.
B.
Culs-de-sac for private and key roads.
(1)
Permanent culs-de-sac. Wherever a permanent dead end
is allowed on a private or key road, a turnaround shall be constructed. This
turnaround shall take the form of a circle or teardrop, as required by the
Planning Board, and shall be constructed as shown on Figure 18 (at end of
this chapter).
(2)
Temporary culs-de-sac.
(a)
Wherever a temporary dead end is allowed on a private
or key road, a turnaround shall be constructed. This turnaround shall take
the form of a circle or teardrop, as required by the Planning Board, and shall
be constructed as shown on Figure 19 (at the end of this chapter).
(b)
The temporary type of cul-de-sac shall be used only when
authorized by the Planning Board because of the foreseeable future extension
of the street. The turnaround shall be completely paved.
A.
Sight distance for curves.
(1)
Sight distance for horizontal curves. The sight distance
for horizontal curves, excluding intersections, shall be determined by the
chord along the inside curb of the roadway. Where such chord crosses property
lines, a sight distance easement shall be furnished and said property shall
be graded and landscaped so as not to obstruct sight distance.
(2)
Sight distance for crest vertical curves. The length
of curve for crest vertical curves shall be computed as follows:
|
For S <Lcvc:
| ||||
|
Lcvc
|
=
|
AS2
1398
| ||
|
For S > Lcvc:
| |||||
|
Lcvc
|
=
|
2S -
|
1398
A
| ||
|
Where
| ||||
|
Lcvc
|
=
|
The length of the crest vertical curve in feet.
| ||
|
A
|
=
|
The algebraic difference in grades, expressed in percent.
| ||
|
S
|
=
|
The sight distance, in feet, as follows:
| ||
|
Speed
(mph)
|
Sight Distance
(feet)
| |
|---|---|---|
|
30
|
200
| |
|
40
|
275
| |
|
50
|
350
|
(3)
Sight distance for sag vertical curves. The length of
curve for sag vertical curves shall be computed as follows:
|
For S < Lsvc:
| ||||
|
Lsvc
|
=
|
AS2
400 + 3.5 S
| ||
|
For S > Lsvc:
| |||||
|
Lsvc
|
=
|
2S -
|
400 + 3.5S
A
| ||
|
Where
| |||
|
Lsvc
|
=
|
The length of the sag vertical curve in feet.
| |
|
A
|
=
|
The algebraic difference in grades, expressed in percent.
| |
|
S
|
=
|
The sight distance, in feet, as follows:
| |
|
Speed
(mph)
|
Sight Distance
(feet)
| |
|---|---|---|
|
30
|
200
| |
|
40
|
275
| |
|
50
|
350
|
B. 
Sight distance for intersections. No shrubbery, hedge
or other natural growth, fence (except a transparent fence, such as chicken
wire, in which the solid area is not more than 5% of the total area of the
fence) or wall more than two feet higher than the apex of the center line
of the street shall be located within the triangular area shown shaded in
Sketch A below at the intersection of two streets. Nor shall the limbs or
foliage on any tree obstruct vision or be permitted to grow nearer to the
ground than eight feet where such limbs or foliage overhang or are over land
within the triangular area as shown in Sketch A. No accessory off-street parking
space shall be located within the triangular area as shown in Sketch A.
The streetlight standard shall be the type used by Orange and Rockland
Utilities and will be placed in a manner and location as approved by the Town
Engineer. The distance between streetlights shall be approximately 200 feet
to 250 feet, and a streetlight shall be provided at all intersections.
All retaining walls four feet or greater in height, and all tiered (two
or more retaining walls no more than 10 feet between the back of one wall
and the front of another wall) walls having a total height six feet or greater,
shall be designed by a new York State professional engineer and shall be submitted
to the Town Engineer and Building Inspector for approval. Actual construction
of the wall shall be supervised by a New York State licensed professional
engineer. Upon completion of the wall, a written certification by a New York
State licensed professional, engineer indicating that the wall, or walls,
have been constructed as designed and inspected and approved shall be submitted.
The height of any retaining wall, or walls, shall be measured from the top
of wall to the lowest contiguous ground surface.
All items installed in connection with the development shall be maintained
by the developer prior to dedication. Such maintenance shall include but is
not limited to the following: cleaning roads, patching of potholes and sunken
trenches and removal of dirt and/or snow. Dedication shall be deemed to include
an "offer" by the developer and "acceptance" by the Town.
Final decision as to the interpretation of any part of these construction
standards shall rest with the Building Inspector, Town Engineer and/or Town
Superintendent of Highways. The Building Inspector, Town Engineer and/or Town
Superintendent of Highways may authorize minor construction modifications
where such modifications will have no discernible impact on neighboring properties,
the general public or those intended to occupy or use the proposed development.
The design and installation of sanitary sewers and all appurtenant items,
such as manholes, connections, size and type of pipe, etc. shall be as approved
by the Joint Regional Sewerage Board and the Town Engineer.
