[Added 5-10-1995 by L.L. No. 2-1995]
Plans showing original and finished grades and plans showing proposed
drainage facilities shall be submitted to the Town Planning Board and the
Town Superintendent of Highways before final subdivision plot approval can
be given. No construction shall be commenced until such approval has been
given.
[Added 5-10-1995 by L.L. No. 2-1995]
A. General.
(1) The contractor shall remove all rock, earth and other
material required by the plans for the full width of the road property. He
shall dispose of this material as required.
(2) Earth embankments shall be constructed to established
lines and grades for the full width of the road property at the locations
shown on the plans. Embankment material shall be natural soil free from excessive
moisture, frost, stumps, trees, roots, sod, muck, marl, vegetable matter or
other unsuitable materials. Embankment material shall be obtained from approved
borrow pits and shall be well graded from fine to coarse with a minimum content
of silt.
(3) Where embankments are to be placed under water, only
acceptable granular material shall be used. All materials shall be suitable
for compaction in layers not exceeding eight inches in thickness and shall
remain stable when wet.
B. Stripping.
(1) Prior to the commencement of excavation or fill, stripping
shall be conducted to remove all topsoil, roots, organic matter, rubbish or
other debris for the full width of the road property.
(2) Usable topsoil from stripping shall be stockpiled for
future use at approved locations outside the limits of the road property.
C. Material to be used.
(1) If there is not sufficient excavated material of a suitable
quality at the site to complete the embankment, subgrades and backfilling
to the required lines and grade, the contractor shall borrow the necessary
additional materials. The source and acceptability of the borrow material
shall be subject to the approval of the Highway Superintendent at all times.
(2) The contractor shall request the Highway Superintendent's
approval of proposed borrow areas at least five days before taking any material
from such areas. All test pits, explorations and laboratory tests required
by the Highway Superintendent to evaluate the acceptability of borrow shall
be done by the contractor at his own expense.
D. Placing.
(1) In general, embankment materials shall be placed in horizontal
layers not exceeding eight inches in thickness, measured after compaction,
and shall be thoroughly compacted. Stones, if any, shall not exceed six inches
in greatest dimensions and shall be well distributed through the mass.
(2) Each layer of embankment material shall be thoroughly
tamped or rolled to the required degree of compaction by sheepsfoot or pneumatic
rollers, mechanical tampers or vibrators. Successive layers shall not be placed
until the layer under construction has been thoroughly compacted.
(3) Trucks or other heavy equipment shall not be operated
over pipelines until a minimum of 36 inches of backfill above the crown of
the pipe has been placed and properly compacted.
E. Compaction control.
(1) Embankment shall have a minimum dry density of 95% of
the maximum dry weight density in pounds per cubic foot as determined by the
American Association of State Highway Officials (AASHO) standard density test
or the Proctor compaction test.
(2) All laboratory tests required by the Highway Superintendent
shall be done by an approved testing laboratory at the contractor's expense.
(3) When the test results indicate that insufficient compaction
has been obtained in any layer, the contractor shall take such action as the
Highway Superintendent may direct to modify or alter the moisture content
of the soil, to provide additional compaction or otherwise to increase the
in-place soil density.
[Added 5-10-1995 by L.L. No. 2-1995]
A. The contractor shall prepare the subgrade to receive
the pavement and concrete gutters in conformity with the lines and grades
as shown on the plans. Before the subbase material is placed upon the subgrade,
it shall be shaped to line and grade and 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 shall
be rolled. Granular materials used to fill depressions shall consist of approved
hard, durable particles 100% of which shall pass a one-half-inch sieve and
not more than 5% of which shall pass a No. 200 sieve. This process of shaping
and rolling and filling shall be repeated until no depressions develop. The
subgrade shall not be muddy nor otherwise unsatisfactory when the subbase
material is placed upon it. If soft spots develop during the rolling, the
material shall be removed and replaced with acceptable granular material as
above.
B. A layer of Mirafi 500X fabric or approved equal shall
be placed directly upon the prepared subgrade to the width of the proposed
pavement limits, including concrete gutters or shoulders, unless placement
is waived by the Town Highway Superintendent.
[Added 5-10-1995 by L.L. No. 2-1995]
The subbase course shall be constructed in accordance with the plans
and with Item 304.03, Type 2, consisting only of crushed limestone and with
Item 304.05, Type 4, of the New York State Department of Transportation Specifications,
dated January 2, 1990.
[Added 5-10-1995 by L.L. No. 2-1995]
The surface course shall be constructed in accordance with the plans
and Section 403, Items 403.13 and 403.1901, and with Section 407, Item 403.0101,
of the New York State Department of Transportation Specifications, dated January
2, 1990.
[Added 5-10-1995 by L.L. No. 2-1995]
Concrete gutters shall be constructed in conformance with the plans
and with Item 624.01 of the New York State Department of Transportation Specifications,
dated January 2, 1990. Air-entrained concrete shall be used for all concrete
gutters. Where directed by the Town Highway Superintendent, the contractor
shall place under concrete gutters four-inch drain tile connected to the storm
sewer system.
[Added 5-10-1995 by L.L. No. 2-1995]
A. Rough grading must be completed before the construction
of any utilities is commenced.
B. The subgrade must be inspected and approved by the Town
Highway Superintendent before the subbase course, including the layer of Mirafi
500X fabric or approved equal, is placed.
C. The subbase course must be inspected and approved by
the Town Highway Superintendent before the binder course is placed.
D. No part of the binder course or concrete gutters shall
be constructed until six months after the installation of all utilities and/or
until written permission is given by the Town Highway Superintendent.
E. No part of the top course shall be constructed until
12 months after the installation of all utilities and until written permission
is given by the Town Highway Superintendent.
Proper size culverts shall be used after approval by the Town Superintendent
of Highways. No ditch crossing shall be less than 12 inches in diameter, or
larger if required, and such crossings should be graded to Town Superintendent
specifications at each location.