[HISTORY: Adopted by the Board of Trustees
of the Village of Lindenhurst 8-28-1968 by Ord. No. 1-1968 as Ch. 96 of the 1968
Code of the Village of Lindenhurst. Amendments noted where applicable.]
A.
The subgrade area shall be cleared of fences, trees,
logs, stumps, brush, vegetation, rubbish and any other perishable
or objectional matter. The area shall be stripped of all topsoil,
and any other unsuitable material encountered shall be removed and
replaced with material suitable for fill under pavements.
B.
The subgrade shall be properly prepared by bringing
to the designed line and grade the suitable materials available at
hand, if any, or such other suitable materials as loam, course sand,
gravel, stone dust or cinders. These subgrade materials shall be mixed,
stabilized, compacted and rolled with a ten-ton roller, in such a
manner as to produce a stable surface upon which the stone base will
be placed. If materials are sandy or of such consistency that they
will not produce a hard surface, additional loam of approved quality
free from all vegetable or other foreign matter shall be added. The
subgrade shall be rolled thoroughly with a roller weighing not less
than 10 tons until the entire surface is firm and will not heave or
be otherwise distorted by the rolling operation. If any soft or other
unstable areas develop within the surface limits of the pavement,
the deleterious material shall be removed and suitable material replaced
and rolled so that a proper subgrade true to line and grade is produced.
Before the stone base is placed, this subgrade must be approved and
accepted by the Engineer or Superintendent of Public Works.
A.
Upon the subgrade, a base course of broken stone shall
be uniformly placed so that after rolling and compacting a minimum
depth of four and one-half (4 1/2) inches is obtained. The broken
stone shall consist of clean hard, tough durable traprock resistant
to wear and frost and free from an injurious amount of deleterious
substances. An excess of flat or elongated fragments will be cause
for rejection.
B.
Broken stone shall be free from dust or dust coating
and shall conform to the following sizes:
Passing Square Opening
|
Retained Square Opening
|
Percent by Weight
|
---|---|---|
2-inch
|
1 1/2-inch
|
45 to 65
|
1 1/2-inch
|
1-inch
|
35 to 55
|
1-inch
|
0 to 10
|
C.
The stone shall be evenly spread to a thickness that
will produce the required thickness of the course after compaction.
D.
After the foundation course has been laid loose, it
shall be shaped and rolled with a self-power roller weighing at least
10 tons. Rolling shall be continued until a firm, even surface of
the required cross section is obtained. Any defects in the grade of
the surface shall be corrected while rolling. Should the subgrade
material be churned up and mixed with the foundation course through
any reason whatsoever or the surface of the foundation course become
filled with mud or dirt before the course has been filled, rolled
and completed, the affected areas shall be removed and replaced with
clean stone. In confined areas not accessible to rollers, pneumatic
tampers shall be used.
E.
Upon the compacted stone base, hot asphalt, of Penetration
Grade 85-100, shall be applied uniformly over the entire surface at
the rate of two gallons per square yard. The asphalt shall be heated
to a temperature of between two hundred seventy-five degrees and three
hundred degrees Fahrenheit (250° and 300° F.) and distributed
evenly over the entire surface by the use of an approved pressure
distributor operating under a pressure of 50 pounds per square inch.
F.
In small areas or adjacent to structures, application
may be made with hand pots. In spreading adjacent strips, the material
shall not lap over the previous application. Adjacent concrete pavement,
curbs and structures shall be protected from asphalt by paper or sand
covering.
G.
Asphalt Cement Grade 100-120 will be required in cool
weather, that is below 50° F.; application shall not be made when
in temperature below 35° F.
H.
Immediately after penetrating the stone base, there
shall be evenly distributed broken stone filler at the rate of 40
pounds per square yard, or more, to the entire surface.
I.
Broken stone filler shall be free from dust or dust
coating graded as follows:
Passing Square
|
Retained Square
|
Percentage by Weight
|
---|---|---|
1-inch
|
5/8-inch
|
0 to 10
|
5/8-inch
|
3/8-inch
|
50 to 70
|
3/8-inch
|
1/4-inch
|
20 to 40
|
1/4-inch
|
0 to 10
|
J.
The stone shall be broomed to fill all surface voids
without forming a distinct layer. While the asphalt is still warm,
the surface shall be rolled with a ten-ton roller. After the first
rolling, the surface shall be broomed and additional filler added
where necessary. Rolling and brooming shall be continued until voids
are filled and the foundation is compacted to true and even surface
at the established grade. All loose stone shall be removed before
the next course is placed.
A.
Materials.
(1)
Asphalt cement. The asphalt cement shall meet the
following requirements:
(a)
It shall be homogeneous and free from water.
(b)
The specific gravity at 77° F. shall be
between 1.00 and 1.04 for petroleum asphalts.
(c)
The penetration at 77° F., 100 grams, five
seconds shall be not less than 85 nor more than 100.
(d)
The percent penetration at 77° F., 100 grams,
five seconds shall be not less than 30.
(e)
The percent penetration at 39.2° F., 200
grams, one minute to the penetration at 77° F., 100 grams, five
seconds shall be not less than 30.
(f)
The loss on heating at 325° F. shall be
not more than a percent, and the penetration of the residue shall
be not less than 60.
(g)
It shall have a solubility in carbon tetrachloride
of not less than 99.5% for petroleum asphalts.
(h)
It shall not flash below 34.7° F. when tested
by the Cleveland Open Cup Method.
(i)
The ductility at 77° F. shall not be less
than 60.
(2)
Asphaltic concrete.
(a)
After the base course has been completed, a
one-course surfacing of one-and-one-half-inch asphaltic concrete shall
be placed. The asphaltic concrete shall consist of a uniform mixture
of broken stone, sand, mineral filler and hot asphalt cement which,
when tested by means of laboratory sieves and screens, shall meet
the following weight requirements:
Material
|
Sieve Size Square Openings
|
Percent Passing By Weight
|
---|---|---|
Broken stone
|
1/2-inch
|
100
|
Broken stone
|
3/8-inch
|
50 to 100
|
Sand and stone screenings
|
No. 4
|
30 to 70
|
Sand and stone screenings
|
No. 10
|
22 to 45
|
Sand and stone screenings
|
No. 40
|
12 to 45
|
Sand and stone screenings
|
No. 80
|
7 to 20
|
Sand and stone screenings
|
No. 200
|
3 to 6
|
(b)
Normal asphalt content is 5% to seven and one-half
percent (7 1/2%) by weight of total mix. The upper limit may
be raised when using absorptive aggregate.
(c)
The course aggregate shall consist of clean,
durable, broken stone showing a percent of wear, when tested by the
Deval method, ASTM Designation D-2-33, or subsequent revisions, of
not more than 3.5. It shall show not over 10% loss when subjected
to five cycles of a sodium or magnesium sulphate soundness test, ASTM
Designation C-88-41T, or subsequent revisions. Course aggregate shall
be considered to be that portion retained on the No. 4 sieve.
(3)
Fine aggregate. Fine aggregate shall consist of clean,
natural-washed sand, rock sand, stone screenings from approved rock
or a combination of any of these materials.
B.
Construction methods.
(1)
Preparation. Prior to the arrival of the mixture on
the job, the foundation course shall be cleaned of all loose and foreign
materials and shall be in satisfactory condition. Contact surfaces
of curb and gutters and other structures shall be painted with a thin,
uniform coating of asphalt material before the course is placed.
(2)
Placement.
(a)
The pavement shall then be deposited on the
base course by a mechanical spreader and rolled to a thickness of
one and one-half (1 1/2) inches after compaction by a ten-ton
two-wheel roller. Rolling shall continue until all irregularities
and roller marks disappear and the surface shows no further compressability.
All pavement not accessible to the roller shall be tamped with heated
tampers weighing not less than 25 pounds each, having a bearing area
not exceeding 48 square inches.
(b)
The finished surface shall be smooth and even
and shall not vary more than one-fourth (1/4) inch in 10 feet from
the cross section or more than three-eights (3/8) inch from true elevation.
(c)
Material shall not be placed on wet base or
placed while rain or snow is falling. No material shall be placed
when the temperature is below 32° F.
A.
The subbase area shall be cleared of fences, trees,
logs, stumps, brush, vegetation, rubbish and any other perishable
or objectionable matter. The area shall be stripped of all topsoil,
and any other unsuitable material encountered shall be removed and
replaced with material suitable for fill under pavements.
B.
The subbase shall be properly prepared by bringing
to the designed line and grade the suitable materials available at
hand, if any, or such other suitable materials as loam, course sand,
gravel, stone dust or cinders. These subbase materials shall be mixed,
stabilized, compacted and rolled with a ten-ton roller, in such a
manner as to produce a stable surface upon which three coats of oil
will be placed. If materials are sandy or of such consistency that
they will not produce a hard surface, additional loam of approved
quality free from all vegetable or other foreign matter shall be added.
The subbase shall be rolled thoroughly with a roller weighing not
less than 10 tons until the entire surface is firm and will not heave
or be otherwise distorted by the rolling operation. If any soft or
other unstable areas develop within the surface limits of the pavement,
the deleterious material shall be removed and suitable material replaced
and rolled so that a proper subbase true to line and grade is produced.
Before commencing to oil, this subbase must be approved and accepted
by the Engineer or Superintendent of Public Works.
A.
After the subbase has been approved, one-half (1/2)
gallon of MC-2 per square yard shall be applied with a blotter coat
of sand sufficient to absorb any excess oil and rolled with a ten-ton
roller.
B.
Within 60 days, but not less than 15 days after applying
the first coat of oil, 1/2 gallon of RC-2 per square yard shall be
applied and covered with 3/8-inch crushed stone at 25 pounds per square
yard, broomed, rolled with a ten-ton roller and all excess stone removed.
C.
Within one year, but not less than 90 days after applying
the second coat of oil, 1/2 gallon of RC-2 per square yard shall be
applied and covered with 3/8-inch crushed stone at 25 pounds per square
yard, broomed, rolled with a ten-ton roller and all excess stone removed.