1095PAVEMENT MARKINGS

Pavement Markings Art. 1095.01 1089

1095.01Thermoplastic Pavement Markings. This material shall be a mixture

of resins and other materials providing an essentially nonvolatile thermoplastic compound especially developed for traffic markings.

one of which is solid at room temperature. The solid resin shall be a hydrocarbon or alkyd resin. The total binder content of the thermoplastic compound shall be well distributed throughout the compound. The binder shall be free from all foreign objects or ingredients that would cause bleeding, staining, or discoloration. The binder shall be 18 percent minimum by weight of the thermoplastic compound. The binder shall be characterized by an IR Spectra. Future shipments of binder will be checked by an IR Spectra to verify that the binder has not been changed.

be a high-grade pure (minimum 93 percent) titanium dioxide (Ti0 2). The white pigment content shall be a minimum of ten percent by weight and shall be uniformly distributed throughout the thermoplastic compound.

The pigments used for the yellow thermoplastic compound shall not contain any hazardous materials listed in the Environmental Protection Agency Code of Federal Regulations (CFR) 40, Section 261.24, Table 1. The combined total of RCRA listed heavy metals shall not exceed 100 ppm when tested by X-ray fluorescence spectroscopy. The pigments shall also be heat resistant, UV stable and color-fast yellows, golds, and oranges, which shall produce a compound which shall match Aerospace Material Specification Standard 595 33538 (Orange Yellow). The pigment shall be uniformly distributed throughout the thermoplastic compound.

white calcium carbonate, silica, or an approved substitute. Any filler which is insoluble in 6N hydrochloric acid shall be of such particle size as to pass a No. 100 (150 µm) sieve.

thermosplastic pavement marking material shall meet the requirements of Article 1095.07. The glass beads shall be uniformly mixed throughout the material at the rate of not less than 30 percent by weight of the thermoplastic compound, retained on a No. 100 (150 µm) sieve.

Art. 1095.01 Pavement Markings 1090

toxic or otherwise injurious to persons or property. The manufacturer shall provide safety data sheets for the product.

material shall remain constant and the material shall not deteriorate in any manner during reheating processes.

result of repeated heatings or from batch to batch. The maximum elapsed time after application after which normal traffic will leave no impression or imprint on the new stripe shall be two minutes at 50 °F (10 °C) or five minutes at 90 °F (32 °C) pavement temperature. After application and proper drying, the material shall show no appreciable deformation or discoloration, shall remain free from tack, and shall not lift from the pavement under normal traffic conditions within a road temperature range of -20 to 150 °F (-29 to 66 °C). The stripe shall maintain its original color, dimensions and placement.

Cold ductility of the material shall be such as to permit normal dimensional distortion as a result of traffic impact within the temperature range specified.

thickness throughout its cross section and has the density and character to provide a sharp edge of the line.

heating for four hours ± five minutes at 425 ± 3 °F (218.3 ± 2 °C) and cooled at 77 °F (25 °C) shall meet the following requirements for daylight reflectance and color, when tested, using a color spectrophotometer with 45 degree circumferential/zero degree geometry, illuminant C, and two degree observer angle. The color instrument shall measure the visible spectrum from 380 to 720 nm with a wavelength measurement interval and spectral bandpass of 10 nm.

White Daylight Reflectance 75 % min. Yellow * Daylight Reflectance 45 % min.

*Shall match Aerospace Material Specification Standard 595 33538 (Orange Yellow) and the chromaticity limits as follows.

x 0.490 0.475 0.485 0.530 y 0.470 0.438 0.425 0.456

± five minutes at 425 ±3 °F (218.3 ±2 °C), the specific gravity of the thermoplastic material shall be from 1.8 to 2.4 when determined

Pavement Markings Art. 1095.01 1091 according to ASTM D 153, Method A, using kerosene as the immersion liquid.

than 0.5 percent by weight of retained water when tested by ASTM D 570, “Water Absorption of Plastics,” Procedure (a).

hours ± five minutes at 425 ±3 °F (218.3 ±2 °C) and testing in accordance with ASTM E 28, the material shall have a softening point between 200 to 240 °F (93.3 to 115.6 °C) as measured by the ring and ball method.

four hours ± five minutes at 425 ±3 °F (218.3 ±2 °C), the tensile bond strength to unprimed, sandblasted portland cement concrete block, 0.0625 in. (1.587 mm) thick film drawn down at 425 °F (218.3 °C), tested at 75 ±2 °F (23.9 ±1 °C) shall exceed 150 psi (1,030 kPa) when tested according to ASTM D 4796.

± five minutes at 425 ±3 °F (218.3 ±2 °C), the white thermoplastic material shall not exceed a yellowness index of 12 when tested in accordance with ASTM D 1925.

hours ± five minutes at 425 ± 3 °F (218.3 ± 2 °C), the thermoplastic shall be applied to a steel wool abraded aluminum alloy panel (Federal Test Std. No. 141, Method 2013) at a film thickness of 30 mils (0.75 mm) and allowed to cool for 24 hours at room temperature. The coated panel shall be subjected to accelerated weathering using the light and water exposure apparatus (fluorescent UV - condensation type) for 75 hours according to ASTM G 53 (equipped with UVB-313 lamps).

The cycle shall consist of four hours UV exposure at 122 °F (50 °C) followed by four hours of condensation at 104 °F (40 °C). UVB 313 bulbs shall be used. At the end of the exposure period, the panel shall not exceed 10 Hunter Lab Delta E units from the original material.

containers which will not adhere to the product during shipment and storage. The container of thermoplastic material shall weigh approximately 50 lb (22.7 kg), and shall be delivered on pallets, 40 containers per pallet. The lot size shall be approximately 44,000 lb (20,000 kg) unless the total order is less than that amount.

Each container of material shall be stenciled with the manufacturer's name, the type of material (alkyd or hydrocarbon), color of material (white or yellow), IDOT specification number (1095.01), the month and

Art. 1095.01 Pavement Markings 1092 year the material was packaged and the lot number. Lot numbers must begin with the last two digits of the year manufactured and be sequential with lot 1; i.e., the first lot manufactured in 1997 should be labeled 97-1. The letters and numbers used in the stencils shall be a minimum of 1/2 in. (12.7 mm) in height.

in dry storage for a minimum of one year, providing the temperature does not exceed 104 °F (40 °C). The thermoplastic must also melt uniformly with no evidence of skins or unmelted particles and meet all requirements of this specification for one year after delivery. Any material not meeting the above requirements shall be disposed of by the vendor and immediately replaced with acceptable material entirely at the vendor’s expense, including handling and transportation charges.

and ingredient materials to the Engineer of Materials, 126 East Ash Street, Springfield, Illinois, 62704-4766 for testing. The thermoplastic and ingredient materials shall be representative of the materials used/made and may not be changed without approval of the Department. All samples shall be provided in friction-top metal containers in the quantities specified. (Approximately 30 days are required to complete testing of the qualification samples.)

sampled and tested in accordance with the latest published standard methods of the ASTM, and revisions thereof, in effect on the date of the invitation for bids, where such standard methods exist. In case there are no ASTM Standards which apply, applicable standard methods of the American Association of State Highway and Transportation Officials, or the Federal Government, or of other recognized standardizing agencies shall be used. The sample(s) shall be labeled with the shipment number if applicable, lot number, date, quantity and any other pertinent information.

Thermoplastic. At least three randomly selected containers shall be obtained from each lot. A 1 gal (4 L) composite sample of the three containers shall be submitted for testing and acceptance.

Pavement Markings Art. 1095.02 1093

witnessed by a representative of the Bureau of Materials and shall be submitted to the Engineer of Materials, 126 East Ash Street, Springfield, Illinois 62704-4766 at least 30 days in advance of the pavement marking operations. The right is reserved to inspect the material either at the place of manufacture or at the destination or at both places. If inspected at the place of manufacture, the manufacturer shall furnish such facilities as may be required for collecting and forwarding samples, and shall also furnish facilities for testing the material during the process of manufacture, if required. Tests will be made by and at the expense of the Department. Random check samples may be taken at the job site at the discretion of the Engineer.

10,000 lb (4,500 kg) of thermoplastic produced. Minimum tests required shall be a softening point determination and color. Manufacturer's test results shall be submitted along with the thermoplastic sample to the Bureau of Materials.

18 months.

bills of lading for all material inspected. Bills of lading shall indicate the consignee and destination, date of shipment, lot numbers, quantity, type of material, name and location of source.

will be based on the following.

received.

thermoplastic pavement marking material shall meet the requirements of Article 1095.07, Type B. The beads shall be applied uniformly at a minimum rate of 8 lb/100 sq ft (39 kg/100 sq m).

1095.02Paint Pavement Markings. All materials shall meet the following

paint specification unless a shortage of raw materials precludes the production of paint which will meet the materials portion of this section. If the shortage can be documented to the satisfaction of the Engineer, then an alternate formulation will be allowed. Any alternate formulation shall comply with the latest volatile organic matter

Art. 1095.02 Pavement Markings 1094

Administrative Code.

The finished paint shall be formulated and manufactured from first-grade materials. It shall be free from defects and imperfections that might adversely affect the serviceability of the finished product. It shall be completely free from dirt and other foreign material and shall dry within the time specified to a good, tough, serviceable film. The paint shall show no evidence of excessive settling, gelling, skinning, spoilage or livering upon storage in the sealed shipping containers under normal above freezing temperatures within twelve months of delivery. Any settled portion shall be easily brought back into suspension by hand mixing. When the settled portion is brought back into suspension in the vehicle, the paint shall be homogeneous and shall not show a viscosity change of more than 5 KU from the original viscosity. Any paint that has settled within the period of twelve months after delivery to the degree that the settled portion cannot be easily brought into suspension by hand mixing shall be disposed of by the vendor and immediately replaced with acceptable material entirely at the vendor’s expense, including handling and transportation charges. The paint, when applied by spraying methods to a hot-mix asphalt pavement, shall not be discolored due to the solvent action of the paint on the surface.

Titanium Dioxide Pigments, ASTM D 476, Type II, Rutile. A notarized certificate of compliance from the pigment manufacturer shall be required.

Yellow 65: Engelhard 1244 or equivalent.

Calcium Carbonate Pigments, ASTM D 1199, Type GC, Grade I, with minimum of 95 percent Calcium Carbonate or Type PC, minimum 98 percent Calcium Carbonate.

Dow Chemical DT-211.

Methyl Alcohol, ASTM D 1152.

equivalent

Pavement Markings Art. 1095.02 1095

containers and shall be used without adulteration. The containers shall be marked with type of material, name of manufacturer and lot number.

The manufacturer shall furnish to the Department the batch formula which will be used in manufacturing the paint.

No change shall be made in this formula without prior approval by the Department and no change will be approved that adversely affects the quality or serviceability of the paint.

The following Standard Formulas shall be the basis for the paint. The finished products shall conform on a weight basis to the composition requirements of these formulas. No variations will be permitted, except for the replacement of volatile lost in processing. Amounts are shown in pounds (kilograms) of material.

White Yellow lb (kg) lb (kg) C.I. Pigment Yellow 65 --- 32 (14.52) Titanium Dioxide, Rutile, Type II 100 (45.36) 21 (9.53) Calcium Carbonate, Type PC 150 (68.04) 150 (68.04) Calcium Carbonate , Type GC 430 (195.05) 465 (210.92) Rheology Modifier 0.5 (0.23) 0.5 (0.23) Acrylic Emulsion, 50% Solids 541 (245.40) 535 (242.68) Coalescent 24 (10.89) 23 (10.43) Defoamer 5 (2.27) 5 (2.27) Dispersant 8 (3.63) 9 (4.08) Surfactant 2 (0.91) 2 (0.91) Methyl Alcohol 29 (13.15) 28 (12.70) Preservative 1.5 (0.68) 1.5 (0.68) Water 10 (4.54) 10 (4.54) Total 1301 (590.15) 1282 (581.53)

following.

White Yellow Organic Yellow 65 (%) --- Min. 4.8 Titanium Dioxide (%) Min. 13.4 Min. 2.8 Calcium Carbonate (%) Max. 86 Max. 93

The percent pigment by weight of the finished product shall not be less than 50 percent nor more than 54 percent.

Art. 1095.02 Pavement Markings 1096

100 percent acrylic polymer and shall not be less than 44 percent by weight.

volatile organic matter per liter of total paint. (ASTM D 3960)

non-volatile by weight. (ASTM D 2369)

shall not vary more than plus or minus 0.20 lb/gal (0.024 kg/L) from the weight of the qualification samples.

than 98 Kreb units at 77 °F (25 °C).

accordance with Federal Specification, Method 141 a, No. 4121, Procedure B when applied at a wet film thickness of 15 mils (0.38 mm).

of 15 mils (0.38 mm) and allowed to dry 24 hours, shall meet the following requirements for daylight reflectance and color, when tested, using a color spectrophotometer with 45 degrees circumferential/zero degree geometry, illuminant C, and two degree observer angle. The color instrument shall measure the visible spectrum from 380 to 720 nm with a wavelength measurement interval and spectral bandpass of 10 nm.

White Daylight Reflectance (Y) 85 % min. Yellow * Daylight Reflectance (Y) 50 % min.

*Shall match Aerospace Material Specification Standard 595 33538 (Orange Yellow) and chromaticity limits as follows.

x 0.490 0.475 0.485 0.530 y 0.470 0.438 0.425 0.456

TT-P-1952D, Section 3.2.5.

consistency greater than 10 Kreb Units, when tested according to Federal Specification TT-P-1952D, Section 4.3.8.

discoloration, or change in consistency greater than 10 Kreb Units when tested according to Federal Specification TT-P-1952D, Section 4.3.4.

Pavement Markings Art. 1095.02 1097

without curdling or precipitation such that the wet paint can be readily cleaned up with water only.

container, the paint shall show no caking that cannot be readily remixed to a smooth, homogenous state, no skinning, livering, curdling or hard settling. The viscosity shall not change more than 5 Kreb units from the viscosity of the original sample.

The test shall follow the requirements of ASTM D 711 with a wet film thickness of 15 mils (0.38 mm).

Gauge.

according to Federal Specification TT-P-1952D, Section 4.3.5.

at a wet film thickness of 15 mils (0.38 mm) and placed in a humidity chamber controlled at 90 ±5 percent R.H. and 72.5 ±2.5 °F (22.5 ±1.4 °C) shall have a “dry through time” not greater than 15 minutes of the IDOT standard formula. The dry through time shall be determined according to ASTM D 1640, except that the pressure exerted shall be the minimum needed to maintain contact with the thumb and film.

condition under traffic in three minutes maximum when applied at 15 ±1 mil (0.38 ±0.03 mm) wet film thickness at 130 –150 °F (54.4 -65.6 °C), and from three to ten minutes when applied at ambient temperatures with 6 lb (0.72 kg) of glass beads per gal (L) of paint. “No-tracking” shall be the time in minutes required for the line to withstand the running of a standard automobile over the line at a speed of approximately 40 mph (65 km/hr), simulating a passing procedure without tracking of the reflectorized line when viewed from a distance of 50 ft (15 m).

East Ash Street, Springfield, Illinois 62704-4766, for test purposes, three 1 pt (1/2 L) qualification samples of material representative of that which he/she proposes to produce.

Along with the samples, the paint manufacturer shall furnish a copy of his/her batching formula and a list of the trade names and manufacturers of the ingredient materials proposed for use. Product data sheets shall be provided as verification of the ingredient materials conformity with the specification requirements. No changes shall be made without prior approval by the Department.

Art. 1095.02 Pavement Markings 1098

sampled and tested in accordance with the latest published standard methods of the American Society for Testing and Materials, and revisions thereof, in effect on the date of manufacture, where such standard methods exist. In case there are no ASTM Standards which apply, applicable standard methods of the American Association of State Highway and Transportation Officials, or of the Federal Government, or of other recognized standardizing agencies shall be used.

manufacture or after its arrival at destination. If inspected at the place of manufacture, the manufacturer shall furnish such facilities as may be required for collecting and forwarding samples of ingredient materials and finished paint and for performing the inspection of the paint during the process of manufacture. Before manufacture of the paint is started, the ingredient materials shall be set aside at the manufacturer’s plant and shall be sampled by an authorized representative of the Department. All materials represented by these samples shall be held until tests have been made and the materials found to comply with the requirements of the specifications. Approximately 30 days are required to test the ingredient materials. The Department has the option to waive inspection of ingredient materials. During the manufacturing operations, the Department's representative shall have free entry at all times to such parts of the plant as concern the manufacture of the paint. All tests will be made by and at the expense of the Department.

All material samples for acceptance tests shall be taken or witnessed by a representative of the Bureau of Materials and shall be submitted to the Engineer of Materials, 126 East Ash Street, Springfield, Illinois 62704-4766.

shipped in new 55 gal removable head, steel drums meeting the latest regulations of the United States Department of Transportation for shipping containers for this type of material. The drums shall be lined with a non- corrosive lining compatible with the waterborne paint. The opening in the drum shall be circular, and the diameter of the opening shall be substantially the diameter of the inside of the end of the drum. The drum shall be provided with gaskets of one-piece tubular neoprene construction and shall be completely airtight. The closure shall be securely attached to the drum by a bolt-action-type ring that shall enclose the edge of the lid and the chime of the drum. The closure bolt shall be tightened to a minimum of 40 ft lb (54 N m) torque, and a lock nut shall be securely tightened against the threaded end of the anchor. The white paint shall be packaged in white drums with white lids, and the yellow paint shall be packaged in white drums with yellow lids.

Fifty-five gallons of paint shall be placed in each drum, leaving approximately 2 in. (5 cm) of air space. The paint will be measured by volume, the unit of measure being a gallon [231 cu in. at 77 °F (25 °C)].

Pavement Markings Art. 1095.03 1099 Each drum shall be stenciled on the removable head and on the side to show the kind of paint contained therein, the manufacturer's name, the lot number, and the month and year the paint is packaged.

marking paint shall be according to the requirements of Article 1095.07, Type B.

1095.03Preformed Plastic Pavement Markings. The material shall consist of

white or yellow (as specified) weather resistant reflective film according to the requirements specified herein.

Where contrast markings are specified, the white or yellow reflective film shall be bordered along both the left and right edges by a 1.5 in. (38 mm) wide black weather resistant nonreflective film also meeting the requirements specified herein.

polymeric plastic materials, pigments, and glass beads and shall be furnished with a pressure sensitive precoated adhesive.

The markings shall have the following minimum composition without adhesive.

Components Minimum Percent by Weight White or Yellow Black Resins and Plasticizers 20 % 20 % Pigment and Fillers 30 % 30 % Graded Glass Beads 25 % -

The remaining percentage shall be comprised of the above materials in various proportions.

Type D shall include a layer of wet retroreflective media, incorporated to provide immediate and continuing retroreflection during both wet and dry conditions, bonded to a durable polyurethane topcoat surface.

The embossed patterned surface of Type B and Type D shall have approximately 40 ± 10 percent of the surface area raised and presenting a near vertical face to traffic from any direction. The channels between the raised areas shall be substantially free of exposed reflective elements or particles.

contours, breaks, faults, etc. through the action of traffic at all pavement temperatures. The film shall have resealing characteristics and shall be capable of fusing with itself or with previously applied marking material.

adhesive, shall be at least 60 mils (1.50 mm).

Art. 1095.03 Pavement Markings 1100 Type B and D material shall feature an embossed pattern with a minimum thickness of 65 mils (1.65 mm) measured at the thickest point of the patterned cross section and a minimum of 20 mils (0.508 mm) measured at the thinnest point of the cross section.

provide a neat, durable marking that will not flow or distort due to temperature if the pavement surface remains stable. The markings shall provide a cushioned resilient substrate that reduces bead crushing and loss. The markings shall be weather resistant and, through normal traffic wear, show no appreciable fading, lifting, tearing, rollback, or other signs of poor adhesion.

minimum skid resistance values when tested according to ASTM E 303.

Type B 45 BPN Type C Type D 55 BPN 45 BPN

strength of cross section when tested according to ASTM D 638-76 using a jaw speed of 10 to 12 in./min (250 to 300 mm/min).

Type B Not Applicable Type C Type D 150 psi (1033 kPa) Not Applicable

tested according to ASTM D 638-76 using a jaw speed of 10 to 12 in./min (250 to 300 mm/min).

Type B Not Applicable Type C Type D 50% Not Applicable

yellow and white portions of the material only. A top coating of beads shall be bonded to or directly embedded into the surface of the markings in order to produce immediate retroreflectivity.

The glass beads shall be colorless and have a minimum index of refraction of 1.50 when tested using the liquid immersion method.

Type B and D material shall have an innermix of glass beads with a minimum index of refraction of 1.50 and a top coating of ceramic beads bonded to top urethane wear surface with a minimum index of refraction of

1.70Beads with an index of refraction greater than 1.80 shall not be used

Pavement Markings Art. 1095.03 1101 Type C material shall have a layer of skid resistant ceramic particles bonded to the top urethane wear surface. The urethane wear surface shall have a nominal thickness of 5 mils (0.13 mm).

The bead adhesion shall be such that beads are not easily removed when the film is scratched firmly with a thumb nail.

dead weight of 4 lb (1.8 kg) for not less than five minutes at a temperature between 70 and 80 °F (21 and 27 °C).

be a high grade pure (minimum 89 percent) titanium dioxide (TiO 2). The white pigment content shall not be less than ten percent by weight and shall be uniformly distributed throughout the compound.

The pigment used for the yellow preformed plastic compound shall be colorfast yellows, golds, and oranges. The yellow pigment content shall not be less than three percent by weight and shall be uniformly distributed throughout the compound.

requirements for daylight reflectance and color, using a color spectrophotometer with 45 degrees circumferential/zero degree geometry, illuminant D65, and two degree observer angle. The color instrument shall measure the visible spectrum from 380 to 720 nm with a wavelength measurement interval and spectral bandpass of 10 nm.

Type B and D White Daylight reflectance, Y 65% min. *Yellow Daylight reflectance, Y 36 to 59%

Type C White Daylight reflectance, Y 80% min. *Yellow Daylight reflectance, Y 36 to 59%

*Shall match Aerospace Material Specification Standard 595 33538 (Orange Yellow) and the chromaticity limits as follows.

x 0.490 0.475 0.485 0.530 y 0.470 0.438 0.425 0.456

minimum reflectance values at 0.2 degrees and 0.5 degrees observation angles and 86.0 degrees entrance angle as measured according to the photometric testing procedure of ASTM D 4061. The photometric quantity to be measured shall be Specific Luminance (SL), and shall be expressed as millicandelas/footcandle/sq ft (millicandelas/lux/sq m). The test distance shall be 50 ft (15 m) and the sample size shall be a 3.0 x 0.5 ft (900 x 150 mm) rectangle. The angular aperture of both the photoreceptor and

Art. 1095.03 Pavement Markings 1102 light projector shall be six minutes of arc. The reference center shall be the geometric center of the sample, and the reference axis shall be taken perpendicular to the test sample.

Type B and D White Yellow Entrance Angle 86° 86.5° 86° 86.5° Observation Angle 0.2° 1.0° 0.2° 1.0° Specific Luminance 1100 700 800 500

Type C White Yellow Entrance Angle 86° 86° 86° 86° Observation Angle 0.2° 0.5° 0.2° 0.5° Specific Luminance 700 500 410 250

Type D wet retroreflectance shall be measured under wet conditions according to ASTM E 2177 and meet the following.

Wet Retroreflectance, Initial RL Color RL 1.05/88.76 White 300 Yellow 200

same shipment number(s), if applicable, batch or lot number(s), as the sample(s) tested and approved for that job. The batch or lot number(s) of the material, and the month and year the material is packaged, shall be stenciled or embossed on the container or included on the label.

taken or witnessed by a representative of the Bureau of Materials and will be submitted to the Engineer of Materials, 126 East Ash Street, Springfield, Illinois 62704-4766. Random check samples may be taken at the jobsite at the discretion of the Engineer.

The Engineer will test and certify the basic requirements.

The Contractor shall provide the Engineer certification from the manufacturer that the material to be furnished meets all the requirements of these specifications.

Sample(s) of preformed plastic shall be a minimum of 2 sq ft (0.2 sq m) of each color to be used.

The sample(s) shall be labeled with the shipment number(s), if applicable, batch or lot number(s), all batch number(s) comprising a lot, date, quantity, and any other pertinent information.

Pavement Markings Art. 1095.04 1103

1095.04Epoxy Pavement Markings. All materials shall be according to the

following.

system formulated and designed to provide a simple volumetric mixing ratio of two components (must be two volumes of Part A and one volume of Part B). No volatile solvents or fillers will be allowed. Total solids shall not be less than 99 percent when determined, on the mixed material, according to ASTM D 2369, excluding the solvent dispersion.

ASTM D 1652 on a pigment free basis. The WPE shall not vary more than plus or minus 50 units of the qualification samples.

ASTM D 2074. The Total Amine Value shall not vary more than plus or minus 50 units of the qualification samples.

Temperature Ashing. A 0.5 gram sample of component A shall be dispersed with a paperclip on the bottom of an aluminum dish, weighed and then heated in a muffle furnace at 1000 °F (538 °C) for one hour and weighed again. No solvents shall be used for dispersion. The difference in the weights shall be calculated and meet the following.

Pigment* White Yellow Titanium Dioxide ASTM D 476 Type II 21-24% Organic Yellow, Titanium Dioxide, Other ± 2%** Epoxy Resin 76-79% ± 2%**

* No extender pigments are permitted. ** From the pigment and epoxy resin content determined on qualification samples.

which are toxic or injurious to persons or property.

applied at 14 to 16 mils (0.35 to 0.41 mm) shall meet the following requirements when tested, using a color spectrophotometer with 45 degree circumferential/zero degree geometry, illuminant C, and two degree observer angle. The color instrument shall measure the visible spectrum from 380 to 720 nm with a wavelength measurement interval and spectral bandpass of 10 nm.

White Daylight Reflectance (Y) 80 % min. Yellow* Daylight Reflectance (Y) 50 % min.

*Shall match Aerospace Material Specification Standard 595 33538 (Orange Yellow) and the chromaticity limits as follows.

Art. 1095.04 Pavement Markings 1104 x 0.490 0.475 0.485 0.530 y 0.470 0.438 0.425 0.456

and applied at 14 to 16 mils (0.35 to 0.41 mm) wet film thickness and with the proper saturation of glass spheres, shall exhibit a dry no pick-up time of twenty minutes or less when tested according to ASTM D 711.

and tested according to ASTM D 7234 shall have a degree of adhesion which results in a 100 percent concrete failure in the performance of this test.

ASTM D 2240, shall have a shore D hardness of between 75 and 100. Films shall be cast on a rigid substrate at 14 to 16 mils (0.35 to 0.41 mm) in thickness and allowed to cure at room temperature for 72 hours before testing.

a Taber Abrader with a 1,000 gram load and CS 17 wheels. The duration of test shall be 1,000 cycles. The loss shall be calculated by difference and be less than 82 mgs. The tests shall be run on cured samples of material which have been applied at a film thickness of 14 to 16 mils (0.35 to 0.41 mm) to codeS-16 stainless steel plates. The films shall be allowed to cure at room temperature for at least 72 hours before testing.

materials shall have a tensile strength of not less than 6,000 psi (41,300 kPa). The Type IV specimens shall be cast in a suitable mold not more than 1/4 in. (6.3 mm) thick and pulled at a rate of 1/4 in./min (6.3 mm/min) by a suitable dynamic testing machine. The samples shall be allowed to cure at room temperature for at least 72 hours before testing.

marking materials shall have a compressive strength of not less than 12,000 psi (83,000 kPa). The cast sample shall be conditioned at room temperature for a minimum of 72 hours before performing the indicated tests. The rate of compression of these samples shall 1/4 in./min (6.3 mm/min) or less.

following.

of large glass spheres adopted by the Department. The first drop glass shall contain a minimum of 63 percent silica (SiO 2).The beads shall have a silane coating and meet the following sieve requirements.

Pavement Markings Art. 1095.04 1105 U.S. Standard Sieve Number Sieve Size % Passing (By Weight) 12 1.70 mm 95-100 14 1.40 mm 75-95 16 1.18 mm 10-47 18 1.00 mm 0-7 20 850 µm 0-5

Std. No. 141, Method 2013) at a film thickness of 14 to 16 mils (0.35 to 0.41 mm) and allowed to cure for 72 hours at room temperature. Subject the coated panel for 75 hours to accelerated weathering using the light and water exposure apparatus (fluorescent UV - condensation type) as specified in ASTM G 53 (equipped with UVB-313 lamps).

The cycle shall consist of four hours UV exposure at 122 °F (50 °C) followed by four hours of condensation at 104 F (40 C). UVB 313 bulbs shall be used. At the end of the exposure period, the panel shall show no more than 10 Hunter Lab Delta E units or substantial change in gloss from the original, non-exposed paint.

shall be plainly marked with the manufacturer's name and address, the name and color of the material, date of manufacture, and batch number.

manufacturer shall submit a notarized certification from an independent laboratory, together with the results of all tests, stating these materials meet the requirements as set forth herein. The certified test report shall state the lot tested, manufacturer's name, brand name of epoxy and date of manufacture. The certification shall be accompanied by 1 pt (1/2 L) samples each of Part A and Part B. After approval by the Department, certification by the epoxy manufacturer shall be submitted for each batch used. New independent laboratory certified test results and samples for testing by the Department shall be submitted any time the manufacturing process or paint formulation is changed. All costs of testing (other than tests conducted by the Department) shall be borne by the manufacturer.

one 1 pt (1/2 L) sample of Part B, of each lot of paint. The samples shall be submitted to the Department for testing, together with a manufacturer's certification. The certification shall state the formulation for the lot represented is essentially identical to that used for qualification testing. All acceptance samples shall be taken by a representative of the Illinois Department of Transportation. The epoxy pavement marking materials shall not be used until tests are completed and they have met the requirements as set forth herein.

Art. 1095.05 Pavement Markings 1106

1095.05Preformed Thermoplastic Pavement Markings. All materials shall

be according to Article 1095.01 and the following.

aggregates, pigments, binders and glass beads which have been factory produced as a finished product supplied in a preformed state.

sectional area. Immediate retroreflectivity can be provided by a preapplied layer of beads or by scattering surface beads on a molten material during application. The bead adhesion shall be such that beads are not easily removed when the material surface is scratched with a thumbnail.

beads by weight. The beads shall be clear and transparent and free of pits and scratches. Not more than 20 percent shall consist of irregular, fused spheroids, or silica. The index of refraction shall be not less than 1.50 when tested using the liquid immersion method.

(3.15 mm) as supplied by the manufacturer.

contours, breaks, and faults through the action of traffic at normal pavement temperatures. The markings shall have resealing characteristics and shall be capable of fusing with itself and previously applied thermoplastic when heated with a propane blowtorch.

exposure to sunlight, water, oil, gasoline, salt or adverse weather conditions.

sufficiently cohesive and flexible at temperatures exceeding 50 °F (10 °C) for one person to carry without the danger of fracturing the material prior to application.

minimum skid resistance value of 45 BPN when tested according to ASTM E 303.

85 degrees such that when a 2 1/2 x 6 in. (63 x 150 mm) sample is bent through an arc at 90 degrees at a uniform rate in ten seconds (9 degrees/second) over a 1 in. (25 mm) mandrel, no cracking occurs in the test sample. The sample must be conditioned prior to testing at 85 ± 2 °F (29 ± 1 °C) for a minimum of four hours. At least two specimens tested must meet the flexibility requirements at 85 °F (29 °C) for a passing result.

same shipment number(s), if applicable, batch or lot number(s), as the sample(s) tested and approved for that job. The batch or lot number(s) of

Pavement Markings Art. 1095.06 1107 the material, and the month and year the material is packaged, shall be stenciled or embossed on the container or included on the label.

taken or witnessed by a representative of the Bureau of Materials, 126 East Ash Street, Springfield, Illinois 62704-4766. Random check samples may be taken at the job site at the discretion of the Engineer.

The Engineer will test and certify the basic requirements.

The Contractor shall provide the Engineer certification from the manufacturer that the material to be furnished meets all the requirements of these specifications.

Sample(s) of preformed plastic shall be a minimum 2 sq ft (0.18 sq m) of each color to be used.

The sample(s) shall be labeled with the shipment number(s), if applicable, batch or lot number(s), all batch number(s) comprising a lot, date, quantity and any other pertinent information.

1095.06Pavement Marking Tapes. Type I and III white or yellow marking

tape shall consist of glass spheres of high optical quality embedded into a binder on a suitable backing that is precoated with a pressure sensitive adhesive. The spheres shall be of uniform gradation and distributed evenly over the surface of the tape.

Type IV tape shall consist of white or yellow tape with wet reflective media incorporated to provide immediate and continuing retroreflection in wet and dry conditions. The wet retroreflective media shall be bonded to a durable polyurethane surface. The patterned surface shall have approximately 40 ± 10 percent of the surface area raised and presenting a near vertical face to traffic from any direction. The channels between the raised areas shall be substantially free of exposed reflective elements or particles.

Blackout marking tape shall be a Type III tape consisting of a matte black, non- reflective, patterned surface that is precoated with a pressure sensitive adhesive. The surface of the blackout pavement marking tape shall provide a minimum skid resistance value of 45 BPN when tested according to ASTM E 303.

reflectance and color, when tested, using a color spectrophotometer with 45 degrees circumferential/zero degree geometry, illuminant D65, and two degree observer angle. The color instrument shall measure the visible spectrum from 380 to 720 nm with a wavelength measurement interval and spectral bandpass of 10 nm.

Art. 1095.06 Pavement Markings 1108

Color Daylight Reflectance %Y White 65 min. Yellow * 36 - 59

*Shall match Aerospace Material Specification Standard 595 33538 (Orange Yellow) and the chromaticity limits as follows.

x 0.490 0.475 0.485 0.530 y 0.470 0.438 0.425 0.456

Reflective values measured in accordance with the photometric testing procedure of ASTM D 4061 shall not be less than those listed in the table below. The coefficient of retroreflected luminance, R L, shall be expressed as average millicandelas/footcandle/sq ft (millicandelas/lux/sq m), measured on a 3.0 x 0.5 ft (900 mm x 150 mm) panel at 86 degree entrance angle.

Coefficient of Retroreflected Luminance, RL, Dry Type I Type III and IV Observation Angle White Yellow Observation Angle White Yellow 0.2° 2700 2400 0.2° 1300 1200 0.5° 2250 2000 0.5° 1100 1000

Wet retroreflectance shall be measured for Type IV under wet conditions according to ASTM E 2177 and meet the following.

Wet Retroreflectance, Initial RL Color RL 1.05/88.76 White 300 Yellow 200

minimum skid resistance of 50 BPN when tested according to ASTM E 303.

sensitive adhesive and shall require no activation procedures. Test pieces of the tape shall be applied according to the manufacturer's instructions and tested according to ASTM D 1000, Method A, except that a stiff, short bristle roller brush and heavy hand pressure will be substituted for the weighted rubber roller in applying the test pieces to the metal test panel. Material tested as directed above shall show a minimum adhesion value of 750 g/in. (30 g/mm) width at the temperatures specified in ASTM D 1000. The adhesive shall be resistant to oils, acids, solvents, and water, and shall not leave objectionable stains or residue after removal. The material shall be flexible and conformable to the texture of the pavement.

Pavement Markings Art. 1095.07 1109

duration of a normal construction season and shall then be capable of being removed intact or in large sections at pavement temperatures above 40 °F (4 °C) either manually or with a roll-up device without the use of sandblasting, solvents, or grinding. The Contractor shall provide the Engineer certification, from the manufacturer of the Type III or IV tape, that the material to be furnished meets the requirements for being removed after the following minimum traffic exposure based on transverse test decks with rolling traffic.

Samples of the material, applied to standard specimen plates will be measured for thickness, and tested for durability in accordance with Federal Test Method Standard No. 141A, Method 6192, using a CS-17 wheel and 1000-gram load, and shall meet the following criteria for minimum initial thickness and for durability, showing no significant change in color after being tested for the number of cycles indicated.

Test Type I Type III and IV White Yellow White Yellow Blackout Initial Thickness, mils (mm) 20 (0.51) 20 (0.51) 20 (0.51) 20 (0.51) 65 (1.65) 1/ 10 (0.25) 2/ Durability (cycles) 5,000 5,000 1,500 1,500 1,500

1/ Measured at the thickest point of the patterned surface.

2/ Measured at the thinnest point of the patterned surface.

The pavement marking tape, when applied according to the manufacturer's recommended procedures, shall be weather resistant and shall show no appreciable fading, lifting, or shrinkage during the useful life of the marking. The tape, as applied, shall be of good appearance, free of cracks, and edges shall be true, straight, and unbroken.

1095.07Glass Beads for Pavement Markings. The glass beads used for

reflectorizing pavement marking lines shall be Type A or Type B. Type A (uncoated) is intended for use as drop-on beads with solvent-based pavement marking paints and as intermix beads with thermoplastic pavement marking materials. Type B (moisture resistant, silicone coated) is intended for use as drop-on beads with thermoplastic pavement marking materials and waterborne-type marking paints.

essentially of transparent, water-white glass particles of a spherical shape. They shall be manufactured from a glass of a composition designed to be highly resistant to traffic wear and to the effects of weathering. The glass beads shall be according to the following.

Art. 1095.07 Pavement Markings 1110

requirements.

Sieve No. Sieve Sizes Total Percent By Weight (Mass) Passing 20 850 m 100 30 600 m 75 – 100 50 300 m 15 – 40 100 150 m 0 – 5 200 75 m 0 – 1

scratches. The glass beads shall be spherical in shape and shall contain not more than 20 percent by weight of irregular shapes when tested by the standard method using a vibratile inclined glass plate as adopted by the Department or computerized optical analyzer AASHTO R 98.

be less than 1.50 when tested by the immersion method at 77 °F (25 °C).

silica (SiO2).

decomposition, including surface etching, when exposed to paint or thermoplastic constituents shall be rejected. The glass beads shall be tested according to Federal Specification TT-B-1325B, Section 4.3.9 (water resistance) and evaluated for compliance with Section 3.2.9, with the following exceptions.

The size of sample to be tested shall be 25 grams and the reflux time shall be five hours.

dispensing equipment in atmospheric humidity up to 94 percent.

coatings and pass the following test.

One hundred grams of glass beads, spread evenly and thinly in a suitable container, shall be conditioned at 77 °F (25 °C) for four hours over a solution of sulfuric acid (Sp. Gr. 1.10) in a closed desiccator. After four hours, the glass beads shall flow readily through a clean glass analytical funnel, 60 degree, 3 in. (75 mm) diameter and 6 in. (150 mm) stem. Inside diameter of the stem shall be a nominal 1/4 in. (6.33 mm).

Pavement Markings Art. 1095.08 1111

and pass the following test.

One hundred grams of beads are placed in a 600 ml beaker and an equivalent volume of distilled water shall be added to the beaker. The beaker will then stand for five minutes, at the end of which time the water shall be carefully poured off and the beads transferred to a clean dry beaker and allowed to stand for five minutes. The beads will then be poured slowly into a standard glass funnel (Corning 6120), 5 in. (127 mm) diameter, 4 in. (102 mm) stem length and 7/16 in. (11 mm) stem inside diameter. The beads shall flow through the funnel stem without stoppage. Slight initial agitation to start the flow through the funnel at the beginning of the test is permissible.

bags consisting of at least five ply paper construction unless otherwise specified. Each bag shall contain 50 lb (22.7 kg) net, and shall be legibly marked with the manufacturer, IDOT specification and type, lot number, and the month and year the glass beads were packaged. The letters and numbers used in the stencils shall be a minimum of 1/2 in. (12.7 mm) in height.

sampled and tested in accordance with the latest published standard methods of the American Society for Testing and Materials, and revisions thereof, in effect on the date of the invitation for bids, where such standard methods exist. In case there are no ASTM Standards which apply, applicable standard methods of the American Association of State Highway and Transportation Officials, or the Federal Government, or of other recognized standardizing agencies shall be used.

The right is reserved to inspect the glass beads either at the place of manufacture or at the destination or at both places. If inspected at the place of manufacture, the manufacturer shall furnish such facilities as may be required for collecting and forwarding samples, and shall also furnish facilities for testing the glass beads during the process of manufacture, if required. During the manufacturing operations, the Department’s representative shall have free entry at all times to such parts of the plant as concern the manufacture of the glass beads. Tests will be made by and at the expense of the Department unless otherwise specified.

All material samples for acceptance tests shall be taken or witnessed by a representative of the Bureau of Materials and shall be submitted to the Engineer of Materials, 126 East Ash Street, Springfield, Illinois 62704-4766.

1095.08Polyurea Pavement Markings. Materials shall be according to the

following.

consist of a 100 percent solid two-part system formulated and designed to provide a simple volumetric mixing ratio of two components (must be two or

Art. 1095.08 Pavement Markings 1112 three volumes of Part A to one volume of Part B). No volatile or polluting solvents or fillers will be allowed.

be determined by low temperature ashing according to ASTM D 3723. The pigment content shall not vary more than ± two percent from the pigment content of the original qualified paint.

White Pigment shall be Titanium Dioxide meeting ASTM D 476, Type II Rutile.

Yellow Pigment shall be Organic Yellow and contain no heavy metals.

not exude fumes which are toxic or injurious to persons or property.

cured polyurea material (without reflective media) shall be a minimum of 80 percent (white) and 50 percent (yellow) relative to magnesium oxide when tested using a color spectrophotometer with a 45 degree circumferential/zero degree geometry, illuminant C, and two degree observer angle. The color instrument shall measure the visible spectrum from 380 to 720 nm with a wavelength measurement interval and spectral bandpass of 10nm. In addition, the color of the yellow polyurea shall visually match Aerospace Material Specification Standard 595 33538 (Orange Yellow) with chromaticity limits as follows.

x 0.490 0.475 0.485 0.539 y 0.470 0.438 0.425 0.456

proper ratio and applied at 14 to 16 mils (0.35 to 0.40 mm) wet film thickness to an aluminum alloy panel (Federal Test Std. No 141, Method 2013) and allowed to cure for 72 hours at room temperature, shall be subjected to accelerated weathering for 75 hours. The accelerated weathering shall be completed by using the light and water exposure apparatus (fluorescent UV – condensation type) and tested according to ASTM G 53.

The cycle shall consist of four hours UV exposure at 122 °F (50 °C) and four hours of condensation at 104 °F (40 °C). UVB 313 bulbs shall be used. At the end of the exposure period, the material shall show no substantial change in color or gloss.

proper ratio and applied at 14 to 16 mils (0.35 to 0.40 mm) wet film thickness and with the proper saturation of reflective media, shall exhibit a no-tracking time of ten minutes or less when tested according to ASTM D 711.

applied to a 4 x 4 x 2 in. (100 x 100 x 50 mm) concrete block shall have a degree of adhesion which results in a 100 percent concrete failure in the performance of this test.

Pavement Markings Art. 1095.08 1113

The concrete block shall be brushed on one side and have a minimum strength of 3500 psi (24,100 kPa). A 2 in. (50 mm) square film of the mixed polyurea shall be applied to the brushed surface and allowed to cure for 72 hours at room temperature. A 2 in. (50 mm) square cube shall be affixed to the surface of the polyurea by means of an epoxy glue. After the glue has cured for 24 hours, the polyurea specimen shall be placed on a dynamic testing machine in such a fashion so that the specimen block is in a fixed position and the 2 in. (50 mm) cube (glued to the polyurea surface) is attached to the dynamometer head. Direct upward pressure shall be slowly applied until the polyurea system fails. The location of the break and the amount of concrete failure shall be recorded.

according to ASTM D 2240 shall have a shore D hardness of between 70 and 100. Films shall be cast on a rigid substrate at 14 to 16 mils (0.35 to 0.40 mm) in thickness and allowed to cure at room temperature for 72 hours before testing.

4060 using a Taber Abrader with a 2.20-lb (1000-gram) load and CS 17 wheels. The duration of the test shall be 1000 cycles. The loss shall be calculated by difference and be less than 120 mgs. The tests shall be run on cured samples of polyurea material which have been applied at a film thickness of 14 to 16 mils (0.35 to 0.40 mm) to codeS-16 stainless steel plates. The films shall be allowed to cure at room temperature for at least 72 hours and not more than 96 hours before testing.

requirements.

and the following.

standard visual method of large glass spheres adopted by the Department. The beads shall have a silane coating and meet the following sieve requirements.

U.S. Standard Sieve Number Sieve Size % Passing By Weight (Mass) 12 1.70 mm 95 – 100 14 1.40 mm 75 – 95 16 1.18 mm 10 – 47 18 1.00 mm 0 – 7 20 850 µm 0 – 5

meet the requirements of Article 1095.07 for Type B.

Art. 1095.08 Pavement Markings 1114

glass beads shall meet the following requirements.

following requirements.

opacified ceramic core having clear and or yellow tinted microcrystalline ceramic beads embedded to the outer surface.

embedded to the outer surface shall have an index of refraction of 1.8 when tested by the immersion method.

supplied by the manufacturer shall show resistance to corrosion of their surface after exposure to a one percent solution (by weight (mass)) of sulfuric acid. Adding 0.2 oz (5.7 ml) of concentrated acid into the water shall make the one percent acid solution. This test shall be performed by taking 1 x 2 in. (25 x 50 mm) sample and adhering it to the bottom of a glass tray and placing just enough acid solution to completely immerse the sample. The tray shall be covered with a piece of glass to prevent evaporation and allow the sample to be exposed for 24 hours under these conditions. The acid solution shall be decanted (do not rinse, touch, or otherwise disturb the bead surfaces) and the sample dried while adhered to the glass tray in a 150 °F (66 °C) oven for approximately 15 minutes. Microscope examination (20X) shall show no white

meet the requirements of Article 1095.07 for Type B or the following manufacturer’s specification.

requirements.

U.S. Standard Sieve Number Sieve Size % Passing By Weight (Mass) 20 850 µm 100 30 600 µm 75 – 95 50 300 µm 15 – 35 100 150 µm 0 – 5

The manufacturer of the glass beads shall certify that the treatment of the glass beads meets requirements of the polyurea manufacturer.

pits and scratches. The glass beads shall be spherical in

Pavement Markings Art. 1095.08 1115 shape and shall contain a maximum of 20 percent by weight

method using a vibratile inclined glass plate as adopted by the Department or computerized optical analyzer AASHTO R 98.

shall be a minimum of 1.50 when tested by the immersion method at 77 °F (25 °C).

shall be delivered in approved moisture proof bags or weather resistant bulk boxes. Each carton shall be legibly marked with the manufacturer, specifications and type, lot number, and the month and year the microcrystalline ceramic reflective elements and/or glass beads were packaged. The letters and numbers used in the stencils shall be a minimum of 1/2 in. (13 mm) in height.

ply paper construction unless otherwise specified. Each bag shall contain 50 lb (22.7 kg) net.

conform to Federal Specification PPP-8-640D Class II or latest revision. Boxes are to be weather resistant, triple wall, fluted, corrugated-fiber board. Cartons shall be strapped with two metal straps. Straps shall surround the outside perimeter of the carton. The first strap shall be located approximately 2 in. (50 mm) from the bottom of the carton and the second strap shall be placed approximately in the middle of the carton. All cartons shall be shrink wrapped for protection from moisture. Cartons shall be lined with a minimum 4 mil polyester bag and meet Interstate Commerce Commission requirements. Cartons shall be approximately 38 x 38 in. (1 x 1 m), contain 2000 lb (910 kg) of microcrystalline ceramic reflective elements and/or glass beads and be supported on a wooden pallet with fiber straps.

containers and shall be plainly marked with the manufacturer’s name and address, the name and color of the material, date of manufacture, and batch number.

materials, the manufacturer shall submit a notarized certification of an independent laboratory, together with the results of all tests, stating these materials meet the requirements as set forth herein. The certification test report shall state the lot tested, manufacturer’s name, brand name of polyurea and date of manufacture. The certification shall be accompanied by one 1 pt (1/2 L) sample each of Part A and Part B. Samples shall be sent in the appropriate volumes for complete mixing of Part A and Part B.

After approval by the Department, certification by the polyurea manufacturer shall be submitted for each batch used. New independent laboratory certified test results and samples for testing by the Department shall be

Art. 1095.09 Pavement Markings 1116 submitted any time the manufacturing process or paint formulation is changed. All costs of testing (other than tests conducted by the Department) shall be borne by the manufacturer.

sample of each Part A and Part B, of each lot of paint. Samples shall be sent in the appropriate volumes for complete mixing of Part A and Part B. The samples shall be submitted to the Department for testing, together with a manufacturer’s certification. The certification shall state the formulation for the lot represented is essentially identical to that used for qualification testing. All acceptance samples will be taken by a representative of the Department. The polyurea pavement marking materials shall not be used until tests are completed and they have met the requirements as set forth herein.

minimum of 18 months.

1095.09Modified Urethane Pavement Markings. The modified urethane

pavement marking material shall consist of a homogenous blend of modified urethane resins and pigments designed to provide a simple volumetric mixing ratio of two components (must be two volumes of Part A to one volume of Part B). No volatile solvent or fillers will be allowed.

determined by low temperature ashing according to ASTM D 3723. The pigment content shall not vary more than ± two percent from the pigment content of the original qualified paint.

White pigment shall be Titanium Dioxide meeting ASTM D 476 Type II, Rutile.

Yellow pigment shall be Organic Yellow containing no heavy metals.

not exude fumes which are toxic or injurious persons or property when handled according to manufacturer specifications. The modified urethane pavement marking material compositions shall not contain free isocyanate functionality.

cured modified urethane material (without reflective media) shall be a minimum of 80 percent (white) and 50 percent (yellow) relative to magnesium oxide when tested using a color spectrophotometer with a 45 degree circumferential / zero degrees geometry, illuminant C, and two degrees observer angle. The color instrument shall measure the visible spectrum from 380 to 720 nm with a wavelength measurement interval and spectral bandpass of 10 nm. In addition, the color of the yellow modified urethane shall visually match Aerospace Material Specification Standard 595 33538 (Orange Yellow) with chromaticity limits as follows:

Pavement Markings Art. 1095.09 1117

x 0.490 0.475 0.485 0.539 y 0.470 0.438 0.425 0.456

ratio and applied at 14 to 16 mils (0.35 to 0.41 mm) wet film thickness to an aluminum alloy panel (Federal Test Std. No. 141, Method 2013) and allowed to cure for 72 hours at room temperature, shall be subjected to accelerated weathering for 75 hours. The accelerated weathering shall be completed by using the light and water exposure apparatus (fluorescent UV – condensation type) and tested according to ASTM G 53.

The cycle shall consist of four hours UV exposure at 122 °F (50 °C) and four hours of condensation at 104 °F (40 °C). UVB 313 bulbs shall be used. At the end of the exposure period, the material shall show no substantial change in color or gloss.

ratio and applied at 14 to 16 mils (0.35 to 0.41 mm) wet film thickness and with the proper saturation of glass beads, shall exhibit a no-tracking time of four minutes or less when tested according to ASTM D 711.

when applied to a 4 x 4 x 2 in. (100 x 100 x 50 mm) concrete block shall have a degree of adhesion which results in a 100 percent concrete failure in the performance of this test.

The concrete block shall be brushed on one side and have a minimum strength of 3500 psi (24,100 kPa). A 2 in. (50 mm) square film of the mixed modified urethane shall be applied to the brushed surface and allowed to cure for 72 hours at room temperature. A 2 in. (50 mm) cube shall be affixed to the surface of the modified urethane by means of an epoxy glue. After the glue has cured for 24 hours, the modified urethane specimen shall be placed on a dynamic testing machine in such a fashion so that the specimen block is in a fixed position and the 2 in. (50 mm) cube (glued to the modified urethane surface) is attached to the dynamometer head. Direct upward pressure shall be slowly applied until the modified urethane system fails. The location of the break and the amount of concrete failure shall be recorded.

to ASTM D 2240, shall have a Shore D Hardness greater than 75. Films shall be cast on a rigid substrate at 14 to 16 mils (0.35 to 0.40 mm) in thickness and allowed to cure at room temperature for 72 hours before testing.

ASTM D 4060 using a Taber Abrader with a 1,000 gram load and CS 17 wheels. The duration of test shall be 1,000 cycles. The loss shall be calculated by difference and be less than 80. The tests shall be run on cured samples of modified urethane material which have been applied at a film thickness of 14 to 16 mils (0.35 to 0.40 mm) to codeS-16 stainless steel

Art. 1095.09 Pavement Markings 1118 plates. The films shall be allowed to cure at room temperature for at least 72 hours and not more than 96 hours before testing.

pavement marking materials shall have an average tensile strength of not less than 6000 psi (41,300 kPa). The Type IV specimens shall be pulled at a rate of 1/4 in. (6.3 mm) per minute by a suitable dynamic testing machine. The samples shall be allowed to cure at 75 °F ± 2 °F (24 °C ± 1 °C) for a minimum of 24 hours and a maximum of 72 hours prior to performing the indicated tests.

catalyzed modified urethane pavement marking materials shall have a compressive strength of not less than 12,000 psi (83,000 kPa). The cast sample shall be conditioned at 75 °F ± 2 °F (24 °C ± 1 °C) for a minimum of 72 hours before performing the indicated tests. The rate of compression of these samples shall be no more than 1/4 in. (6.3 mm) per minute.

(m) and Article 1095.07 for first drop and second drop glass beads

containers and shall be plainly marked with the manufacturer’s name and address, the name and color of the material, date of manufacture, and batch number.

marking materials, the manufacturer shall submit a notarized certification of an independent laboratory, together with the results of all tests, stating these materials meet the requirements as set forth herein. The certification test report shall state the lot tested, manufacturer’s name, brand name of modified urethane, and date of manufacture. The certification shall be accompanied by 1 pt (1/2 L) samples each of Part A and Part B. Samples shall be sent in the appropriate volumes for complete mixing of Part A and Part B.

After approval by the Department, certification by the modified urethane manufacturer shall be submitted for each batch used. New independent laboratory certified test results and samples for testing by the Department shall be submitted any time the manufacturing process or paint formulation is changed.

samples of Part A and Part B, of each lot of paint. Samples shall be sent in the appropriate volumes for complete mixing of Part A and Part B. The samples shall be submitted to the Department for testing, together with a manufacturer’s certification. The certification shall state the formulation for the lot represented is essentially identical to that used for qualification testing. All acceptance samples will be taken by a representative of the Department. The modified urethane pavement marking materials shall not be used until tests are completed and they have met the requirements as set forth herein.

Pavement Markers Art. 1096.01 1119

minimum of 18 months.

SECTION 1096. PAVEMENT MARKERS

1096.01Raised Reflective Pavement Markers. Raised reflective pavement

markers shall meet the following specifications.

to ASTM A 536-84, Grade 72-45-05 hardened to 52-54RC to which is attached a replaceable prismatic retroreflector for reflecting light from one or two directions as specified. The casting shall be shaped to deflect a snowplow blade upward, thus preventing damage to the reflectors. The bottom of the casting shall incorporate two parallel keels and a bow shaped web designed to fit into a grooved road surface. The casting shall have leveling tabs to ensure proper embedment and shall be fastened to the road surface using an epoxy adhesive. The casting shall be designed for bidirectional plowing. The casting shall be marked with the manufacturer's name and the model number of the marker shall be visible after installation.

approximately 10 in. (250 mm) long by 5.5 in. (140 mm) wide and a maximum of 1.76 in. (45 mm) high. The surface of the keel and web shall be free of scale, dirt, rust, oil, grease, or any other contaminant which may reduce bond.

methacrylate or suitably compounded acrylonitrile butadiene styrene (ABS) shell filled with a mixture of an inert thermosetting compound and filler material. The exterior surface of the shell shall be smooth and contain one

reflector faces of the colors specified. The shell shall be fabricated in a manner that will provide a mechanical interlock between the thermosetting compound and the shell. The thermosetting compound shall bond directly to the backside of the metalized lens surface. The manufacturer's trademark shall be molded in the face of the reflector lens or on the reflector body so as to be visible after installation.

shall provide total internal reflection of the light entering the lens face. The reflector shall be 4 in. (100 mm) long x 2 in. (50 mm) wide x 0.44 in. (11 mm) high and fit securely into a recessed area on the upper surface of the marker casting web. The reflective surface shall be a minimum of 1.6 sq in. (1,030 sq mm) in area. The reflector shall have an abrasion resistant reflective surface.