912Paints, Coatings, Traffic Stripes, and Traffic Markings

912.01PAINTS AND STAINS

.01 Structural Steel Paint

Use paint systems for coating structural steel that are Northeast Protective Coating Committee (NEPCOAT) approved and listed on the QPL. Use the appropriate paint type for the application as follows:

Ensure that the primer is tinted to contrast with the base metal. Use white or an approved color that contrasts with the prime and finish coats for the intermediate coat. Use the finish color coat noted on the Plans. When the colors Lake Blue, Foliage Gr een, Brown, or Black are specified, match the color chips of FED-STD-595B as specified in Table 912.01.01-1. Table 912.01.01-1 – Finish Coat Colors for Structural Steel Color Chip Number Lake Blue 25189 Foliage Green 24172 Brown 30111 Black 27038 Before using paint, submit each lot to the ME for quality assurance testing and approval. The ME will verify that the pigment content, total solids, and infrared curve match that of the initial qualifying material. Do not use paint until the ME has approved the paint lot.

.02 Aluminum Paint

Use aluminum paint conforming to AASHTO M 69, Type II. Submit certifications of compliance as specified in 106.07.

.03 Coal Tar Epoxy Paint

Use coal tar epoxy -polyamide paint that conforms to SSPC -Paint No. 16 and is black or dark red in color. Submit certifications of compliance as specified in 106.07.

.04 Concrete Stain

Provide a penetrating stain that is a single component, water -based acrylic coating, alkali resistant, and water repellant. Primer is required for application on smooth concrete. Provide a primer that is a penetrating, water based, water repellent concrete sealer. Ensure that the stain conforms to the requirements in Table 912.01.04-1. Table 912.01.04-1 Requirements for Concrete Stain Property Value ASTM Test Method Dry – to – Touch Time Max. 1 hour D 1640 Dry – to – Recoat Time Max. 4 hour D 1640 Weight per Gallon 11.0 + 0.5 lbs. D 1475 Weight Solids 52 + 2% D 2369 Adhesion, Tape Test Min. 4A D 3359 Gloss Flat D 523 Weathering <3.0 dE @ 3,000 hrs. G 154 / D 4587 VOC <100 g/L D 2369 486

912.02COATINGS

.01 Galvanizing (Zinc Coating)

Apply hot-dip galvanized coating to iron and steel plates, pipe, tube, and structural shapes according to ASTM A 123. Apply hot-dip galvanized coating to iron and steel hardware according to ASTM A 153. Repair hot dipped galvanized coating on iron and steel plates, pipe, tube, structural shapes, and hardware according to ASTM A 780.

.02 Epoxy Waterproofing

For concrete waterproofing, use epoxy-resin that conforms to ASTM C 881, Type 7, Grade 1, 2, or 3, Class D, E, or F, and is listed on the QPL. Ensure that the color is gray to match the color of the adjacent concrete. Submit certifications of compliance as specified in 106.07.

.03 Asphalt Waterproofing

For use below ground level, use an asphalt waterproofing conforming to ASTM D 449, Type I. For use above ground level, use an asphalt waterproofing conforming to ASTM D 449, Type II or III. Use a primer conforming to ASTM D 41.

.04 Coating for Non-Vegetative Surface

Formulate a color coating with a pure acrylic vehicle that is durable, weather resistant, and suitable for use on bituminous surfaces. Use lusterless brown tint matching Federal chip No. 30277.

912.03PERMANENT TRAFFIC STRIPES AND MARKINGS

.01 Traffic Stripes

conforming to the following requirements:

resin exhibits a maximum 20.00 yellowness index after 72 hours of QUV exposure.

directional reflectance, relative to a magnesium oxide standard, of 80 percent for white and 50 percent for yellow when tested according to ASTM E 1347.

pick-up after a 15 minute drying time.

under a load of 1 ,000 grams for 1,000 cycles, ensure that the abrasive wear index is no greater than 80. The abrasive wear index is the weight in milligrams that is abraded from the sample under the specified test conditions.

hardness is between 75 and 100 when tested according to ASTM D 2240.

487 Table 912.03.01-1 Composition of Epoxy Resin Pigment Composition Percent By Weight Minimum Maximum White: Titanium Dioxide1 (ASTM D 476, Type II or III) 18.0 25.0 Epoxy Resin 75.0 82.0 Yellow: Organic Non-Lead Yellow 7.0 8.0 Epoxy Resin 75.0 79.0 Titanium Dioxide (ASTM D 476, Type II or III) 14.0 17.0

marked with the following information:

material that deviates from the master IR curve. At least 15 days before use, submit to the ME the manufacturer’s certified test results for each batch of epoxy resin material to be used on the Project. In addition, the ME will randomly sample epoxy resin for testing.

Contract. For each lot of glass beads, submit test results indicating the parts per million of lead, antimony and arsenic as determined by testing according to Environmental Prote ction Agency testing method 3052 and testing method 6010B or 6010C. Ensure that glass beads do not contain more than 200 parts per million of lead, 200 parts per million of antimony, or 100 parts per million of arsenic.

Table 912.03.01-2 Gradation Requirements for Large Glass Beads Sieve Size Percent Passing by Weight1 No.10 100 No. 12 95 – 100 No. 14 80 – 95 No. 16 10 – 40 No. 18 0 – 5 No. 20 0 – 2

488

.02 Traffic Markings

For traffic markings, use either preformed or hot extruded thermoplastic conforming to AASHTO M 249, except that for preformed thermoplastic, the minimum thickness requirement is 90 mils. Use beads conforming to AASHTO M 247, Type 1, with a moisture resistant coating. Ensure that glass beads do not contain more than 200 parts per million of lead, 200 parts per million of antimony, or 100 parts per million of arsenic. Submit certifications of compliance, as specified in 106.07, for each batch of materials used on the Contract. For each lot of glass beads, submit test results indicating the parts per million of lead, antimony and arsenic as determined by testing according to Environmental Protection Agency testing method 3052 and testing method 6010B or 6010C.

.03 Raised Pavement Markers (RPM)

Use raised pavement markers (RPMs) made of ductile iron castings with a 2 way, snow-plowable, replaceable prismatic reflector conforming to the following requirements:

“C”. Ensure that the castings provided are bet ween 9.25 and 10 inches long, 5.5 and 5.85 inches wide, and 1.70 and 1.92 inches high, and weigh approximately 5.5 pounds. Ensure that each casting is permanently marked with the manufacturer’s name and model number.

AASHTO M 237, Type IV.

Table 912.03.03-1 Requirements for Lenses Property Requirement Nominal Dimensions 4 × 2 × 0.5 inch Slope of reflecting surface 30 to 35 degrees Area of each reflecting surface 1.44 to 1.87 square inches Ensure that the lens has a thin untempered glass bonded to the front surface of the prismatic retroreflective lens face.

manufacturer’s recommendations. Submit a certification of compliance as specified in 106.07.

912.04TEMPORARY TRAFFIC STRIPES AND MARKINGS

.01 Latex Paint

For temporary traffic stripes, use latex traffic paint that is a fast-drying white, or non-lead yellow, ready-mixed pigmented binder emulsified in water and capable of anchoring refl ective glass beads that are separately applied. Ensure that the color matches FED -STD-595B color chip No. 33538 for yellow and No. 37886 for white. Ensure that the paint has a maximum no-track time of 120 seconds when applied in a wet film. In addition, ensure that the finished product meets the following:

ASTM D 2369.

Use glass beads conforming to AASHTO M 247, Type 1, with a moisture resistance coating. Ensure that glass beads do not contain more than 200 parts per million of lead, 200 parts per million of antimony, or 100 parts per million of arsenic. 489 Submit a certification of compliance, as specified in 106.07, for latex and glass beads. For each lot of glass beads, submit test results indicating the parts per million of lead, antimony and arsenic as determined by testing according to Environmental Protection Agency testing method 3052 and testing method 6010B or 6010C.

.02 Removable Pavement Marking Tape

with a retroreflective surface. Ensure that the underside of the tape is pre-coated with a pressure sensitive adhesive to bond the tape to the roadway surface and is capable of withstanding traffic immediately after installation and for the duration of the intended service. Use a primer only if recommended by the manufacturer. Provide tape that has a minimum skid resistance of 35 British Petroleum Number (BPN) when tested according to ASTM E 303. Do not use lead based pigment in traffic tape. Provide tape that conforms to the requirements specified in Table 912.04.02-1. Table 912.04.02-1 Requirements for Temporary Pavement Tape Property White Yellow Minimum Specific Luminance (mcd/sq foot/foot-candles) ASTM D 40611 500 300 Minimum Tensile Stress (psi)2 ASTM D 638 40 40 FED-STD-595B Color Chip No. 37778 33538

Use removable tape that is capable of being removed manually, intact or in large pieces, without the use of solvents, burning, grinding, or blasting and without damage to the underlying surface. Provide a certification of compliance, as specified in 106.07, for temporary pavement tape.

a pliant polymer material. Ensure that the color conforms to FED -STD-595B color chip No. 37030. Provide tape that does not produce a sheen under day, night, or wet conditions. Ensu re that the tape is capable of masking the underlying stripes so that they do not reflect through. Provide tape that has a minimum skid resistance of 30 BPN when tested according to ASTM E 303. Ensure that the underside of the tape is pre-coated with a pressure sensitive adhesive to bond the tape to the roadway surface and is capable of withstanding traffic immediately after installation and for the duration of the intended service. Ensure that the removable tape is capable of being removed manually, intact or in large pieces, at temperatures above 40 °F, without the use of solvents, burning, grinding, or blasting and without damage to the underlying surface. Provide a certification of compliance, as specified in 106.07, for removable black masking tape.

.03 Temporary Pavement Markers

Provide temporary pavement markers that have a maximum width of 4 inches perpendicular to traffic and a maximum height of 3/4 inch. Mold marker castings using acrylonitrile butadiene styrene, acrylic, polycarbonate, or high impact polystyrene of the same color as the retroreflective lens. Use either mono-directional white or bi-directional yellow retroreflective lenses as shown on the Plans. Ensure that the lenses used for the retroreflective material are molded of methylmethacrylate conforming to ASTM D 788, PMMA0131V0, or PMMA0231V0 and meet the retroreflectance values specified in Table 912.04.03-1: