711.02 Traffic Stripe
700 SECTION 711
711.01 Material for Hot -Applied Thermoplastic C Ompounds
Provide hot -applied thermoplastic compound in accordance with AASHTO M 249. Provide binder component made of alkyd or hydrocarbon based mate rial.
711.02 Permanent Pavement M Arking Tape
Provide plastic striping tape free of cracks with straight and unbroken edges. Provide material in rolls with no greater than three splices per 150 ft [45.7 m]. Conform preformed words and symbols to the applicable shapes and sizes in accordance with the MUTCD. Package plastic striping tape in standard commercial containers to prevent damage during shipment and storage. Ensure the plastic striping retains the pr operties required by the Contract when stored at temperatures no greater than 100°F [38C] and for no longer than 1 year. Provide plastic striping tape in accordance with Subsection 711.02.A, "Composition," through Subsection 711.02.L, "Effective Performance Life."
A.Composition Distribute uniformly and firmly bond plastic materials, pigments, and glass beads on the top surface of retroreflective, preformed pavement marking film. Provide pre -coat preformed plastic film with a pressure -sensitive adhesive that is compatible with bituminous concrete and portland cement concrete road surfaces.
B.Skid Resistance Ensure the retroreflective preformed film surface provides skid resistan ce value of at least 35 British Pendulum Number when tested in accordance with ASTM E 303.
C.Thickness Provide a thickness from 0.06 in to 0.09 in [1.52 mm to 2.29 mm] for preformed plastic film, without adhesive, for lane and edge lines.
D.Tensile Stren gth and Elongation Provide film with a tensile strength of at least 40 psi [275.8 kPa] of cross section when tested in accordance with ASTM D 638, except, test a 6 in × 1 in [152.4 mm × 25.4 mm] sample from 70°F to 80°F [21.1°C to 26.7°C] using a jaw speed from 10 in to 12 in [254 mm to 304.8 mm] per minute. Provide the sample with an elongation of at least 75 percent at break when tested by this method.
E.Conformability Provide preformed film that conforms to pavement contours, breaks, and faults at norm al pavement temperatures. Provide preformed plastic film that fuses with itself and previously applied marking film of the same composition. TRAFFIC STRIPE 711.02 701 F. Removability Provide plastic striping tape that cannot be easily removed after application.
G.Adhesive Provide plastic striping tape for longitudinal and transverse markings with pressure -sensitive backing without liner. Provide word and symbol tape with pressure -sensitive backing and protective liner.
H.Application Properties Ensure the material adheres to asphalt concrete and portland cement concrete (PCC) surfaces when applied according to manufacturer’s recommendations at surface temperature of at least 65°F [18.3°C]. If applying the markings when the surface temperature is from 50°F to 65°F [10°C to 18. 3°C], apply in accordance with the manufacturer’s recommendations, other special instructions, or both.
I.Glass Beads Ensure the manufacturer incorporates glass beads for immediate and continuing retroreflection. Ensure the size, quality, and refractive index of the glass beads are such that the beads perform in accordance with Subsection 711.02.K, “Reflectance.” Provide bead adhesion so beads are not easily removed when scratching the material surface with a thumbn ail.
J.Pigmentation Thoroughly blend color pigments to provide a pavement marking film that maintains uniform color under both day and night lighting conditions throughout the expected life of the film. Provide white pavement marking film similar to Fede ral Standard Color No. 595-17886. Provide yellow pavement marking film similar to Federal Standard Color No. 595-13538.
K.Reflectance Provide white and yellow films with an initial retroreflectance value using a 30m geometry, measured in accordance with the ASTM E 1710. Ensure the specific luminance is measured in millicandelas per square foot -candle (mcd/ft /fc) or millicandelas 2 per square meter per lux [mcd/m2/lux]. Submit samples from the Manufacturer of each color (white and yellow) of the product. Provide certification and/or independent lab test results for each sample which verifies that each product conforms to the requirements of these provisions, and is evaluated by the National Transportation Product Evaluation Program (NTPEP). Table 711:1 White and Yellow Film Reflective Properties Property White Yellow Entrance Angle 88.76° ± 0.02° 88.76° ± 0.02° Observation angle 1.05° 1.05° Specific luminance, mcd/ft²/fc [mcd/m²/lux] 450 300
711.03 Traffic Stripe
702 L. Effective Performance Life Provide a film that leaves a neat, durable marking that will not flow or distort due to temperature if the pavement surface remains stable. Ensure the Department, another state DOT, or the National Transportation Product Evaluation Program (NTPEP) qualifies the tape using a performan ce test of at least 12 months. Provide a pliant polymer that supplies a cushioned, resilient substrate that reduces bead crushing and loss. Provide weather resistant film that does not fade, lift, tear, roll back, or shrink throughout the marking life.
711.03 Non -Removable Tempor Ary Pavement Marking Tape
A.General Provide traffic striping material with a white or yellow weather and traffic resistant reflective film on a conformable backing pre -coated with a pressure -sensitive adhesive. Ensure the Depart ment, or another state department of transportation, qualifies the material through a performance test of at least 12 months. Provide white or yellow retroreflective striping tape as required by the Contract. Ensure the tape reflects white or yellow respe ctively and is visible with automobile headlights at night. Provide striping tape with a pre -coated, pressure -sensitive adhesive that does not require activation procedures or a liner to protect from contamination, pre -adhesion, and blocking. Ensure the ma terial adheres to asphalt concrete and PCC surfaces if applied in accordance with the manufacturer recommendations at surface temperatures of at least 35°F [1.7°C], and does not require protective devices.
B.Conformability Provide thin, flexible, and form able striping material that conforms to the texture of the pavement surface after application. Ensure the average thickness of the material, taken using five micrometer readings, is from 15 mil to 45 mil [381 µm to 1,143 µm].
C.Durability and Wear Resista nce Provide weather resistant striping material that will not fade, lift, or shrink.
D.Packaging Provide striping material packaged in standard commercial containers to prevent damage during shipment and storage.
E.Storage Provide striping material that will not deteriorate when stored for 1 year in temperatures no greater than 100°F [37.8°C]. TRAFFIC STRIPE 711.04 703 F. Certification Submit to the Resident Engineer a Type D certification for the non -removable temporary pavement marking tape in accordance with Subsection 106.04, “Materials Certifications.”
711.04 Removable Pavement M Arking Tape
A.General Provide removable pavement marking tape with a white or yellow all -weather, traffic -resistant film on a reinforced, conformable backing.
B.Adhesive Provide removable, preformed pavement marking film pre -coated with a pressure -sensitive adhesive that is immediately ready for traffic after application. Ensure the film adheres to asphalt concrete and PCC surfaces without heat, solvents, addition al adhesives, or activators. Provide adhesives that bond to pavement surfaces if applied at temperatures of at least 50°F [10°C] without pickup or distortion by vehicular traffic.
C.Color Provide removable pavement marking tape in white or yellow that co nforms to the standard highway color requirements of MUTCD as required by the Contract.
D.Glass Beads Provide colorless glass beads with refraction index of at least 1.50 if tested using the liquid immersion method. Provide beads in the size and quantity that maintains retroreflectivity of the film as it wears through the surface course. Distribute glass beads uniformly throughout the film for retroreflectivity.
E.Removability Provide preformed pavement marking film that is removable intact or in large strips, from asphalt and concrete surfaces. Ensure removal of the film is possible manually or with a mechanical roll -up device at temperatures above 50°F [10°C], and without heat, solvents, grinding, or sandblasting.
F.Durability Provide film that leave s a neat, durable marking that will not flow or distort due to temperature. Ensure the Department, or another state department of transportation, qualifies the material through a performance test of at least 6 months. Ensure the tape meets the removabili ty requirements through the performance test in accordance with Subsection 711.04.E, "Removability. " Provide weather resistant film that will not fade, lift, or shrink.
G.Certification Submit to the Resident Engine er a Type D certification for the removable pavement marking tape in accordance with Subsection 106.04, “Materials Certifications.”
711.05 Traffic Stripe
704 711.05 GLASS BEADS FOR TRAF FIC PAINT
A.Traffic Paint Provide glass beads for traffic s tripe paint in accordance with AASHTO M 247, Type I. Supply beads with a moisture -resistant coating.
B.Glass Beads For Thermoplastic Provide drop -on glass beads in accordance with the following:
1.Appearance Provide colorless, clean and transparent gla ss traffic beads that are free of milkiness, excessive air bubbles, skins, and foreign material.
2.Moisture Provide glass traffic beads with no greater than 25 percent moisture by weight [mass].
3.Refractive Index Provide glass traffic beads with a refractive index of at least 1.5 when tested by the liquid immersion method at 77°F [25°C].
4.Shape Provide spherically shaped glass traffic beads free of sharp, angular edges. Ensure the beads are free of scars and scratches.
5.Static Charge Provide glass traffic beads that do not create static electricity when flowing through a regular traffic bead dispenser.
6.Gradation Provide Oklahoma DOT Standard Glass Beads for Thermoplastic with a gradation in accordance with AASHTO M 247, Type I. Provide Okl ahoma DOT Large Glass Beads for Thermoplastic with a gradation in accordance with AASHTO M 247, Type 4.
7.Roundness Provide glass beads that meet the roundness requirements of AASHTO M 247. The manufacturer will provide a Type A certification for roundn ess with each shipment of beads.
8.Coatings Provide standard and large glass beads with an adhesion coating to promote adhesion in thermoplastic pavement marking material. Supply standard glass beads in accordance with AASHTO M 247, Type I with a moistu re-resistant coating to prevent clumping. TRAFFIC STRIPE 711.06 705 711.06 TRAFFIC STRIPE PAINT – ACRYLIC WATERBORN E Directly apply waterborne white and yellow traffic paint on asphalt concrete or PCC surfaces or existing traffic stripe composed of solvent -based paint, waterborne p aint, or thermoplastic compounds. Apply with spray equipment, at application temperatures from 50°F to 150°F [10°C to 66°C]. Provide paint that receives and holds glass beads to produce reflectorized traffic markings.
A.Materials Provide paint free of l ead and chromium with a limited quantity of volatile organic compounds (VOC).
B.General Provide finished paint formulated and manufactured from first -grade material listed in the Standard Formula. The Resident Engineer must approve alternative materials before manufacture. Ensure the proposed materials equal the quality, composition, and the physical and chemical behavior of the materials on the Standard Formula after aging in the finished product.
C.Pigment
1.Titanium Dioxide Provide titanium dioxide in accordance with ASTM D 476, Type II, Rutile. Ensure the hiding power of the titanium dioxide is at least equal to the standard sample if tested in the standard formula.
2.Pigment Yellow 65 Provide Yellow 65 pigment from Hoechst Celanese, Engelhard , Sun Chemical, or an equivalent approved by the Resident Engineer.
3.Calcium Carbonate Provide calcium carbonate in accordance with the ASTM D 1199, Type GC, Grade I, with at least 95 percent calcium carbonate and Type PC with at least 98 percent calcium carbonate.
D.Vehicle
1.Acrylic Emulsion Polymer Provide Rohm and Haas E -3427 acrylic emulsion polymer, or an equivalent approved by the Resident Engineer. Ensure the nonvolatile portion of the vehicle is composed of a 100 percent acrylic polymer and i s at least 44 percent by weight [mass].
2.Methyl Alcohol Provide methyl alcohol in accordance with ASTM D 1152 Specific Gravity, 20/20°C, from 0.791 to 0.794.
3.Water Provide potable water.
711.06 Traffic Stripe
706 (4) Miscellaneous Materials Provide the miscellaneous material s in accordance with Table 711:3. Table 711:3 Miscellaneous Materials Material Type Dispersant Tamol 850 Colloids 226 -35 Surfactant Triton CF -10 Colloids CTA 639 Defoamer Foamaster 111 Drew 493 Colloids 654 Hydroxy ethyl cellulose Natrasol 250 HBR Bermocoll E431FQ Coalescent Texanol Preservative Troy 192 Dowicil 75 Nuosept 101
E.Manufacture Deliver ingredient materials in the original containers. The manufacturer will provide the exact batch formula to manufacture the paint. The Department will not allow changes to the formula without Resident Engineer approval. The Resident Engineer will not approve changes that adversely affect the quality or serviceability of the paint. The Department will use the standard formulas as specifie d in Table 711:4 as the basis for the paint. The Department will not allow variations from the standard formula, except for the replacement of volatiles lost in processing or variations reviewed by the Department's Materials Engineer and approved by the R esident Engineer. Table 711:4 Standard Paint Formulas Material White, lb [kg] Yellow, lb [kg]
C.I. pigment, yellow 65 (Engelhard 1244) — 32 [14.5] Titanium dioxide, rutile, Type II (Kerr McGee CR800) 100 [45.4] 21 [9.5] Calcium carbonate Type PC (Miss.M -60) 150 [68.0] 150 [68.0] Calcium carbonate, Type GC 430 [195.0] 465 [210.9] TRAFFIC STRIPE 711.06 707 Table 711:4 Standard Paint Formulas Material White, lb [kg] Yellow, lb [kg] (Hubercarb Q6) Hydroxy ethyl cellulose (Natrasol 250HBR) a 0.5 [0.2] 0.5 [0.2] Acrylic emulsion, 50% solids (E2706) 541 [245.4] 535 [242.7] Texanol (Eastman) 24 [10.9] 23 [10.4] Defoamer (Colloids 654) 5 [2.3] 5 [2.3] Dispersant (Tamol 850) 8 [3.6] 9 [4.1] Surfactant (Triton CF10) 2 [0.9] 2 [0.9] Methyl alcohol 29 [13.2] 28 [12.7] Preservative (Troy 192) 1.5 [0.7] 1.5 [0.7] Water 10 [4.5] 10 [4.5] Total 1,301 [590.1] 1,282 [581.8] a The Department will allow the amount of hydroxy ethyl cellulose to vary up to 0.1 lb [0.05 kg] to adjust viscosity to desired range.
F.Mixed Paint Ensure the mixed paint equals the test results on a standard prepared from the standard formula and tested by the manufacturer under parallel conditions for the listed requirements if the Resident Engineer allows variations in materials. Strain the paint before filling with a screen no coarser than No. 40 mesh [425 µm] or a sieve meeting the Resident Engineer’s approval. Provide finished paint with no greater than 1.25 lb [567 g] of VOC per gallon [liter] of total non - volatile paint, in accordance with ASTM D 3960. Provide paint in accordance with Subsection 711.06.F(1), “Pigment Composition,” through Subsection 711.06.F(15), “Dry Through Time.”
711.06 Traffic Stripe
708 (1) Pigment Composition Analyze the extracted pigment in accordance with Table 711:5. Table 711:5 Pigment Composition Material White Yellow Organic yellow (65%) a — ≥4.8 Titanium dioxide ≥13.4% ≥2.6% Calcium carbonate ≤86% ≤93% a To be determined by x -ray florescence, color spectrophotometry, or any other method the Department may choose. This may be sent to an outside agency or organic pigment manufacturer. It also may include audit of the manufacturer’s invoices, batch tickets, inventory or other means determined by the D epartment.
2.Physical Properties Table 711:6 Mixed Paint Physical Properties Property Value Total solids by weight [mass] ≥73% Volume solids ≥58% Pigment by weight [mass] 49 – 54% Vehicle by weight [mass] 46 – 51% Non -volatile in vehicle by weight [mass] ≥44% Weight [mass] per unit volume, from theoretical ±0.3 lb/gal [±36 g/L] Viscosity at 77°F [25°C] 83 KU – 98 KU Grind (Hegman Gage) ≥3 Laboratory dry time, ASTM D 711 ≤10 min Dry through time ≤15 min of Standard Formula
3.Color Provide white paint that dries to a flat white color, is free of tint, and has opacity and visibility in both day and artificial light. Provide yellow paint that matches Color Chip 33538 of Federal Standard 595 and is within 6 percent of the PR 1 chart central color when read over the black portion of a 2A Leneta Chart. TRAFFIC STRIPE 711.06 709 (4) Flexibility Provide paint that is flexible and will not crack or flake if tested in accordance with Federal Specification TT -P-1952B.
5.Water Resistance Provide water resistant paint in accordance with Federal Specification TT -P-1952B. Ensure the paint does not blister, lose adhesion, soften , or deteriorate after the examination.
6.Freeze -Thaw Stability Provide freeze -thaw stable paint that does not coa gulate, discolor , or change in viscosity greater than 10 KU if tested in accordance with Federal Specification TT -P-1952B.
7.Heat Stability Provide heat stable paint that does not coagulate, discolor , or change in viscosity greater than 10 KU if tested i n accordance with Federal Specification TT -P-1952B.
8.Dilution Test Provide paint that can be diluted with water without curdling or precipitation so that wet paint can be cleaned with water.
9.Storage Stability Provide paint that will not cake, skin, liver, curdle, or hard settle after 30 days in a closed container filled three -quarter full. Ensure the paint can be remixed to a smooth, homogeneous state. Ensure the viscosity does not differ from the original sample by greater than 5 KU. Ensure the pi gment will not settle or cake. Provide paint that will not skin, thicken, spoil, or change in consistency after nine months in storage from the packaging date. Provide paint that can be re -dispersed with a paddle to a smooth, homogeneous condition. (10)Co ntrast Ratio Provide paint with a black/white contrast ratio of at least 0.98 if applied at a wet film thickness of 15 mil [381 µm] on a 2A Leneta Chart, or equivalent, and air dried for 24 hr. The Department defines the contrast ratio as black over white . (11)Reflectance Ensure the daylight directional reflectance is at least 84 percent for white paint and at least 50 percent for yellow paint of a 15 mil [381 µm] wet film applied to a 2A Leneta Chart or an equivalent. After drying for 24 hr, use a Colori meter and ASTM E 97 to measure the reflectance of the paint over the black portion of the chart. (12)Bleeding Provide paint with a bleeding ratio of at least 0.97 if tested in accordance with Federal Specifications TT -P-1952B. Provide asphalt -saturated fe lt in accordance with ASTM D 226, Type I.
712.02 Construction Fabrics
710 (13)Abrasion Resistance Provide at least 50 gal [190 L] of sand to remove paint film if tested in accordance with Federal Specification TT -P-1952B. (14)No -Tracking Time Field Test Dry the paint to a non -tracking co ndition in no greater than 3 min if applied at 17 mil ±1 mil [432 µm ±25 µm] wet film thickness plus 45 lb/ft³ [719 kg/m³] of glass beads at the specified application temperature. The Department defines “no tracking” as the period when the line dries so a vehicle can run over the line at 40 mph [64 km/h] without tracking the reflectorized line when viewed from 50 ft [15 m] away. (15)Dry Through Time Apply the paint to a non -absorbent substrate at a wet film thickness from 17 mil ±1 mil [432 µm ±25 µm]. Pl ace the paint in a humidity chamber controlled 90 ±5 percent relative humidity and from 72.5°F ±2.5°F [22.5°C ±1.4°C]. Determine the dry -through time in accordance with ASTM D 1640, except that the pressure exerted is the minimum amount to maintain contact with the thumb and film. SECTION 712 CONSTRUCTION FABRICS
712.01 Fabric Reinforcement for Asphalt Concret E Pavement
A.General This subsection covers fabrics for hot mix asphalt pavement reinforcement.
B.Requirements Provide fabric in accordance with AASHTO M 288, meeting the Type II paving fabric requirements.
C.Packaging and Storing Obtain fabric rolls of standard width and length from the manufacturer. Ensure the manufacturer uniformly winds the fabric on cylinders or cores for mechanical laydown equipment. Ensure the rolls provide full pavement coverage with minimal joint splices. Protect the fabric from sunlight and moisture by wrapping the rolls. If stored outdoors, elevate the rolls and cove r.
712.02 Geotextiles for Eros Ion Control
A.General This subsection covers pervious fabric under riprap for slope protection, and gabions for separation.
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 714–723 of 935.