Paints
708.01General. This specification covers ready-mixed paints and coatings. Paints and coatings
shall be manufactured eight weeks or less before delivery to the project. Each paint container shall be labeled with the name and address of the manufacturer, trade name or trademark, type of paint, number of gallons, batch number, and date of manufacture. Paints shall be free of foreign material that is capable of clogging screens, valves, pumps, and other parts of the application equipment. Paint shall not contain the following:
The Contractor shall obtain certification in writing from the manufacturer showing that the product is free of the materials described above and that it meets or exceeds the requirements of 29 CFR 1910.1200. Paints shall not form a surface skin within 48 hours in three-quarter filled, tightly closed containers. Paint and coating pigments shall be lead free, and shall not thicken, become granular, or curdle in their containers. Volatile Organic Compound (VOC) levels for paints and coatings shall comply with the most current EPA regulations. All product compositional proportions are specified by weight. Material Safety Data Sheets and manufacturer’s recommended application instruction sheets representing each paint and coating shall be submitted to the Engineer for the project records before use.
708.02List of Paints
Paints Specification Structural Steel Bridge Paint Subsection 708.03 White Wood Primer TT-P-25 Outside White Paint TT-P-102, Class A Exterior Black Paint TT-P-61 Black or White Baking Enamel TT-E-489, Class B
Federal Yellow Enamel TT-E-489, Class A Aluminum Paint Subsection 708.04 Pavement Marking Paint Subsection 708.05
708.03
708.03Structural Steel Bridge Paint. All structural steel shall be painted using an Inorganic
Zinc-Rich Polyurethane System. The primer shall be an approved inorganic zinc-rich primer conforming to the requirements of Table 1 of the STEEL STRUCTURES PAINTING COUNCIL SPECIFICATION NO. 20 (SSPC-PAINT 20). The vehicle of this primer shall be SSPC-Paint 20, Type 1-C. The primer shall be applied according to the manufacturer's recommendations with a minimum dry film thickness of three mils. The manufacturer shall certify in writing to the Engineer that the SSPC-SP 6 steel cleaning is compatible with the primer used. The topcoat shall be an approved high-build polyurethane enamel with a minimum dry film thickness of three mils. To prevent bubbling, a mist coat shall be applied before application of the topcoat.
708.04Aluminum Paint. The paint shall be supplied ready-mixed in the proportion of
(ASTM D962, Type II, Class B) 2 pounds of aluminum paste per 1 gallon of mixing varnish (see subsection 708.06 (c)). Aluminum paint shall dry to touch in 1/2 to 4 hours and dry hard in 18 hours, maximum. Material will be inspected for leafing on a vertical primed steel surface at a spreading rate of 400 square feet per gallon.
708.05Pavement Marking Materials. All pavement-marking materials shall be selected
from the Department’s Approved Products List (APL). Before start of work, a Certificate of Compliance (COC) for all pavement marking materials shall be submitted per subsection
106.12
requirements: White – Federal Standard No. 595B-17925. The Yellowness Index (YI) of white shall not exceed 8.0 per ASTM E313 initially. The color after drying shall be a flat white, free from tint, and shall provide the maximum amount of opacity and visibility under both daylight and artificial light. Yellow – Materials for pavement markings shall meet the initial daytime chromaticity that falls within the box created by the following corner points: Table 708-1 Initial Daytime Chromaticity Coordinates (Corner Points)
1 2 3 4 x 0.530 0.510 0.455 0.472 y 0.456 0.485 0.444 0.400
binder (nonvolatile portion of vehicle) shall be 100 percent FASTRACK XSR acrylic polymer, by weight, as determined by infrared analysis or other chemical analysis available to the Department.
708.05
The paint shall meet the requirements of Table 708-2.
(nonvolatile portion of vehicle) shall be 100 percent FASTRACK HD 21A acrylic cross-linking polymer, by weight, as determined by infrared analysis or other chemical analysis available to the Department. The paint shall meet the requirements of Table 708-3.
Acrylic Waterborne paint shall be water resistant and shall show no softening or blistering. Table 708-2 Low Temperature Acrylic Waterborne Paint
Property White Yellow Test Method Nonvolatile portion of vehicle (white 41.0 41.0 ASTM D2205 and yellow), % (min.) (min.) Pigment Composition ASTM D4451 Percent by weight♦ 58-62 58-62 ASTM D3723 Paint 1.0 Titanium Dioxide Content, lb/gal ASTM D5381 (min.) Properties of the Finished Paint FTMS 141C - Method Total Non-volatiles, (solids) % by 75.0 75.0 4053.1, weight (min.) (min.) ASTM D2369, or ASTM D4758 13.3- 13.1- Density, lb/gal ASTM D2205 13.9 14.0 Consistency (Viscosity) White and 75-85 75-85 ASTM D562 Yellow, Krebs-Stormer Units Shall complete 5 or more test Freeze Thaw Stability ASTM D2243 cycles successfully Fineness of Grind, Cleanliness Rating 3 3 ASTM D1210 B, minimum Scrub Resistance 800 800 ASTM D2486 Directional Reflectance: [15 mil Wet 88 50 ASTM E1347 Film] (min.) (min.) Dry Opacity (Contrast Ratio): 0.98 0.98 ASTM D2805 [15 mil Wet Film] (min.) (min.) Table 708-2 Notes: ♦Percent by weight shall include percent of organic yellow pigment.
708.06 Table 708-3 High Build Acrylic Waterborne Paint
Property White Yellow Test Method Nonvolatile portion of vehicle (white 43.0 43.0 ASTM D2205 and yellow), % (min.) (min.) Pigment Composition ASTM D4451 Percent by weight♦ 60-62 60-62 ASTM D3723 Paint 1.0 Titanium Dioxide Content, lb/gal ASTM D5381 (min.) Properties of the Finished Paint FTMS 141C - Method Total Non-volatiles, (solids) % by 77.0 77.0 4053.1, weight (min.) (min.) ASTM D2369, or ASTM D4758 14.0- 13.7- Density, lb/gal ASTM D2205 14.6 14.3 Consistency (Viscosity) White and 85-95 85-95 ASTM D562 Yellow, Krebs-Stormer Units Shall complete 5 or more test Freeze Thaw Stability ASTM D2243 cycles successfully Fineness of Grind, Cleanliness Rating 3 3 ASTM D1210 B, minimum Scrub Resistance 800 800 ASTM D2486 Directional Reflectance: [15 mil Wet 88 50 ASTM E1347 Film] (min.) (min.) Dry Opacity (Contrast Ratio): 0.98 0.98 ASTM D2805 [15 mil Wet Film] (min.) (min.) Table 708-3 Notes: ♦Percent by weight shall include percent of organic yellow pigment.
708.06Materials - Specifications
Chrominum Oxide, (Green) ASTM D263 Magnesium Silicate ASTM D605 Titanium Dioxide ASTM D476, Class IV Red Iron Oxide ASTM D3721 Black Iron Oxide ASTM D769 Yellow Iron Oxide ASTM D768
708.07
of montmorillonite with a high gelling efficiency in a wide range of organic liquids. It shall be a fine, creamy, white powder with maximum water content of 3.0 percent and a maximum of 5.0 percent retained on the 75 μm (No. 200) sieve. Organo-montmorillonite shall be prewetted with methanol or ethanol as recommended by the manufacturer.
Material Specification Resin- 100% Phenol Formaldehyde MIL-R-15189A Oil-Tung ASTM D12 Mineral Spirits ASTM D235 Driers - Cobalt and/or manganese ASTM D600
Properties of Varnish Viscosity (G-H) A-C Oil Length 275 liters per 100 kilograms of resin (33 gal) Nonvolatile 55% min. Proportion of Thinners 90% Mineral Spirits, 10% Xylene Color (Hellige) 12 max. Zinc Reactivity None Kauri Reduction 140% min. Rosin and Rosin Derivatives None Appearance Clear and Transparent Drying Time: Set to Touch 1 to 3 hr. Dry Hard 18 hr max.
Alkali Resistance. No visible attack to film dried 72 hours after 8 hours in 5% sodium hydroxide solution at 21 °C (70 °F).
708.07Pavement Primers. The type and application rate of epoxy resin primer shall be as
recommended by the thermoplastic or preformed plastic pavement-marking manufacturer.
A primer application rate of zero will not be accepted, except for thermoplastic marking and inlaid preformed plastic pavement marking placed on new asphalt surfaces as recommended by the manufacturer and approved in writing by the Engineer. However, if the Engineer determines that a new asphalt surface has become soiled, before placement of the pavement markings, pavement primer will be required and shall be applied as approved.
The epoxy resin primer material may be accepted at the job site based on a manufacturer's certification, or a sample may be sent to the Laboratory for testing, in which case three weeks shall be allowed between sampling and intended use.
708.08Structural Concrete Coating. The Coating shall be a one-component, high-build,
non-vapor barrier, 100 percent acrylic emulsion in water, and a texturing agent.
708.09 Table 708-4 Minimum Physical Properties Solids by 48 percent (Without texturing agent) Weight Solids by 36 percent (Without texturing agent) Volume Weight per 8.3 lb/gal (Without texturing agent) gallon Texturing 3.2 to 3.8 lb/gal), No. 40 to 60 Ottawa Agent sand or equivalent
All coating material shall be delivered to the project site in sealed containers bearing the manufacturer’s original labels.
A material safety data sheet (MSDS) prepared per Federal Standard 313 and a complete set of manufacturer's mixing and application instructions shall be submitted to the Engineer before the Contractor begins applying the coating.
708.09Inspection and Testing. The manufacturer shall notify the Engineer well in advance
of actual paint manufacture in order to arrange for sampling and testing of raw materials and inspection of paint production.
Test methods shall be according to ASTM or, if not covered, Federal Test Method Standard No. 141.
All paint shall have been approved before delivery.
Paints in other states
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