710Paint

710.01 General . All paint materials, including vehicle, pigment, paste, driers, thinners,

and mixed paint shall conform to the requirements of these specifications unless otherwise stipulated. Paint shall be furnished ready-mixed or in paste or powder form, as may be specified, and shall be of the ty pe and color shown on the plan s or as otherwise indicated. All paints for incorporation in the work shall be manufactured in the United States. Any paint that has caked, hardened or otherwise deteriorated shall not be used.

710.01.1 Sampling and Testing . Sampling and testing of paint shall be in accordance

with the appropriate method in Federal Test Method No. 141, ASTM and/or Mississippi Test Method. Sampling at the option of the Department will be performed at the point of manufacture or at a designated point of deliver y. When the paint is sampled at the point of manufacture, the Department representative shall be given full access to the manufacturing process. The Central Laboratory may utilize x-ray analysis, gas chromatography, infrared, or ultra violet spectral analysis of the paint or its components to determine whether specified ingredients were used. Paint found not to be in compliance with the approved formula shall not be used.

710.01.2 Containers and Marking . Paint shall be shipped in sturdy leak proof

containers. The size of the containers shall be at the option of the Contractor unless specified otherwise in the contract. Each container or label thereo n shall be marked as follows: Net weight in pounds Net volume in U. S. gallons Color Code number Batch number Name and percentage of each component Name and address of manufacturer Date of manufacture In addition, each container and labeling thereo n shall meet the requirements of State and Federal Regulations for transporting the paint.

710.02 Mixed Paints . Unless otherwise specified, paint shall be delivered completely

mixed and ready for use without further additions or alterations. Paint shall be of a uniform consistency and when applied shall dry to a hard tough film without running, streaking or sagging. All paints and components thereof shall conform to the applicable subsection as contained herein. Mixed paint in storage shall not be exposed to temperatures less than 32°F, or such higher temperature as recommended by the paint ma nufacturer. Paint exposed to temperatures lower than specified will be subj ect to rejection or retesting.

710.02.1 Aluminum Paint. This paint shall be aluminum alkyd paint as specified by the

Steel Structures Painting Council Paint Specifica tions SSPC 101-64T. Paint that is to be stored for periods longer than six months shall be a two component system. Two-component paints shall be prepared by mixing two pounds of aluminum paste with one gallon of vehicle. Type I Leafing Aluminum Paint shall always be used as the finish or top coat. Intermediate coats shall be alternate coats of Type II Non-Leafing Aluminum Paint and Type I Leafing Aluminum Paint.

710.02.2 Fast Drying Acrylic Waterborne Traffic Paint. This specification covers fast

drying acrylic waterborne, ready-mixed white and yellow traffic paints, Codes FDWBTW and FDWBTY.

710.02.2 1--Composition of Formulation. The composition of the paint shall be left to

the discretion of the manufacturer as long as the finished product is composed of 100% acrylic emulsion or one listed on the Depart ment’s APL, and meets the requirements of this specification and of any applicable Federa l, State or Local regulations for products of this type. The paint shall contain no lead, chromium, cadmium or barium. The organic yellow shall be pigment yellow C.I. #75 or #65. Rutile t itanium dioxide shall be used in the yellow paint, FDWBTY.

710.02.2 1.1--Percent Pigment. The percent pigment by weight shall be not less than 45%

or more than 55%.

710.02.2 1.2--Total Non-Volatile. The paint shall have not less than 73% total non-

volatiles by weight.

710.02.2 1.3--Non-Volatile Vehicle. The non-volatile portion of the vehicle shall be

composed of a 100% acrylic polymer or one listed on the Department’s APL, and shall not be less than 44% by weight.

710.02.2 1.4--Organic Matter. The volatile content of the paint shall contain less than

150 grams of volatile organic matter per liter of total non-volatile paint material. 710.02.2.1.5--Solids Volume. The volume of solids shall be not less than 58%.

710.02.2 1.6--Weight per Gallon. The paint shall weigh a minimum of 12.0 pounds per

gallon and the weight of the production batches shall not vary more than ±0.2 pound per gallon from the weight of the qualification samples.

710.02.2 2--No Tracking Time. The paint shall dry to a no tracking condition under traffic

in ninety (90) seconds maximum when applied at 15 ±1 mil. wet film thickness and 110 to 140°F, and from three (3) to ten (10) minutes when applied at ambient temperature with six (6) pounds per gallon of Class A, Standard, glass beads or with twelve (12) pounds per gallon of Class B, High-Visibility, glass beads.

710.02.2 3--Viscosity. The consistency of the paint shall be not less than 75 nor more than

95 Krebs Units (KU) at 77°F when tested in accordance with Federal Test Method Standard No. 141.

710.02.2 4--Flexibility. The paint shall show no cracking or flaking when tested in

accordance with Federal Sp ecification TT-P-1952.

710.02.2 5--Dry Opacity. The minimum contrast ratio shall be 0.96 when drawn with a

0.005 Bird applicator.

710.02.2 6--Daylight Reflectance. The daylight directional reflectance shall not be less

than 85% for white paint and not less than 54% for yellow paint, relative to magnesium oxide, when tested in accordance w ith Federal Test Method No. 141.

710.02.2 7--Abrasion Resistance. No less than 180 liters of sand shall be required for

removal of the paint film when tested in accordance with Federal Specification TT-P-1952.

710.02.2 8--Glass Bead Adhesion. The test for bead adhesion shall be conducted in

accordance with the Abrasion Resistance Test with the exception that the test be modified to require glass beads to be uniformly applied on the paint by gravity flow at the rate of six

710.02.2 9--Bleeding. The paint shall have a minimum bleeding ratio of 0.97 when tested

in accordance with Federal Specification TT- P-1952. The asphalt saturated felt shall conform to Federal Specification HH-R-590.

710.02.2 10--Scrub Resistance. The paint shall pass 300 cycles minimum when tested in

accordance with ASTM D 2486.

710.02.2 11--Freez e-thaw-Stability. The paint shall show no coagulation or change in

consistency greater than five (5) Kreb Units, or a decrease in scrub resistance of greater than 10% when tested in accordance with Federal Specification TT-P-1952.

710.02.2 12--Dilution Test. The paint shall be capable of dilution with water at all levels

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

710.02.2 13--Storage Stability. After 30 days storage in a three-quarters filled, closed

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

710.02.2 14--Accep tance Procedure. The traffic paint must be obtained from a

manufacturer on the Department's APL for tr affic paint manufacturers. Acceptance will be based on results of tests performed by the Central Laboratory on random samples obtained from delivered batches. Certification, sampling and acceptance shall be in accordance with the requirements of the Department’s Materials Division Inspection, Testing, and Certification Manual and the Department’s SOPs.

710.03 Inorganic Zinc Rich System .

710.03.1 Inorganic Zinc Primer. The shop coat or prime coat shall be a self-curing

multiple component inorganic zinc rich primer conforming to the requirements of AASHTO M 300, Type I or Type II. The inorganic zinc rich primer, as applied, shall meet State and Federal regulations on Volatile Organic Compounds (VOC). The inorganic zinc primer shall be formulated so as to produce a distinct contrast in color with the blast cleaned metal surface and the intermediate field coat to be applied thereon. The inorganic zinc primer must be one from the Department's APL. The paint manufacturer's technical repr esentative who is certified by the National Association of Corrosion Engineers (NACE) shall be present at the beginning of coating operations as needed to provide technical expertise in the application of the coating. This technical expertise shall be provided without additional cost to the Department. The fabricator is responsible for arranging for the presence of the manufacturer's technical representative.

710.03.2 Epoxy Mastic Field Touch-Up Paint. Inorganic zinc primer coat that has been

damaged during storage, handling, transporting and/or erection shall be repaired using epoxy mastic touch-up paint prior to finish coating. Epoxy mastic touch-up paint shall be manufactured or recommended by the supplier of the inorganic zinc primer, shall be as listed on the Department's APL and, as applied, shall be VOC compliant with State and Federal Regulations. The epoxy mastic touch-up paint shall conform to the same formulation as originally approved by the Department. Determination of conformance to the originally approved formulation will be based on physical tests and infrared spectrum. The results of these tests shall be in agreement with the results obtained on the originally approved formulation.

710.03.3 Acrylic Latex Intermediate and Top Coats, Field Coats. The acrylic latex

field coats shall be manufactured by the supplier of the inorganic zinc primer coat, shall be as listed on the Department's APL and, as app lied, shall be VOC compliant with State and Federal regulations. The acrylic latex paint shall conform to the same formulation as originally approved by the Department. Determination of conformance to the originally approved formulation will be based on physical tests and infrared spectrum of the vehi cle component. The in frared spectrum, 2.5 to 15 microns, of the vehicle component shall agree with the infrared spectrum of the vehicle component of the originally approved paints in both peak position and relative intensity of the peaks. The color of the acrylic latex intermediate coat shall be white in color. The color of the acrylic latex top coat shall be light gray in color. At the Engineer's request, the paint manufactur er's technical representative who is certified by the National Association of Corrosion Engineers shall be present at the job site at the beginning of each separate coating operation as needed to provide technical expertise in the application of the field coats. This te chnical expertise shall be provided without additional cost to the Department. The Contr actor shall be responsible for arranging for the presence of the manufacturer 's technical representative.

710.03.4 Mixing of Paint . All paint shall be mixed in accordance with the paint

manufacturer's printed instructions.

710.03.5 Packaging and Marking. Multiple component paints shall be furnished in

premeasured packages so as to form one unit of mixed paint when mixed with the vehicle in its container. The containers for all paints shall be coated as necessary to prevent attack by the paint. Each container shall bear a label with the following information shown thereon: name and address of manufacturer, trade mark or trade name, kind of paint, date of manufacture and lot number, mixing instructions and equipment clean-up instructions. The VOC content shall be stated either on the label, product data sheet, or Material Safety Data Sheet.

710.03.6 Acceptance Procedure. Prior to use, the Contractor must furnish the Engineer

a certificate from the manufactur er, covering each lot of paint in the shipment, attesting that the paint in the shipment conforms to the same formula as that originally approved by the Department. Final acceptance of the paint will be based on results of tests performed by the Central Laboratory on samples obtained by the Department's representative prior to or after delivery. The use of any lot of paint prio r to its final acceptance shall be prohibited.

710.04 Epoxy Mastic System . The coating system shall consist of a modified epoxy

mastic prime coat with a uniform dry film th ickness of not less than five nor more than eight mils and a vinyl finish coat of not less than three nor more than five mils.

710.04.1 Prime Coat . The prime coat shall be a two-component epoxy mastic designed

as a one-coat high-build comp lete protective coating system with excellent adhesion to rusted steel and old coating systems after su ch surfaces have been cleaned as specified.

710.04.1 1--Pigment . The silica and metallic aluminum pigment shall include rust

inhibitors and adhesion reinforcers / promoters. The aluminum factor shall contain both leafing and non-leafing types.

710.04.1 2--Vehicle . The vehicle shall be a modified epoxy-polymide resin formulated to

have suitable insensitivity to moisture and shall contain special wetting agents to ensure adequate adhesion.

710.04.1 3--Mixed Paint . The mixed paint shall conform to the following requirements:

710.04.1 4--Packaged Qualities . The paint shall be supplied as a two-package material

with a one-to-one mixing ratio and shall be well ground and not caked, skinned or badly settled in the container. Usable shelf life shall be not less than 12 months.

710.04.1 5--Flexibility Test . A five mil dry film thickness of paint shall be applied to one

side of a 4-inch x 30-inch x 1/8-inch steel panel that has been cleaned in accordance with Steel Structures Painting Council SSPC-SP-5, Commercial Blast Cleaning. After the coating has been cured for two weeks at 75°F, it shall show no signs of cracking or loss of adhesion after the panel is uniformly bent 180 degrees (coated side out) around an eight-inch diameter pin.

710.04.1 6--Resistance Tests . A 3-inch by 5-inch by 1/8-inch test panel meeting the

requirements of ASTM D 609 shall be prep ared by blast cleaning in accordance with SSPC-SP-6, Commercial Blast Cleaning. After cleaning, the panels shall be exposed to the weather for 30 days to allow uniform rusting. The panels shall then be hand-cleaned with a wire brush in accordance with SSPC-SP-2. The modified epoxy mastic paint shall be spray applied in one coat to the prepared panels with a uniform dry film thickness of six m ils. Curing shall be in accordance with manufacturer's recommendations. Each test shall be performed on one or more panels, and the paint will be unacceptable if it fails one or more of the following tests:

710.04.2 Vinyl Finish Coat, Field Coat . The vinyl finish coat shall be manufactured by

the supplier of the prime coat. The vehicle sha ll consist essentially of vinyl chloride-acetate copolymer resin dissolved in aromatic or ketone and aromatic solvents. The vinyl coat shall display compatibility with, and adhesion to, the cured primer film when applied in accordance with the manufacturer 's printed instructions.

710.04.2 1--Composition . The vinyl finish coat shall be gray in color and supplied in a

single package at a consistency ready for use. It shall be well ground and not caked, livered, skinned or badly settled in the container. The vinyl finish coat shall contain not less than 29% pigment and 19% vehicle for a total of no less than 48% solids by weight. The weight per gallon shall be 9.6 ±0.5 pounds at 77°F. The grind minimum shall be four. Any extender pigments shall be barytes. The vinyl finish coat shall air dry at temperat ures of 70°F or above to a hard tough film within four hours, entirely by evaporation of solvents. It shall be dry-to-touch in 25 minutes at 70°F.

710.04.3 Packaging . Two-component paint shall be packaged so that one unit of pigment

can be mixed with the vehicle in its container. The containers for all paints shall be coated as necessary to prevent attack by the paint. Each container shall be plainly marked with the net weight in pounds, net volume in U. S. gallons, color, code number, batch number(s), the name and address of the manufacturer and the date of manufacture. Each container, or label thereon, shall bear a true statement of the name and percentage of each component or constituent, both so lid and liquid. Any package not so marked will be unacceptable. Each shipment of paint shall be accompanied by complete written instruction and precautions for use, either on the container label or in a separate document.

710.04.4 Acceptance Procedure . Before each shipment is used, the Contractor must

furnish the Engineer a certificate from the manufacturer attesting that the commercial product furnished conforms to the same formula as that previously approved. Final acceptance will be based on results of tests performed on sa mples obtained by the Department prior to or after delivery. Batches of paint found not to be of the approved formulation will be rejected.

710.05 Primer for Miscellaneous Metals . The primer shall be a commercial product

formulated primarily for industrial use, to combine weather durability, resistance to mildly corrosive exposures, with good film build and ease of application with all generally used methods.

710.06 Fast Dry Solvent Traffic Paint. Fast dry solvent traffic paints intended for use

under this specification shall include products that are single packaged and ready mixed. Upon curing, these materials shall produce an adherent, reflective pavement marking capable of resisting deformation by traffic. The manufacturer shall have the option of formulating the material according to their specifications. However, the requirements delineated in this specification, Section 619 and Section 710 shall apply regardless of the formulation used. The material shall be free from all skins, dirt and foreign objects.

710.06.1 Composition.

710.06.1 1--Percent Pigment. The percent pigment by weight shall be not less than 51%

or more than 58% when tested in accordance with ASTM D 3723.

710.06.1 2--Viscosity. The consistency of the paint shall be not less than 75 nor more than

95 Krebs Units (KU) when tested in accordance with ASTM D 562.

710.06.1 3--Weight per Gallon. The paint shall weigh a minimum 11.8 pounds per gallon

and the weight of the production batches shall not vary more than ±0.5 pounds per gallon from the weight of the qualification samples when tested in accordance with ASTM D 1475.

710.06.1 4--Total Solids. The percent of total solids shall not be less than 70% by weight

when tested in accordan ce with ASTM D 2369.

710.06.1 5--Dry Time (No pick-up). The paint shall dry to a no tracking condition in a

maximum of 10 minutes.

710.06.1 6--Volatile Organic Content. The volatile organic content (VOC) shall contain

a maximum of 1.25 pounds of volatile organic matter per gallon of total non-volatile paint material when tested in acc ordance with ASTM D 3960.

710.06.1 7--Bleeding. The paint shall have a minimum bleeding ratio of 0.95 when tested

in accordance with Federa l Specification TT-P-115D.

710.06.1 8--Color. The initial daytime chromaticity for yellow materials shall fall within

the box created by the following coordinates: Initial Daytime Chromaticity Coordinates (Corner Points) 1 2 3 4 x 0.53 0.51 0.455 0.472 y 0.456 0.485 0.444 0.4 The initial daytime chromaticity of white materials shall fall within the box created by the following coordinates: Initial Daytime Chromaticity Coordinates (Corner Points) 1 2 3 4 x 0.355 0.305 0.285 0.355 y 0.355 0.305 0.325 0.375

710.06.2 Environ mental Requirements. All yellow materials using lead chromate

pigments shall meet the criteri a of non-hazardous waste as defined by 40 CFR 261.24 when tested in accordance with EPA Test Method 1311, Toxicity Ch aracteristics Leaching Procedures (TCLP). The striping and marking material, upon preparation and installation, shall not exude fumes that are toxic, or detrimental to persons or property. All material using lead free pigments shall NOT contain either lead or other Resource Conservation and Recovery Act (RCCA) materials in excess of the standard defined by EPA Method 3050 and 6010.

710.06.3 Acceptance Procedures. Acceptance of all fast dry solvent based traffic paint

will be based on the Manufacturer’s Certif ication and Certified Test Results. The Contractor shall furnish the Engineer with th ree copies of the manufacturer’s certification stating that each lot of material in a shipment complies with the requirements of the contract. In addition, the Contractor shall provide Certified Test Reports for all tests required by this specification. The test results shall be representative of the material contained with the shipment.

710.07 High Build Water Borne Traffic Paint. The high build traffic paint shall be

quick dry water-borne traffic paint to be applied on asphalt or concrete pavements. The paint must perform properly when preheated to 110° to 130°F and accept glass beads so that the spheres are imbedded to a depth of 50 percent of their diameter. All paint materials, including vehicle, pigment, paste, driers, thinners, and mixed paint shall conform to the requirements of these specifications unless otherwise stipulated. Paint shall be furnished ready-mixed or in paste or powder form, as may be specified, and shall be of the type and color shown on the plans or as otherwise indicated. All paints for incorporation in the work shall be manufactured in the United States. Any paint that has caked, hardened or otherwise deteriorated shall not be used.

710.07.1 Sampling and Testing . Sampling and testing of paint shall be in accordance

with the appropriate method in Federal Test Method No. 141, ASTM and/or Mississippi Test Method. Sampling at the option of the Department will be performed at the point of manufacture or at a designated point of deliver y. When the paint is sampled at the point of manufacture, the Department representative shall be given full access to the manufacturing process. The Central Laboratory may utilize x-ray analysis, gas chromatography, infrared, or ultra violet spectral analysis of the paint or its components to determine whether specified ingredients were used. Paint found not to be in compliance with the approved formula shall not be used. A sample may be taken by the Department at random from the initial shipment of each batch received by the Contractor and forwarde d to the Central Laboratory and tested for compliance with all requirements of this specification. If the test results fail, another sample will be taken from the same batch numbe r and re-tested. Unacceptable test results shall be cause to reject the entire batch of traffic paint.

710.07.2 Containers and Marking . Paint shall be shipped in sturdy leak proof

containers. The size of the containers shall be at the option of the Contractor unless specified otherwise in the contract. Each container or label thereo n shall be marked as follows: Net weight in pounds Net volume in U. S. gallons Color Code number Batch number Name and percentage of each component Name and address of manufacturer Date of manufacture In addition, each container and labeling thereo n shall meet the requirements of State and Federal Regulations for transporting the paint.

710.07.3 High Build Paint. This material shall be a rapid setting waterborne compound

suitable for use with hot application equipment. The material shall meet the requirements of Table 1. The paint emulsion shall be one listed on the Department’s APL. White paint shall contain a minimum of 1.0 pound per gallon of titanium dioxide conforming to ASTM D 476 and the yellow paint shall be Hansa Yellow (11-2400). The paint shall be tested by analytical infrared (IR) spectroscopy. Table 1 Water Borne Traffic Pain t Physical Properties Property Requirements Test Method Min Max PH 9.9 ASTM E 70 Viscosity, at 25°C Krebs Unit 80 95 ASTM D 562 Drying Time Minutes -- 10 ASTM D 711 Percent Pigment * 55 62 ASTM 3723 Total Solids,% 73 79 ASTM D 2369 Weight Per Gallon, lbs./gal ASTM D 1475 White 13.7 Yellow 13.1 Daylight Reflectance, % ASTM E 1349 White Not less than 84%, relative to magnesium oxide -- Federal Test Method No. 141 Yellow Not less than 54%, relative to magnesium oxide -- Federal Test Method No. 141 Color Pass ASTM D 6628 Pigment Composition Pass See above IR Pass See above * No theoretical empirical factor shall be applied in determining the pigment percent of the paint. Percent pigment will not be calculated by adding back the burned off organic constituents of the pigment. Color -- Yellow shall conform to requirements of the Table 2 listed below when tested in accordance with ASTM E 1349. Table 2 Water Borne Traffic Paint Color Specification Limits (Daytime) Color 1 2 3 4 x y x y x y x y Yellow 0.500 0.428 0.470 0.456 0.500 0.483 0.530 0.456 The four pairs of chromaticit y coordinates determine the acceptable color in terms of the CIE 1931 Standard Colorimetric System measured with Standard Illuminant D65. 710.07.4--Glass Beads. Glass beads shall meet the requ irements of Subs ection 720.01 for Class ‘B’ High Visibility beads. SECTION 711 - REINFORCEMENT AND WIRE ROPE

711.01 Deformed and Plain Carbon-Steel Bars for Concrete Reinforcing and Wire

Rope - General . All reinforcement used in concrete construction, unless otherwise specified in the plans, shall conform to the provisions and requirements hereinafter set out. When incorporated into the work, reinforcement shall be reasonably free of dirt, paint, oil, grease, loose-thick rust, or other foreign substances and, when deemed necessary, shall be cleaned to the satisfaction of the Engineer. Tight-thin rust or powdering rust shall not be cause to require cleaning. Reinforcement that has rusted sufficiently to cause it to fail to meet specified physical proper ties or prestressing strands di splaying pits visible to the naked eye shall be rejected.

711.02 Deformed and Plain Carbon-Steel Bars for Concrete Reinforcing .

711.02.1 Deformed and Plain Ca rbon-Steel Bars for Concrete . Cut lengths and coils

of reinforcing steel rebar shall conform to the requirements of AASHTO M 31. Concrete reinforcing shall meet or exce ed Grade 60 in AASHTO M 31. Bars shall be fabricated as indicated on th e plans; shall be cold-bent, unless otherwise permitted, to the shapes shown on the plans or as directed; and shall be bent prior to being wholly or partially embedded in concrete. Unless otherwise authorized or provided on the plans, bends or hooks shall not be fabricated to a smaller diameter than that indicated for the bend test. Rail steel bars shall be bent to the specified shapes at the mill or fabricating plant.

711.02.2 Welded Deformed St eel Bar Mats for Concrete . Welded deformed steel bar

mats for concrete pavement reinforcement shall meet or exceed Grade 60 billet steel according to AASHTO M 31 and shall confor m to the requirements of AASHTO M 54.

711.02.3 Steel Welded and Non-Welded Wire Reinforcement, Plain and Deformed,

for Concrete . Welded or non-welded concrete reinforcing wire, plain or deformed or a combination thereof, sh all meet the following.

711.02.3 1--Plain Steel Wire . Plain steel wire shall conform to the requirements of