856.02 Packaging and Labeling of Containers.
855.10 Paint For Concrete and Masonry.
FSS TT -P-24. Type I - White only. Type II - Tint-base-white for tinting. Primarily intended to be used as a primer and finish coat on outside surf aces. It can be used inside over suitable primed concrete, brick, stucco, and similar surfaces except floors. The dried coat is an eggshell color.
855.11 Paint For Masonry.
FSS TT -P-19. Acrylic Emulsion Type, for exterior use.
855.12 Olive -Drab (Exterior).
FSS TT -P-81.
855.13 Green Exterior Paint.
FSS TT -E-489.
855.14 Enamel (Exterior).
FSS TT -E-489. Class A - Air-drying. Class B - Baking. This enamel gives a high -gloss finish to be used over previously primed smooth wood or metal surfaces. Color selection is wide. It is suitable for signs and automotive equipment.
855.15 Zinc Coating for Galvanization and Coating Repair.
The zinc coating used for the repair of damaged galvanization and the repair of zinc coatings shall be one of the coatings given under the classification "Zinc -Rich Coating for Repairing Galvanized Items or Zinc Coatings" shown in List III -1 "Coating Systems for Structural Steel."
855.16 Asphalt Varnish.
FSS-TT-V-51.
855.17 Shellac Varnish.
FSS TT -S-300.
855.18 Spar Varnish.
FSS TT -V-121. TRAFFIC MARKING MATERIALS
856.01 Acceptance Program for Traffic Marking Materials.
The guidelines for the evaluation and acceptance of traffic marking materials are given in the proce dure ALDOT- 420 "Acceptance Program for Traffic Marking Materials". These guidelines shall be followed in furnishing traffic marking materials.
856.02 Packaging and Labeling of Containers.
Traffic marking materials shall be shipped in containers that are plainly marked with the weight in pounds per gallon {kilograms per liter}, the volume in gallons {liters}, the color, user information, date of manufacture, lot and batch number. Each batch shall have a unique number. A statement of the percentage composi tion of the pigment, the proportion of pigment to vehicle, and the name and address of the manufacturer shall also be shown. The label shall contain any instructions for special handling or precautions for use of the material that are recommended by the ma nufacturer. Containers with inadequate indentification and marking will not be accepted for use. The date of manufacture and the shelf life shall be shown for materials that have a shelf life. Preformed thermoplastic materials and permanent tape products shall be marked with content, color, date of manufacture and lot number.
856.03 Color and Luminance Factor
856.03 Color and Luminance Factor
The materials for pavement stripe, markings and legends shall meet the performance requirements given in ASTM D 6628 as tested in accordance with th e requirements given in ASTM E 1349 with the instrument set to read x, y and Y coordinates with 45 degree/0 degree by -directional geometry, observer angle 2 degrees, and illuminant D65 with the exception of the following: 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 0.498 0.557 0.479 0.438 Y 0.412 0.442 0.520 0.412 The initial daytime chromaticity for white materials shall fall within the box created by the following coordinates: Initial Daytime Chromaticity Coordinates (Corner Points) 1 2 3 4 X 0.330 0.368 0.340 0.274 Y 0.300 0.366 0.393 0.329 White and yellow materials shall meet the following luminance factor requirements: • White: Daylight luminance factor at 45 degrees/0 degrees - 50 % minimum; • Yellow: Daylight luminance factor at 45 degrees/0 degrees – 35 % minimum.
856.04 Environmental Requirements.
All yellow materials using lead chromate pigments shall meet the criteria of non -hazardous waste as defined by 40 CFR 261.24 when tested in accordance with EPA Method 1311, Toxicity Characteristics Leaching Procedures (TCLP). The striping and marking material, upon preparation and instal lation, shall not exude fumes which 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 (RCRA) materials, in excess of the standard defined by EPA Method 3050 and 6010.
856.05 Glass Beads.
Glass Beads shall meet the requirements given in AASHTO M 247 and shall not contain greater than 200 ppm (total) for arsenic, 200 ppm (total) for antimony, and 200 ppm (total) for lead when tested according to US EPA Method 3052 and 6010. The manufacturer shall provide independent certified test results that the glass beads meet these requirements. Type 1, 3 and 4 glass beads used for drop on beads shall be coated with a bead coating that is compatible with th e traffic marking material to which the glass beads will be applied and will provide adequate moisture proofing, increased adhesion, and optimum embedment of the glass beads. Beads used in the intermix (premixed with paint, thermoplastic or other striping materials) are not required to be coated. Glass beads shall meet the gradations shown in the following table.
856.07 Class 1H High Bui ld Paint.
GRADATIONS OF GLASS BEADS, % PASSING DESIGNATED SIEVE Sieve Size * Type of Gradation Type 1 Type 3 Type 4 3M "Reflective Elements" S series 50 % Type 1 and 50 % Type 3 Intermixed 50 % Type 1, 37.5 % Type 3 and 12.5 % 3M "Reflective Elements" Intermixed 10 100 100 100 12 100 95 - 100 85 – 100 100 14 95 - 100 80 - 95 70 - 96 95 – 100 95-100 16 100 80 - 95 10 - 40 50 - 90 85 – 100 85-100 18 10 - 40 0 - 5 5 - 60 55 – 75 50-75 20 95 - 100 0 - 5 0 - 2 0 - 25 40 – 60 45-55 25 0 - 2 40 - 60 30 75 - 95 0 - 7 35 – 55 35-50 50 15 - 35 5 – 25 5-20 100 0 - 5 0 - 5 0-5 * Sieve analysis in accordance with the requirements given in ASTM D 1214
856.06 Class 1 Paint.
Class 1 paint shall be one of the materials shown on List V -4, Permanent Traffic Marking Materials. List V -4 is in the Department’s Manual, “Materials, Sources and Devices with Special Acceptance Requirements”. Manufacturers of Class 1 paint shall particip ate in ALDOT -420, “Acceptance Program for Traffic Marking Materials”.
856.07 Class 1H High Build Paint.
Class 1H paint shall not be used after the expiration of the shelf life. The paint shall be easily stirred and mixed to a uniform consistency prior to use. Manufacturers of Class 1H paint shall participate in ALDOT -420, “Acceptance Program for Traffic Marking Materials”. Class 1H High Build Paint shall meet the following requirements.
856.08 Class 2 and Class 2T Spray Applied Thermoplastic.
PHYSICAL AND PERFORMANCE REQUIREMENTS FOR HIGH BUILD TRAFFIC PAINT PROPERTY VALUE TEST METHOD Acrylic Resin 100 % Rohm & Haas Rhoplex Fastrack HD -21A emulsion with 48.5 – 49.5 % solids content, or Dow DT 400NA acrylic emulsion with 49.5 – 51.5 % solids content, or an approved equal. ASTM D 2743 Infrared Spectral Analysis Nonvolatiles in Vehicle 42 % Minimum by Weight ASTM D 215 No Track Time Maximum of 10 minutes ASTM D 711 Volatile Organic Content Maximum of 1.25 Pounds per Gallon ASTM D 3960 Pigment Content Minimum of 55% by Weight Maximum of 62% by Weight ASTM D 3723 Total Solids Content Minimum of 73 % by Weight Maximum of 79 % by Weight ASTM D 2369 White Pigment Content, Rutile Titanium Dioxide Minimum of 1.0 Pound per Gallon ASTM D 476 Yellow Pigment Content, Hansa Yellow (11 -2400) % minimum per manufacturer - Viscosity @ 77ºF (25ºC) Kreb Units 78 – 95 ASTM D 562 Density in Pounds per Gallon White – 13.7 Minimum Yellow – 13.1 Minimum ASTM D 1475 Scrub Resistance Pass Minimum 300 cycles ASTM D -2486 PH 9.6 Minimum ASTM E 70 Daylight Reflectance % White – 80 Minimum Yellow – 50 Minimum ASTM E 1349
856.08 Class 2 and Class 2T Spray Applied Thermoplastic.
Thermoplastic shall be alkyd based materials. Manufacturers of Class 2 and Class 2T Thermoplastic shall participate in ALDOT -420, "Acceptance Program for Tra ffic Marking Materials". Reflective glass beads shall be mixed into the thermoplastic as a part of the manufacturing process. The intermixed glass beads shall be either 50 % Type 1 and 50 % Type 3 beads or 50% Type 1, 37.5 % Type 3, and 12.5 % 3M "Reflecti ve Elements". The pigment, glass beads and filler shall be well dispersed in the resin. The composition of Class 2 and Class 2T thermoplastic material shall be in accordance with the following.
856.09 Preformed Thermoplastic
COMPOSITION OF CLASS 2 and CLASS 2T THERMOPLASTIC (% BY WEIGHT ) COMPOSITION VALUE FOR WHITE VALUE FOR YELLOW (Lead Free) VALUE FOR YELLOW (Leaded) TEST METHOD Binder 20.0 % minimum 20.0 % minimum 20.0 % minimum AASHTO T 250 White Pigment TiO2, Type II Rutile 10.0 % minimum - 1.5 % minimum ASTM D 476 Glass Beads (Intermixed) 40.0 % minimum 40.0 % minimum 40.0 % minimum AASHTO T 250 Yellow Pigment, Lead Chromate - N/A 5.0 % minimum * AASHTO T 250 Yellow Pigment, Organic Pigment Yellow 83 - % minimum per manufacturer ** N/A - Calcium Carbonate and Inert Filler ( -200 mesh { -75 µm} sieve) 30.0 % maximum 37.5 % maximum 33.5 % maximum ASTM D 1199 * Note: For yellow leaded thermoplastic markings the pigment shall be silica encapsulated lead chromate yellow, containing a minimum of 42 % lead. ** Note: For yellow lead free markings the pigment shall be an organic pigment yellow 83. The lead free yellow thermoplastic material shall contain no more than 100 ppm of lead, cadmium, or hexavalent chromium. The physical requirements for the thermoplastic shall be in accordance with the following. PHYSICAL REQUIREMENTS OF CLASS 2 and CLASS 2T THERMOPLASTIC (% BY WEIGHT) PROPERTY MAXIMUM MINIMUM TEST METHOD Water Absorption 0.5 % - ASTM D 570 Softening Point - 195 ºF {90 ºC} ASTM D 36 Low Temperature Stress Resistance - Pass AASHTO T 250 Specific Gravity 2.3 1.9 ASTM D 792 Indentation Resistance 75 40 ASTM D 2240* Shore Durometer, A2 Impact Resistance - 1.0 N·m ASTM D 256, Method A Flash Point - 475 ºF {245 ºC} ASTM D 92 *The durometer and panel shall be at 110 ºF {45ºC} with a 4.4 lb {2.0 kg} load applied. Instrument measurement shall be taken after 15 seconds.
856.09 Preformed Thermoplastic
Preformed Thermoplastic shall be alkyd based materials. Manufacturers of Class 2 Preformed Thermoplastic shall participate in ALDOT -420, "Acceptance Program for Traffic Marking Materials". Preformed Thermoplastic shall conform to all physical and composition requirements of Class 2 and 2T Thermoplas tic with the exception that preformed Thermoplastic shall contain 30% intermix glass beads.
857.01 General.
SECTION 857 TEMPORARY TRAFFIC MARKING MATERIALS
857.01 General.
The Department has established a list of products approved for use through field tests. These products can be found on List V -3, Temporary Traffic Marking Materials. Information concerning this list is given in Subarticle 106.01(f) and ALDOT -355. The Contractor may choose from any of these products, unless otherwise noted. Although the product durabi lity has been approved, acceptance of the material will still be based on laboratory testing as outlined in List V -3 and the Department's Testing Manual. SECTION 860 ROADSIDE IMPROVEMENT MATERIALS
860.01 Seed.
a.Pure Seedings .
1.Testing and Certification . Seeds shall be certified by an Official Seed Certifying Agency. Seeds shall have been tested within nine months prior to use. Each kind of seed shall be separatel y packed and delivered to the project in a seed -tight bag. Each bag shall bear a tag or label bearing the seal of the Official Seed Certifying Agency. The analysis of the seed (% pure seed, % germination, date tested, etc.) shall be attached to each bag. Seed shall be at least 95 % pure seed of the required type. Seed for lespedezas shall have a minimum germination rate of 80 %. Seed for all other species shall have a minimum germination rate of 85 %.
2.Sampling and Verification Testing. Samples of seeds may be taken at any time by the Engineer. Tags or labels that have the analysis of the seeds will be placed with the samples taken by the Engineer. The samples will be stored by the Engineer until a satisfactory stand of grass is obtained. If it is appare nt that germination or other problems exist in the establishment of the ground cover, the samples will be submitted to the Alabama Department of Agriculture for testing.
3.Hulled and Scarified Seeds . Bermudagrass may be either hulled or unhulled as shown in the table of seed mixes. Sericea Lespedeza shall be hulled and scarified. Annual Lespedeza (Kobe), White Dutch Clover, and Reseeding Crimson Clover shall be hulled.
4.Coated Seeds . Coated seeds will not be accepted for planting unless noted otherwise on the plans.
b.Seed Mixes Designated for Areas of Frequent Mowing . Some seed mixes are designated for "AREAS SUBJECT TO FREQUENT MOWING". Areas subject to frequent mowing are roadway shoulders, medians and front slopes flatter than 3:1 extending 60 feet beyond the edge of pavement or to the toe of the front slope whichever is less. All other areas designated for seeding shall be considered to be "AREAS NOT SUBJECT TO FREQUENT MOWING".
c.Planting Zones . The State of Alabama is divided into three planting zones as shown in the following table:
Source: Alabama Standard Specifications for Highway Construction, 2022 Edition. Pages 780–784 of 934.