2216 – MULTI-COMPONENT LIQUID PAVEMENT MARKING MATERIAL 2200-24
2216.1 Description
This specification covers mu lti-component, liquid materials * suitable for use as retroreflecting pavement markings on portland cement concrete or asphalt pavements. Glass beads or other reflective elements are dropped at a specified rate on the surface of the liquid material imme diately after it is applied to the pavement surface. Upon curing, it produces an adherent retroreflective marking of specified thickness and width, capable of resisting deformation by traffic. * These can be modified urethanes, polyureas, methylmethacrylates, special epoxies or other applicable materials.
2216.2 Requirements
a. Color. Provide material that complies with the requirements of ASTM D 6628. Provide white and yellow material that complies with the following Daylight Reflectance values: TABLE 2216-1: DAYLIGHT REFLECTANCE Color 45 Degrees-0 Degrees, % Min. White 75 Yellow 45 b. Provide material that is a homogeneous blend of liqui d resins, pigments, and fillers and is also free of lead and other toxic heavy metals. c. Provide one of the above-mentioned liquid marking materials or a material as approved by KDOT. The burden of proof of a product rests with the producer. Provide all supporting technical data, including test reports, field test data, etc. for consideration of the product. d. Retroreflectivity. Provide multi-component pavement marking material that meets the following minimum retroreflectivity requirements using an acceptable 30-meter retroreflectometer: TABLE 2216-2: MULTI-COMPONENT RETROREFLECTIVITY REQUIREMENTS Color millicandelas/sq m/lux (min.) White 325 Yellow 250 e. Glass Beads For Drop-On Application (double drop system). Provide glass beads according to the multi-component manufacturer’s recommendations.
2216.3 Test Methods
a. Bond Strength to Concrete. AASHTO T 237 b. Hardness. ASTM D 2240 c. Yellowness Index. ASTM E 313
2216.4 Prequalification
a. Manufacturers interested in prequalifying material under this specification must provide a 1-quart sample of each color plus 1 quart of hardener to the Engineer of Tests. Also include a copy of the quality control test report for 2216 – MULTI-COMPONENT LIQUID PAVEMENT MARKING MATERIAL 2200-25 each lot of material, an infrared spectroscopy analysis for each component, material safety data sheets and a complete set of installation recommendations and instructions. . b. The material will be evaluated for compliance wi th all requirements of this specification, and the manufacturer will be notified of the results. Each color an d the hardener will be analyzed and “fingerprinted” using infrared spectroscopy for use in screening future verification samples to verify that materials submitted for use are of an identical formulation as originally approved. c. If the material complies with all laboratory requirements, the manufacturer will be contacted to arrange for the field evaluation. The field evaluation will consist of 2 or 3 test projects at times and locations as determined by the Bureau of Transportation Safety and Technology. Manufacturers must specify if the material may be used on both asphalt and concrete surfaces or only on asphalt or concrete surfaces. Duration of the test project will be dependent on the submittal of test data from the AASHTO National Transportation Product Evaluation Program (NTPEP). Forward an official copy of the test data along with evidence that the material referenced is identical to that submitted for prequalification to the Engineer of Tests for evaluation. Materials with no test data will have a test project duration of 18 months; materials with test data will have a test project duration of 12 months. Materials will be evaluate d initially and every 3 to 6 months throughout the duration of the test project for retroreflectivity, color and durability. d. The Bureau of Construction and Materials will maintain a list of qualified materials and installation instructions. Products will remain on the prequalified list as long as the results of verification testing and field performance are satisfactory. Any changes in formulation should be reported to the Engineer of Tests for review and evaluation to determine if requalification is necessary.
2216.5 Basis of Acceptance
a. Multi-Component Liquid Material
1.Prequalification as required by subsection 2216.4.
2.Receipt and approval of a Type C certification as specified in DIVISION 2600. b. Glass Beads/Reflective Elements for Drop-on Application.
1.Receipt and approval of a Type D certification as specified in DIVISION 2600.
2.Copies of testing results for each lot of beads used on the project.
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Source: Standard Specifications for State Road and Bridge Construction, 2015 Edition. Pages 928–929 of 978. View official source ↗