883 COLOR CIE CHROMATICITY COORDINATE LIMITS 1 2 3 4 X Y X Y X Y X Y White 0.480 0.410 0.430 0.380 0.405 0.405 0.455 0.435 Yellow 0.575 0.425 0.508 0.415 0.473 0.453 0.510 0.490 The Colormeter used shall be a LTL -Y, or other hand -held colormeter device approved by the Division. Average color coordinate values shall be determined by following an adequate sampling plan to be determined by the Division. iii. Application Requirements: As a minimum, Type VIIB materials shall be capable of being applied to clean road surfaces, with a surface primer if necessary, when the following conditions are met:
1.Road surface is dry
2.Ambient air temperature 50 °F and rising
3.Road surface temperature 50 °F and rising
4.No rainfall 24 hours prior to application
5.Minimu m air temperature overnight prior to application 40 ° iv. Adhesive: The removable preformed plastic pavement marking film shall be pre - coated with a pressure sensitive adhesive capable of being affixed to bituminous concrete and Portland cement concrete paveme nt surfaces without the use of heat. An additional adhesive primer or activator is allowable and may be required under certain weather conditions, per the manufacturer’s recommendations. The adhesive shall exhibit excellent shear characteristics and minima l tensile characteristics. The adhesive shall not require a protective liner when the preformed plastic pavement marking film is in rolled form for shipment.
v.Storage Life: The material shall not be used after being stored beyond the manufacturer’s recomme nded storage life. The material shall have a minimum storage life of one (1) year. vi. Thickness: The removable plastic marking film shall be manufactured such that no portion of the material profile is less than 30 mils, including adhesive and retroreflecti ve beads. vii. Skid Resistance: The surface for the retroreflective preformed plastic pavement marking film shall provide a minimum skid resistance value of 50 BPN when tested in accordance with ASTM E303. viii. Removability : While in place for any time period from April 1st to November 1st, the preformed plastic pavement marking film shall be removable from bituminous concrete and Portland cement concrete in its entirety, either manually or by a mechanical roll - up device, at temperatures above 40 °F (ambient and roa d surface temperature), and without the use of heat, solvents, grinding, or blasting. ix. Retroreflectvity : The markings shall be capable of maintaining a minimum average retroreflective performance level of 150/ mcd/m2/lx, while in place for any time period from April 1st to November 1st, when installed according to the manufacturer’s recommendations. All retroreflectivity measurements will be taken with a LTL 2000, or other Traffic Engineering Division approved 30 -meter geometry retroreflectometer. Average retroreflectance values shall be determined by following an adequate sampling plan to be determined by the Division. 884 x. General : The pavement marking material as supplied shall be of good appearance, and free from cracks. Edges shall be true, straight, and un broken. xi. Approved Products Listing (APL) : Approvals are based on results from AASHTO’s NTPEP testing program and/or WVDOH field evaluation tests. Approvals may also be granted or rescinded based on actual performance on WVDOH projects. A list of approved suppliers and their code numbers may be obtained by contacting: West Virginia Division of Highways Material Controls, Soil and Testing Division 190 Dry Branch Drive Charleston , WV 25306
715.40.4 3 -Temporary Pavement Markings (Type VIIC): This specification
describes a removable pavement marking consisting of a film designed to be used for temporary lines. The temporary marking retroreflective performance level shall not be affected in a “wet” condition, as defined in this specification. Th e temporary markings shall be white or yellow as denoted on the plans or required by the MUTCD.
715.40.4 3.1 -Requirements : Any material not meeting the following requirements
shall not be placed by the Contractor. If placed, the material shall be remov ed and replaced by the Contractor:
i.Composition: The removable preformed plastic pavement marking film shall consist of a mixture of polymeric materials, pigments, nonmetallic reinforcing medium to facilitate removal, a thin, flexible, conformable backing, and reflective beads or elements. ii. Color: Each color installed shall fall within the boundaries created by the following CIE Chromaticity Coordinate Limits, with beads applied, while in place for any time period from April 1st to November 1st: COLOR CIE CHROMATICITY COORDINATE LIMITS 1 2 3 4 X Y X Y X Y X Y White 0.480 0.410 0.430 0.380 0.405 0.405 0.455 0.435 Yellow 0.575 0.425 0.508 0.415 0.473 0.453 0.510 0.490 The Colormeter used shall be a LTL -Y, or other hand -held colormeter device approved by the Division. Average color coordinate values shall be determined by following an adequate sampling plan to be determined by the Division. iii. Application Requirements: As a minimum, Type VIIC materials shall be capable of being applied to clean road surfaces, with a surface primer if necessary, when the following conditions are met:
1.Road surface is dry
2.Ambient air temperature 50 °F and rising
3.Road surface t emperature 50 °F and rising
4.No rainfall 24 hours prior to application
5.Minimum air temperature overnight prior to application 40 °F
Source: West Virginia Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 905–906 of 1,006.