882 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. Retroreflection: The marking material shall be visibly retroreflective, under both dry conditions and conditions of moderate rainfall, when inlaid on bituminous concrete surfaces. The markings shall be readily visible, through the interim period prior to the placement of temporary markings, when viewed with automobile headlights at night. iv. Adhesive: The marking material shall have a precoated pressure sensitive adhesive and require no activation (primer). If necessary, the adhesive shall be protected prior to application w ith a removable liner to prevent contamination during processing, cutting, and handling. The liner shall release from the adhesive easily, without splitting or tearing, and shall not shrink or prematurely release from adhesive during processing, storage, o r handling.
v.Storage Life: The material shall not be used after being stored beyond the manufacturer’s recommended storage life. The material shall have a minimum storage life of one (1) year. vi. General: The pavement marking material as supplied shall be of good appearance, and free from cracks. Edges shall be true, straight, and unbroken. vii. Approved Suppliers: The material must perform successfully in the Division’s field evaluation test. The Division reserves the right to remove products from the approve d list based on actual field performance. 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-Temporary Pavement Marking Tape (Types VIIB and VIIC)
715.40.4 1 : Blank
715.40.4 2 -Temporary Pavement Markings (Type VIIB): This specification
describes a removable pavement marking consisting of a film designed to be used as temporary lines. The temporary pavement markings shall be white or yellow as denoted on the Plans or required by the MUTCD.
715.40.4 2.1 -Requirements : Any material not meeting the following requirements
shall not be placed by the Contractor. If placed, the material shall be removed 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, and reflective beads or elements. ii. Color: Color pigments shall be thoroughly blended to provide a plastic marking film that maintains uniform color under both daylight and night lighting conditions throughout the expected life of the film. 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:
Source: West Virginia Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 904–904 of 1,006.