961COLD PLASTIC PAVEMENT MARKINGS OR LEGENDS

961.1DESCRIPTION—This work is the furnishing and installation of plastic pavement markings or legends,

of the type indicated.

961.2MATERIAL —ASTM D4505 . When required, provide compatible “adhesive activator” or “primer

sealer,” as listed in Bulletin 15 or as recommended by the manufacturer.

961.3CONSTRUCTION—

pretreatment according to Bulletin 15 or recommended by the manufacturer. Clean the roadway surface where the cold plastic pavement markings or legends will be applied. Remove all surface treatment, laitance, curing compound, or any contaminants that would hinder adhesion. Clear any loose dirt and other debris from the application area. Use a cleaning method that, as a last operation, provides a dust-free surface over the application area . Surface preparation is incidental to the application of cold plastic pavement markings or legends, except for the removal of pavement markings which is performed and paid for under Section 963. Identify the location of the final pavement markings. The Inspector -in-Charge will approve the locations. Apply on dry pavement when the roadway temperature is greater than or equal to 60F, unless, unless otherwise directed. Apply according to the manufacturer's instructions. Provide applicator units, manual or automatic, capable of applying two parallel lines simultaneously with a 6-inch space between the lines.

for white and 200 mcd/m²/lux for yellow. Under the direction a nd supervision of the Represent ative, measure with a 30 -meter geometry retroreflectometer conforming to ASTM E1710 within 21 days after installation in accordance with PTM No. 431.

60 mils ± 2 mils to 90 mils ± 3 mils, on the pavement before final compaction and within the temperature range specified by the manufacturer. Roll the material into the new surface to achieve a flush finished surface.

surface of concrete or asphalt roadways.

remained within close conformity to location or has not remained effective in performing useful service for a period of 180 days from the date of acceptance. The minimum acceptable service is as follows:

• Longitudinal Markings. Ninety percent of material remains in each 1,000 -foot section of marking where the intersection unit is defined as material on an approach leg within 160 feet of the intersection.

• Transverse Markings, Legends, and Symbols. Ninety percent of material remaining for each individual legend, symbol, crosswalk, or stop line.

961.4MEASUREMENT AND PAYMENT—