00860.90 881 Section 00860 - Longitudinal Pavement Markings - Paint Description
00860.00 Scope - In addition to the requirements of Section 00850, install painted longitudinal
pavement markings according to the following Specifications. Construction
00860.45 Installation - Apply painted longitudinal pavement markings as follows:
• Apply two separate applications of painted longitudinal pavement markings. Retrace the second application directly over the fi rst application, within 1/16 inch as follows: • Apply the second application after 2 hours but within 48 hours of the first application. • For yellow colored markings that delineate two-way traffic, apply the second application in the opposite direction of the first application. For yellow colored markings on one-way Roadway s, apply the second application in the same direction of the first application. For white colored markings, apply the second application in the same direction of the first application. • Apply each painted marking application at a thickness of 15 mils wet, equivalent to 17 gallons per mile for a 4 inch wide solid stripe. • Apply reflective elements for each application at a minimum rate of 5 pounds per gallon of paint. Embed, by means of paint wicking, a minimum of 80 percent of the reflective elements in the paint to a minimum depth of 50 percent of their diameter. Minimum initial retroreflectivity shall be the following: • White - 250 mcd/m 2/lx • Yellow - 200 mcd/m2/lx Measurement
00860.80 Measurement - The quantities of painted longitudinal pavement markings will be
measured on the length basis. Painted longitudinal pavement markings will be based on a nominal line width of 4 inches. If the width of the line is other than 4 inc hes, measurement will be adjusted by converting to an equivalent length of nominal 4 inch line on a proportionate area basis. Measurement will be the actual stripe. Gaps between skip stripes will not be measured. Payment
00860.90 Payment - The accept ed quantities of painted longitudinal pavement markings will be paid
for at the Contract unit price, per foot, for the item "Longitudinal Pavement Markings - Paint". Payment will be payment in full for furnishing and placing all Material s, and for furnis hing all Equipment , labor, and Incidental s necessary to complete the Work as specified.
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