648 Spray Thermoplastic Pavement Marking

1.      Material Type, 740.10.

2.      Glass beads, 740.09 Type C.

3.      Application of Spray Thermoplastic, Item 648.

a.       Spray Thermoplastic shall be applied to pavements less than a year old when the pavement surface and air temperature are 50 F or higher.

                                                              i.      At the end of the construction season, if the surface temperature is 50 F or less, apply Traffic Paint Type 1A.

b.      Spray Thermoplastic shall be applied to pavements one year or older when the pavement surface and air temperature are 70 F and rising.

c.       The Temperature of the Spray Thermoplastic, at the point of application, shall be at least 375 F, but no more than 425 F.

d.      Glass beads, 740.09 Type C, shall be applied at the rate of 10 pounds per 100 square feet.

e.       Spray Thermoplastic material shall be applied at a thickness of 45 mils.

f.       Spray Thermoplastic shall be applied at the rate of 762 to 886 pounds per mile of 4-inch line and 1,143 to 1,329 pounds per mile of 6-inch line.

 

Documentation Requirements - 648 Spray Thermoplastic Pavement Marking

1.      General requirements per 648.

2.      Material as per 740.10 and 740.09, SS 1047 and SS 1089.

3.      Air and pavement temperature, type and condition of existing pavement.

a.       Temperature requirements are outlined in 648.05.

4.      Location and/or stationing of where work is performed.

5.      Measure in appropriate unit and turn in for pay.

6.      Use form CA-D-3A to document information.