in accordance with 916 shall be provided for the multi- component pavement marking material.
Snowplowable raised pavement marker shall consist of a cast metal base to which is attached a replaceable prismatic reflector for reflecting light longitudinally along the pavement from a single or from opposite directions. Both ends of the casting shall be shaped to deflect a snowplow blade upward. 90 The prismatic reflectors and cast metal bases shall be in accordance with ASTM D4383. Only prismatic reflectors and cast metal bases from the QPL of Snowplowable Raised Pavement Markers shall be used.
The epoxy adhesive shall be in accordance with AASHTO M 237, Type IV, Table 3 with respect to composition and performance. A Type B certification in accordance with 916 shall be provided for the epoxy material. The limits of the following shall be shown on the certification: 100 Property Test Standard Chemical composition AASHTO M 237 Density AASHTO M 237 Gel time AASHTO M 237 Percent air AASHTO M 237 Bond strength AASHTO M 237
A Type C certification in accordance with 916 shall be provided for the pavement marking beads.
Beads shall be glass in accordance with AASHTO M 247, Type 1. The beads shall have a moisture resistant coating. 110
Type 2. These beads shall have a moisture resistant coating and may have an adhesion promoting coating. 3. Supplemental Beads The supplemental beads shall be glass in accordance with AASHTO M 247, Type 4 except the beads shall have a minimum roundness of 80% by weight. 120 921.02 1164 These beads shall a have a moisture resi stant coating and may have an adhesion promoting coating.
shall be selected from the QPL of Pavement Marking Beads.
A Type C certification in accordance with 916 shall be furnished for the 130 supplemental elements.