SS 857 Asphalt Concrete with Gilsonite

1. Specification:

Supplemental Specification 857

2. Materials:

Use modified binder composed of 92% PG 64-22 asphalt binder and 8% gilsonite.

3. Sampling and/or Inspection Requirements:

Provide certified test data that the gilsonite meets requirement of 857.02 specification.

Acceptance - must meet the requirements of 857.05.

4. Method of Tests: