Specifications include, but are not limited to: ASPHALT SURFACE TREATMENT - US HIGHWAYS 14 & 83; SD HIGHWAYS 34, 1804 IN POTTER, STANLEY, SULLY, WALWORTH COUNTIES; After at least 50% of the aggregate is stockpiled at each stockpile site and a minimum of 14 calendar days prior to beginning the asphalt surface treatment, the Contractor must submit a sample of the cover aggregate to the asphalt supplier for evaluation of compatibility. The asphalt surface treatment design will be based on traffic volume(s) and pavement conditions contained in the plans and materials meeting the specified requirements. The final application rate for the emulsified asphalt and cover aggregate will be determined after the source of the material is known and field adjustments are made. The asphalt surface treatment design will include the following information: 1) Cover aggregate gradation. 2) Bulk specific gravity of the cover aggregate. 3) Loose unit weight of the cover aggregate. 4) Emulsified asphalt type 5) Emulsified asphalt rate of application. 6) Cover aggregate rate of application.