ASPHALT SURFACE TREATMENT. (02-13-15) (Rev 01-29-16) 660 SP06 R054 Revise the 2012 Standard Specifications as follows: Page 6-48, Section 660 ASPHALT SURFACE TREATMENT, replace section with the following: SECTION 660
ASPHALT SURFACE TREATMENT. Single Seal, Double Seal, Triple Seal, Mat and Single Seal, Mat and Double Seal, Sand Seal, and Mat Coat, No. Stone. All AST will be measured and paid at the contract unit price per square yard. Payment at the above prices will be made for replacing any satisfactorily completed asphalt surface treatment when such replacement has been made necessary by defects in subgrade or base constructed by others. Emulsion for Asphalt Surface Treatment will be measured and paid at the contract unit price per gallon, which price will be full compensation for all materials including modifiers and additives, tack coat, labor, tools, equipment, and all other incidentals necessary to complete the work. Price adjustments herein shall apply concurrently; however, price adjustment will not apply in the event the material is rejected.
ASPHALT SURFACE TREATMENT. Perform the work covered by this section including, but not limited to, furnishing, hauling, spreading and rolling the emulsion and aggregate consisting of one or more applications of liquid asphalt material and one or more applications of aggregate cover coat material on a prepared surface; and maintaining and repairing the asphalt surface treatment (AST). Schedule a pre-application meeting prior to installing the asphalt surface treatment including representatives from the Subcontractor, Project Engineer, Area Roadway Construction Engineer, and may include the State Pavement Construction Engineer and a representative from the Materials and Tests Unit. 660-2 MATERIALS Refer to Division 10 of the 2012 Standard Specifications. Item Section Aggregates for Asphalt Surface Treatment 1012-2 Emulsified Asphalt, Grade CRS-2L 1020-3 Emulsified Asphalt, Grade CRS-2P 1020-3 Fine Aggregate 1014 Mineral Filler 1012-1(D) Water 1024-4 Before any asphalt surface treatment is placed, obtain from the asphalt supplier and furnish to the Engineer a Certification of Compatibility of the emulsion with the aggregate proposed for use.
ASPHALT SURFACE TREATMENT. The contractor shall be required to place a split seal coat on the reclaimed roadway section no later than the following day. The asphalt surface treatment on this project shall be in accordance with Section 660 of the Standard Specifications and the following provisions: The asphalt surface treatment on this project shall be constructed in accordance with Article 660-9(B)(2) entitled “Split Seal”. The split seal coat layers on this project shall be constructed using No. 78M aggregate, Lightweight aggregate (less than 2% of the No. 200 sieve), and asphalt type CRS-2L. The asphalt surface treatment shall not be covered till the 2016 paving season. Before the final lift of asphalt can be placed, the roadway shall be cleaned of all residual stone and the Engineer will verify that the riding surface is acceptable for final paving. All loose material shall be removed from the curb and gutter and all driveway entrances shall be cleaned of loose material back to the radius points.
ASPHALT SURFACE TREATMENT. (02-13-15) (Rev 01-29-16) 660 SP06 R054 Revise the 2012 Standard Specifications as follows:
ASPHALT SURFACE TREATMENT. Single Seal, Double Seal, Triple Seal, Mat and Single Seal, Mat and Double Seal, Sand Seal, and Mat Coat, No. Stone. All AST will be measured and paid at the contract unit price per square yard. Payment at the above prices will be made for replacing any satisfactorily completed asphalt surface treatment when such replacement has been made necessary by defects in subgrade or base constructed by others. Price adjustments herein shall apply concurrently; however, price adjustment will not apply in the event the material is rejected.
