507Large Crack and Pothole Repair of Concrete Pavement

507.1-DESCRIPTION: This work shall consist of repairing large cracks and pothole repair of an existing concrete pavement surface. The locations of these repairs shall be as shown on plans or as specified by the Engineer. 507.2-MATERIALS: The materials shall conform to the requirements of the following sections. MATERIAL SECTION Fine Aggregate 702.3 Asphalt Base Course 401 Performance Graded Binder 705.5 Tack Coat 408 507.3-CONSTRUCTION METHODS: Cracks one (1) inch or less wide shall be repaired, as outlined in Section 503. Existing concrete pavement cracks in excess of one ( 1) inch, but less than three ( 3) inches in width, shall be thoroughly cleaned of all dirt, debris, loose or other foreign or unstable mat erial and filled with a mixture of sand and asphalt. The asphalt content shall be 5 to 10%. Asphalt mixture shall be applied at a temperature range of 250° to 325°F. All cracks in excess of three (3) inches and all potholes greater than one (1) inch in depth, shall be thoroughly cleaned of all dirt, debris, loose or other foreign or unstable material. After cleaning, the cracks and potholes are to be tacked, in accordance with Section 408 of the Specifications, and filled with asphalt base course material in accordance with Section 401 or as approved by the Engineer. All cracks and potholes are to have the same finished grade as the adjacent surfaces. 507.4-METHOD OF MEASUREMENT: The quantity of work done for large crack and pothole repair will be measured by the actual number of tons of material used for crack and pothole repair and shall include cleaning, tack material, asphalt, sand, asphalt concrete base course complete in place and accepted. 507.5-BASIS OF PAYMENT: The quantities, determined as provided above, will be paid for at the contract unit price bid for the item listed below, which price and payment shall be full compensation for furnishing all the materials, and doing all the work prescribed in a workmanlike and acceptable manner, including all labor, tools, equipment, supplies, and incidentals necessary to complete the work. 507.6-PAY ITEM: ITEM DESCRIPTION UNIT 507002-* Large Crack and Pothole Repair of Concrete Pavement Ton * Sequence number 271