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Edgewater Creek Bridge Replacement November 2023 105 1 A. Cracks ¼ inch to 1 inch in width - fill with hot poured sealant. 2 B. Cracks greater than 1 inch in width – fill with sand slurry. 3 4 5-04.3(4)B Vacant 5 6 5-04.3(4)C Pavement Repair 7 The Contractor shall excavate pavement repair areas and shall backfill these with HMA 8 in accordance with the details shown in the Plans and as marked in the field. The 9 Contractor shall conduct the excavation operations in a manner that will protect the 10 pavement that is to remain. Pavement not designated to be removed that is damaged as 11 a result of the Contractor’s operations shall be repaired by the Contractor to the 12 satisfaction of the Engineer at no cost to the Contracting Agency. The Contractor shall 13 excavate only within one lane at a time unless approved otherwise by the Engineer. The 14 Contractor shall not excavate more area than can be completely finished during the 15 same shift, unless approved by the Engineer. 16 17 Unless otherwise shown in the Plans or determined by the Engineer, excavate to a depth 18 of 1.0 feet. The Engineer will make the final determination of the excavation depth 19 required. The minimum width of any pavement repair area shall be 40 inches unless 20 shown otherwise in the Plans. Before any excavation, the existing pavement shall be 21 sawcut or shall be removed by a pavement grinder. Excavated materials will become the 22 property of the Contractor and shall be disposed of in a Contractor-provided site off the 23 Right of Way or used in accordance with Sections 2-02.3(3) or 9-03.21. 24 25 Asphalt for tack coat shall be required as specified in Section 5-04.3(4). A heavy 26 application of tack coat shall be applied to all surfaces of existing pavement in the 27 pavement repair area. 28 29 Placement of the HMA backfill shall be accomplished in lifts not to exceed 0.35-foot 30 compacted depth. Lifts that exceed 0.35-foot of compacted depth may be accomplished 31 with the approval of the Engineer. Each lift shall be thoroughly compacted by a 32 mechanical tamper or a roller. 33 34 5-04.3(5) Producing/Stockpiling Aggregates and RAP 35 Aggregates and RAP shall be stockpiled according to the requirements of Section 3-02. 36 Sufficient storage space shall be provided for each size of aggregate and RAP. Materials 37 shall be removed from stockpile(s) in a manner to ensure minimal segregation when 38 being moved to the HMA plant for processing into the final mixture. Different aggregate 39 sizes shall be kept separated until they have been delivered to the HMA plant. 40 41 5-04.3(5)A Vacant 42 43 5-04.3(6) Mixing 44 After the required amount of mineral materials, asphalt binder, recycling agent and anti-45 stripping additives have been introduced into the mixer the HMA shall be mixed until 46