Lakeside Industries, Inc. 5/3/2024

2024 Pavement Maintenance Overlay SPECIAL PROVISIONS PW# 3823 52 1 5-04.3(4)A3 Crack Sealing Areas Not to be Paved 2 In areas where HMA will not be placed, fill the cracks as follows: 3 4 A. Cracks ¼ inch to 1 inch in width - fill with hot poured sealant. 5 B. Cracks greater than 1 inch in width – fill with sand slurry. 6 7 5-04.3(4)B Vacant 8 9 5-04.3(4)C Pavement Repair 10 The Contractor shall excavate pavement repair areas and shall backfill these with HMA 11 in accordance with the details shown in the Plans and as marked in the field. The 12 Contractor shall conduct the excavation operations in a manner that will protect the 13 pavement that is to remain. Pavement not designated to be removed that is damaged as 14 a result of the Contractor’s operations shall be repaired by the Contractor to the 15 satisfaction of the Engineer at no cost to the Contracting Agency. The Contractor shall 16 excavate only within one lane at a time unless approved otherwise by the Engineer. The 17 Contractor shall not excavate more area than can be completely finished during the 18 same shift, unless approved by the Engineer. 19 20 Unless otherwise shown in the Plans or determined by the Engineer, excavate to a depth 21 of 1.0 feet. The Engineer will make the final determination of the excavation depth 22 required. The minimum width of any pavement repair area shall be 40 inches unless 23 shown otherwise in the Plans. Before any excavation, the existing pavement shall be 24 sawcut or shall be removed by a pavement grinder. Excavated materials will become the 25 property of the Contractor and shall be disposed of in a Contractor provided site off the 26 Right of Way or used in accordance with Sections 2-02.3(3) or 9-03.21. 27 28 Asphalt for tack coat shall be required as specified in Section 5-04.3(4). A heavy 29 application of tack coat shall be applied to all surfaces of existing pavement in the 30 pavement repair area. 31 32 Placement of the HMA backfill shall be accomplished in lifts not to exceed 0.35-foot 33 compacted depth. Lifts that exceed 0.35-foot of compacted depth may be accomplished 34 with the approval of the Engineer. Each lift shall be thoroughly compacted by a 35 mechanical tamper or a roller. 36 37 5-04.3(5) Producing/Stockpiling Aggregates and RAP 38 Aggregates and RAP shall be stockpiled according to the requirements of Section 3-02. 39 Sufficient storage space shall be provided for each size of aggregate and RAP. Materials 40 shall be removed from stockpile(s) in a manner to ensure minimal segregation when 41 being moved to the HMA plant for processing into the final mixture. Different aggregate 42 sizes shall be kept separated until they have been delivered to the HMA plant. 43 44 5-04.3(6) Mixing 45 After the required amount of mineral materials, asphalt binder, recycling agent and anti-46 stripping additives have been introduced into the mixer the HMA shall be mixed until 47