Opening of Quotes - 2024 Contracted Microsurfacing Proj No. 124-049 - Asphalt Restoration Srvs.

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3. The Contractor shall preserve and protect all surrounding property, structures, tenants, visitors and their property from damage caused by the Contractor's operations. XVIII. ASPHALT MICROSURFACING A. Prevailing Specifications: 2024, INDOT Standard Specifications Sections 411, 902 B. Additions: 1. Asphalt micro -surface material shall meet the standard specifications of ASTM D8099/D8099M-17. 2, The Contractor shall be responsible for all surface preparation necessary to meet the performance requirements for warranted micro -surfacing. All castings and detector housings shall be protected prior to the application of material in accordance with I NDOT 404.07, except that raised pavement markers shall be removed. There will be no direct payment for this work. 3. Cracks in the pavement in excess of 114 in. width shall be filled in accordance with INDOT 408 prior to placement of warranted micro -surfacing. There will be no direct payment for this work. 4. Existing curb faces, approaches, stormwater inlets, grass, and other features subject to coordination with the Engineer shall be protected from and kept clean of all asphalt micro -surface material. 5. Squeegees, brushes, and truck -mounted applicators shall be permitted for this work. Only application by hand squeegee or brush shall be used in the vicinity of sensitive features as identified in XVIIIA to prevent contamination. 6. Asphalt micro -surface shall not be applied when ambient temperature is below 50°F nor when ambient temperature is expected to drop below 50°F within 24 hours of application. 7. Asphalt micro -surface shall be applied in two coats. The application rate of each coat shall be between 30 to 40 square feet per gallon. B. The first coat of micro -surface shall be dry prior to application of the second coat. 9. Existing pavement markings, including but not limited to painted crosswalks and stop lines, where paved over by asphalt micro -surface, shall be reapplied with traffic paint. There will be no direct payment for this work. 10. All incidental work, including but not limited to surface preparation, inlet and casting protection, and pavement markings, shall be included in the cost of the asphalt microsurfacing pay item: ASPHALT MICROSURFACING..........................................................................SYD XIX. INFRARED PAVEMENT PATCHING A. Prevailing Specifications: None B. Additions: 1. Equipment: a. Pavement Restoration Vehicle (PRV): PRV shall be a truck mounted, self-contained pavement maintenance heating system equipped with a fuel system and a heated chamber capable of maintaining the fresh asphalt at a temperature of 300 degrees or higher. b. The adjustable height infrared heating unit may be a truck mounted (preferred) or trailer mounted to the PRV. The unit shall be equipped with a chamber or chambers capable of heating the existing bituminous pavement to a workable condition without oxidation or burning. There shall be no flame in direct contact with the existing bituminous surface. c. Compaction shall be achieved with a self-propelled steel drum vibratory roller of sufficient size to provide complete compaction to the full heated depth of the patched area (3000 psi to a depth of 10 inches). d. Contractor shall not place old, removed material into the container on the PRV holding new bituminous material, or into any other container holding new bituminous material. 2. Materials: a. New bituminous material for patching shall be HMA Surface PG 64-28, with up to 25% recycled asphalt pavement (RAP), no recycled shingles (RS) materials and incorporating only limestone aggregate, or equal as approved by the Engineer. b. New material shall be added to all patched areas. c. Rejuvenating agent shall be an asphaltenelmaltene restorative agent such as Reclamite Asphalt Rejuvenating Agent or equal as approved by the Engineer. Version 3/152024 Page - 6 Public Works Quote Scanned with CamScanner