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Micro Milling AC & AC Resurfacing


Location
South Dakota
Publication Date
09/23/2019 11:05 AM EDT
Closing Date
10/16/2019 11:00 AM EDT
Issuing Organization
State of South Dakota - Department of Transportation
Solicitation Number
Description

Specifications include, but are not limited to: 1. Bridge decks, approach slabs and a distance of 100 feet from the end of the bridge (or approach slab if applicable); 2. Ramps, acceleration lanes, deceleration lanes, turning lanes, and any lane less than 0.3 miles in length; 3. Side roads; 4. Shoulders and gore areas; 5. Driving lanes within 6 feet of existing curb and gutter sections (curb and gutter to remain in place); 6. Sections with a speed limit of less than 45 mph; 7. The first or last 100 feet of a pavement where the Contractor is not responsible for the adjoining in place pavement; 8. A distance of 100 feet from railroad crossings; and, 9. A distance of 200 feet before stop signs at an intersection. A. General: The material shall be removed by micro-milling with the specified equipment, without the use of heat. The Contractor shall not dispose of micro-milled asphalt concrete material or use the micro-milled material for any purpose other than purposes designated in the plans without approval by the Engineer. B. Equipment: The Contractor shall use power-driven, self-propelled micromilling equipment capable of milling to the width and depth specified in the plans. The equipment shall produce a uniform surface texture. The Contractor may be required to micro-mill multiple passes, as needed, to meet the width requirements specified. In addition, the micro-milling equipment shall be:  Equipped with a cutting mandrel with carbide tipped cutting teeth designed for micro-milling bituminous pavement to close tolerances;  Equipped with a cutting width at least 12 feet wide;  Capable of removing pavement to an accuracy of 1/16 inch; and,  Provided with conveyors capable of side, rear, or front loading to transfer the milled material from the roadway to a truck.

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