Contractors must be qualified to perform the scope of work listed below. Qualifications include at a minimum of five (5) years’ experience paving as specified in the options listed for all tasks. Contractor shall be responsible for all tasks involving the materials testing and inspections. Contractor shall work Monday through Friday, during daylight hours only, unless preapproved by the County project manager prior to start of work. Contractor must provide all equipment, materials and labor to complete the scope of work as detailed, but not limited, to below: • Paving plan and design mix shall be the contractor’s responsibility and shall be submitted and approved prior to starting. All testing shall be the responsibility of the contractor. • Contractor pricing will include all driveway tie in with mainline, as well as intersections and turn lanes, if applicable. This includes saw cutting any driveways which protrude out into the widened roadway, if applicable. • The road shall remain open at all times to the residents of Harbour Ridge Subdivision. • All traffic control shall be the responsibility of the contractor. The plan for traffic control must be approved by Dawson County prior to start of construction. • Materials Transfer Vehicle (MTV) shall be utilized throughout the entire project. MTV and paving equipment shall meet the following: • MTV has a truck unloading system which receives mixture from the hauling equipment and independently delivers mixtures from the hauling equipment to the paving equipment. Has mixture remixing capability by either a storage bin in the MTV with a minimum capacity of 14 tons (13 megagrams) of mixture and a remixing system in the bottom of MTV storage bin, or a dual pugmill system located in the paver hopper insert with two full length transversely mounted paddle mixers to continuously blend the mixture as it discharges to a conveyor system. Provides to the paver a homogeneous, non-segregated mixture of uniform temperature with no more than 20°F (18° C) difference between the highest and lowest temperatures when measured transversely across the width of the mat in a straight line at a distance of one foot to three feet from the screed while the paver is operating. • If the MTV malfunctions during spreading operations, discontinue placement of hot mix asphaltic concrete after there is sufficient hot mix placed to maintain traffic in a safe manner. However, placement of hot mix asphaltic concrete in a lift not exceeding 2 in. (50 mm) may continue until any additional hot mix in transit at the time of the malfunction has been placed. Cease spreading operations thereafter until the MTV is operational. • Contractor to provide all temporary raised pavement markers (TRMP) during reclaiming work, all temporary signage and all temporary and permanent striping. • Contractor shall pave reclaimed surface within three (3) days of an acceptable sample breaks break. • Contractor to provide project schedule prior to starting. • Above applies to all warranty or re-works. • Contractor shall provide a five (5) year warranty on all work completed, and all rework and warranty areas shall be repaired within forty-five (45) days of notification by Dawson County. This warranty timeframe is for both the FDR and the asphalt, to include base failure, rutting, raveling and settlement. The Contractor is to perform the work below in the order as listed. 1. Remove and replace the curb and gutter. 2. Mill 1 ½” the entire road, including the cul-de-sac. 3. Deep patch failed areas (not more than 600 feet in length). 4. Resurface full length of the road, including the cul-de-sac, with 1 ½” 9mm asphalt paving course. 5. Remove loose grout and debris in all storm pipe connections prior to grouting. 6. Grout all storm pipe connections in storm drain basis. There are 12 pipe connections in total for 7 storm drain basins.
