Laserfiche WebLink
CR 512 Resurfacing Page 2 <br /> PSL-09-3054 (14.1) <br /> • 'Verification of completed FDR base course — Review and evaluate the verification <br /> testing plan as well as the testing results as provided by the Contractor. <br /> Testing of the Asphaltic Concrete(AC)Pavement <br /> For process and quality control purpose as required by the project specifications, the Contractor <br /> shall perform at least one set of testing per day to evaluate the materials and construction during <br /> paving. A minimum of three cores shall be cut by the Contractor on daily basis to evaluate the <br /> in-place (constructed) density of the structural course construction. The cores will be tested <br /> for bulk specific gravity, and the compaction will be evaluated based on the percentage of the <br /> bulk specific gravity over the maximum density determined in the plant on the bulk mix <br /> materials. As an option, the density (% compaction) of the wearing course construction may be <br /> evaluated using a calibrated nuclear gauge if a correction factor can be established using the core <br /> densities from the first day of wearing course paving <br /> For verification purpose, we will perform sampling and testing at a random basis as described <br /> below. <br /> • Based on an estimated 2500 tons of structural course, two (2) random samples will be <br /> taken and tested by DunkeIberger for asphalt content, gradation, and maximum density. <br /> The cores from the same day of the verification samples being taken will also be tested <br /> for their density evaluations. <br /> • Based on an estimated 1500 tons of wearing course, one (1) random sample will be <br /> taken and tested by Dunkelberger for asphalt content, gradation, and maximum density.If <br /> available, the cores from the same day of the sample being taken will also be tested for <br /> their density evaluations. <br /> Field Inspection <br /> • Provide a full-time MOT CTQP qualified roadway paving inspector to check the <br /> construction operations for conformance with the applicable project specifications. <br /> o FDR Construction — checking the depth of pulverization; checking the <br /> homogeneity of the FDR virgin mix (without emulsion); checking the moisture <br /> content of virgin mix prior to mixing with emulsion; verifying the type and source <br /> of the emulsion,keeping track of the consumption of the emulsion on a daily basis, <br /> verifying the application rate of emulsion in gallons per SY; and performing <br /> sampling periodically of FDR materials for laboratory testing, and field density <br /> testing on the constructed FDR base; and measuring cross slope and checking final <br /> grade of the constructed FDR base. <br /> o Asphalt Paving - This may include checking the prime/tack temperature and <br /> application rate; measuring asphalt mix temperatures; checking rollers and rolling <br /> patterns; checking the paver; calculating the spread rate; checking the surface <br /> texture of the compacted mat for segregation or other such defects; selecting and <br /> marking the core locations; checking cross-slopes; and observing straight-edge <br /> testing by the Contractor at the completion of the paving . <br /> • VAiile on-site the inspector will communicate tivith designated County and Contractor <br /> personnel so that items of concern or identified deficiencies can be immediately <br /> corrected. <br /> 4' qq����aat rpR�+p <br /> D4 NKELDrRGER <br /> 98 <br />