2010 Construction and Material Specifications - Ohio Department of ...
2010 Construction and Material Specifications - Ohio Department of ... 2010 Construction and Material Specifications - Ohio Department of ...
401.01 400 FLEXIBLE PAVEMENT ITEM 401 ASPHALT CONCRETE PAVEMENTS—GENERAL 401.01 Description 401.02 Mix Design and Quality Control 401.03 Materials 401.04 Reclaimed Asphalt Concrete Pavement 401.05 Mixing Plants 401.06 Weather Limitations 401.07 Notification 401.08 Asphalt Binder 401.09 Aggregate Preparation 401.10 Mixing 401.11 Hauling 401.12 Spreading Equipment 401.13 Rollers 401.14 Conditioning Existing Surface 401.15 Spreading, Finishing and Night Work 401.16 Compaction 401.17 Joints 401.18 Asphalt Binder Compatibility 401.19 Spreading and Surface Tolerances 401.20 Asphalt Binder Price Adjustment 401.21 Method of Measurement 401.22 Basis of Payment 401.01 Description. This specification is applicable to all types of asphalt concrete pavements irrespective of gradation of aggregate, kind, and amount of asphalt binder, or pavement use. Deviations from these general requirements are covered in the specific requirements for each type according to the appropriate contract item or items. Work consists of one or more courses of asphalt concrete constructed on a prepared foundation. The asphalt concrete consists of a mixture of uniformly graded aggregate and specified type and grade of asphalt binder. Control all production processes to assure the Engineer that the mixture delivered to the paving site is uniform in composition, conforms to the specification requirements and that the placed mixture is free of any defect (ex. segregation, tenderness, lack of mixture and texture uniformity, raveling, flushing, rutting, holes, debris etc.) within the Contractor’s control at project completion. The asphalt concrete pavement thickness shown on the plans or stated in the Proposal is for the exclusive use in calculating the weight required to be placed per unit of surface area. 168
169 401.02 401.02 Mix Design and Quality Control. Use an approved Job Mix Formula (JMF). The quality control and acceptance requirements of Item 403 apply unless otherwise specified. If required to perform the mix design or quality control, provide a laboratory and personnel meeting the requirements of Supplement 1041 to perform mix design and quality control tests. Calibrate asphalt content nuclear gauges according to Supplement 1043 using personnel with a minimum Level 2 rating according to Supplement 1041. Mix and test the calibration verification sample with a Department employee present. Provide and dispose of the solvent used for cleaning the asphalt content nuclear gauge pans. 401.03 Materials. Furnish materials conforming to: Asphalt binder (asphalt concrete, 401.14, 401.15) ..................... 702.01 Asphalt material (401.14, 401.18) ............................................. 702.01, 702.04, or 702.13 Aggregates (base courses)....................................... 703.04 Aggregates (intermediate and surface courses) .................................................. 703.05 Mineral filler .......................................................... 703.07 Sample aggregate, asphalt binder, asphalt material, and mineral filler according to 106.01. If 100 percent of coarse aggregate in an asphalt mix design is steel slag, the Contractor may include steel slag as a maximum of up to 50 percent of fine aggregate. If a steel slag source causes bulking (expansion resulting in flushing or material loss) in asphalt concrete courses, the Laboratory will place limits on the amount of steel slag allowed in a mix design. Bulking may occur when a large percentage of an asphalt mix design is steel slag aggregate. Bulking may be shown through testing, such as ASTM D 4792, or through field failure such as, but not limited to, flushing on newer pavement or apparent over-asphalting in production. The Department may require the steel slag processor at any time to perform additional testing to verify steel slag properties. Potential pavement performance problems due to poor control of steel slag aggregate include bulking, poor gradation and specific gravity control resulting in highly variable void properties, excess soft pieces resulting in pock marks, flushing, etc. Take prompt corrective action if mixture delivered to the paving site is not uniform in composition, does not conform to the specification requirements or is not free of any defect (ex. segregation, tenderness, lack of mixture and texture uniformity, raveling, flushing, rutting, holes, debris etc.) within the Contractor’s control as determined by the Engineer. The Engineer will stop conditional acceptance of the asphalt concrete for failure to correct problems.
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- Page 163 and 164: 300 BASES ITEM 301 ASPHALT CONCRETE
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- Page 211 and 212: ITEM 411 STABILIZED CRUSHED AGGREGA
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401.01<br />
400 FLEXIBLE PAVEMENT<br />
ITEM 401 ASPHALT CONCRETE<br />
PAVEMENTS—GENERAL<br />
401.01 Description<br />
401.02 Mix Design <strong>and</strong> Quality Control<br />
401.03 <strong>Material</strong>s<br />
401.04 Reclaimed Asphalt Concrete Pavement<br />
401.05 Mixing Plants<br />
401.06 Weather Limitations<br />
401.07 Notification<br />
401.08 Asphalt Binder<br />
401.09 Aggregate Preparation<br />
401.10 Mixing<br />
401.11 Hauling<br />
401.12 Spreading Equipment<br />
401.13 Rollers<br />
401.14 Conditioning Existing Surface<br />
401.15 Spreading, Finishing <strong>and</strong> Night Work<br />
401.16 Compaction<br />
401.17 Joints<br />
401.18 Asphalt Binder Compatibility<br />
401.19 Spreading <strong>and</strong> Surface Tolerances<br />
401.20 Asphalt Binder Price Adjustment<br />
401.21 Method <strong>of</strong> Measurement<br />
401.22 Basis <strong>of</strong> Payment<br />
401.01 Description. This specification is applicable to all types <strong>of</strong> asphalt<br />
concrete pavements irrespective <strong>of</strong> gradation <strong>of</strong> aggregate, kind, <strong>and</strong> amount <strong>of</strong><br />
asphalt binder, or pavement use. Deviations from these general requirements are<br />
covered in the specific requirements for each type according to the appropriate<br />
contract item or items.<br />
Work consists <strong>of</strong> one or more courses <strong>of</strong> asphalt concrete constructed on a<br />
prepared foundation. The asphalt concrete consists <strong>of</strong> a mixture <strong>of</strong> uniformly<br />
graded aggregate <strong>and</strong> specified type <strong>and</strong> grade <strong>of</strong> asphalt binder.<br />
Control all production processes to assure the Engineer that the mixture<br />
delivered to the paving site is uniform in composition, conforms to the<br />
specification requirements <strong>and</strong> that the placed mixture is free <strong>of</strong> any defect (ex.<br />
segregation, tenderness, lack <strong>of</strong> mixture <strong>and</strong> texture uniformity, raveling, flushing,<br />
rutting, holes, debris etc.) within the Contractor’s control at project completion.<br />
The asphalt concrete pavement thickness shown on the plans or stated in the<br />
Proposal is for the exclusive use in calculating the weight required to be placed per<br />
unit <strong>of</strong> surface area.<br />
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