Hot Rolled Asphalt and Asphalt Concrete (Macadam) - Ministry of ...
Hot Rolled Asphalt and Asphalt Concrete (Macadam) - Ministry of ...
Hot Rolled Asphalt and Asphalt Concrete (Macadam) - Ministry of ...
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x July 2010<br />
Page<br />
7 Plant <strong>and</strong> Workmanship 19<br />
7.1 General 19<br />
7.2 Weather Conditions for Laying 19<br />
7.3 Reduction in Surface Level <strong>of</strong> <strong>Asphalt</strong> Surfaces 19<br />
7.4 Reduction in Surface Level <strong>of</strong> <strong>Concrete</strong> Surfaces 19<br />
7.5 Preparation <strong>of</strong> Existing <strong>Asphalt</strong> Surfaces 20<br />
7.6 Preparation <strong>of</strong> Existing <strong>Concrete</strong> Surfaces 20<br />
7.7 Filling Ravelled Lane Joints, Ravelled Cracks <strong>and</strong> Potholes<br />
in Existing <strong>Asphalt</strong> Surfacing 20<br />
7.8 Transporting Plant Mixtures 21<br />
7.9 Tack <strong>and</strong> Bond Coat Application 21<br />
7.10 Permitted Tolerance <strong>of</strong> Course Thickness 22<br />
7.11 Regulation <strong>of</strong> Existing Surfaces 22<br />
7.12 Laying Requirements 23<br />
7.13 Sampling <strong>of</strong> Mixed Materials 23<br />
7.14 Spreading by Machine 23<br />
7.15 Compaction 24<br />
7.16 Spreading <strong>and</strong> Compacting by H<strong>and</strong> 24<br />
7.17 Topping to French Drains 24<br />
7.18 Longitudinal Lane Joints, General 25<br />
7.19 Longitudinal Lane Joints in Materials other than Pervious<br />
<strong>Macadam</strong> 25<br />
7.20 Transverse Joints 25<br />
7.21 Joints between New Surfacing <strong>and</strong> Existing Pavements 26<br />
7.22 Ramps between New Surfacing <strong>and</strong> Existing Pavements 26<br />
7.23 Temporary Ramps 27<br />
7.24 Finished Levels 29<br />
7.25 Surface Accuracy 29<br />
7.26 Air Voids Content <strong>of</strong> Designed <strong>Hot</strong> <strong>Rolled</strong> <strong>Asphalt</strong> 29<br />
7.27 Percentage Refusal Density <strong>of</strong> Binder Course <strong>Asphalt</strong><br />
<strong>Concrete</strong> (<strong>Macadam</strong>) 29<br />
7.28 Traffic on Finished Surfacing 30<br />
7.29 Cutting Out Defective or Old Surfacing 30<br />
7.30 Replacement <strong>of</strong> Defective or Old Surfacing 31<br />
7.31 Filling Core Holes 31<br />
7.32 Grooving <strong>of</strong> <strong>Hot</strong> <strong>Rolled</strong> <strong>Asphalt</strong> Surface Courses 31<br />
8 Trials 32<br />
8.1 General 32<br />
8.2 Preliminary Trials 32<br />
8.3 Final Trial Areas 33<br />
9 Summary <strong>of</strong> Tests 34<br />
9.1 Test Results 34<br />
9.2 Tests for Initial Approval <strong>of</strong> Materials 34<br />
9.3 Test for the Proportioning <strong>and</strong> Design <strong>of</strong> Mixtures 34<br />
9.4 Routine Tests on Bulk Supplies Throughout Plant Mixing 34<br />
9.5 Routine Tests on Mixtures Throughout Plant Mixing 35<br />
9.6 Routine Tests during Laying <strong>and</strong> on Compacted Courses 36<br />
9.7 Additional Tests when Routine Tests on the Mixtures <strong>and</strong> on<br />
the Compacted Courses Fail 36<br />
Appendix A – Use <strong>of</strong> Magnesium Sulfate Test with Non-St<strong>and</strong>ard<br />
Aggregate Fractions 38<br />
A.1 Scope 38<br />
A.2 Apparatus <strong>and</strong> Reagents 38<br />
A.3 Preparation <strong>of</strong> Test Portions 38<br />
A.4 Preparation <strong>of</strong> Aggregate Test Specimens for Each Fraction 38
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