Module Code
HIWAY 6004

1.   Pavement Surface Properties
      -  Road noise
      -  Skid resistance
      -  Roughness
      -  Permeability
      -  Surface friction restoration techniques

2.   Types of Wearing Surfaces
      -  Unsealed
      -  Chip and seal (single coat, multi coat, reseals, others)
      -  Asphaltic concrete (dense mix, open graded, ston
         mastic asphalt, PMBA, use of geogrids
      -  Slurry seals

3.   Bituminous Materials
      -  Origin and manufacture
      -  Types (penetration grades, cutback bitumen,
         emulsions)
      -  Binder properties
      -  Testing and quality control (Q1, Q2)
      -  Additives (adhesion agents, fluxing agents,
         anti-foaming agents, PMB)
      -  Specifications (M/1, M/13)

4.   Chipseal Design Construction
      4.1  Aggregates for chipseal construction
            -  Types classification
               Tests (NZS4407: ALD, AGD, %<4.75, broken 
               faces content, distributioin of least dimensions,
               PSV) - T10 skid resistance specification
            -  Specifications (M/6, T/5)

      4.2  Chipseal design (single and multi layer seals)
             -  Treatment selection
             -  Binder selection
             -  Aggregate size selection
             -  Chip application rates
             -  Binder application rate

      4.3  Chipseal Construction
            -  Surface preparation
            -  Binder spray rate determination (cutbacks
               and emulsions)
            -  Spray rate controls
            -  Chipping and rolling requirements
            -  Sweeping and painting
            -  Quality control
            -  Specifications (P/3, P/4, T/3, P/17, Q/1)

5.   Bitumen Emulsion Sealing Practice
      -  Emulsion selection
      -  Aggregate selection
      -  Surface preparation
      -  Construction procedures and controls
      -  Quality control

6.   Asphaltic Concrete Design and Construction
     6.1  Mix design
           -  Materials, mix composition, mix design,
               plant requirements

     6.2  Asphaltic concrete construction
           -  Surface preparation
           -  Transportation, placing and compaction
           -  Quality control
           -  Specifications (M/10, P/9, P/11, Q/2)

7.   Safety
      -  Safe handling of bituminous materials

Examination - 3 hours