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  • Pavement Lifecycle Management Plan Draft February 2015

    Pavement IAP Section 2 01

    Pavement Lifecycle Plan

    final

    Draft version February 2015

  • Pavement Lifecycle Management Plan Draft February 2015

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  • Contents

    Pavement IAP Section 2 01 ............................................................................................................................... 1

    Pavement Lifecycle Plan final .......................................................................................................................... 1

    1. Scope and status of this plan ............................................................................................................... 1

    2. Overall business case .............................................................................................................................. 1

    2.1 The need for road pavements ............................................................................................................................. 1

    2.2 The state highway Network ................................................................................................................................. 2

    2.3 Effective and efficient management of road pavements .................................................................................... 2

    2.3.1 Approach .............................................................................................................................................................. 2

    2.3.2 Recent efficiency gains ........................................................................................................................................ 3

    2.3.3 Infrastructure performance ................................................................................................................................. 4

    2.3.4 Infrastructure condition ....................................................................................................................................... 4

    2.3.5 Programme development .................................................................................................................................... 7

    2.3.6 Programme implementation ................................................................................................................................ 9

    2.3.7 Developing each annual plan ............................................................................................................................ 10

    2.3.8 Delivering and developing the annual plans in each network ......................................................................... 10

    2.4 Assessment of the pavement repair and renewal programme ........................................................................ 12

    2.4.1 Strategic fit ......................................................................................................................................................... 12

    2.4.2 Benefit and cost appraisal ................................................................................................................................. 13

    2.4.3 Effectiveness ....................................................................................................................................................... 14

    2.5 Summary ............................................................................................................................................................. 15

    3. Asset overview .......................................................................................................................................... 15

    3.1 Asset type and sub-types................................................................................................................................... 15

    3.2 Land and formation ........................................................................................................................................... 18

    3.3 Pavement base ................................................................................................................................................... 19

    3.4 Pavement surfacing ............................................................................................................................................ 20

    4. Demand, volume and input price drivers ..................................................................................... 21

    4.1 Demand .............................................................................................................................................................. 21

    4.1.1 High productivity motor vehicles ...................................................................................................................... 21

    4.2 Volume ............................................................................................................................................................... 23

    4.3 Input price .......................................................................................................................................................... 23

    5. Asset capacity and performance ...................................................................................................... 24

  • Pavement Lifecycle Management Plan Draft February 2015

    5.1 Performance ....................................................................................................................................................... 24

    5.1.1 Effective access .................................................................................................................................................. 24

    5.1.2 Safety - skid resistance ...................................................................................................................................... 26

    5.1.3 Safety – rutting ................................................................................................................................................... 30

    5.1.4 Amenity - comfort - roughness ......................................................................................................................... 33

    5.1.5 Efficiency ............................................................................................................................................................ 36

    5.2 Capacity .............................................................................................................................................................. 42

    5.2.1 Dimension .......................................................................................................................................................... 42

    5.2.2 Volume ............................................................................................................................................................... 43

    6. Asset condition .......................................................................................................................................... 44

    6.1 Summary of condition........................................................................................................................................ 44

    6.2 Condition ............................................................................................................................................................ 44

    6.2.1 Pavement condition index ................................................................................................................................. 45

    6.2.2 Texture depth index .......................................................................................................................................... 46

    6.2.3 Rutting prog