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QUESTIM Cost/Benefit Analysis and Life Cycle CEDR Transnational Road Research Programme Call 2012: Noise: Integrating strategic noise management into the operation and maintenance of national road networks funded by Belgium/Flanders, Germany, Ireland, Norway, Sweden, United Kingdom QUESTIM Cos t/benefit analysis and Life Cycle Costing of noise mitigation measures and methodology for implementation into pavement management systems Deliverable 5.1, J une 2014 QUietness and Economics STimulate Infrastructure Management Partners: M+P consult ing engineers (coordinator ) (NL ) Transport Research Laboratory (UK ) Müller -BBM GmbH (D) Aalto University (SF) CEDR Transnational Research Programme: Call 2012 This page is intentionally left blank Final Report 2 CEDR Call 2012: Noise CEDR Call2012: Noise: Integrating strategic noise management into the operation and maintena nce of national road networks QUESTIM: QUietness and Economics STimulate Infrastructure Management Cost/benefit analysis and Life Cycle Costing of noise mitigation measures and methodology for implementation into pavement management systems Due date of deliverable: 30 .06 .2014 Actual submission date: Draft submission: 31 .07 .2014 Final submission: 18 .12 .2014 Start date of project: 01 .02 .2013 End date of project: 31 .07 .2014 Author(s) this deliverable : Tom Buckland and Matthew Muirhead , TRL, U nited Kingdom Quality Review : On behalf of the Author's Institute Author: Name Matt Muirhead Signature Technical Name Mike Ainge Signature Reviewer: Version: Final Report , December 2014 Final Report CEDR Call 2012: Noise This page is intentionally left blank Final Report 2 CEDR Call 2012: Noise Ta ble of contents Executive summary ................................ ................................ ................................ ............... iii 1 Introduction and background ................................ ................................ .......................... 5 1.1 Object ives of WP4 ................................ ................................ ................................ ... 5 1.2 Structure of the report ................................ ................................ ............................. 6 2 Systems, data and processes ................................ ................................ ......................... 7 2.1 Pavement Management Systems ................................ ................................ ............ 7 2.1.1 Existing systems ................................ ................................ .............................. 7 2.1.2 Level of operation ................................ ................................ ............................. 8 2.1.3 Identified gaps ................................ ................................ ................................ .. 8 2.2 Whole -life costing ................................ ................................ ................................ .... 8 2.3 Externalities ................................ ................................ ................................ ............ 9 2.4 Whole -life value ................................ ................................ ................................ ..... 10 3 Noise ................................ ................................ ................................ ............................ 13 3.1 Introduction ................................ ................................ ................................ ........... 13 3.2 Mitigation ................................ ................................ ................................ ............... 14 3.3 Modelling noise impacts ................................ ................................ ........................ 15 3.4 Costing noise impacts ................................ ................................ ........................... 16 4 Integrating noise into a PMS ................................ ................................ ........................ 19 4.1 Base model ................................ ................................ ................................ ........... 19 4.2 Consultation ................................ ................................ ................................ .......... 21 4.3 Treatment options ................................ ................................ ................................ 22 4.3.1 How can noise fit into treatment identification? ................................ ............... 22 4.3.2 How can noise fit into treatment options? ................................ ....................... 23 4.4 Developing a noise reporting mechanism ................................ .............................. 24 4.4.1 Available data – Noi se maps ................................ ................................ .......... 25 4.4.2 Available data - Noise costs ................................ ................................ ........... 31 4.4.3 Derived data - Noise change values ................................ ............................... 32 4.4.4 Derived data - Trigger rules ................................ ................................ ............ 39 4.4.5 Calculating benefits ................................ ................................ ........................ 40 4.5 Summary ................................ ................................ ................................ ............... 43 5 Case study ................................ ................................ ................................ ................... 45 5.1 Data ................................ ................................ ................................ ...................... 45 5.2 Base model ................................ ................................ ................................ ........... 45 5.2.1 Model capabilities ................................ ................................ ........................... 48 5.3 Case study setup ................................ ................................ ................................ .. 49 5.3.1 N4 analysis setup ................................ ................................ ........................... 55 5.4 Case study results ................................ ................................ ................................ 55 5.4.1 Base model analysis ................................ ................................ ...................... 55 5.4.2 Adding noise costs to the scheme costs ................................ ......................... 59 5.4.3 Allowing the selection of a specific noise treatment option ............................. 61 5.4.4 Forcing a choice between the Do Minimum and a low -noise Do Something ... 63 5.5 Summary ................................ ................................ ................................ ............... 65 6 References ................................ ................................ ................................ ................... 67 Appendix A: Reviewed systems ................................ ................................ .......................... 71 Appendix B: Pavement Management Systems and noise: Information request ................... 73 Appendix C: WebTAG Noise cost data ................................ ................................ ................ 77 Appendix D: Noise methodology example ................................ ................................ ........... 79 Final Report i CEDR Call 2012: Noise This page is intentionally left blank Final Report ii CEDR Call 2012: Noise Executive summary With increasingly restricted budgets, road authorities are being required to manage their existing ne tworks with greater efficiently in order to keep the roads in a serviceable condition and meet the expectations of their stakeholders. An increase in the disparity of the demands on highway assets and the availability of resources is becoming a world -wide issue. Good quality asset management and appropriately designed systems can help to manage this disparity and enable highway authorities to make more robust decisions. It is widely accepted that significant resources need to be spent managing the pavement networks throughout their lives because they are a key asset for any highway authority. Cost -benefit modelling and whole -life costing are established methods that are used within asset management to assist the road authorities and support the decisions t hey make. These methods use road network data to analyse the impacts of different investment scenarios in order to build a programme of work that best meets the policies and objectives of an organisation. There is a growing importance being placed on the role of environmental considerations within these systems and t his work package presents a methodology for integrating noise into such a Pavement Management System (PMS) and the data required, before demonstrating the inclusion of noise through a case stud y. In addition, examples on developing an appropriate dataset are described, although it is expected that datasets should be localised where possible (e.g. referencing the specific pavement surfaces used on a local network). One clear area for improvement with this data is in being able to determine a ‘per km’ noise value for individual sections of a road which is not possible with the current data. The noise data used to build up the noise datasets for this methodology (e.g. noise change values) were doc umented so that when new noise data become available they can be substituted into the process to create more up -to -date noise datasets. The types of questions that can be investigated using
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