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1. Executive Summary AAPA 2011 Study Tour Group Reportpromote the collection of LTPP data linked to APT and modelling to support funding, promotebeneficial improvements in materials and systems (fit-for-purpose certification, HiMA, UTFC,WMA, lower binder content BSM, G1 bases)SustainabilityPromote the concept of “road materials bank” ensuring managed reuse, assess the Carbon Taximplications, identify and share carbon reduction strategies, promote sustainability credentials ofroad surfacing industry (RAP, WMA, BSM, UTFC, HiMA, CRB, Perpetual Pavements)CAPSA’11 & General IssuesAdopt some of the CAPSA conference processes to promote sharing and learning amongst thedelegates, develop conference streams which assist in positing the sector, disseminate theCAPSA’11 papers to promote knowledge transfer, support the growth and functioning of SHSSA.SummaryThe short 3 to 19 September 2011 study tour provided the nine participants with an opportunityto directly address relevant Australian issues and to provide a joint feedback on the status in SouthAfrica on key topics of significant relevance to Australia. Apart from the contacts made in theSouth Africa, the participants have established good working relationships which will benefit theroads sector into the future.The recommendations provide a path for the roads industry to move forward gaining benefit fromthe knowledge and understanding developed during the study tour.Thanks & acknowledgementsThe tour party extends its thanks to the Australian Asphalt Pavement Association Board and CEOfor their support and facilitation of the tour. The tour participants also acknowledge, with thanks,the support and funding provided by their employers to allow participation. The wonderfulsupport, transport arrangements and fellowship given to us by our South African hosts, all thepresenters and their support staff is acknowledged with great thanks. Without the organizationand commitment of our hosts, the tour and the important learnings and recommendations thathave arisen, would not have been possible.David Angell, BCC Robert Busuttil, DTEI, SA Trevor Distin, Boral AsphaltJohn Esnouf, VicRoads Peter Evans, QTMR Jaco Liebenberg, GHDRussell Lowe, QTMR Kym Neaylon, ARRB Rob Vos, AAPAV4-2 Page 4
2. INTRODUCTIONIn the forty year history of the Australian Asphalt Pavement Association, a number of overseasstudy tours have taken place to facilitate a framework to learn from best practices and to ensureAustralia has the opportunity to observe and implement world class technologies in highwayengineering.Inspecting sand seals and foamed bitumen stabilsed base with the KNP roads staffThis report summarises the observations and combined feedback of the personnel whoparticipated in the study tour of the South Africa in September 2011. Prior to embarking on thetour, four topics of current interest to the Australian paving Industry were identified and for eachof these South African experience and perspective would be sought. The topics were:• Surface Treatments• Binders• Improving pavement performance• SustainabilityChapter 3 of the report provides a concise overview of the observations for each topic and offersrecommendations for actions that could be pursued in Australia following the tour with chapters 4to 8 provide greater detail of the engagements with the South Africans on each topic.Chapter 9 contains a list of appendices covering the itinerary of the tour, the participants, thequestions posed and a list of useful acronyms and abbreviations. The final appendix is a list of allthe presentations, handouts and references presented during the tour. The electronic version ofthe report provides links to the CAPSA’11 papers and the referenced material.Photographs of the tour visit can be obtained from: Tour PhotosV4-2 Page 5
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8. General - Questions & Responses
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Appendix 9.1 - Detailed ItineraryAA
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Appendix 9.2 - Study Tour Delegates
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Appendix 9.3- Question ListAAPA 201
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Appendix 9.5 - ReferencesAAPA 2011
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