1. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction Introduction to the AAPA 2011 Study Tour

2. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.au

3. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.au

4. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction 3 rd to 19 th September 2011 Tour group 9 Australian roads people o Researchers / State & LG Road Officials / Consultants o Industry representatives / Asphalt suppliers o Wide range of experience o Skilled including professional engineers & technologists Five legs o Cape Town / Pretoria / Durban / CAPSA’11 / KNP Four key issues www.aapa.asn.au

5. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction A.Surface Treatments o Sprayed seals | Slurry seals | Surface rejuvenation B.Binders o use of bitumen rubber in sprayed seals and asphalt wearing courses, availability and specification requirements including quality control measure to ensure compliance. C.Improving pavement performance o modelling, accelerated testing, design methods & models, foam bitumen stabilisation and bitumen treated base experience and transfer of high modulus asphalt technology to RSA D.Sustainability o recycling, warm mix asphalt, efforts to reduce carbon footprint, carbon calculators and impacts for road asset management www.aapa.asn.au

6. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction Comparisons www.aapa.asn.au In Africa, man is still part of the food chain

7. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.auStatistics South AfricaAustraliaratio Land area (km 2 )1 219 0907 741 220X 0.15 Population (June 2010 est)49 004 03121 766 711X 2.2 Unemployment24.9%5.2%------- GDP US$ purchasing power (b)$524$882X 0.6 GDP / person$10 700$41 100X 0.25 GDP growth rate (2009)+2.8%+2.7%------- Roads total length (km)606 978812 972X 0.75 Roads paved (km)153 719341 448X 0.45 Asphalt (million tonnes/annum)4.59.5X 0.47 Asphalt (tonnes/person)0.090.4X 0.22

8. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.au Comparisons Land area sq.km SA: 1 219 912 A: 7 686 850 Population SA: est 49m A: est 21m Roads km total SA: 362 099 A: 813 000 Surfaced km SA: 73 506 A: 341 488 Road Authorities SA: 9 provinces + national A: 6 states, 2 territories + federal Road Budget Total (est) SA: U$ 275 million A: U$ 3500 million data ex CIA, AustRoads & Sabita ~ 3800 km ~ 1500 km ~ 2800 km ~ 1400 km

9. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.au Road Train Load 166 tons (before overloading) 98 wheels 53.5m long 650 hp on three driving axles

10. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.au ROAD TRAINS / WEAK PAVEMENTS

11. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.au Pavement Inundation

12. AAPA 2011 Pre-CAPSA’11 Study Tour - Introduction www.aapa.asn.au COMPARISONS SUMMARY Both:Southern Hemisphere Different to Europe & North America Similar: traffic, climate, technology same suppliers Different: funding, socio-political dynamic “commercialised” agencies opportunities to innovate SAT, Educational Chair, RPF tyre pressure, user demands Potentials:higher education, sharing technology & experience Sport:rugby, cricket, professionalism