Bituminous Products Guidelines

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Bituminous Products Guidelines Documents
Trevor Distin RPF May 2008
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Background

• Best practice documents for design, construction
  maintenance of roads are in a state of
  obsolescence
• Ascribed to loss/migration of skills from Public
  sector
• Form the basis of sound engineering practice
  aimed to optimise provision maintenance of our
  road network
• Springboard for new entrants into the roads
  industry to benefit from decades of experience

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Incisive action

• In response Sabita increased its investment in
  technology development to
• ensure the sustainability of the road building
  industry
• stem erosion of skills from road authorities
• ensure a well informed bituminous products
  materials industry

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Targeted outputs

• Updating and production of new
• Sabita manuals
• AsAc manuals
• Standard test methods
• Training videos to DVD format
• Hard copy to electronic format

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Updating Sabita Manuals

• Manual 2 (2007)
• Bituminous binders for road construction
  maintenance
• Manual 5 (2008)
• Manufacture construction of HMA
• Manual 7 (2005)
• Warrants for surfacing gravel roads
• Manual 19 (2008)
• Design construction of BRA
• Manual 22 (2007)
• HMA paving in adverse weather

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New Sabita Manuals

• Manuals 25 (2006)
• Quality in the transportation of bituminous
  binders
• Manual 26 (2007)
• Guidelines for the priming stone precoating
  fluids
• Manual 27 (2008)
• Construction and design of TLA for low volume
  roads

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Proposed projects

• Converting REACT (economic analysis of short term
  rehabilitation) program from DOS to Windows for
  TRH 12
• Guidelines for the performance of binder
  distributors
• Guidelines for the use of RAP in HMA
• Design use of slurry seals
• Sealing in winter

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AsAc publications

• Updating TG 1 (2007)
• Use of modified binders in road construction
• Updating TG 2 (2008)
• Bitumen stablised materials
• New TG 3 (2008)
• Asphalt reinforcement membranes

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Standard test methods

• Reformating of asphalt test methods from TMH 1 to
  SANS format
• Development of test methods for certifying binder
  distributors
• Reformating TG 1 test methods for modified
  binders into SANS format

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Videos to DVDs

• Reformating videos onto DVD format
• DVD 100
• Bitumen tests
• Bitumen emulsion tests
• HMA tests
• Bitumen rubber tests
• DVD 200
• Repairs maintenance of black top roads
• DVD 300
• Manufacture, paving compaction of HMA

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Summary

• Electronic copies of all manuals available free
  of charge on www.sabita.co.za or students CD
• Aim is to partner with Road Authorities to assist
  with transfer of knowledge to new entrants
• Disseminate info through SAT AsAc
• Sabita committed to ensure documents reflect best
  practice so that we have a well informed industry