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Report on Bitumen Specification Task Group: Review, Amendments, & Recommendations

This report covers the meetings, resolutions, findings, and proposals of the Bitumen Specification Task Group, focusing on the accuracy and performance of low-temperature ductility tests, development of a single SADC region specification, laboratory accreditation recommendations, and proposed amendments for improved bitumen specifications.

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Report on Bitumen Specification Task Group: Review, Amendments, & Recommendations

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  1. Report on Bit Spec Task Group PA Myburgh Chairman

  2. Background • BMLC resolution May 1999 • CAPSA resolution September 1999 • Primary producer expert group meeting January 2000 • BMLC task group meeting May 2000 • Nature of proposed amendments • Further investigation • Testing accuracy

  3. BMLC resolution May 1999 That task group • … review the current specification with special reference to the (low temperature) ductility test … • … specifically: • the accuracy of the test; and • ability to ensure adequate performance • … make proposals

  4. CAPSA resolution September 1999 • Develop a single, practicable specification for the SADC region • Foster a better understanding of the relation of specification items to performance • Investigate wider application in Africa

  5. Primary producers expert group January 2000 • Pre-cursor to the BMLC task group • Muster expert opinion on the views of the BMLC • Submit an appraisal to BMLC task group • Make proposals on a way forward

  6. Overview of findings • No problems since 1997 with bitumen conforming to SABS 307 • Proposed improvement to SABS 307 • Identified need for a testing programme • Recommended laboratory accreditation

  7. Reconstitution of bitumen specification task group • Balance of clients, suppliers, contractors, consultants & researchers • Departures from ‘active duty’ (public & private sectors) • 21 member group representative of industry • Status with SABS under review

  8. Bit spec Task Group May 2000 • Reasons for and nature of amendments - C Olwagen (Shell) • Test programme - J Muller (Sasol R&D) • Laboratory accreditation - R Clayton (Shand) • Report to BMLC - RPF

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