COTO Road Materials Committee RMC

1

• COTO Road Materials Committee (RMC)
• Towards National Specifications
• Road Pavement Forum
• 07 November 2006
• Elzbieta Sadzik

2
Background

• Previous process for updating and publishing of
  TRHs, TMHs and road specifications
• Needs identified by RMC members
• Funds collected among state road authorities
  (Provincial, national and SANRAL) / national
  research fund
• Service provider appointed (expert in the field)
• Draft document distributed and comments collected
• Draft document submitted to RCC for approval
• Document published by CSIR for COTO (COLTO, CSRA)

3
Background

• Events that influenced the process
• 1994 National fund abolished
• 2001 COTO stops all technical
  committees under RCC due to restructuring
• 2003 RCC chair person gives permission to RMC
  to continue work
• 2003 RCC stops functioning

4
Background

• Functions of COTO technical committees
• Give technical advice to COTO through RCC
• Identify needs for research and development
• Coordinate RD to avoid duplications
• Develop new and update national guidelines and
  specifications (TRH, TMH and Spec for Road and
  Bridge works)
• Share knowledge and experience with road
  authorities

5
Status of TRHs

• No of TRH 26
• No of drafts 11
• No older than 12 years 23
• No not available 2

6
Status of TMHs

• No of TMHs 12
• No of drafts 2
• No older than 12 years 10
• No not available 2

7
Status of other specifications

• COLTO Specification for Road and Bridge Works
• Due for alignment with CIDB requirements
• Due for update of specifications and additions of
  new technologies e.g. foamed bitumen

8
Status of other specifications

• Guidelines for Bitumen Stabilised Materials
  SABITA, GDPTRW, SANRAL
• Operational Manual for Development, Operation and
  Closure of Borrow Pits - PAWC

9
RMC PRIORITIES FOR REVISION OF PUBLICATION

• TMH1 Standard Methods of Testing Road
  Construction Materials
• New TMH on surveillance methods.
• TRH12 Guidelines for Pavement
  Rehabilitation
• TRH14 Guidelines for Road Construction
  Materials
• TRH4 Structural Design of Road Pavements
• TRH20 The Structural Design Construction
  and Maintenance of Unpaved Roads
• TMH8 Traffic Counting

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RMC PRIORITIES FOR REVISION OF PUBLICATION -
STATUS

• TMH1 in process
• TMH on surveillance methods phase 1 completed
• TRH12 in process
• TRH14 waiting for funds
• TRH4 work proposal prepared PRAC
• TRH20 ToR with DOT
• TMH8 waiting for funds

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Conclusions

• Use SABS to publish updated TRHs, TMHs and other
  national documents
• TMH1 to be published as national standard by SABS
• TMH 12 to be published as approved recommended
  practice by SABS
• RMC to sign MOU with SABS for publishing of
  documents