With the advent of the new Revision of COTO Standard Specifications For Road & Bridge Works For State Road Authorities, the onus for the submission of asphalt mix designs now lies with the contractor. A thorough and sound understanding of the principles and goals involved in the mix design procedure is required by all Client Bodies, Consulting Engineers, and now specifically, the Contracting fraternity. The goal is to avoid fruitless and wasteful interventions. Presentation by Christi Botha.
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