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Managing bitumen quality

Published: | Category: Material , Pavement & surfacing , Specifications | Audience: Roading contractors

This Q05 specification has been developed to set out the standard processes required by Waka Kotahi so that assurance can be provided that bitumen of acceptable quality is imported into New Zealand and applied to road pavement surfacings.  It forms part of, and is cited by Waka Kotahi bitumen specifications M01 and M01-A.

Publication details

  • Author:
  • Published: 5 August 2022
  • Reference: Q05
  • Version: NZTA Q05: 2022
  • Contact: pavements@nzta.govt.nz
  • Conditions: This specification is mandatory for state highways and recommended for local roads
  • Also known as: Q5, Q/5