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First coat sealing (P03)

Published: | Category: Construction , Chipsealing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

P03 Specification for first coat chip sealing sets out a client-prescribed method for the construction of a chip seal on a newly constructed granular basecourse pavement.

The areas covered by the specification include:

  • treatment selection
  • aggregate supply
  • plant and equipment
  • construction of the seal
  • quality requirements.

P03: 2025 specification replaces the version issued in 1995.

Publication details

  • Author:
  • Published: June 2025
  • Reference: NZTA P03
  • Contact: pavements@nzta.govt.nz
  • Conditions: This specification is mandatory for state highways and recommended for local roads.
  • Also known as: P3; P/3

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  1. Specification for first coat sealing — 10 pages, 479 KB
  2. Specification for first coat sealing notes — 8 pages, 781 KB
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