CONSTRUCTION

Smythes is capable of supplying a full spectrum of products to meet the construction market.

Basecourse A range of basecourses are available to NZ Transport Agency Waka Kotahi and local authority specifications.

Sub-basecourses/Fill We have a large range of lower grade non specified basecourses available for subgrade improvement and general fill.  Unscreened granular fill material are also available.

Our Construction range:

  • NZTA M040 - TNZ40

  • Auckland Transport All Passing 40 - ATAP 40

  • Auckland Transport All Passing 65 - ATAP 65

  • Waikato Hamilton All Passing 40 - WHAP 40

  • Waikato Hamilton All Passing 65 - WHAP 65

  • General All Passing 40 - GAP 40 (non spec)

  • General All Passing 65 - GAP 65 (non spec)

  • General All Passing 7 - GAP 7 (non spec)

  • General All Passing 10 - GAP 10 (non spec)

  • General All Passing 20 - GAP 20 (non spec)

  • General All Passing 100 - GAP 100 (non spec)

  • Maintenance All Passing 40 - MAP 40 (sub base)

  • Maintenance All Passing 65 - MAP 65 (sub base)

  • Gabian Rock 250/100

  • Gabian Mattress Rock 130/65

  • Boulder Spalls

  • Builders Mix

  • Track Mix

  • Drainage Chip 20/7

  • Drainage Chip 40/20

  • Drainage Chip 65/40

  • Run of Pit Blue

  • Run of Pit Brown

  • Run of Pit Soft

  • Clay Fill

NZ Transport Agency Waka Kotahi Specification for Basecourse Aggregates NZTA M04 2024

Auckland Transport Specification for the Supply of Aggregates for Pavement Construction ATAP65 ATAP40