Resources

This report presents a summary of the outcomes of a follow-on project to a research project commissioned by the NZ Transport Agency that culminated in the publication of research report 553 The development of design guidance for bridges in New Zealan…

This specification and guidance notes apply to the construction of subsoil drains which consist of geotextile lined trenches filled with drainage aggregate.

Test method to assess the long-term field durability (resistance to oxidative hardening) of NZTA M1 penetration grade bitumens.

This specification and guidance notes set out the material and construction requirements for geotextiles for use as separation and/or filtration applications in highway earthworks and pavements.

The specification and guidance notes for first coat seals applied upon the finished surface of compacted granular basecourse pavement.

This method can be used to provide a simple quality control test to determine the permeability of a fabric.

This specification applies to the in-situ stabilisation of granular pavement layers using cement, lime, bitumen emulsion or foamed bitumen.

Stabilisation of pavement layers has a long history in New Zealand.

This specification for pre-surfacing repairs replaces the specifications TNZ C4, C5, C6, C7 and C8.