Resources

Waka Kotahi NZ Transport Agency wishes to advise that Specification P23: 2005 performance-based specification for hotmix asphalt wearing course surfacing, and its accompanying Notes, have been withdrawn and must no longer be used in new Waka Kotahi c…

This notice advises that the latest changes to the Prequalification for physical works information pack are available to assist suppliers and project managers to more easily apply the prequalification protocols.

This note is to advise that there is an issue with the use of hollow bar anchors and soil nails as an anchorage method and, as a result, this methodology must not be used unless its suitability for anchoring structural works as designed is demonstrab…

The M1 specification for bitumen is based around the measurement of penetration and basic viscosity. This technical advice is superseded by #1909 Update to NZTA M1A specification for performancegraded asphalt binder .

Road Safety Hardware Update – Temporary Concrete Barrier TCB-1

amendment interim advice mechanical reinforcement couplers and anchorages  was superseded and withdrawn. See Technical advice note  #1907 Bridge manual – mechanical reinforcement couplers and anchors – interim advice (July 2019)

The purpose of this technical advice note is to define a consistent mandatory approach for the verification of steel materials on NZ Transport Agency projects.

This information is for those buying steel and fabricating vehicle structures and components, particularly those regulated to be certified and in accordance with welding requirements of AS/NZS 1554.

This technical advice note details the methodology to convert the traffic speed deflectometer (TSD) data to the more familiar falling weight deflectometer (FWD) output, enabling any TSD data collected to be directly compared to any historically colle…