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Technical advice note

The Transport Services Technical advice note (TAN) is a formal memo which keeps all relevant people up to date and aware of any new releases, interim acceptances, changes and updates to technical information, specifications, legislation, etc in relation to highway projects.

This is being used in place of the email memos you may have been receiving from the technical teams across the Transport Services group.

The Technical advice note series should be seen as the one source of truth associated with changes to our technical requirements.

It is sent to registered users, both internal and external to the NZ Transport Agency.

Subscribe to the Technical advice note - the one source of truth for highways information.

Search for TANs posted in 2019

Search for TANs posted in 2020

For further information contact hip.feedback@nzta.govt.nz.

#17-19 M7 - 2017 pilot specification for approved roadmarking products

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: System Design and Delivery

The M7 specification sets out the requirements materials must meet to be included on the list of approved roadmarking products for use on state highways. This is based on the material conforming to a set of laboratory tests and meeting performance requirements assessed by an on road trial.  

#16-16 Update to the Guide to assessing road- traffic noise using NZS 6806 for state highway asset improvement projects

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The Guide to assessing road- traffic noise using NZS 6806 for state highway asset improvement projects has been updated.  

#15-11 Launch of VDAM permitting manual (volume 1 and volume 2)

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

Highways and Network Operations and Access and Use have launched the new Vehicle dimension and mass permitting manual (VDAM manual).  

#17-21 ConstructSafe Tier 1 accreditation

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: NZ Transport Agency

This technical advice note is to advise of updates to NZ Transport Agency ConstructSafe Tier 1 accreditation requirements.

#16-18 Wire Rope Safety Barrier systems – post footing issues (updated Dec 2016)

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

Wire Rope Safety Barrier systems – post footing issues (updated December 2016)

#15-14 Concrete barriers used to temporarily detain rockfall and slope debris

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

This TAN clarifies issues related to the utilisation of concrete barriers to temporarily detain rockfall/slope debris.

#15-03 Assessing historic heritage effects guide

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

New roading impact assessment guide - Assessing historic heritage effects for state highway projects.

#16-14 Stormwater specification for state highways

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The P46 State highway stormwater specification sets out the design and construction stormwater requirements for all state highway improvement projects, however a construction specification will still be necessary for construction requirements.

#17-20 Updated Risk management practice guide (minimum standard Z/44)

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: NZ Transport Agency

This practice guide (which also serves as a minimum standard for outsourced contracts) has been developed to promote a consistent and uniform approach to risk management services, the NZ Transport Agency and our contracts. It has been revised by the Risk and Assurance team in consultation with the Enterprise PMO to reflect the current Transport Agency approach to risk.

#15-13 Geotechnical testing and investigations

Published: | Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors | Author: Highways and Network Operations

The NZ Transport Agency is currently participating in the preparation of an industry ground investigation specification which may be adopted in the future for NZ Transport Agency projects.
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