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The Highways and Network Operations' 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 Highways projects.

This is being used in place of the email memos you may have been receiving to date from the technical teams across the Highways and Network Operations 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 HNO Technical advice note - the one source of truth for Highways information.

HNO staff can get information on how to send out a new advice note (external link) (internal link) from OnRamp.

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

#17-14 Bridge manual amendment - interim advice - mechanical reinforcement couplers and anchorages

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

This Technical advice note outlines a proposed amendment to Bridge manual clause 4.2.1(f) and systems approved for use in the interim.

#17-13 Update to Code of practice for temporary traffic management (CoPTTM)

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

CoPTTM describes best practice for the safe and efficient management and operation of temporary traffic management (TTM) on all roads in New Zealand. This update is part of a regular cycle of reviews.

#17-12 Public charging infrastructure for electric vehicles - planning signals

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

This technical advice note is provided to help highway planning teams identify opportunities to support the deployment of electric vehicle (EV) public charging infrastructure during state highway development programmes.

#17-10 Updates to S6 and S8 specifications

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

Updates to S6 Bridges and other significant highway structures inspection policy and S8 Tunnels management and inspection policy. 

#17-11 People, place and environment series: new Social impact guide and updated Public engagement guidelines

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

The Social impact guide and Public engagement guidelines have gone through the consultation process and have now been published. 

#17-09 Verification testing of steel materials

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

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 is an interim measure until a full specification has been developed.

#17-08 Modification to sealing using melter aggregate chip seals

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

This technical advice note outlines modifications to sealing practice when using melter aggregate. 

#17-07 Update to Protective coatings for steel bridges: a guide for bridge and maintenance engineers

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

The Protective coatings for steel bridges guide provides a summary of information to assist the bridge designer with the specification of a cost effective performance based corrosion protection system.

#17-05 SM021 Contract procedures manual update

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

The Contract procedures manual has been updated to reflect changes to the Highways and Network Operations’ (HNO) contract procedures (part A). 

#17-06 Coastal effects assessment guideline released

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

The Transport Agency has developed the Coastal affects assessment guideline in response to the Agency’s focus on long-term climate change impacts, such as sea level rise, increased inundation, and various environmental effects to ensure resilience of the New Zealand highway network.
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