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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.

#20-17 Procurement - Invoice payment terms for all Waka Kotahi suppliers

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Procurement team, Waka Kotahi NZ Transport Agency

This note is to advise that there is an instruction to staff to help to facilitate a quick turn-around on invoices to help businesses meet their costs.   This note shall apply from the date of publication.   The aim is not to over-rule the required processes but to bolster the turn-around on invoices once they are confirmed.

#20-15 Use of timber poles for ground improvement

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Geotechnical team, Waka Kotahi NZ Transport Agency

This note is to advise that there is an issue with the use of timber poles for ground improvement where used in conjunction with a structure and outlines interim requirements pending the next Bridge manual update.  This note shall apply from the date of publication.

#20-14 Contract Procedures Manual (SM021)

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Procurement team, Waka Kotahi NZ Transport Agency

This note is to advise that the third edition, amendment 1 of the Waka Kotahi NZ Transport Agency manual SM021, Contract Procedures Manual, has been released.  The third edition is to be used for all future procurement of infrastructure and non-infrastructure goods/services/works and is available for download from the Waka Kotahi website.  The changes are mainly internal process changes, all-of-Government and sector requirements and editorial changes. This new version of the Manual applies from the date of this notice.

#20-13 State Highway Construction Contract Proforma Manual (SM031) Appendix D Issue 14 and State Highway Maintenance Contract Proforma Manual (SMO32) Appendix B Issue 11

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Procurement team, Waka Kotahi NZ Transport Agency

This note is to advise that a new Alliance contract model proforma has been released to be used for all future procurement where an Alliance model will be used.  The updated Alliance contract model appears in Appendix D to issue 14 of the Waka Kotahi NZ Transport Agency State highway construction contract proforma manual (SM031) and Appendix B to issue 11 of the Waka Kotahi NZ Transport Agency State highway maintenance contract proforma manual (SM032).

#20-12 Removal of references to 'Engineer to the Contract'

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Procurement team, Waka Kotahi NZ Transport Agency

This note outlines a minor change to the Waka Kotahi NZ Transport Agency manual SM030 Professional Services Contract Proforma Manual, amendment 9 October 2019.   The change involves removal of references that are no longer relevant.   The change outlined in this note shall be implemented from the date of publication.

#20-05 Contract Procedures Manual (SM021)

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Procurement team, Waka Kotahi NZ Transport Agency

This note is to advise that the third edition of the Waka Kotahi NZ Transport Agency Contract Procedures Manual (SM021) has been released to be used for all future procurement of infrastructure projects and is available for download from the Waka Kotahi website.  

#20-06 State Highway Construction Contract Proforma Manual (SM031) Issue 16

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Procurement team, Waka Kotahi NZ Transport Agency

This note is to advise that issue 16 of the Waka Kotahi NZ Transport Agency State Highway Construction Contract Proforma Manual (SM031) has been released to be used for all future procurement of infrastructure projects and is available for download from the Waka Kotahi website.

#20-07 State Highway Maintenance Contract Proforma Manual (SM032) Issue 11

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Procurement team, Waka Kotahi NZ Transport Agency

This note is to advise that issue 11 of the Waka Kotahi NZ Transport Agency State Highway Maintenance Contract Proforma Manual (SM032) has been released to be used for all future procurement of infrastructure projects and is available for download from the Waka Kotahi website.  

#20-04 Update to State Highway Control Manual (SM012)

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors | Author: Operational Policy, Planning and Performance (OP3) team, Waka Kotahi NZ Transport Agency

A new version of the SM012 manual is now available to assist practitioners involved in state highway corridor management to carry out their day to day tasks. The content of the new version can be used as guidance with immediate effect.

#20-10 Use of hollow bar ground anchors and soil nails

Published: | Category: Technical advice note | Audience: Road traffic engineers & consultants | Author: Geotechnics, Waka Kotahi NZ Transport Agency

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 demonstrable. The new requirement for hollow bar anchors and soil nails applies from the date of this notice for Waka Kotahi NZ Transport Agency, and may be used by any other road controlling authority.
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