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

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

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.

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

Published: | Category: Technical advice note | Audience: Road traffic engineers & consultants

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.

#20-05 Contract Procedures Manual (SM021)

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

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.  

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

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

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.  

#20-08 Use of GAP65 as a drainage medium to retaining and geotechnical structures

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

This note is to advise that there is an issue with the use of GAP65 as a drainage material and, as a result, this material must not be used unless its suitability for the works as designed is demonstrated. The new requirement applies from the date of this notice.

#20-09 Use of sonic drilling in ground investigations

Published: | Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

This note is to advise that there is an issue with the use of sonic drilling as an investigation technique in the North Island and, as a result, this methodology must not be used unless its suitability for the works as designed is agreed with the road controlling authority. The new requirement applies from the date of this notice.

#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

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

#16-02 Transport Agency Greenroads implementation policy

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

The Transport Agency is using Greenroads® as a tool to assess the sustainability performance of high-value state highway improvement projects. Greenroads assessment and certification applies to the detailed design and construction stage of a project.

#16-17 Road safety barrier accreditation scheme

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

Road safety barrier accreditation scheme gets green light for safety.

#15-01 Launch of the Technical advice note

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

Highways and Network Operations have launched the new Technical advice note series.