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#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.

#20-08 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.

Research Report 311 Energy risk to activity systems as a function of urban form

Published: | Category: Sustainable land transport , Research programme , Research & reports | Audience: General

This project aimed to develop analytical methods for assessing energy risks due to a peak and decline in global oil production. Additionally to develop modelling capabilities to link these analyses to urban form. The aim was to provide a new capability for long term development planning. The need for communication between members of the community, councillors and practitioners with diverse backgrounds and interests are realised. Thus, the goal in modelling was to provide accurate risk assessment and clear visual-based communication of results. Keywords: energy, urban form, transport policy, modelling.

#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.