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Lapping of semi-rigid guardrail

Published: | Category: Road safety hardware and practice , Technical memoranda | Audience: Road traffic engineers & consultants

To advise on the recommended practice for the lapping of semi-rigid barrier systems (W-beam and thrie-beam).

Dent breakaway system for signposts

Published: | Category: Road delineation & signs , Technical memoranda | Audience: Road traffic engineers & consultants

This memo provides advice on the use of the Dent breakaway system in sign installations.

Wire rope safety barrier (WRSB) transitions

Published: | Category: Road safety hardware and practice , Technical memoranda | Audience: Road traffic engineers & consultants

This technical memorandum provides advice on the recommended practice for the design and installation of transitions between wire rope safety barriers (WRSB) and semi-rigid and rigid barrier systems. The barrier configurations in the memo are generic. For specific details for proprietary barrier systems, contact the system supplier.

Basecourse Aggregate memo

Published: | Category: Pavements & aggregates , Technical memoranda | Audience: Road traffic engineers & consultants

This memo contains the approval to issue the 2006 version of TNZ M/4.

Bitumen testing

Published: | Category: Surfacings & asphalt , Technical memoranda | Audiences: Road traffic engineers & consultants, Roading contractors

Highways and Network Operations Technical Memorandum No. TM6003 containing advice on the use of bitumen test results, both bitumen quality control records and verification testing.

HMV categorisation of defects

Published: | Category: Technical memoranda | Audience: Heavy vehicle operators

This guide covers a considerable number of faults and situations that are dealt with by police who hold a certificate to carry out level 3 and level 5 inspections, CVIU vehicle safety officers and NZ Transport Agency transport officers. They contain a set of national enforcement standards designed to ensure that heavy vehicle defects are dealt with uniformly throughout the country. These guides are also available to the transport industry as a reference guide.

Bosspipe product, TNZ F/2 and TNZ F/3 specifications

Published: | Category: Approvals , Technical memoranda | Audience: Road traffic engineers & consultants

Bosspipe product, TNZ F/2 and TNZ F/3 specifications.

Guidelines for edge protection and medians on dual carriageway roads, incorporating a Safe System philosophy

Published: | Category: Road safety hardware and practice , Technical memoranda | Audience: Road traffic engineers & consultants

The launches of the Safer Journey’s initiative and the Decade of Action for Road Safety have brought the way we design for safety into focus. The purpose of this document is to define the Safe System philosophy for dual carriageway roads and how this may vary with context. In particular these guidelines are intended for use on all the roads of national significance (RoNS) projects.

Buried in backslope end treatment

Published: | Category: Road safety hardware and practice , Technical memoranda | Audience: Road traffic engineers & consultants

To advise on the recommended practice for the design and installation of a buried in backslope end treatment.

Superelevation calculations

Published: | Category: Structures (bridges, culverts & geotechnical) , Technical memoranda | Audience: Road traffic engineers & consultants

This memorandum provides information for practitioners on the calculation of road superelevation appropriate for a vehicle speed and curve radius. This information should be used in place of that given in the Austroads Guide to Road Design Part 3 Section 7. 7. 1.
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