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Thrie-beam assembly and fixing details (with top rail)

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

This standard drawing (B4) shows details of the accepted TL-4 thrie-beam bridge barrier system (with a top rail) for use on state highway structures.

Pipe handrails and fences

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road controlling authorities

This technical memorandum provides advice on the recommended practice for the mitigation of hazards associated with tubular handrails commonly installed for pedestrian/cyclist protection adjacent to roadways and on structures. This includes older tubular rail barrier systems on bridges with or without an adjacent footpath.

Roughness requirements for finished pavement construction

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

Guidelines for the roughness requirements for finished pavement construction

Use of reclaimed tyre rubber in asphalt

Published: | Category: Technical memoranda , Surfacings & asphalt | Audiences: Road controlling authorities, Road traffic engineers & consultants

This report identifies possible methods and constraints on the use of waste tyre rubber in asphalt in New Zealand. There are two main methods: Wet process - ground tyre rubber (GTR) is first combined with the asphalt binder and can produce asphalt with superior properties; and dry process – the GTR is used to replace a fraction of the aggregate and does not appear to offer any performance enhancement.

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

Published: | Category: Technical memoranda , Road safety hardware and practice | 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.

W-Beam assembly and fixing details (no top rail)

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

This standard drawing shows details of the accepted TL-3 W-beam bridge barrier system (without a top rail) for use on local road and low volume state highway structures.

Thrie-beam assembly and fixing details (no top rail)

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

This standard drawing (B3) shows details of the accepted TL-4 thrie-beam bridge barrier system (without a top rail) for use on state highway structures.

W-beam assembly and fixing details (with top rail)

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

This standard drawing (B2) shows details of the accepted TL-3 W-beam bridge barrier system (with a top rail) for use on local road and low volume state highway structures.

Evaluation of 6mm OCLYTE short stub TM manufactured by CSP Pacific application for approval

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

Approval of 6mm OCLYTE short stub TM manufactured by CSP Pacific including conditions for use.
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