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Bridge inspection and maintenance manual

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

Guidelines for best practice bridge inspection and maintenance. It includes techniques, procedures and current technology and supersedes the previous (1991) edition.

Highway structures design guide

Published: | Category: Structures (bridges & culverts) , Manuals | Audiences: Road traffic engineers & consultants, Roading contractors

The Highway structures design guide sets out the NZ Transport Agency’s design requirements for all permanent highway structures on the state highway network. It also sets out the Transport Agency’s design requirements for earthworks, including natural slopes, embankments and cuttings. See also Bridge manual guide which is a companion document to the Highway structures design guide.

Bridge data system (BDS) structural guide

Published: | Category: Structures (bridges & culverts) , Manuals | Audience: General

The BDS was used for maintaining up-to-date structural information for all structures on the state highway network that are sensitive to overweight vehicle loads, and was used by OPermit to assist with the evaluation of overweight permit applications for travel on the state highway network. This guide has now been superseded by the OPermit bridge structural data guide.  

Bridge manual

Published: | Category: Structures (bridges & culverts) , Manuals | Audiences: Road traffic engineers & consultants, Roading contractors

This Bridge manual sets out the criteria for the design and evaluation of bridges, culverts, stock underpasses and subways, the design of earthworks and retaining structures. The manual is a companion document to the overarching Highway structures design guide which provides general and specific design criteria for all highway structures.  

The manual has been developed by the NZ Transport Agency for use on state highways or for the design of other new or replacement bridges proposed for funding from the National Land Transport Fund (NLTF). Use of the manual on other highways, including private highways, may be considered appropriate with the agreement of the relevant road controlling authority, client or landowner. Structures technology is an area of ongoing research and refinement and the manual is reviewed from time to time to incorporate important corrections and amendments.

OPermit: Overweight and high productivity motor vehicle permitting system user guide

Published: | Category: Structures (bridges & culverts) , Guidance for specialists | Audiences: Road controlling authorities, Road traffic engineers & consultants

This guide tells how to use the overweight and HPMV permitting (OPermit) system application. The information in this document is for the users listed below. Some of the topics in this document are for specific types of users only:

NZTA users
Regional Structures Management Consultants
Permit Issuing Officers

Analysis of piled bridges at sites prone to liquefaction and lateral spreading in New Zealand

Published: | Category: Structures (bridges & culverts) , Research & reports | Audiences: Road traffic engineers & consultants, Roading contractors

This report presents a summary of the outcomes of a follow-on project to a research project commissioned by the NZ Transport Agency that culminated in the publication of research report 553 The development of design guidance for bridges in New Zealand for liquefaction and lateral spreading effects. This project has involved summarising the pseudo-static approach developed in the research project for the analysis of bridge foundations on sites prone to liquefaction and presents two examples of the evaluation of the liquefaction hazard and two examples of the analysis of piled bridges on sites prone to liquefaction. This report is intended for engineers who are familiar with geotechnical and structural design practice for static and seismic loading of bridges. See also research report 553 The development of design guidance for bridges in New Zealand for liquefaction and lateral spreading effects.

Bridge descriptive system (BDS) descriptive guide part A

Published: | Category: Structures (bridges & culverts) , Manuals | Audience: General

The Bridge descriptive system is used for maintaining up-to-date structural information for all structures on the state highway network that are sensitive to overweight vehicle loads, and is used by OPermit to assist with the evaluation of overweight permit applications for travel on the state highway network. The purpose of this guideline is to provide all users of the Bridge Descriptive System (BDS) details of how to operate the application. It also defines the role each party plays in ensuring the database is kept up to date. The information in this document is for the users listed below. Some of the topics in this document are for specific types of users only:

NZTA Users
Regional Bridge Consultants
Network Management Consultants
NZTA Information Systems Staff
BDS System Administrator

NZ Transport Agency guide to road tunnels

Published: | Category: Structures (bridges & culverts) , Manuals | Audience: Road controlling authorities

This NZ Transport Agency guide to road tunnels is a supplement to the Austroads Guide to road tunnels. It provides specific guidance regarding the design, operation and maintenance of road tunnels on state highways in New Zealand.

Seismic screening of bridges

Published: | Category: Structures (bridges & culverts) , Manuals | Audiences: Road traffic engineers & consultants, Roading contractors

This manual sets out the required screening procedure to be used for the initial stage, which identifies and ranks those bridges that are considered by the screening consultant to justify subsequent detailed assessment of their earthquake resistance.

Protective coatings for steel bridges: a guide for bridge and maintenance engineers

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

This document provides a summary of information to assist the bridge designer with the specification of a cost effective performance based corrosion protection system, taking into account future maintenance requirements, by using the net present value life cycle costing model. Guidance is also provided for the maintenance painting of existing steel bridges.
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