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  • Author: NZ Transport Agency

This document contains information on our current best estimates for tendering and evaluation periods for professional services contracts over the period of 2014/15 - 2017/18.

The programme includes all consultancy phases (Investigation, Design & MSQA), for projects with a physical works expected cost greater than $4million.

The following information is also...


Category: Roading contractors

Contract procedures manual (SM021)

Published: Mar 2015
  • Reference: SM021 Version: Second edition
  • ISBN: 978-0-478-39434-4 (online)
  • Author: NZ Transport Agency

The NZ Transport Agency's contract procedures manual contains procedures for procurement.

Part A contains procedures relating to the contracting of professional services and physical works and will generally be used for works contracted by the Transport Agency's Highways and Network Operations (HNO) group.

Part B contains procedures for the procurement of goods and...

  • Also known as: 564
  • ISBN: ISBN 978-0-478- 41997-9 (electronic) | ISSN 1173-3764 (electronic)
  • Author: NZ Transport Agency, Opus International Consultants Ltd, Auckland University

The objectives of this study were to investigate the relationship between permeability of chipseals, waterfilm thickness, basecourse moisture sensitivity, heavy traffic volumes, and premature pavement failure following construction through the use of accelerated pavement testing at CAPTIF.

The research has produced some surprising results in that the traditional M/4...


Category: Roading contractors

Bridges and other significant highway structures inspection policy

Published: Feb 2015
  • Also known as: S/6
  • Author: NZ Transport Agency

This policy document sets out the requirements for the inspection of bridges and other significant highway structures on the state highway network.


Category: Roading contractors

Prequalified contractors

Published: 31 Jan 2015
  • Author: NZ Transport Agency

This document shows the NZTA list of prequalified contractors, their levels and categories.


Category: Roading contractors

Repeated Load Triaxial (RLT) Testing for Pavement Materials

Published: 19 Dec 2014
  • Also known as: T15
  • Author: NZ Transport Agency

T15 is an aggregate testing specification, its purpose is to standardise the test conditions used in the Repeat Load Triaxial Test. It does not set limits for materials. It provides an estimate of overall aggregate performance, which is not obtainable from the current suite of NZTA tests that focus on pass/fail requirements.

T15 is a relatively simple test that can be used in...


Category: Roading contractors

Research Report 558 Epoxy modified bitumen chip seals

Published: Oct 2014
  • Also known as: 558
  • ISBN: ISBN: 978-0-478-41983-2
  • Author: Opus International Consultants Ltd

The research investigated aspects of the use of epoxy modified bitumen for construction of chip seals. Changes in the shear modulus, needle penetration and cohesive energy of the epoxy bitumen were used to monitor changes in the material as it cured at 35℃ and 45℃ and after accelerated ageing at 85℃ for 177 days. Wheel-tracking tests were used to determine the ability of the material to...


Category: Roading contractors

Dense Graded and Stone Mastic Asphalt

Published: Sep 2014
  • Also known as: M10, M/10 | M10 Notes, M/10 Notes
  • Reference: SP/SM/010 | SP/NM/010
  • Author: NZ Transport Agency

The M/10 Dense Graded and Stone Mastic Asphalt specification (version 5) and notes (version 3) cover dense graded and stone mastic asphalt for roads and related applications.

The areas covered by this specification include:

  • Asphalt materials
  • Asphalt mix design requirements
  • Process control in manufacture and placement...


Category: Roading contractors

Erosion and sediment control guidelines for state highway infrastructure

Published: Sep 2014
  • ISBN: ISBN 978-0-478-41973-3 (online)
  • Author: NZ Transport Agency

The guidelines have been developed to assist roading practitioners with the selection and design of erosion and sediment control practices.

The guidelines demonstrate our commitment to lowering environmental impacts, social and environmental responsibility, and improving the contributions of state highways to the well-being of New Zealand.

The inspection forms are...


Category: Roading contractors

Research Report 555 Optimising drainage maintenance for pavement performance

Published: Sep 2014
  • Reference: 555
  • ISBN: 978-0-478-41974-0
  • Author: J Patrick and H Arampamoorthy, Opus Research | G Arnold, Road Science

This project was designed to investigate the importance of drainage maintenance for pavement performance and to recommend a maintenance strategy. With restrained funding for pavement renewals drainage maintenance is a cost-effective method to ensure optimum pavement performance.

A combination of repeated load triaxial testing and modelling of water movement has shown that once...


Category: Roading contractors

2014/15 State Highway Plan

Published: May 2014
  • ISBN: 978-0-37183-3 online
  • Author: NZ Transport Agency

The purpose of this document is to communicate our state highway annual work programme. It is one in a suite of strategic documents that describe the service targets we plan to deliver across the network, and our longer term programme and portfolio delivery strategy.


Category: Roading contractors

Guideline for preparing an Environmental and Social Management Plan

Published: Apr 2014
  • ISBN: 978-0-478-41934-4 (online)
  • Author: NZ Transport Agency

This guide is primarily aimed to assist state highway project and contract managers and their contractors and consultants on the requirements of an ESMP. The guide sets out the framework for integrating an environmental management system with the overall contract quality system and with the multitude of sub management plans that are required to ensure steps are in place to meet our legal...


Category: Roading contractors

A methodology for identifying environmental risks for bridge maintenance

Published: Apr 2014
  • ISBN: 978-0-478-41935-1 (online)
  • Author: NZ Transport Agency

The Guideline for preparing an Environmental and Social Management Plan details the minimum requirements for all NZ Transport Agency Environmental and Social Management Plans (ESMP). This methodology provides additional specific information for developing an ESMP for a bridge management contract.


Category: Roading contractors

State highway control manual

Published: Dec 2013
  • Reference: SM012
  • ISBN: 978-0-478-41909-2 (print); 978-0-478-41908-5 (online)
  • Author: NZ Transport Agency

This manual sets out NZ Transport Agency powers and policy with regard to state highways. The manual details procedures for protection, control, asset management and work execution. It references empowering legislation and provides guidance for staff, consultants, Territorial Local Authorities (TLAs), Regional Councils and other bodies in their dealings with state highways.


Category: Roading contractors

Standard specification for Highway Landscape Treatments

Published: Oct 2013
  • Also known as: NZTA P39
  • Reference: SP/SP39
  • Author: NZ Transport Agency

Standard specification that sets out the minimum standards for all highway landscape projects. The baseline landscape specification sets the required performance standards, quality and workmanship for highway landscape treatments which are generally part of all highway projects.


Category: Roading contractors

Prequalification application pack

Published: Oct 2013
  • Also known as: Prequalification for Physical Works Application Pack - Issue 1
  • Version: 9
  • Author: NZ Transport Agency

This document provides all the necessary information for contractors wishing to know about the Prequalification system and also to register under NZTA's Prequalification system to participate in tenders for Physical Works contracts.

The document takes contractors through the prequalification application process highlighting the documents that would be necessary for them to...


Category: Roading contractors

Large maintenance renewals programme

Published: Sep 2013
  • Author: NZ Transport Agency

The NZ Transport Agency is moving to a new approach to its maintenance and operations contracts. This new contracting model (termed network outcomes contracts) will ensure efficiency and effectiveness through strategic asset management and focussed service delivery. Network outcomes contracts are a single contract model (inclusive of physical works and network management functions) and are a...


Category: Roading contractors

State highway construction and maintenance noise and vibration guide

Published: Aug 2013
  • ISBN: ISBN 978-0-478-38065-1 (online); ISBN 978-0-478-38066-8 (print)
  • Author: NZ Transport Agency

The NZTA recognises that noise and vibration associated with road construction and maintenance can be intrusive and disturbing, especially at night. The effective management of such noise and vibration is essential to avoid unreasonable effects on communities and individuals. This guide has been produced to inform NZTA staff, contractors and the public about construction and maintenance noise and...


Category: Roading contractors

Bridge manual

Published: May 2013
  • Reference: SP/M/022 Version: 3
  • ISBN: 978-0-478-37161-1 (online) | 978-0-478-37162-8 (print)
  • Author: NZ Transport Agency

This Bridge manual sets out the criteria for the design of new structures and earthworks, and the evaluation of existing bridges. 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,...


Category: Roading contractors

Pipe Subsoil Drain Construction

Published: 2013
  • Also known as: F2
  • Reference: NZTA F2
  • Author: NZ Transport Agency

Specification and guidance notes for F2 Pipe Subsoil Drain Construction. It refers to pipe subsoil drains including the construction of trenches; the supplying and laying of perforated pipes of the specified type and size; the jointing of the pipes; the supplying and compacting of approved backfilling materials; and the construction of connecting and outlet drains. Subsoil drainage can...

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