Finding the value of materials testing, a field study. David Alexander, Road Science


The civil construction industry in New Zealand is serviced by a large number of laboratories carrying out testing for materials used. The results these laboratories produce are often compared to a specification that gives site engineers the satisfaction they need to ensure that they will stand the test of time.
This presentation will examine how this laboratory based information can be matched up with measurements taken from the field, and used to determine the lifespan of materials as they degrade. The methodology discussed will expose the end of life failure mechanism for asphalt surfacing, and how this mechanism can be quantified in the field. Field trials took place in the upper North Island where sites were reviewed after ten years in service.
The findings from these trials allow for the calculation of surface course life with unprecedented accuracy. Development of a tool that predicts the amount of time a surface course is expected to deliver a specific level of service is currently under development.

Road Network performance monitoring and management guideline. Theuns Henning, IDS & University of Auckland

The RIMS Group Recent released a new guideline on the monitoring and management of road infrastructure.  Sponsored by Queenstown Lakes DC, it forms part of the Body of Knowledge and aims to assist authorities in better decision making for investment in maintenance programmes through performance monitoring, reporting and management. The objectives of the Guideline are:

  • Improve the understanding of how the network performs through specific measures (what they measure, how it can be used) and its performance from a statistical point of view
  • Clarify the performance management implications as viewed from different performance monitoring frameworks used in New Zealand, including One Network Road Classification (ONRC), Department of Internal Affairs (DIA) and Council specific frameworks
  • Improve the understanding of linking performance outcomes to the appropriate maintenance programme and investment profile
  • Define the data implications on performance monitoring and need guidance to the type, frequency, quality and processing of condition data

Based in Auckland, New Zealand, Dr Theuns Henning holds many roles within the civil engineering industry, drawing on his academic background and industry experience. Theuns is a published author of 39 international journals, six Road Infrastructure Management (RIMS) Body of Knowledge Guidelines and is the primary author of four World Bank Guidelines for developing countries. He holds a Masters of Engineering (Transportation) from the University of Pretoria, South Africa and completed his PhD at the University of Auckland in 2009, where he was the recipient of the Foundation for Research and Technology Bright Future Scholarship.

Putting TSD on the map – spatially representing traffic speed deflectometer data. Grant Clarke, Downer


TSD data is now available for the majority of the State Highway network.  For many of us, there is a question of can we use this data?  And if so, how do we use it?  This presentation outlines a spatial approach on making the data available in a usable format for our asset management analysis and decision making processes.
Moving from technical data to mapping output can be a daunting task for an Asset Information team.  This is made easier with multidisciplinary input from Downer specialists and Asset Management practitioners.  Understanding the start and end points allowed the Asset Information team to move forward with confidence.
Transforming the TSD data into SNP values is computationally intensive with a number of data quality issues that need to be addressed.  Achieving processing efficiency is critical when calculating values for a whole network.  Trapping errors in various input and calculated values is essential to ensure output integrity.  Good mapping demands that the SNP values be summarised in appropriate granularity along with spatial referencing.  The final data step before mapping is to translate the SNP into strength categories.
Mapping output is added to Google Maps which is shared with our Asset Managers.  This can be used by itself or combined with layers from other datasets.  For example, combining the TSD with the Forward Work Programme gives a cross check on treatment selection.  The mapping output has been used to assess network health against HCV growth and the quick assessment of network pavement condition on new networks.

Grant Clarke is a Senior Asset Information Manager with Downer NZ, based in Christchurch since 2013.  He is actively engaged in NZTA Network Outcomes Contracts as well as providing asset information management support to local authority road maintenance contracts.  One focus area for Grant is supporting the Downer asset management practitioners with network wide data analysis including mapping the resultant information.

Red bridge investigation. Anu Ileperuma, Hastings DC and Natalia Uran, WSP

Red Bridge is located on Waimarama Road, Hastings, spanning across the Tukituki River, on a strategically significant, proposed High Productivity Motor Vehicle (HPMV) route in the district. Following inspection findings, where cracks were observed in parts of the bridge, and after an update of the VDAM General Mass regulations to 45/46 tonnes in December 2017, the bridge was restricted to 90% Class 1 with a 10km/hr speed restriction.  Along with Red Bridge, a further 25 bridges were also restricted within the district.
This presentation outlines a case study of how modern optimisation techniques have allowed Red Bridge, to support increased loading without the need for costly strengthening or replacement.  Optimisation has involved a wide range of conventional and state-of-the-art techniques, including materials testing, advanced modelling calibrated with field testing, and real time monitoring.  By refining both the capacity of the structure and the load demand, a significant increase in the bridges theoretical capacity was achieved, saving the asset owner over $2.6M in strengthening costs.

Anu is a Hastings District Council Bridge Engineer with a Bachelor in Civil Engineering (Hons).  Her portfolio covers the capital works and maintenance of bridge assets within the Hastings district and she has been with the Council for over five years.

Natalia is a Senior Bridge Asset Engineer with a Bachelor (Hons) in Civil Engineering and a Masters in Structural Engineering (Distinction).  Natalia has over 12 years’ work experience in the UK and New Zealand.  Natalia’s work experience has primarily been concentrated in bridge inspection, strengthening designs, live load bridge assessments and asset management for a wide range of clients including NZ Transport Agency and Local Authorities.  Natalia currently leads the Bridge and Civil Structures team for the WSP Napier office.

The new Candidate Selection Algorithm Project: What, Who, Why, When. Mike Tapper, Beca

This project currently being undertaken seeks to achieve two objectives.  The first is to implement improvements to the treatment selection algorithm, that sits within RAMM, based on the findings of the Waka Kotahi Research Project published in 2016.  The second objective is to make available the coding for the updated renamed Candidate Selection Algorithm.  This presentation discusses the project, improvements from the previous Treatment Selection Algorithm you all know and love and what the outputs will be.

Mike is a technical with Beca with over 25 years experience in road asset management.  Mike has led asset management, condition survey, traffic counting, network management professional support services contracts across both national and local authority clients and networks.  Mike co-led three research projects for Waka Kotahi, including improvements to the visual condition rating and treatment selection algorithms.  Mike is currently coordinating the new Candidate Selection Algorithm (CSA)  project, a project to make available an improved updated CSA from the old Treatment Selection Algorithm buried deep (so deep!) within RAMM.

Lifting Human Potential. Chuck Dowdell, Launch Complex Manager for Rocket Lab

This presentation will cover;

  • Technology changes that drive our focus on the small satellite market.
  • How electron is different from other launch vehicles; ie. manufacture, composition, flight deployment stages,
  • Why we launch from where we do; ie. why Mahia and Whallops Island
  • What we have achieved in such a short time
  • What developments are in our sites

Chuck is Launch Complex Manager in Mahia for Rocket Lab.  Prior to this he had 22 years in the NZ Army retiring as a Lieutenant Colonel.  He managed a public transport company in Christchurch before managing Fuel Distribution contract in Afghanistan and Remote Projects contract in Iraq.  He was also State Highway Manager, NZ Transport Agency in the Napier office for 5 years and private business project for a couple of years.  

Setting the Scene. Paul Swain, Paul Swain Consulting & Tracy Bell, Timaru DC

As sponsors of the “Utilities Access to Transport Corridors” stream on Day 2, the NZUAG Board Chair Paul Swain and members will set the scene for the day, outline how the Code is performing across the country, explain the changes that have been made to the Code as the result of the latest review and update participants on the NZUAG work programme designed to improve the effectiveness of the Code for industry and the public.

Paul is the independent chair of NZUAG. He is a former Minister of Transport and Communications, was an elected member of the Wellington Regional Council and is the Chairman Fire and Emergency New Zealand. Paul runs his own consultancy business based in Wellington.

Better, Longer, Faster! Andrew Healy, beforeUdig


Corridor Manager’s seek better practices on their roads, longer periods of free flowing traffic and faster excavations. That only happens when workers are competent and skilled and is why our organisation has launched a highly successful Australian Locator Certification programme in New Zealand. More than ever Locator’s are being used by contractors to identify assets in the road corridor. Ensuring contractor confidence in a Locator’s skill set is vital to reducing damages, decreasing disruption to the road corridor and more importantly eliminating serious injuries to workers or the community. Hear about why we have invested significant time and collateral to bring this competency standard to New Zealand, the benefits it brings to our industry, and how you can work with us, other industry bodies and utilities to bring about the better, longer, faster environment we all seek.

Andrew has an extensive background working with Local Government and Utilities delivering solutions across multiple departments. He is key to ensuring NZ utilities, central and local government capture the asset protection and H&S benefits of beforeUdig. Across NZ Andrew strives to bring a ‘next level’ of value and benefit to the industry, delivering innovative software solutions and programmes and promoting best practice for protection of infrastructure and life.

Third party damage (TPD) of utility assets in Transport Corridors – Near misses vs actual and how do we identify repeat offenders? Rene DÁth, First Gas


Third party damage of utility assets is, “not can be”, a major cost to asset owners across all utility sectors. Not to mention the safety risks these damages impose. And these costs can be much higher than the pure cost of rectifying the damage.
Post incident actions including awareness or education presentations, technical training, cost recovery for remedial works or even penalties and fines provide some means to highlight issues to offenders but are all reactive. Proactive activities to reduce overall TPD incidents are difficult to identify, implement and effect.
Collecting data of damages, and the ability to share this data with other asset owners can be very useful in identifying repeat offenders and undertaking joint education. Near misses are more difficult to identify and/or share amongst industry participants but invaluable to really identify repeat offenders.
NZUAG data collection as required to comply with the code is a very useful tool for utilities across industry areas that don’t typically collaborate, to benchmark data sets and possibly, introduce parties where synergies could be beneficial.
This presentation hopes to generate discussion amongst these utility owners and tease out possible areas where collaboration may be advantageous to identify proactive activities to reduce third party damage.

René has been working in the gas industry for over 30 years. The last four years this has involved managing the First Gas Distribution networks which include some 4500kms of pipelines the majority of which are polyethylene. Prior to the current role, René has worked as a corrosion technician/technologist, various technical services management positions, HR, and consulting both in New Zealand and Australia. He currently sits on the Gas Association of New Zealand Board and the NZUAG Board and chairs the Technical and Training committees for GANZ and the Compliance Committee for NZUAG.
Rene provides a leading role for the NZ Gas Industry in working to reduce third party damage and a number of technical and training fronts to enhance operations and safety across the industry.

When nothing is going right …. Go left!!! Tanya Bowers, Chorus


A look at some challenges across the Chorus business, including interactions with the RCA’s, other Utilities and the general public, as well as the Code and its challenges. How we have dealt with some examples and how to make it easier.
It’s not always clear cut and sometimes we need help from other parties to find solutions.

Tanya has been a Stakeholder Operations Manager with Chorus for 5 years with a total of 27 years in the telco industry. Working as part of a small team within Chorus she looks after the operational management in the field ensuring Code compliance and issues are managed. This involves communication with RCA’s on a regular basis.