Logan City Council are responsible for an extensive road network which consists of a very large asset base, particularly being within a metropolitan area. Council are required to operate and maintain this asset class to a very high standard, and to help achieve this is the requirement to have a high level understanding of the scale and condition of this asset class.

A major aspect to improve this understanding is to improve the accuracy and completeness of the asset register. Therefore, council was seeking a contractor to capture their entire kerb, channel, median, island and roundabout network spatially to improve that understanding of the number of these assets that council are actually responsible for.

Proterra Group was engaged to undertake the spatial capture of the entire kerb, channel, median, island and roundabouts network. This project was a desktop mapping exercise which involved the digitisation of all of Council's kerb and median network based on high resolution satellite imagery supplied by the QLD Government, using the ArcGIS software suite.

The digitisation process required the assets to be segmented based on a number of factors including change of location, intersections, road geometric change, material, and kerb type. Attribution for all assets were then undertaken based on a mixture of methods, such as existing council collected tabular data which required review and consolidation to fit within the newly digitised asset segment, and also by using ground truthing activities using various street view applications.

The basis of this project was to improve the accuracy and completeness of the LCC’s asset registers, whilst spatially capturing all associated assets to accurately locate each asset segment and to incorporate all asset data into their asset management systems, which was successfully achieved and delivered.

Another major benefit of this project is the discovery that the network was much larger than previously thought in terms of the number of assets, particularly for the islands and median’s asset base. Even though this asset class has been captured previously using other techniques, by undertaking this project an additional 400,000 m2 of medians and islands were captured along with an additional 300 km and kerb and channel.

This project required utilising many different technologies, data sources and techniques to accurately measure and capture data. Therefore, a close relationship with council was required to be maintained throughout the project to gain a high understanding of the network that council managed. This also allowed the data that was being captured was to council requirements, captured accurately and to a high level of completion.

Proterra Group's customised ESRI Client Dashboard was utilised throughout this project allowing Council many benefits such as viewing captured data in real time to monitor the progress of the project whilst also seeing the quality of the data being captured and the number of assets being identified. It also allowed both Council and Proterra Group to undertake project management tasks much quicker such as project progress and cost control.