Conference Proceedings (VTTI)
Permanent URI for this community
Browse
Browsing Conference Proceedings (VTTI) by Subject "Asset management"
Now showing 1 - 2 of 2
Results Per Page
Sort Options
- An Innovative Footpath Pavement Management System for Auckland TransportFraser, Scott; Lui, Wei (2015-06-04)Traditionally footpath inspections are done either on foot which is slow and labor intensive, or from a vehicle driving on the carriageway. Both often give inconsistent and inaccurate results. A mobile footpath inspection vehicle, consisting of a 50cc scooter and an on-board data capture system, has been developed for inspecting and collecting footpath condition data for Auckland Transport. Voice recognition technology is utilized so that the inspector can record type and severity of faults hands-free. All location information (route position, road id#, footpath id#, street address) is captured automatically through GPS tracking technology. The system also automatically calculates the condition grade of each footpath section based on fault types, quantity and severity. This mobile inspection system greatly enhances the efficiency, accuracy and consistency of collecting and managing footpath condition data. Three years of inspections have been completed for over 6,800 km of footpath managed by Auckland Transport. Optimized 3-year and 10-year footpath renewal programmes have been developed based on the footpath condition data collected, helping Auckland Transport make more informed decisions for better management of their footpath assets.
- Maximise levels of service using cross-asset portfolio renewals managementMason, Michael; Rangamuwa, Siri; Henning, Theunis F. P. (2015-06-04)Auckland Transport is tasked with managing its road and public transport assets in the most cost-efficient manner to deliver levels of service and manage risk across the asset portfolio. The renewals approach outlined in this paper is part of an optimized decision-making methodology that is helping improve customer satisfaction through a more robust, consistent and equitable approach to the management of transport assets and their levels of service across the region. Auckland Transport asset management has been developing a renewals optimization model (ROM) to help optimize the condition profile of the portfolio and provide investment options to balance levels of service, cost and risk for each asset class. It identifies the investment required to change the current condition profile of each asset class to a more cost-efficient state while having regard for funding constraints, levels of service, risk and whole of life cost. It uses accepted depreciation curves for each asset group, an interactive process of allocating investment for renewals by insuring the investment for each asset class achieves the desired level of service in a balanced manner. The tool also enables the development of portfolio investment options for renewals scenario decision making based on the specific requirements of each asset class. It achieves this by identifying the consequences of trade-offs between: - steady condition state to be achieved. - level of service required. - number of years allowed to achieve desired levels of service. - level of backlog that can be accepted based on risk, criticality, movement and public perception considerations. The outcome of this approach is a balanced long-term renewals programme that will help resolve inherited variations in the condition state of transport assets and their levels of service across the region.