Asset ManagementBackground to Asset Management at the South African National Roads Agency Ltd.
Project selection within the South African National Roads Agency
occurs through our pavement management system (PMS). PMS refers to a systematic method of information collection and decision making support to permit the optimisation of resources for the maintenance, rehabilitation and the construction of new pavements, generating a programme of works and corresponding budget which match a defined level of service. The pavement management decision support system is a computerised sub-system of the overall Road Network Management System that:
The pavement management decision support system
is a computerised sub-system of the overall Road Network Management System that:
- access a centralised road network database for inventory, condition and utilisation data;
- then utilising the data for life cycle predictions of road deterioration, maintenance needs, agency costs and user costs, and
- combining the above according to the selected objective function to produce an optimised budget.
Budget programming strategies vary among road authorities
as there is no single “best” strategy, nor is there an universal set of criteria that can be applied to all road networks. While in general terms there are undoubtedly budget programming strategies that are more appropriate than others, given specific conditions, the factors that influence the selection process are varied and complex. The key methodologies of the strategy used within the Pavement Management System of the South African National Roads are presented herein.