Consideration of Increased Failure Probabilities due to Interventions on Multiple Networks — ASN Events
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  2. Urban Infrastructure Governance and the Sustainability Challenge
  3. Consideration of Increased Failure Probabilities due to Interventions on Multiple Networks

Consideration of Increased Failure Probabilities due to Interventions on Multiple Networks (15244)

Clemens Kielhauser 1 , Bryan T Adey 1 , Nam Lethanh 1
  1. The Institute of Construction and Infrastructure Management, ETH Zurich, Zurich, Switzerland

One task of city engineers is to plan the execution of interventions on infrastructure to ensure that it provides an adequate level of service. The execution of each intervention, however, results in negative impacts, such as the costs to the owner and increased travel time for users due to traffic perturbations. These negative impacts can be reduced if interventions on objects that are geographically close to each other are combined. However, due to this closeness, there is a non-negligible probability of damaging other infrastructures during an intervention. In this paper, the effect of the consideration of the spatial proximity of interventions on objects of multiple networks, with and without damage risk consideration, on work programs is illustrated using a gas and a sewer network in a small urban area.