Special purpose simulation templates for tunnel construction operations

Simulation is a powerful tool for decision making. It provides an appealing approach to analyze and improve repetitive processes such as tunnelling. N otwithstanding this appeal, application of simulation to real-life construc tion projects has been minimal. This paper describes the design, developmen t, and application of a special purpose simulation tool for actual tunnel c onstruction operations performed by the City of Edmonton Public Works Depar tment. The implementation of this tool in industry was successful and serve s as a model for others to follow. The decision-making process adopted by t he model developers and the construction industry personnel during the desi gn, development, and implementation of the simulation are described. The co st-planning tool in the tunnel template is very useful in making decisions and evaluating the feasibility of tunnel construction projects. The real-li fe application of various alternatives compared to the conceptual estimates prepared for a proposed tunnel project to be constructed in Edmonton is pr esented in three stages. The basic costs, operational costs, support costs, productivity, duration, and resources utilization data are presented for d ifferent alternatives for the proposed tunnel project. Future modifications required by the engineering staff of the City of Edmonton, and the propose d research for modelling uncertainties in tunnel construction are identifie d. The successful application of the simulation for actual construction pro ject highlights the interactive collaborative research work between academi a and industry.