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Modeling a Coal Car Cooperative Transportation Network: Phase 2 Project # UA10-AECC

Modeling a Coal Car Cooperative Transportation Network: Phase 2 Project # UA10-AECC. Project Team Principal Investigator Sarah Root, Ph.D. Co-Principal Investigator Chase Rainwater, Ph.D. Graduate Assistant Hector Vergara. Project Motivation

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Modeling a Coal Car Cooperative Transportation Network: Phase 2 Project # UA10-AECC

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  1. Modeling a Coal Car Cooperative Transportation Network: Phase 2 Project # UA10-AECC Project Team Principal Investigator Sarah Root, Ph.D. Co-Principal Investigator Chase Rainwater, Ph.D. Graduate Assistant Hector Vergara Project Motivation • Arkansas Electric Cooperative Corporation (AECC) • 3 coal-fired power stations consume approx. 14.5M tons of low-sulfur Powder River Basin (PRB) coal per year • Coal transportation network • Unit trains shipped from PRB, WY • Transportation represents 2/3 of coal cost • Problems in current coal transportation network • Unit train lengths limited by capacity of eastern railroads and physical limitations at power plants • Operational disruptions reduce coal throughput Result from Phase 1 • CCC Decision Support Tool • Volume feasibility and cost feasibility • Different participants • Role of participants • Class I Railroad participation Project Objectives • Refine decision support tool to evaluate the potential cost savings of the CCC • Propose implementation plan for the installation of a CCC in stages • (e.g. initial installation and further expansions based on participants needs) • A tactical plan for the formation and scheduling of CCC trains to be shipped to participant plants Project Activities • Data collection and analysis • Simulation model of train flow and car build-up • Scenario construction • Statistical analysis of simulation results • Mathematical modeling of operational problems • Sensitivity analysis • Documentation Research Methodology Model of Coal Car Build-up • Simulation modeling • Primary performance measures • Coal inventory at CCC • Cycle time • Scenarios for evaluation • Class I Railroad participation • Coal volume • Related analyses • Implementation plan for CCC • Infrastructure and operational costs CCC Operation Modeling • Mathematical model(s) of CCC operations • Locomotive and car scheduling • Empty balancing • Sensitivity with respect to • Coal volume (i.e. formation of outgoing trains) • Resource capacity

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