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An analysis of dual-command operations in common warehouse designs


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  • Pohl, Letitia M.
  • Meller, Russell D.
  • Gue, Kevin R.
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    In a warehouse that uses dual-command operations, workers travel loaded from the pickup and deposit (P&D) point first to a location to store a pallet, then to a second location from which they pick a pallet and return to the P&D point. We develop expected travel distance expressions for such operations and use them to analyze three common warehouse designs. Our results indicate that the best of the three is - in our experience - the one least commonly found in practice. We also show that the optimal placement of a "middle cross aisle" in the most common design is, in fact, not in the middle.

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    Bibliographic Info

    Article provided by Elsevier in its journal Transportation Research Part E: Logistics and Transportation Review.

    Volume (Year): 45 (2009)
    Issue (Month): 3 (May)
    Pages: 367-379

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    Handle: RePEc:eee:transe:v:45:y:2009:i:3:p:367-379

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    Keywords: Warehouse design Aisle design Task interleaving (dual-command) Expected value analysis;


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    Cited by:
    1. Gue, Kevin R. & Ivanović, Goran & Meller, Russell D., 2012. "A unit-load warehouse with multiple pickup and deposit points and non-traditional aisles," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 48(4), pages 795-806.
    2. Öztürkoğlu, Ö. & Gue, K.R. & Meller, R.D., 2014. "A constructive aisle design model for unit-load warehouses with multiple pickup and deposit points," European Journal of Operational Research, Elsevier, vol. 236(1), pages 382-394.


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