Automating establishment, monitoring and control of Warehouse time standards

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Critical role of time standards in Warehouse operations

A warehouse manager can use time standards in a variety of applications and in virtually any type of working environment. Some of these applications are explained below:

  • Estimating Labor requirements
  • Scheduling jobs and workflows
  • Providing measures of productivity
  • Evaluating alternating options
  • Improving warehouse operations
  • Providing real time values for simulation analysis
  • Benchmarking against Industry standards

Time Standard Techniques

There are generally four widely used techniques for developing time standards, but I have used the following two in my Algorithm setup:

Time Study: Most widely used. Times are determined from actual stopwatch timing of an operation. A stopwatch time standard is established by breaking down the operations into small elements that can be readily timed.

Predetermined time standards: It is a collection of ready made time values for basic motion elements. This includes predetermined motion time systems (PMTS), which were originally developed by experienced analysts who agreed on certain basic factors, concepts and constraints underlying their systems. Some examples are:

  • Methods time measurement (MTM)
  • Work factor system (WFS)
  • Dimensional motion times (DMT)

Developing initial time standards is a manual process, if done via Time study. For our architecture, we will assume that we already have determined what the

Our example process – Putaway

Explaining the architecture for end to end Warehouse operations is much much beyond the scope of this article so we will use just one process as an example. The process that we will be using for our example is  the putaway process. Here are the key elements of a pallet putaway process:

  1. Mount/dismount reach truck
  2. Travel from battery charging to palletizing station (empty)
  3. Obtain pallet at palletizing station
  4. Read putaway directions on RF terminal
  5. Travel to location from palletizing station (loaded)
  6. Vertical travel at putaway location (loaded)
  7. Insert pallet in rack
  8. Lower folrks at putaway location (empty)
  9. Travel to palletizing station (empty)
  10. Travel to battery charging from putaway (after all putaways)

High Level three phase flow architecture of the algorithm


Implementation and execution are the key

As with any solution, there are no cookie cutter solutions. This architecture is suggestive and needs to be customized around your unique operations. Careful implementation is critical, which means looking beyond any pilots- and even understanding if this is something that will be beneficial at all in your warehouse operations environment.

Views my own.

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