Electronics Repair, Refurbishment & Depot Operations worked example

Board Rework Time at 12% setup, inspection, and retest allowance: a worked example

Push setup, inspection, and retest allowance up to 12% and the picture changes. This example computes every intermediate figure at that operating point. Use it when board rework time in electronics repair, refurbishment and depot operations is being added to next week's schedule and you need an honest hours estimate.

The inputs for this scenario

  • Boards requiring rework: 120 boards (unchanged)
  • Board rework pace: 12 boards / hr (unchanged)
  • Setup, inspection, and retest allowance: 12 % (raised for this scenario; the documented default is 10)

Working through the calculation

  • Applying the documented formula (Base board rework hours = boards requiring rework รท board rework pace) to the inputs above produces each figure below.
  • At this operating point the engine returns 11.2 hr for required board rework hours, the number this scenario is built around.
  • At this operating point the engine returns 10 hr for base board rework hours.
  • At this operating point the engine returns 12 % for setup, inspection, and retest allowance.
  • At this operating point the engine returns 12 pieces / min for board rework pace.

How this compares with the baseline

  • Against the tool's baseline example, where setup, inspection, and retest allowance sits at 10% and the headline result is 11 hr, this scenario comes in 1.82% above the baseline at 11.2 hr.
  • It computes the total rework hours for a board batch by dividing quantity by pace and scaling up for setup, inspection, and retest overhead. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.

Results at a glance

  • Required board rework hours: 11.2 hr (headline result)
  • Base board rework hours: 10 hr
  • Setup, inspection, and retest allowance: 12 %
  • Board rework pace: 12 pieces / min

Run it with your numbers

  • Every input above is editable in the live Board Rework Time calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.