Mining Vehicle & Underground Equipment worked example

Maintenance Interval at 12% setup, handling, and delay allowance: a worked example in mining vehicle & underground equipment

This scenario runs the maintenance interval calculation on the strong side: 12% setup, handling, and delay allowance, with every other input held at its documented default. Use it when maintenance interval in mining vehicle and underground equipment needs a defensible run time before a quote goes out.

The inputs for this scenario

  • Maintenance interval workload: 120 units (unchanged)
  • Maintenance interval completion rate: 12 units / min (unchanged)
  • Setup, handling, and delay allowance: 12 % (raised for this scenario; the documented default is 10)

Working through the calculation

  • Applying the documented formula (Base maintenance interval time = maintenance interval workload รท maintenance interval completion rate) to the inputs above produces each figure below.
  • At this operating point the engine returns 11.2 hr for required maintenance interval time, the number this scenario is built around.
  • At this operating point the engine returns 10 hr for base maintenance interval time.
  • At this operating point the engine returns 12 % for maintenance interval allowance applied.
  • At this operating point the engine returns 12 pieces / min for maintenance interval completion rate.

How this compares with the baseline

  • Against the tool's baseline example, where setup, handling, and delay allowance sits at 10% and the headline result is 11 hr, this scenario comes in 1.82% above the baseline at 11.2 hr.
  • Use it when scheduling planned maintenance or service windows for mining equipment and you need a realistic, not idealized, duration. Treat this as a target state: the delta against the baseline quantifies what the improvement is worth before you commit to chasing it.

Results at a glance

  • Required maintenance interval time: 11.2 hr (headline result)
  • Base maintenance interval time: 10 hr
  • Maintenance interval allowance applied: 12 %
  • Maintenance interval completion rate: 12 pieces / min

Run it with your numbers

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

Last reviewed 2026-05-12.