Process Skids, Modular Equipment & Packaged Plants worked example

Instrument Loop Labor at 92% billable loop completion factor: a worked example

This scenario runs the instrument loop labor calculation on the strong side: 92% billable loop completion factor, with every other input held at its documented default. Use it when instrument loop labor in process skids, modular equipment and packaged plants is being put through a process skids, modular equipment and packaged plants weighted-cost review.

The inputs for this scenario

  • Instrument loops checked out: 100 units (unchanged)
  • Labor cost per loop check: 45 $ / unit (unchanged)
  • Billable loop completion factor: 92 % (raised for this scenario; the documented default is 80)
  • Fixed calibration and mobilization cost: 250 $ (unchanged)

Working through the calculation

  • Applying the documented formula (Instrument Loop Labor cost = quantity × rate × capture factor + fixed cost) to the inputs above produces each figure below.
  • At this operating point the engine returns 4,390 $ for weighted cost, the number this scenario is built around.
  • At this operating point the engine returns 43.9 $ / piece for per piece value.
  • At this operating point the engine returns 4,140 $ for captured value.
  • At this operating point the engine returns 250 $ for fixed adjustment.

How this compares with the baseline

  • Against the tool's baseline example, where billable loop completion factor sits at 80% and the headline result is 3,850 $, this scenario comes in 14.03% above the baseline at 4,390 $.
  • Use it when quoting instrument commissioning on a skid or packaged plant, or when comparing loop-check labor cost across jobs. 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

  • Weighted cost: 4,390 $ (headline result)
  • Per piece value: 43.9 $ / piece
  • Captured value: 4,140 $
  • Fixed adjustment: 250 $

Run it with your numbers

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

Last reviewed 2026-05-12.