District Energy & Thermal Network Equipment worked example

Rework Cost at 58% expected rework share: a worked example in district energy & thermal network equipment

Suppose expected rework share falls to 58%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate rework cost for district energy equipment fabrication or field installation issues such as weld repairs, insulation repairs, controls fixes, valve changes, or flushing repeats.

The inputs for this scenario

  • Rework items or affected packages: 100 items (held at the documented default)
  • Rework cost per item: 45 $ / item (held at the documented default)
  • Expected rework share: 58 % (the input this scenario stresses; the baseline uses 80)
  • Fixed retest or remobilization cost: 250 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Expected variable rework cost = rework items or affected packages × rework cost per item × expected rework share.
  • Total rework cost works out to 2,860 $ at these inputs, and this is the headline figure for the scenario.
  • Rework cost per affected item works out to 28.6 $ / piece at these inputs.
  • Expected variable rework cost works out to 2,610 $ at these inputs.
  • Fixed retest or remobilization cost works out to 250 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where expected rework share sits at 80% and the headline result is 3,850 $, this scenario comes in 25.71% below the baseline at 2,860 $.
  • It estimates total rework cost as expected variable rework (items x cost per item x rework rate) plus a fixed retest or remobilization cost. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Total rework cost: 2,860 $ (headline result)
  • Rework cost per affected item: 28.6 $ / piece
  • Expected variable rework cost: 2,610 $
  • Fixed retest or remobilization cost: 250 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Rework Cost calculator, set expected rework share to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.