Tunnel Boring & Heavy Civil Equipment calculator

Supplier Long-Lead Risk Calculator

Estimate supplier long-lead risk for tunnel boring and heavy civil equipment using production-ready inputs so teams can rank risks and decide which issue needs containment, controls, or escalation first. Score severity, occurrence, and detection to get a single weighted risk number for ranking.

What this calculator does

  • Estimate supplier long-lead risk for tunnel boring and heavy civil equipment using production-ready inputs so teams can rank risks and decide which issue needs containment, controls, or escalation first.
  • Use it when supplier long-lead risk in tunnel boring and heavy civil equipment needs a defensible ranking against other tunnel boring and heavy civil equipment risks for the next review.
  • Turns supplier long-lead risk severity score, supplier long-lead risk occurrence score, supplier long-lead risk detection score into a risk score for supplier long-lead risk in tunnel boring and heavy civil equipment.

Formula used

  • Supplier long-lead risk score = supplier long-lead risk severity score × supplier long-lead risk occurrence score × supplier long-lead risk detection score
  • Use the same scoring scale across comparable supplier long-lead risk risks.

Inputs explained

  • Supplier long-lead risk severity score: Score the impact using the same FMEA, quality, safety, delivery, or business-risk scale used by the team.
  • Supplier long-lead risk occurrence score: Score how often the issue appears using defect history, field data, maintenance records, or supplier performance.
  • Supplier long-lead risk detection score: Score how likely current controls are to catch the issue before shipment, use, or customer impact.

How to use the result

  • Use it when supplier long-lead risk in tunnel boring and heavy civil equipment is going through an FMEA or hazard review.
  • Scores are subjective. Use them to rank, not to claim absolute risk.

Common questions

  • What does the supplier long-lead risk calculator give me? Estimate supplier long-lead risk for tunnel boring and heavy civil equipment using production-ready inputs so teams can rank risks and decide which issue needs containment, controls, or escalation first. You get a risk score you can defend before quoting, scheduling, or sign-off.
  • Which assumptions drive the risk score? supplier long-lead risk severity score, supplier long-lead risk occurrence score, supplier long-lead risk detection score usually move the risk score most. Pull from measured tunnel boring and heavy civil equipment runs, supplier data, and recent quotes rather than memory.
  • What do I do with this number? Use the score to rank against other tunnel boring and heavy civil equipment risks. Treat it as a sort key, not an absolute number.
  • What should I double-check before acting? Validate scoring with a second person; scores are subjective and drift between reviewers.

Last reviewed 2026-05-12.