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Work · Guided lesson

Calculate due and overdue status from actual completion

About 10 minutes · 3 reading + 7 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
See this course’s project requirements

A fictional facility asset register with meter/date-based due tasks, authorized work-order priorities, downtime windows, completion evidence and a monthly backlog review.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Save a three-asset planning register; include the original-case decision evidence and a separate changed-case result.
  • Save due register with actual completion source field; include the original-case decision evidence and a separate changed-case result.
  • Save priority cards with reason and qualified next owner; include the original-case decision evidence and a separate changed-case result.
  • Save the 3-hour feasible proposal and pending P1 gate; include the original-case decision evidence and a separate changed-case result.
  • Save preventive and corrective views with shared asset link; include the original-case decision evidence and a separate changed-case result.
  • Assemble asset/due/priority/capacity/completion/review packet; include the original-case decision evidence and a separate changed-case result.

Review and revise

Use these criteria to check your work and choose what to improve.

  • The final packet uses the supplied task-specific constraints and all six records agree.
  • Every result can be traced to an identifier, input, calculation or stated decision rule.
  • Changed-case practice updates dependent records and keeps holds or uncertainty visible.
  • The packet states the learner role, authority boundary and specific next verification needed before real work.
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Before you begin

The idea in everyday life

Original fictional workplace practice; paper or a local document is sufficient. The rules and records below are supplied for this exercise, not asserted universal workplace policy. Beech current Day38:V1 interval 30, last Day10→due 40; P1 interval 20, last Day15→due 35; D1 interval 15, last Day20→due 35. Supplied convention:overdue only if current day>due; days overdue=current−due.

The idea

Next due equals last verified completion plus interval under this exercise; planned or missed work does not reset the clock.

Follow along

Calculate due and overdue status from actual completion — worked practice

Next due equals last verified completion plus interval under this exercise; planned or missed work does not reset the clock.

Beech current Day38:V1 interval 30, last Day10→due 40; P1 interval 20, last Day15→due 35; D1 interval 15, last Day20→due 35. Supplied convention:overdue only if current day>due; days overdue=current−due. Use paper or a local document. Preserve the original case and make a separate changed-case record.

  1. 1. Step 1

    Calculate all next due days.

    You should see: V1 due 40; P1 due 35; D1 due 35.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

  2. 2. Step 2

    Compare current Day38 to each due.

    You should see: V1 not due yet; P1/D1 overdue.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

  3. 3. Step 3

    Calculate overdue days for the overdue assets.

    You should see: P1 and D1 three days overdue.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

  4. 4. Step 4

    Save due register with actual completion source field.

    You should see: Two overdue assets, one future; planned appointments do not replace actual completion dates.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

Now change one thing

Current day advances to Day40 without new completions. How many days overdue is P1?

Your work

What to finish

Save due register with actual completion source field; include the original-case decision evidence and a separate changed-case result.

Common mistake

Watch for this

Resetting preventive cycles from planned work instead of actual verified completion.

How can I tell I understand it?

Using the supplied identifiers, I can save due register with actual completion source field. My changed-case record names the revised condition and explains which dependent decision it changes.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1Beech P1 last Day15 plus 20-day interval is due when?
2At Day38, Beech D1 due 35 is how many days overdue?
3Does a planned Beech P1 appointment Day39 reset its last completion?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
2
Finish this lesson

Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

Go to the knowledge check
Tools, templates, and lesson sources

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Sources and further reading

Explore the references behind this lesson.

11-3013.00 - Facilities Managers
Source & access notes · checked 2026-10-01

Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

43-5061.00 - Production, Planning, and Expediting Clerks
Source & access notes · checked 2026-10-01

Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

Operations and Maintenance Challenges and Solutions | Department of Energy
Source & access notes · checked 2026-10-01

Public agency or educational context; no source exercises are copied and no simulated threshold is presented as an official rule. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

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