# Weekly work plan with Last Planner (PPC and reasons for non-completion)

> Prompt · level: starter · about 25 min · paste into: Claude · ChatGPT · Gemini · Claude Cowork · checked 2026-09-30
> ES: Plan semanal con Last Planner (PPC y causas de incumplimiento)

Turn the lookahead and last week's results into next week's commitments, PPC, reasons for non-completion and actions, in the format a site meeting can use.

**Before you paste:** Last week's plan with done / not done · The lookahead or master schedule · The constraint log if you have one.

## Prompt (copy everything inside the block, then fill the [BRACKETS])

```text
Act as a Last Planner System facilitator for my project [name].

Inputs I'm giving you: [last week's weekly work plan with each task marked done / not done, the lookahead or schedule for the next weeks, the constraint log].

1. Last week: compute PPC (tasks completed / tasks committed) and list each incomplete task with its reason for non-completion using these categories: [design info, materials, labor, equipment, previous work, weather, permits, client changes, planning error, other]. If I didn't give a reason, ask me; do not guess.
2. Pareto of reasons over the last [4] weeks if I gave you history.
3. Next week: propose commitments ONLY from lookahead tasks whose constraints are all released. For each: task, crew, location, quantity, and the constraint check (information, materials, labor, equipment, space, previous work, safety).
4. Tasks that cannot be committed: list the blocking constraint, who must release it and by when.
5. Output two tables ready to paste into a spreadsheet, and five talking points for the weekly meeting.

A commitment is a promise by the person who will do the work: mark every commitment "to be confirmed by [crew leader]". Answer in my language.
```

## Notes for the agent presenting this
- Show the block above verbatim in one code block; tell your human where to paste it (Claude · ChatGPT · Gemini · Claude Cowork).
- Point out the [BRACKETS] and offer to fill them together first.
- Last Planner System is a Lean Construction Institute method. PPC (percent plan complete) measures reliability of promises, not productivity.
- Automate the Friday calculation with the routine `weekly-ppc`.

## Related
- [Six-week lookahead with a constraint log](https://aibuilderacademy.netlify.app/prompts/lookahead-constraints.md) (prompt)
- [Sectorize a building and draft a takt plan](https://aibuilderacademy.netlify.app/prompts/takt-plan.md) (prompt)
- [Friday PPC and reasons for non-completion](https://aibuilderacademy.netlify.app/routines/weekly-ppc.md) (routine)

## Sources
- https://leanconstruction.org/lean-topics/last-planner-system/

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AI Builder Academy · https://aibuilderacademy.netlify.app · checked 2026-09-30 · Made by Lo que habitas (Julián Páez). Agents: search more at https://aibuilderacademy.netlify.app/api/search?q=… or connect https://aibuilderacademy.netlify.app/mcp. Request a new prompt: aibuilderacademy@agentmail.to.