# Sectorize a building and draft a takt plan

> Prompt · level: intermediate · about 45 min · paste into: Claude · ChatGPT · Gemini · Claude Cowork · Claude Code (for a spreadsheet or chart) · checked 2026-09-30
> ES: Sectoriza un edificio y arma un plan takt

Split the building into balanced zones, pick a takt time, sequence the trades as a train, and see the finish date before committing to it.

**Before you paste:** Floor areas or quantities per floor · Trades and their productivity (or crew sizes).

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

```text
Help me draft a takt plan for [building: e.g. "5-storey residential, 12 apartments per floor, finishing phase"].

Inputs: quantities per floor/zone [attach or type], trades in sequence [e.g. drywall, MEP rough-in, plaster, tiles, paint, carpentry], productivity or crew sizes per trade [give values or say "ask me"].

1. Sectorize: propose zones with a similar work content (not just similar area). Show the work content per trade per zone and the imbalance in %.
2. Pick a takt time (e.g. 3 or 5 days) and explain the trade-off. For each trade, compute the crew size needed to finish one zone within the takt.
3. Build the takt train: a matrix of zones (rows) x takt periods (columns) showing which trade is where. Add buffers where the risk is highest and say why.
4. Compute the total duration and compare it with [target date].
5. List what must be true for this plan to work (material flow, inspections, crew stability) and three early warning signs.

If a productivity value is missing, ask for it; do not assume. Output tables I can paste into a spreadsheet. 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 · Claude Code (for a spreadsheet or chart)).
- Point out the [BRACKETS] and offer to fill them together first.
- Takt planning makes flow visible: when one trade misses the takt, every trade behind it feels it. It pairs naturally with Last Planner's weekly commitments.

## Related
- [Weekly work plan with Last Planner (PPC and reasons for non-completion)](https://aibuilderacademy.netlify.app/prompts/last-planner-weekly.md) (prompt)
- [Six-week lookahead with a constraint log](https://aibuilderacademy.netlify.app/prompts/lookahead-constraints.md) (prompt)

## Sources
- https://leanconstruction.org/

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