Bring the Plant and Supply Chain into PI Planning

type: proposal
for-domain: Charger ART
derived-from: Long-Lead Work Needs a Longer Horizon Than the PI
status: consented
created_at: 2026-10-05

Proposal

Two changes to how the Charger ART plans, from PI 27.1 on:

Long-lead work is planned one PI ahead. At PI planning n, HW Base names every mold and long-lead part the features of PI n+1 will need; Supply Chain attends PI planning, takes the list, and the tooling dates go on the dependency board like any other dependency. Design freeze for a mold stays at the DFM Review, not at planning.
The plant joins the release. The Manufacturing Lead becomes a participant of PI planning and the System Demo, not a guest; fixture work starts when a feature is demoed, not when the release package arrives; and a ramp-readiness check at every System Demo lifts the plant’s status back into the train.

Neither Supply Chain nor Manufacturing joins the ART as a team. They join its planning.

Objections

Wen Zhao: committing to tooling one PI ahead means ordering molds for designs that may still change — addressed by committing the item and its date at planning and the geometry at the DFM review, where it is frozen today anyway.
Greta Vossberg: two more parties make PI planning longer — accepted; the long-lead board is prepared before the event, not built in it.
Marit Solberg asked whether this is the moment to give production its own FL2 or to merge it into the train’s board — deferred: run two PIs with the lighter change first.

Outcome

Consented at the Portfolio Sync on 2026-10-06. Recorded as Production Joins the Train’s Planning; operationalized by Long-Lead Commitment at PI Planning and Ramp Readiness Review, both in force from the PI 27.1 planning on 2026-12-03.

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Bring the Plant and Supply Chain into PI Planning.md

---
type: proposal
for-domain: "[[Charger ART]]"
derived-from: "[[Long-Lead Work Needs a Longer Horizon Than the PI]]"
status: consented
created_at: 2026-10-05
---

## Proposal

Two changes to how the [[Charger ART]] plans, from PI 27.1 on:

1. **Long-lead work is planned one PI ahead.** At PI planning *n*, [[HW Base]] names every
   mold and long-lead part the features of PI *n+1* will need; [[Supply Chain]] attends PI
   planning, takes the list, and the tooling dates go on the dependency board like any other
   dependency. Design freeze for a mold stays at the [[DFM Review]], not at planning.
2. **The plant joins the release.** The [[Manufacturing Lead]] becomes a participant of PI
   planning and the [[System Demo]], not a guest; fixture work starts when a feature is
   demoed, not when the release package arrives; and a ramp-readiness check at every
   System Demo lifts the plant's status back into the train.

Neither Supply Chain nor Manufacturing joins the ART as a team. They join its planning.

## Objections

- [[Wen Zhao]]: committing to tooling one PI ahead means ordering molds for designs that
  may still change — addressed by committing the *item and its date* at planning and the
  *geometry* at the DFM review, where it is frozen today anyway.
- [[Greta Vossberg]]: two more parties make PI planning longer — accepted; the long-lead
  board is prepared before the event, not built in it.
- [[Marit Solberg]] asked whether this is the moment to give production its own FL2 or to
  merge it into the train's board — deferred: run two PIs with the lighter change first.

## Outcome

Consented at the [[Portfolio Sync]] on 2026-10-06. Recorded as
[[Production Joins the Train's Planning]]; operationalized by
[[Long-Lead Commitment at PI Planning]] and [[Ramp Readiness Review]], both in force from
the PI 27.1 planning on 2026-12-03.