October 20, 2025

The Capacity Ledger

Plan what fits. Freeze what matters.

The fracture you can’t see

The plan says green. The calendar says crowded.
Interrupts arrive through every side door: customer pings, exec drive-bys, dependency surprises.

Ad-hoc feels harmless in the moment. It compounds across a week.
Context switching taxes every estimate until timelines wobble.
Nobody is slacking. The system is uncounted.

Quinn’s move: surface reality before enforcing rules. Count what actually happens. Then change how work enters and moves.

The receipts before the rules

Quinn starts with evidence. One week. No judgment.

  • Capacity receipts: each person marks hours as Planned, Interrupt, Ad-hoc.

  • Calendar trace: recurring meetings and status time tagged as Operating Cost.

  • Entry path scan: list how new work shows up and who can say yes.

  • Change log: every mid-week change gets a one-line receipt with who/why/when.

Patterns appear fast: the interrupt band is bigger than the plan. Ad-hoc slips through because it is “small.” Status time blooms when the plan drifts.

The Capacity Ledger (how it works)

A single, living page per team. Updated weekly. Visible to all.

  • Baseline load: 60–70% reserved for planned work. Name the hours. Do not exceed.

  • Interrupt tax: fixed weekly band for interrupts. If it fills, trade-offs happen.

  • Ad-hoc cap: a small, explicit ceiling. Overages roll forward, not sideways.

  • Freeze windows: once the week starts, changes travel one path with one owner and a response timer.

  • Commit rules: each planned item has entry criteria, estimate range, owner, and acceptance proof.

  • Decision log: changes recorded with receipts, timestamps, and the decision owner.

The ledger is not a dashboard. It is an operating contract grounded in receipts.

The weekly cadence

Monday set: Fill the baseline with planned work only. Publish interrupt/ad-hoc caps.
Midweek control: All new work follows the single path. Exceptions are documented.
Friday review: Compare plan vs receipts. Tune the bands. Log deltas and decisions.

What leaders manage (not micromanage)

  • Trade-offs in daylight: When the interrupt band is full, something gives. Decide once, visibly.

  • Owner and path: One path in, one owner, one timer. No parallel overrides.

  • Focus protection: Freeze windows keep hands steady. Exceptions are rare and recorded.

  • Signal integrity: Stop reading velocity alone. Track plan reliability and overage patterns.

Evidence you can track (starter set)

  • Plan reliability: planned items delivered / planned items committed.

  • Interrupt share: interrupt hours / total hours.

  • Ad-hoc overage: hours beyond the cap; show the delta.

  • Throughput per planned hour: delivered units / planned hours.

  • Receipts rate: % of individuals with complete receipts by week’s end.

  • Decision time: median time from new ask → accept/deflect decision.

Implementation notes (what actually helps)

  • Start small: one team, two weeks, ruthless clarity.

  • Name the bands: numbers beat vibes. Tune after two cycles.

  • Publish the rules: write the entry criteria and freeze windows in plain language.

  • Train the path owner: authority to say “not this week” with alternatives.

  • Review with receipts: show before/after charts in the same view as decisions.

What changes when it works

  • Plans fit inside the week.

  • Ad-hoc stops hijacking focus.

  • Interrupts are priced, not ignored.

  • Status meetings shrink; decision logs grow.

  • Predictability climbs; blame loops fade.

Cheat sheet (print and tape up)

Baseline load. Interrupt tax. Ad-hoc cap. Freeze windows.
One path. One owner. One timer. Decision logged with receipts.

Quinn’s note to operators: Treat capacity like cash. Budget it. Track it. Defend it.

Next episode (28): The Proofline Dashboard
A compact, receipts-first view of Receipts Rate, Lane Integrity, and Decision Velocity, refreshed monthly so leaders steer with evidence, not noise.

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