Book contents · 9 chapters
Chapter 7 · The new roles

Operations

From schedule chaos to stable production rhythms and dollarized changeover decisions.

Before

Daily schedule reshuffles. Expedited changeovers absorbing throughput. Variance defended at month-end.

After

Stable schedules from the joint solve. Dollarized changeover decisions before they happen.

Operations today is downstream of demand and supply planning. The plant schedule fragments under daily disruption — sales pull-ins, supplier slips, customer cancellations, expedites. Changeover decisions get made on the floor by shift supervisors with incomplete visibility into the cross-stage cost of each changeover. End-of-month reconciliation surfaces the cost as variance. Plant leadership defends throughput numbers that were never the right target.

The new reality starts with the joint solve producing the plant schedule against realistic capacity distributions (capacity is itself a learned shape, not a published scalar). Changeover decisions become dollarized — every changeover has a named cost attached to the specific Order Lines that triggered it, computed via the pegging cascade. The plant manager sees the changeover trade-off before it happens, not in the close.

Operations stops being the recipient of an infeasible plan that gets repaired daily. The plant becomes a co-author of the Supply sub-policy — the production scheduling rules, the changeover acceptability thresholds, the line-priority hierarchy under capacity constraints, the maintenance window discipline. Plan-stability score (the dollarized cost of schedule churn) becomes a primary plant-level KPI alongside throughput and utilization. The plant manager defends a stable schedule with low churn as much as a high-throughput schedule. The COO's operating-stability dashboard (7.1) reflects plant performance on this axis directly — Operations' work becomes visible above the plant fence in the same numbers the COO defends upward.

VYAN's answer

The plant stops being the recipient of an infeasible plan. The plant becomes a co-author of the policy that governs it.

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