A 2,000-employee operation had been treating its schedule as a fixed cost of running at scale. It wasn’t.
DistributionThe center ran around the clock — roughly 2,000 employees across Replenishment, Processing, Maintenance, and support functions, on a mix of 8- and 12-hour shifts. It had grown the way most large operations do: one scheduling decision layered on top of the last, year after year, until no single manager had designed the whole thing or fully understood it. Leadership came to us with what looked like three separate problems — overtime running above benchmark, supervisors consumed by the complexity of shift handoffs, and stubborn turnover in the departments that carried weekend coverage. The schedule was the common thread in all three. No one had yet looked at it as a single system.
Our business assessment mapped the schedule as it actually ran — every overlap, every start time, department by department, not as it was assumed to run. Two costs came out of it.
The first was overlap. Across five departments, shifts were starting and stopping in ways that put people on the clock at the same time doing handoff work that produced no additional output. Measured against the real schedule, the overlap alone was costing $3.4 to $4.2 million a year — around $3.8 million at the midpoint.
The second was harder to see, because it wasn’t a line item anywhere. Departments were operating with two to five different start times at once, and the coordination friction that creates quietly drains productive time from every affected employee, every day. Across roughly 1,250 employees, it added up to about $1.6 million a year in payroll that generated nothing.
Two further costs we identified but didn’t try to price: turnover concentrated in departments whose people rotated through unpredictable weekend days, and the supervisor time spent managing schedule complexity instead of managing the work.
The schedule had been treated as a fixed cost of operating at this scale. When we mapped it precisely, the overlaps alone were costing nearly $4 million a year — and that was before we counted what the start-time complexity was taking out of productive capacity.
— Ethan Franklin, Senior Consultant, Shiftwork Solutions LLC
The work followed the four-phase methodology we use on every engagement — business assessment, workforce assessment, solution design, and implementation. The workforce assessment mattered here as much as the numbers: employees told us weekend scheduling was the sorest point, and the coverage model we eventually built was tested in those conversations before anything was designed. The redesign then attacked both quantified costs directly. Overlap was consolidated across the five departments — reduced to the minimum genuinely useful for clean handoffs, and made deliberate rather than accidental. Start times were standardized to one per shift in each department, which also handed supervisors a consistent reference point and cut the administrative friction that had been driving turnover. And weekend coverage was rebuilt around a dedicated weekend crew — a structure employees grasped immediately as a better deal than five days with an unpredictable weekend day, and one that changed Maintenance’s recruiting conversation overnight.
Both root causes were addressed in a single redesign, recovering more than $5 million in annual labor cost — without reducing headcount or operating hours. The overlap was materially reduced; the source of the complexity cost was eliminated. The qualitative results reinforced the numbers rather than trading against them: candidates who had previously turned down positions over weekend unpredictability were now open to them, and supervisors across the standardized departments got back hours they had been losing to handoff coordination — time that went back into running the operation.
| Cost Category | Annual Cost (Before) | Outcome |
|---|---|---|
| Shift overlaps (five affected areas) | $3.4M – $4.2M | Overlaps reduced and remaining overlap made deliberate; cost materially reduced |
| Productivity loss from non-standard start times | $1.6M | Standardized start times eliminate the source; productive time recovered |
| Total identified annual opportunity | $5.0M – $5.8M | Both root causes addressed in redesign |
| Weekend schedule structure (Maintenance & applicable depts) | Rotating weekend days under a five-day structure | Redesigned around a dedicated weekend crew employees preferred; retention and recruiting improved |
| M–F departments | 2–5 start times per department | Consolidated to a single standard start time per shift |
Overlap costs and start-time complexity are not fixed features of operating at scale. They are the accumulated result of scheduling decisions made one at a time, each sensible on its own day, never examined together as a system. That’s why the cost survives: it gets normalized into the budget, and no one ever adds it up. When someone finally does, the number is almost always larger than leadership expects — and a good deal of it is recoverable, because it was never buying productivity in the first place.
If your schedule has grown by accretion — supervisors losing real time each week to handoffs, overtime running above benchmark, weekend-coverage turnover a standing item on the staffing agenda — the cost is most likely sitting in the schedule. The one thing you can’t do from the outside is know how large it is. Quantifying it precisely is where we start.
