A headline figure using crewDays — the sum of each crew's distinct days on site — as the denominator, so two crews out on the same Tuesday count as two days of crew cost.
Also called: what does a day cost me · labour cost per day · crew day
- 1Each crew's daysWorked is the count of distinct dates its people logged.
- 2crewDays totals those across crews.
- 3perCrewDay = total labour paid / crewDays.
Two crews out on the same Tuesday is two days of crew cost, not one, so dividing labour money by calendar days reads artificially low every week more than one crew is working. Cost per crew-day is the figure that means something: what a day of crew actually costs the business, comparable week to week whatever the headcount. Money over man-hours was the alternative, and it reads like an hourly wage the business does not pay.
- Averages distorted by the number of crews working simultaneously.
- Per-hour figures implying a wage the business does not pay.
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