Bowling Alley input evidence register
45 numeric input paths with their assumptions, calculation bases and cited sources.
Case updated September 21, 2026. This technical appendix accompanies the complete case methodology and source register.
Dataset use notice: no Creative Commons license or DOI is asserted. Referenced material remains subject to its publisher’s terms.
A linked reference can support scope without confirming an exact forecast. Assumption entries identify values that still require local validation. Each field path identifies an input in the common business record.
- Model assumption
Authored existing-center opening allocation. The sources establish categories and operating constraints but do not verify building, machinery, concession, professional, insurance or reserve values.
capital.total · capital.low · capital.high · capital.items.0.amount · capital.items.1.amount · capital.items.2.amount · capital.items.3.amount · capital.items.4.amount · capital.items.5.amount · capital.items.6.amount · capital.items.7.amount
- Model assumption
Authored sold-lane-hour path. Year three rounds 62 lane-hours × 7 days × 52 weeks × $90 to $2.03 million. Operator pages provide examples, not local utilization, revenue mix or collection.
forecast.years.0.revenue · forecast.years.1.revenue · forecast.years.2.revenue · forecast.years.3.revenue · forecast.years.4.revenue
- Model assumption
Authored 30% pool for concession inventory, payment fees, shoe supplies, refunds and lane-use cost. Replace it with product, booking, event and vendor records.
forecast.years.0.costOfSales · forecast.years.1.costOfSales · forecast.years.2.costOfSales · forecast.years.3.costOfSales · forecast.years.4.costOfSales
- Model assumption
Authored owner-management, desk, lane, event, concession and maintenance schedule with employer-cost allowance. National wage and federal tax sources are context only.
forecast.years.0.payroll · forecast.years.1.payroll · forecast.years.2.payroll · forecast.years.3.payroll · forecast.years.4.payroll
- Model assumption
Authored rent, utilities, insurance, marketing, software, service and repair schedule. It is not a property, utility, vendor or cash quote.
forecast.years.0.occupancyAndOther · forecast.years.1.occupancyAndOther · forecast.years.2.occupancyAndOther · forecast.years.3.occupancyAndOther · forecast.years.4.occupancyAndOther
- Model assumption
Authored lane-hour break-even bridge. The $90 retained value, 62-hour day, 70% contribution and fixed cost must reconcile to separate streams, the lane calendar, downtime, discounts and collection.
unitEconomics.driver.model · unitEconomics.driver.low · unitEconomics.driver.high · unitEconomics.volume.model · unitEconomics.volume.low · unitEconomics.volume.high · unitEconomics.daysPerWeek.model · unitEconomics.daysPerWeek.low · unitEconomics.daysPerWeek.high · unitEconomics.fixedCostsMonthly · unitEconomics.contributionMargin · unitEconomics.ramp.startShare · unitEconomics.ramp.stepPerMonth · unitEconomics.ramp.horizonMonths