Meat, Poultry & Seafood Processing worked example

Chill Tunnel Capacity at 99% expected equipment uptime: a worked example

What does the result look like when expected equipment uptime reaches 99%? The full calculation is worked below with real intermediate numbers. Use it when planning chilling capacity for a new product, confirming the tunnel can handle peak production volumes, or justifying a capital request for additional chilling equipment.

The inputs for this scenario

  • Product weight per rack load: 1,000 lb / cycle (unchanged)
  • Chill cycle time including load/unload: 90 min (unchanged)
  • Available shift hours for chilling: 8 hr (unchanged)
  • Expected equipment uptime: 99 % (raised for this scenario; the documented default is 90)

Working through the calculation

  • Applying the documented formula (Cycles per shift = (available shift hours x 60) / chill cycle time) to the inputs above produces each figure below.
  • At this operating point the engine returns 7,128 lb for net chill capacity per shift, the number this scenario is built around.
  • At this operating point the engine returns 90,000 lb for gross chill capacity per shift.
  • At this operating point the engine returns 82,800 lb for downtime capacity loss.
  • At this operating point the engine returns 72 lb for n/a.

How this compares with the baseline

  • Against the tool's baseline example, where expected equipment uptime sits at 90% and the headline result is 6,480 lb, this scenario comes in 10% above the baseline at 7,128 lb.
  • A figure at this level is achievable when expected equipment uptime is genuinely sustained, not just peaked for a shift. It assumes every cycle is filled to the rack load weight and that cycle time already covers load and unload; in practice partial loads and product changeovers will pull real throughput below the net figure.

Results at a glance

  • Net chill capacity per shift: 7,128 lb (headline result)
  • Gross chill capacity per shift: 90,000 lb
  • Downtime capacity loss: 82,800 lb
  • N/A: 72 lb

Run it with your numbers

  • Every input above is editable in the live Chill Tunnel Capacity calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.