Water Bottling Line Downtime Coding
Does time not assigned to stops equal accepted production time?
"These are invented teaching inputs, not equipment ratings, market prices or an accepted tolerance. The two scenarios change one assumption while holding the other inputs constant. Use the comparison to identify what must be measured or agreed for your project."
Two planning scenarios
Record item,Unit,Scenario A,Scenario B,How to establish this input
Measurement window,min,480,480,"Define the event that starts and finishes this interval and keep its unit explicit. Mark planned time separately from observed elapsed time. Include adjustment, replenishment or release only where the agreed boundary requires it."
Exclusive stop category 1,min,40,140,"Define the event that starts and finishes this interval and keep its unit explicit. Mark planned time separately from observed elapsed time. Include adjustment, replenishment or release only where the agreed boundary requires it."
Exclusive stop category 2,min,25,25,"Define the event that starts and finishes this interval and keep its unit explicit. Mark planned time separately from observed elapsed time. Include adjustment, replenishment or release only where the agreed boundary requires it."
Exclusive stop category 3,min,15,15,"Define the event that starts and finishes this interval and keep its unit explicit. Mark planned time separately from observed elapsed time. Include adjustment, replenishment or release only where the agreed boundary requires it."
Calculated comparison
Record item,Unit,Scenario A,Scenario B
Time,min,80,180
Unclassified remaining time,min,400,300
Deviation,%,16.666666666666664,37.5
What the comparison means,"The measurement window is fixed while one recorded stop category grows. The unclassified remainder falls, but that remainder still may include slow running, rejects or missing codes. It must not be renamed good-production time without further evidence. Overlapping stop categories must be reconciled before this balance is used."
Evidence to request,"Retain a mutually exclusive event log, common start and finish, category definitions and accepted-output records. Assign an owner to uncoded time rather than adjusting categories to fit a target."
Input assumptions,"Identify the bottle, pack or material configuration, operating mode and measurement boundary. State the start and finish of the observation and which accepted output the comparison represents; unlike boundaries cannot establish a performance improvement."
How to establish this input,"Mark every input as measured, taken from a drawing, quoted or assumed. Retain the source document identifier, revision, date and responsible person. The same numeral with a different unit or data status is not automatically a comparable input."
Project decision record,Ask the responsible supplier and buyer to agree actual acceptance criteria and the evidence that will demonstrate them. Teaching values and calculated outputs on this page do not become approved operating settings or contractual performance guarantees.
Evidence to request,"Record the decision affected by the result, the measurement or trial still needed, its owner and the next review. Keep unresolved items visible in the handover file instead of changing the figures to make a preferred equipment option appear acceptable."
Two planning scenarios,"These are invented teaching inputs, not equipment ratings, market prices or an accepted tolerance. The two scenarios change one assumption while holding the other inputs constant. Use the comparison to identify what must be measured or agreed for your project."