Prevent a moving test window
Record every interruption and the rule for restarting a test. Do not remove weak periods after seeing the results. Keep both the original and repeated runs.
Factory planning for water bottling projects
Practical plant planning
A useful factory acceptance test has a written acceptance basis before the demonstration starts. Organize each requirement into a repeatable test, identify the equipment and materials, retain the raw results, and decide how failed or deferred checks affect shipment.
Answer first
Include the signed scope and requirement IDs, machine and software identity, test materials, utility conditions, instruments, test steps, acceptance criteria, raw-data sheets, deviation rules and signatures. Separate what can be demonstrated at the supplier factory from checks that need the installed site.

01
Agree the protocol with the buyer, supplier and relevant technical reviewers. Identify unavailable assemblies or services early; otherwise a witness may arrive expecting an integrated line test while only one machine is ready.
| Precondition | Record before testing |
|---|---|
| Equipment identity | Machine list, serial numbers where assigned, control/software revisions and drawing revision |
| Test materials | Bottle and cap identities, label/film lots, agreed quantity, accepted substitutes and responsibility for supply |
| Utilities | Available electrical supply, air and water conditions; differences from the destination site |
| Measurement | Counters, instruments, calibration status, time source and data-sheet revision |
| Witnesses and authority | Who performs tests, witnesses results, accepts deviations and decides shipment readiness |
02
The example rows below show structure, not universal acceptance limits. Enter the actual agreed rate, duration, sample plan and defect criteria before execution. Safety functions must be tested by authorized people using the agreed safe procedure.
| Requirement ID | Example test | Evidence and decision |
|---|---|---|
| FAT-01: format compatibility | Run the identified bottle, cap and packaging materials through the included machines | Record settings, interventions, package observations and the formats actually tested |
| FAT-02: production rate | Measure good output across a continuous agreed interval | Start/end times, total count, rejects, stop log and good BPH at the agreed point |
| FAT-03: package checks | Perform the agreed fill, closure, label, code and finished-pack checks | Sample identities, methods, results, acceptance limits and out-of-limit actions |
| FAT-04: controls | Challenge agreed alarms, interlocks and stop/restart behavior safely | Expected response, observed response, authorized operator and reset conditions |
| FAT-05: changeover | Change from one agreed format to the next | Time boundary, parts/recipe list, clearance record and accepted first output |
| FAT-06: documentation | Reconcile deliverables with the contract list | Drawing/manual/program/parts-list revision and any due date for missing items |
03
Illustration: an agreed 60-minute observation produces 6,100 total bottles and 100 are rejected under the test criteria. Good output is 6,000 bottles, or 6,000 good BPH across that observation. If the machine stopped during the hour, those stops remain in the elapsed-time result unless the signed protocol explicitly defines another boundary.
Record every interruption and the rule for restarting a test. Do not remove weak periods after seeing the results. Keep both the original and repeated runs.
A factory run can demonstrate defined machine behavior. It does not automatically release commercial drinking water or prove the final source, treatment and hygiene system at the destination.
Save counter readings, timed events, sample results and signed data sheets. A short edited video helps explain an observation but does not replace the complete agreed record.
04
Give each deviation an ID, linked requirement, observed result, consequence, owner, correction, due date and retest requirement. Record whether it blocks shipment, blocks startup, or can remain open under an explicitly accepted condition.
Repeat affected checks after corrective work and identify the revised software, components or settings. Record who accepted the result.
List unresolved site dependencies such as final utilities, installed interfaces, actual treatment performance and site operating procedures. Transfer each item to a named SAT or commissioning step.
Issue a signed status with attached deviations, documents and remaining conditions. The meaning of an accepted FAT follows the contract; it is not an automatic waiver of every unresolved item.
R
These sources explain the underlying method. The examples and project worksheets on this page are editorial planning aids; use the agreed equipment, site and test conditions for a real project.
Capital equipment acceptance framework covering FAT and SAT expectations. The worksheet below is an independently authored example, not the downloadable OpX protocol.
Buyer questions
Agree the duration from the requirement and the behavior to demonstrate. No single run duration proves every capacity, reliability, changeover or quality condition.
FAT uses the supplier-factory configuration. SAT checks the equipment after installation with the site interfaces and conditions defined in the acceptance plan.
Only with a written limitation explaining what the substitute can and cannot demonstrate. Keep checks that require the final materials or source water in the site acceptance plan.
Move this project question forward
A demonstration without predefined acceptance can show motion while missing performance, safety, controls, defects or documentation.
Not sure which data matters? Send what you have and state the decision you need to make.
Send target capacity and SKUs, source-water report, site utility schedule, building layout and required project milestones.
The project desk can identify missing inputs and a practical next step. Final engineering, configuration, compliance and commercial terms remain project-specific.
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