Inspection
Work Planning

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Acceptance Criteria

The predefined requirements that an item, asset, inspection result or deliverable must satisfy to be considered acceptable for its intended purpose.

Definition

Acceptance Criteria are documented requirements, limits or conditions used to determine whether an inspection result, engineering deliverable, manufactured component or completed work complies with applicable specifications, standards, procedures or contractual requirements. Acceptance criteria define the threshold between acceptable and unacceptable conditions and provide an objective basis for acceptance decisions.

Why It Matters

Acceptance Criteria ensure consistent decision-making during inspection, quality assurance, commissioning and asset integrity activities. Clearly defined criteria reduce subjective interpretation, improve repeatability, improve quality and support regulatory compliance.

In Practice

Acceptance Criteria are applied during inspections and testing to determine compliance. They are typically defined by engineering specifications, procedures or industry standards and are evaluated against inspection findings or test results.

Common Misuse

Acceptance Criteria should not be confused with inspection methods or testing procedures. The procedure defines how the inspection is performed, while the acceptance criteria define how the results are judged.

Term Details
Synonyms:
Acceptance Standard; Acceptance Limits; Acceptance Requirements
Classification:
Inspection & NDT
Concept
Basic
Applications

Inspection reports; Non-Destructive Testing (NDT); Mechanical Integrity assessments; Quality Assurance and Quality Control (QA/QC); Factory Acceptance Tests (FAT); Site Acceptance Tests (SAT); Commissioning and handover.

Where It's Used

Maximum allowable wall loss before repair is required.; Weld acceptance limits defined by an applicable welding code.; Instrument calibration tolerance of ±0.5%.; Completion criteria for a commissioning work package.

References

API 579-1/ASME FFS-1; ASME BPVC

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