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AFD

AFD — Approved for Design

The formal approval status indicating that an engineering design has been technically accepted but is not yet authorized for construction.

Definition

Approved for Design (AFD) indicates that an engineering deliverable has completed design review and is considered technically acceptable for design purposes, although additional work or approvals may still be required before construction authorization is granted.

Why It Matters

AFD establishes a controlled design baseline that supports interdisciplinary coordination, design verification and client review before construction documents are released.

In Practice

AFD normally precedes Approved for Construction and provides the controlled engineering baseline from which construction deliverables are developed.

Common Misuse

Organizations may use different document status codes, but the principle remains the same: the design is approved for engineering purposes, not necessarily for construction.

Term Details
Synonyms:
AFD; Approved for Design
Classification:
Engineering Design
Concept
Basic
Applications

Concept design; FEED; Detailed engineering; Interdisciplinary design reviews; Client approvals.

Where It's Used

Issuing AFD P&IDs for HAZOP.; Reviewing AFD equipment layouts.; Using AFD models for constructability reviews.

References

See It In VisualAIM

VisualAIM connects glossary concepts to the asset records, inspection histories, and workflows they describe.

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