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Acronymsaka: Basis of Design

BOD (Basis of Design)

In Plain English

A document explaining why design decisions were made and what criteria the building systems must meet.

Definition

The Basis of Design is a document that describes the design intent, criteria, assumptions, and system selections made by the design team to meet the owner's project requirements. It explains why specific systems, equipment, or materials were chosen and establishes the design parameters against which the completed project will be evaluated during commissioning. The BOD is a core component of the commissioning process and is typically developed by the engineer of record.

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