The acronym OPR stands for which owner's project requirements set?

• A. Owners Project Regulations
• B. Owner's Project Requirements
• C. Operational Project Requirements
• D. Owners Project Requirements

Answer: (D)

OPR stands for Owners Project Requirements. It is the document that captures the owner’s needs for the project—functional goals, space needs, performance targets, budget, schedule, sustainability aims, and operating expectations—in clear, measurable terms. This set of requirements guides design decisions and becomes the baseline against which the project’s design and later commissioning activities are measured, ensuring the building will meet the owner's expectations when it is delivered and starts up.

The plural “Owners” signals the owner group, not a possessive form, and the standard industry term is exactly “Owners Project Requirements.” The other phrasings either introduce a different concept (such as Regulations or Operations-focused language) or use a possessive form that isn’t the conventional terminology.