1.1''Purpose'''This guide provides procedures, methods and documentation techniques that may be used in the application of the building enclosure commissioning (BECx) process. This guide is complementary to Practice E2813 and is aligned with ANSI/ASHRAE/IES Standard 202 and ASHRAE Guideline 0.

1.2''Extent'''The process outlined in this standard guide applies to each building delivery phase from pre-design through occupancy and operation. The specific application of this guide may vary to suit the Owner, the project delivery method and the building project as described in the Owner'''s Project Requirements (OPR), and as defined by the contract documents.

1.3''Primary Focus'''The primary focus of this process includes, but may not be limited to, new construction of building enclosures, existing building enclosures undergoing substantial renovation or alteration, and continuous commissioning of enclosure systems.

1.4''Contractual and Regulatory Obligations'''The methods described in this guide are not intended to supersede or otherwise replace the contractual obligations reserved specifically for the parties responsible for the design and construction of a building or structure, nor to alter the roles, responsibilities and duties that may otherwise be assigned to those parties by applicable regulatory or statutory law.

1.5''This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.