Tag Archives: Division 01

Assignment of design to constructors: A discussion and direction

This article is published in two parts. The first part deals with identification of issues and concerns in communicating the need for design solutions during construction. The second part deals with different approaches to describing how to manage the deferred design process. Both articles draw attention to the “elephant” in the room and issues causing disruption and disagreements in executing this requirement.

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Why commission the building enclosure?

For many years, designers, contractors, and owners have understood the value of a systematic approach to ensure the mechanical and electrical systems in buildings meet the owner’s needs. This approach is known as the commissioning (Cx) process. As a result of implementing the Cx process into the design and construction of buildings, defect claims and litigation related to these commissioned systems are relatively low. The building enclosure (sometimes referred to as the building envelope), however, has often been excluded in the Cx process. Unlike mechanical and electrical systems, poorly performing building enclosures are the most common causes for construction claims and/or construction defect litigation.1

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