Webinar Recording: Mitigating Risks in Adjacent Demolition, Excavation, and Construction

A recording of this webinar is now available.

Construction in dense urban environments and other zero-setback conditions has the potential to impact adjacent and adjoining properties. With effective planning and communication, the risks of demolition, dewatering, excavation, and construction next to existing structures can be evaluated and managed, reducing the likelihood of damage and disputes between property owners. Many of the same physical risks also apply where a building is demolished or constructed next to an existing one with the same owner—for example, a building addition.

Proactive reviews as well as reactive investigation and repairs are often challenging and interdisciplinary projects, with considerations ranging from geotechnical and structural to building enclosure and life safety. In this webinar, WJE geotechnical engineer Frank Harrison and structural engineer Justin Spivey identify frequently encountered issues ranging from foundations (support of excavation, groundwater management, and vibration) to walls (party walls, opening protection, and seismic separations) to roofs (snow loads, roof drainage, and crane overswings). Code compliance issues and allocation of responsibility and risk between property owners are also discussed.

By the end of the webinar, you will be able to:

• Explain potential impacts of demolition, dewatering, excavation, and construction activities on adjacent properties
• Identify impacts of adjacent construction that extend beyond project completion, such as fire and life safety
• Discern variations between cities and over time in minimum code requirements for protecting adjacent properties
• Differentiate between responsibilities of the project owner and adjacent property owners in managing the risk of damage
   

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