In the past, older buildings were routinely demolished versus a renovation. Today, because owners and the public are concerned about conservation and adaptive reuse, older buildings are more likely to be renovated than demolished. Many of the design and analysis principles used for new structures also apply to structures in renovation and rebuilds. Also, if the cost of new work associated with a renovation to an existing structure is a substantial portion of the replacement cost of the existing structure, then the existing structure must be made to conform to the requirements of a new building under many building codes.
However, the engineering approach is dissimilar from new construction as the mindset is focused on checking and evaluating “what’s there”. SDL’s experience, code knowledge and creativity with past renovation and multiple types of renovations allow us to best determine how to make an existing structure meet current codes or engineer and economical retrofit.