San Diego-based S3DA design has been providing structural and MEP design services to a »San Diego-based S3DA design has been providing structural and MEP design services to a wide range of clients and projects. As structural and MEP engineers, we collaborate with architects, developers, and builders to achieve innovative structural designs using the latest methods of construction, materials, and technology.
Recognized as one of the leading consultancies in structural engineering for historic »Recognized as one of the leading consultancies in structural engineering for historic and old buildings, Old Structures Engineering (OSE) provides reports, drawings, and specifications that give detailed guidance to owners, designers, and contractors, enabling the preservation, restoration, and alteration of landmarked and other older structures.