The Washington State Convention Center Additional (WSCCA) is a transformative project for the City of Seattle and will increase the current center’s space by more than one million square feet. Since 2016, Degenkolb has provided the general contractor with a multitude of Construction Engineering services including excavation shoring bridging documents, temporary bracing of concrete walls, design of temporary structures and platforms, validation of partial excavation/construction sequences, and peer review of the erection stability plan.