SSM Health St. Joseph Hospital Vertical Expansion

Kienlen erected 535 tons of structural steel as part of the SSM Health St. Joseph West Vertical Expansion Project. The three-story vertical expansion took place above the existing, fully-operational hospital. Special attention was given to sequencing and execution to minimize disruption to patient rooms below. Scope also included seismic upgrades to the existing foundation and […]

Olin Library Renovation

During a major renovation and expansion of Olin Library at Washington University in St. Louis, Kienlen performed demolition of a portion of the existing library and excavated two levels below ground for fit-out of additional space. The process included temporarily jacking and supporting the weight of the entire library while the structure’s concrete piers were […]

St. Louis Flood Gate Rehabilitation

Kienlen Constructors was selected by the U.S. Army Corps of Engineers for the St. Louis Flood Gate Rehabilitation Project. The Kienlen team was responsible for installing new flood gates and permanent closure structures to protect the riverfront against flooding from the Mississippi River. Self-performing nearly the entire project, Kienlen’s scope of work included demolition of […]