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 […]

Lock & Dam 25 – Gates & Service Bridge Painting and Repair

Originally constructed in 1939, Lock and Dam 25 is listed on the National Register of Historic Places. Kienlen is performing major repairs and upgrades to 14 60-foot tainter gates, three 100-foot roller gates, and a service bridge on the 1,296-foot-long dam. The project allows the lock and dam to continue providing the safe transportation of […]

Finished Goods Building Addition

Kienlen constructed a 15,650-square-foot, 6-story addition of the finished goods building at Italgrani’s U.S. Durum Milling plant. The project included 12 drilled piers into bedrock, concrete foundations, erection of 1,500 pieces of structural steel, and installation of 16 tanks, each standing 47 feet tall and measuring 11 feet in diameter. The plant, which is one […]

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. Luke’s Outpatient Center Expansion

Kienlen was awarded the structural concrete package for a major addition to St. Luke’s Hospital Outpatient Center. During construction, the team placed 25,000 square feet of cast-in-place foundations and walls.

Grand Hall Student Housing

Kienlen was awarded the structural concrete and structural steel portions of the Saint Louis University Grand Hall project, a new seven-story, 237,000-square-foot residence hall. The building features single and double suite-style rooms with a total of 528 beds. The project also included construction of a 740-seat dining hall, classrooms, study lounges, and an outdoor plaza.

Doe Run Water Treatment Program

During construction of a new industrial wastewater treatment plant for The Doe Run Company, Kienlen placed 2,100 cubic yards of structural concrete, installed 33 tons of clarifier equipment, and 600 pieces of miscellaneous metals. Doe Run operates mines throughout southeast Missouri that produce lead, copper, and zinc. The Environmental Protection Agency (EPA) issued a consent […]

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 […]