Case Engineering Designing Structural Support for New City Hall in Earthquake-Prone New Madrid, MO
Case Engineering’s structural team has partnered with DILLE POLLARD Architecture to provide earthquake-resistant structural design for a new city hall in New Madrid, MO.
St. Louis, MO — When complete, the new single-story, 6,242-square-foot building will house the city’s administration offices at its south end, public areas at the central core, and the council chambers at its north end. The new city hall is under construction at 331 Main Street in downtown New Madrid on city-owned land where a two-story commercial building once stood.
The Mississippi River town of New Madrid is the county seat of New Madrid County in Missouri’s boot heel region. With a population of 2,700+, the city is known as the site of nearly 2,000 earthquakes in 1811 and 1812, some of which reached a magnitude 8 on the Richter scale – the most powerful earthquakes to ever hit the contiguous United States east of the Rocky Mountains in recorded history.
Given the city’s location within the New Madrid Seismic Zone, Case Engineering’s structural team applied its seismic expertise to design a structure capable of withstanding known earthquake risks in the region.
The structural design for the new city hall utilizes cold-formed metal roof truss framing and exterior load-bearing metal stud walls supported on shallow, conventional concrete foundations.
“Case Engineering designs buildings in cities across the United States where earthquakes are prevalent; and as such, we are experts at handling seismic forces required by building codes,” said Case Engineering Principal/Senior Structural Engineer Stephen J. Sacco, P.E. “For the New Madrid City Hall project, we incorporated metal stud shear walls clad in plywood with hold-downs to resist extreme lateral loads. For increased resistance to seismic forces, our engineers strategically added Simpson Strong-Wall® shear walls, a proprietary structural system designed to help buildings resist lateral forces like wind and earthquakes. At a basic level, they are pre-engineered shear walls – vertical structural elements that prevent a building from swaying, racking or collapsing sideways.”
Detailing and Revit modeling for the new building presented a greater challenge for the structural team than a typical box-shaped structure due to the design’s varying rooflines and unique brick and stone façade.
“We’re looking forward to watching the project take shape,” said Sacco. Construction of the new city hall is expected to be completed in summer 2026. CA Walker Construction of Dexter, MO is the general contractor on the project.
About Case Engineering, Inc.
Founded in 1995, St. Louis-based Case Engineering has been providing engineering design services nationwide for over 30 years. With a professional staff of over 100 employees and registrations in 49 US states and the District of Columbia, Case Engineering provides exceptional mechanical, electrical, plumbing and structural engineering, plus fire protection consulting design and design-build services.
Since its founding, Case Engineering has reached new heights in professional achievements and boasts a varied client base that includes, but is not limited to the following industries: hospitality, restaurants/quick service restaurants, healthcare, retail, workplace, multi-family housing, education, municipal, laboratory and industrial. For more information about Case Engineering, visit www.caseengineeringinc.com.
source https://zweiglist.com/case-engineering-designing-structural-support-for-new-city-hall-in-earthquake-prone-new-madrid-mo/
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