C+S January 2020 Vol. 6 Issue 1 (web)

Michael Mendenhall Structural Engineer Hanson Professional Services Inc. Springfield, Illinois

During his nearly 17-year career, Mendenhall has provided engineering, planning, and design services for numerous bridges, structures, and retaining walls across Illinois and the U.S., including Alaska. Award- winning Alaskan projects Mendenhall has been involved with include the $42.5 million Glenn Highway capacity improvements in Eagle River and the $187 million Tanana River Bridge in Salcha. He also has performed project management responsibilities for multiple projects, including the $315 million Spring- field Rail Improvements for the city of Springfield, and the $75 million Illinois Route 104 bridge over the Illinois River in Meredosia, for IDOT. Accomplishments: • As Hanson’s lead structural engineer responsible for studying the effect of skew and continuity of rein- forced concrete slab bridges for IDOT, Mendenhall has used his experience to develop structural engineer- ing equations and design code that is used to design reinforced concrete slab brides throughout Illinois. • Helps drive Hanson’s largest market, infrastructure, which earned $37 million in gross revenue in 2018. Clients include DOTs in Florida, Illinois, and Missouri, the city of Springfield, Illinois, and the Illinois Tollway. • Provided Phase I and II engineering services for replacement of the McClugage Bridge in Peoria and Tazewell counties, Illinois. For the $200 million project, he was the lead structural engineer and task manager for the east bridge approach unit design, main span foundation design, vessel collisions study, and independent review of the 650-foot-long, tied-arch main span. Public/Professional Service: As an active member of the Illinois Society of Professional Engineers since 2006, Mendenhall has served as the chapter’s president, vice president, treasurer and secretary. He was also chairman of the chapter’s annual fish-fry committee for six years, as well as MATHCOUNTS and Engineers Week. Education: BS, Civil Engineering, University of Illinois at Urbana-Champagne Ross Stuart Structural Division Manager Pennoni Philadelphia, Pennsylvania Stuart has more than 12 years of experience in the structural engineering profession. He has assisted with the design, coordination, administration, and management of the structural engineering for a diverse spec- trum of projects, including new construction, rehabilitation, adaptive reuse, inspection, condition assess- ment, construction engineering, and repair projects covering a wide range of project types and materials including cast in place, precast and post-tensioned concrete, structural steel, cold formed metal framing, masonry, and timber. Since 2007, Stuart has been involved with more than 339 individual projects and is • As Division Manager, Stuart is responsible for the technical and financial performance of the struc- tural department, managing work load, networking, client development, proposals, billing, and evaluating employee performance. The structural division is consistently recognized as one of the firm’s Top 10 financially performing groups. • Project Engineer for the design, documentation, and construction administration of an $18 million, 70,000-SF office building with composite steel framed mezzanine and 145-foot span of 66-inch deep glue laminated arches supporting SIProofing systemon glulampurlins. Building achieved LEEDPlatinumcertification. • Project Engineer and manager responsible for the structural design of the $90 million, 235,000-SF Paul VI High School West. Public/Professional Service: Stuart is a member of the Delaware Valley Association of Structural Engi- neers and the Structural Engineers Association of Pennsylvania, a local and national member of the Ameri- can Society of Civil Engineers, and a national member of the American Concrete Institute, the American Institute of Steel Construction and the National Council of Structural Engineers Association. Stuart also volunteers his time as an ACE Mentor. Education: BS, Civil/Environmental Engineering, Rutgers University licensed in 11 states. Accomplishments:


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