PERSONNEL QUALIFICATIONS Michael J. Scheffler | Principal and Director of WJE Knowledge Sharing

EXPERIENCE ◼ Farwell Building - Chicago, IL: Peer review and Michael Scheffler has more than forty years of observation of limestone and marble facade experience investigating deterioration and disassembly and reassembly distress in buildings and structures, including ◼ One Union National Plaza - Little Rock, AR: high-rise exterior facades of limestone, marble, Marble facade investigation and facade granite, masonry, and terra cotta; glass and replacement design ◼ Amoco Building - Chicago, IL: Marble facade metal curtain walls; stone pavements; and fire- investigation and repair design damaged structures. Many of these ◼ Franklin Delano Roosevelt Memorial - investigations were performed on historic Washington, D.C.: Stone consulting buildings. Mr. Scheffler has extensive ◼ - Boise, ID: Exterior experience in the investigation and testing of investigation of sandstone and terra cotta distressed thin stone facades. His work also exterior facade and dome; and repair design includes the development of construction ◼ 1111 Fannin Street - Houston, TX: documents for many of his projects. Mr. Investigation of exterior Carrara marble EDUCATION Scheffler performs laboratory and in situ testing cladding and repair design ◼ Purdue University of building assemblies related to stone material ◼ 311 South Wacker Drive - Chicago, IL: Exterior ◼ Bachelor of Science, Civil performance, structural performance, and water investigation of granite veneer and repair Engineering, 1980 leakage. He has also performed long-term design monitoring and instrumentation of distress on ◼ Minneapolis Institute of Art - MN: Stone PRACTICE AREAS several types of structures. material consulting and laboratory testing ◼ Stone Cladding and Paving ◼ International Monetary Fund - Washington, ◼ Building Envelope Assessment Mr. Scheffler has given professional seminars D.C.: Laboratory stone testing ◼ United States Customs House - Chicago, IL: ◼ Architectural Testing on dimension stone, building envelope ◼ Coatings and Sealants Exterior limestone facade investigation, repair maintenance, repair, moisture, and thermal ◼ Masonry design, and construction administration performance testing. ◼ Windows, Skylights, and ◼ United States Post Office - Chicago, IL: Critical

Curtain Walls facade inspection; limestone and terra cotta REPRESENTATIVE PROJECTS ◼ Historic Preservation ◼ LaSalle-Wacker Building - Chicago, IL: Facade ◼ - St. Paul: inspection and repair design of exterior Investigation and repair design of exterior REGISTRATIONS Indiana limestone facade Georgia marble facade ◼ Professional Engineer in IL ◼ Corning Tower - Albany, NY: Investigation ◼ North Dakota State Capitol - Bismarck: and WI and laboratory testing of marble facade Investigation and repair design of exterior ◼ Kennedy Center for the Performing Arts - Indiana Limestone facade and interior marble PROFESSIONAL AFFILIATIONS Washington, D.C.: Investigation and repair ◼ Washington Monument - Washington, D.C.: design of exterior stone facade and plaza ◼ ASTM International (ASTM) Investigation and repair design of ◼ Valley Forge Triumphal Arch - PA: Peer review earthquake-damaged marble masonry of repairs to historic granite masonry arch TECHNICAL COMMITTEES construction ◼ Whitney Museum of American Art - New ◼ ASTM C18 - Dimension Stone ◼ Perry’s Victory and International Peace York, NY: Repair design of dismantlement ◼ ASTM C24 - Building Seals Memorial - South Bass Island, OH: and reassembly of Pennsylvania Granite and Sealants Investigation and repair recommendations facade ◼ ASTM E06 - Performance of for historic 350-foot-tall granite and concrete Buildings column ◼ City Hall - WI: Exterior envelope CONTACT investigation of terra cotta, brick, sandstone, [email protected] windows, and slate and 847.272.7400 copper roofing www.wje.com ◼ New York Public Library - New York, NY: Investigation and laboratory testing of marble facade ◼ State Capitol - Madison: Investigation and repair design of exterior Bethel White granite facade ◼ Kansas State House - Topeka: Investigation of failed stone facade elements