Condition Assessment of Existing Steel Structures and Assessing Masonry Buildings

Part 1 – Condition Assessment of Existing Steel Structures, Presented by Christopher M. Hewitt, S.E., P.E.
This presentation will discuss approaches to structural steel condition assessment and repair. We’ll discuss the assessment scope and framework, including the basis for assessments and compliance with building code requirements. Detailed methodologies for both preliminary and comprehensive condition assessments will be presented, highlighting common observations, loading conditions, and field investigation techniques. Nondestructive and destructive testing methods to determine material properties and corrosion assessment will be discussed and special topics such as the effects of fire damage, fracture potential, and fatigue damage are introduced. We’ll then discuss repair and maintenance planning, emphasizing repair implementation plans and corrosion management.

Part 2 – Assessing Masonry Buildings, Presented by Donald Harvey, P.E.
“There’s a crack in my masonry!” This is perhaps one of the most common phrases I hear at the beginning of an existing masonry structure evaluation. But, of course, all masonry cracks are not created equal, and the causes range from differential foundation movement to deflection to restraint and well beyond the typical “structural” realm. Volumetric movement, corrosion, or bed joint reinforcing placement could lead to some mysterious crack patterns. This presentation will discuss not only common crack patterns in masonry and their most common causes, but we will also evaluate other common distress conditions in masonry walls structures as leaning, bulging, voids, and deterioration. Additionally, we will discuss some of the basic structural engineering tasks associated with masonry structure investigations such as shear wall conditions, bearing at point loads, and diaphragm connections.

• Course will award 1.5 hour of continuing education
• This course is Diamond Review approved in 49 states. New York does not accept hours from recordings.

Speakers:

Christopher M. Hewitt, S.E., P.E., is an Associate Principal and the Chicago Structural Engineering Division Head at Simpson Gumpertz & Heger Inc. (SGH). He has been practicing engineering since 2001 and is the author of an upcoming AISC Design Guide on Structural Steel Condition Assessment and Repair. Mr. Hewitt has played a central role in high-profile nuclear, commercial, industrial, pharmaceutical, and transit projects throughout North America. He has progressive engineering and management experience in the design, investigation, and rehabilitation of structures with emphasis on structural steel design, impact analysis, dynamic analysis, and interdisciplinary design of complex facilities.

Donald Harvey, P.E.,  is Associate Vice President at Atkinson-Noland & Associates in Boulder, Colorado, a consulting engineering firm specializing in evaluation and repair of existing structures. He has worked on numerous projects in the field of nondestructive testing and forensic investigation of structures. Past work includes projects with the United States Bureau of Land Management, University of Texas at Austin, several Colorado School Districts, The Rocky Mountain Masonry Institute, The United Nations, and several City Governments in Colorado. He is active in several professional organizations and is a voting member of both ASTM Committee C12 on Mortars and Grouts for Unit Masonry and ASTM Committee C15 on Manufactured Masonry Units. He is currently serving in a leadership role on the Executive subcommittee of ASTM C15.

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