During Existing Masonry Night School: Assessment, Maintenance, and Repair of Transitional Masonry Structures, instructors will discuss the most common issues in assessing, maintaining, and where needed, repairing masonry cladding systems constructed in North America between the 1880 and 1945.

Once the assessment is complete and the deterioration mechanisms are known, rehabilitation options can be considered. This session will introduce rehabilitation options for the transitional masonry wall system to be considered based on deterioration mechanisms, including those related to structural concerns and water management. The session will discuss the potential influence of the Secretary of the Interior Standards for the Treatment of Historic Properties in rehabilitation options as they apply to these buildings.

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About the Presenter

Matthew C. Farmer, P.E. is Principal of Wiss, Janney, Elstner Associates, Inc. (WJE). He first joined the New Jersey office of WJE in 1986 and moved to the Washington, DC office in 1990. Mr. Farmer has served as principal investigator on numerous evaluations of concrete, steel, and timber structures, as well as those involving clay, concrete, stone, and cast stone masonry. He has concentrated his practice in the area of building enclosure systems engineering, design, investigation, analysis, and repair. Projects have included institutional, commercial, and residential projects, as well as numerous historic landmarks. Mr. Farmer served as Manager of the Fairfax, Virginia office from 1994 until 2006, when he became a Principal with WJE and continues to practice. Mr. Farmer is also coteaching a graduate level class on preservation engineering at the Johns Hopkins University in Baltimore, Maryland. Prior to joining WJE, Mr. Farmer was a structural engineer with the Washington, D.C., office of Skidmore, Owings and Merrill.

Mr. Farmer is a licensed engineer in Washington, D.C., Maryland, and Virginia. He is a sub-committee chair for ASTM Committee C18 on dimension Stone, and a member of ASTM C12, and C27. He is also a member of IIBEC, ASCE, and TMS where he serves on several committees. Mr. Farmer has published over 30 technical papers and articles plus presented at over 30 events.