skyscraper restoration dr. elwin c. robison, pe wiss, janney, elstner associates, inc. kent state...
Post on 21-Dec-2015
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Skyscraper Restoration
Dr. Elwin C. Robison, PEWiss, Janney, Elstner Associates, Inc.
Kent State University College of Architecture and Environmental Design
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“A skyscraper is a machine for making money in.”
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Typical Floor Plates
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Land Values
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Land Value “Adjustments”
• Zoning height restrictions
• Historic Districts and tax credits for historic preservation
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Planning
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Deterioration
• Expansion of corroding steel• No maintenance
– Leaking roofs, typically at flashing interfaces– Delay masonry repointing
• Obsolescent/poor design– Lack of through flashing at parapets– Unprotected steel, lack of end dams,
• Inappropriate material choices• Poor construction/repair
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What value does a historic skyscraper have?
• Quality design
• Distinctive address
• Natural light (sometimes)
• Energy investment already made
• Restoration work is primarily labor, not materials purchased outside of the region or nation.
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What should Cleveland become?
• What are our assets?
• What strengths can be capitalized?
• What is our 20 year horizon, and not just our 6 month horizon?