SPS Technical Resources and Information
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Featured Articles
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Dispelling Church Window Restoration Myths
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Church Executive, May 2009
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Whether a church is a historic property or a modern facility, it is not immune to problems such as water or air infiltration that may arise with its windows. Many times, decision makers assume replacing the existing windows in their churches is the most economic route. However, numerous factors must be considered before such a decision is made.
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Buchanan House Parking Structure: Repair and Installation of Post-Tensioning Tendons
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Concrete Repair Bulletin, Mar/Apr 2009
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The Buchanan House offers residents of the 200-unit luxury apartment complex nearly 600 parking spaces in a below-grade, three-story parking garage. In addition to the luxury residential units, the facility features restaurants and other retail shops on the street level, which results in additional parking needs. The consulting engineer for the project recognized that the post-tension concrete structure had begun to experience degradation from water infiltration. Additionally, the use of de-icing salts had caused corrosion of the existing buttonhead post-tensioning system.
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Temperature Can Affect Upper Floors of Precast Garages
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Parking Today, March 2009
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Precast concrete double-tees and joists are a common feature on many parking decks. While the use of these materials is proven for parking deck construction, several owners have noticed that the pre-stressed framing members on the top level would be begin to camber.
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