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This article describes the development of a web-based “fact sheet” on radiation control for commercial low-slope roofing systems. This fact sheet includes an estimating tool or “calculator” to predict the heating and cooling loads per unit area of low-slope roof. The user of the “calculator” specifies surface radiation properties (solar reflectance and infrared emittance), insulation level, and location for the roof.
This article describes the development of a web-based “fact sheet” on radiation control for commercial low-slope roofing systems. This fact sheet includes an estimating tool or “calculator” to predict the heating and cooling loads per unit area of low-slope roof. The user of the “calculator” specifies surface radiation properties (solar reflectance and infrared emittance), insulation level, and location for the roof. The fact sheet presents the range of radiation properties that resulted from our tests and other information to guide the user of the tool in applying it to conditions of interest. The user then enters local energy costs and average equipment efficiencies to generate annual operating cost savings due to the proposed surface radiation properties and insulation level.
Many modern electronic gauges have the capability for transmitting or uploading data to a computer via a data port. This can mean transferring the data to a spreadsheet for customized analysis or to a data management software package for analysis using standard statistical methods. This paper describes the format of the data for a range of gauges used for the coating inspection process including surface profile determination, climatic condition monitoring and coating thickness measurement.
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Coating and Lining of Concrete requires an understanding of both new and existing concrete substrate conditions. New concrete must be evaluated for surface strength, cracking, and construction defects. In addition, existing concrete must be evaluated for mechanical damage, chemical contamination, and corrosion. Evaluation methods and equipment will be discussed.
This presentation will outline the results and conclusions of a number of years of testing and experience in surface preparation for high-performance coatings. Testing has shown that there are several important variables that are not routinely monitored and controlled on most coating projects. The pertinent variables will be identified, and guidance will be provided on appropriate treatment of the variables to achieve the maximum results from the chosen coating.