Built in the late 1920s, the Art Deco 10 Light Street is the first skyscraper in Baltimore. A detailed façade inspection was recently completed using 29 swing stage drops for close access.
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Replacing 100 percent of portland cement with fly ash to produce concrete has long been considered something remarkable in the comfort of highly controlled lab conditions, but impossible for practical large field applications.
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As more research and information is available on the impact of white versus black roofs based on geographic location, it is increasingly important that architects, specifiers, engineers and design professionals are educated on the effects of white roofing membranes in colder northern climates.
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The U.S. Environmental Protection Agency (EPA) estimates stormwater runoff is responsible for 70 percent of all water pollution in lakes, rivers, and creeks. When developers use conventional methods such as impervious surfaces, stormwater is often left uncontrolled.
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Energy efficiency is becoming an ever-increasing goal, but it can be difficult with fenestration due to a need to balance performance requirements while remaining economically viable and minimally impacting the environment.
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The first article in this two-part series lays the groundwork for this discussion on R-values and their use as a metric for thermal insulation performance. Now, in this second part, the author examines the real-world use of it as a gauge for ensuring insulation products function as intended.
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What exactly is R-value? This question is not asked often enough in today’s environmentally conscious design/construction industry. However, an even better question may be, whether R-value is still a valid unit of measurement for the performance of insulation products.
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Multi-family balconies are often framed with cantilevered wood, with a concrete covering and gypsum or vinyl ceiling. Structural drawings for a project typically contain a note describing the quality of lumber materials assumed and used by the structural engineer in the structural design process.
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Most deck-related accidents are caused by failure of the deck-ledger connection or the guardrail—this can lead to serious injuries or death. Decks are often designed as a collection of individual parts, rather than as a ‘system’ of interrelated components that must function correctly.
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