sophisticated design by London-based architects Chipperfield and the painstaking installation by St. Louis- based Guarantee Electrical. The con- crete ceiling was poured in 12 sec- tions, with 50 coffers to a section. Because Guarantee wanted to avoid drilling into the architectural con- crete, the company executed precise, just-in-time coordination with con- crete specialists to place prefabricated framing struts into the wet concrete. These struts provide secure sup- port for the light-spreader assem- blies that, as Guarantee explained in a white paper, “…serve the dual pur- pose of distributing a very pure, nearly shadowless light throughout the galleries, while performing the additional duty of concealing the for- midable array of lighting, mechanical, and security systems, which also had to be housed invisibly above the ceiling coffers. A host of systems— skylight heaters and motorized, cus- tom shades; CCTV cameras; motion/ intrusion and smoke detectors; emer- gency and normal lighting; and the fire alarm and sprinkler system—had to be strategically housed in the nar- row, skylight space above the coffers, yet kept entirely out of sight” because Chipperfield’s design required that all systems and wiring be invisible to the public. Guarantee wired and placed 1, 100 T5 fixtures atop the coffers and set and secured the 660 light spreaders, all custom-drilled in advance to ac- commodate sprinkler nozzles. Guar- antee also installed supplemental in- candescent lighting alongside the light spreaders. Powerful daylight sensors above the coffers feed data to a cen- tralized processor that controls the mix of harvested and artificial light. The word “museum” is derived from the Greek word “mouseion,” meaning “home of the Muses.” Elec- trical distributors inspired by the museum Muses and the prospect of greater treasure might peruse The Green Museum: A Primer on En- vironmental Practice by Sarah Brophy and Elizabeth Wylie, AAM leaders. This authoritative book in- cludes case studies and covers topics such as operations, metrics, bench- marking, and construction. ; Niehaus, LEED GA, is an instructional designer and writer and president and founder of Communication by Design ( communicationbydesign.net). She can be reached at Jan@CommunicationBy Design.net.
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