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- 3. ! ! "#$%&'(!"#$)*+&! ! W A LSH C ORPORA T E H E ADQUART ERS E XPNANSION C HIC A G O, IL Leads in L E ED certification Level= Platinum L E ED Certified Features: Reducing Demand Control Ventilation systems, which would otherwise consume: 1% of the US Energy Budget 5.8 % of commercial building sector energy use 18% of the U.S. total primary energy use Green Roofing: Reduces water treatment needs for Chicago Insulates against extreme cool or hot weather Protects building against harmful weather Aesthetically pleasing Lighting Controls-Reduces electrical energy consumption Solar Ducts Improves air quality Lowers building energy costs Project Duration: 2010-2011 Work includes: Implementation of green innovation to meet LEED certifications Green innovation includes Rainwater Harvesting, demand control ventilation, solar ducts, metering, lighting controls General rehabilitation work (including gutting, flooring, painting, construction of an atrium stair case.) Design/Construction Team: Architect - Solomon Cordwell Buenz Mechanical Engineer - McGuire Engineers General Contractor - Walsh Construction Mechanical Contractor - FE Moran