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In April 2004, IEUA achieved a LEED Platinum v2.0 certification from the U.S. Green Building Council. Contributing factors included: HVAC is derived by means of heat absorption units powered by recovered heat from power generators at the adjacent regional water recycling plant. Roof-mounted photovoltaic panels produce approximately100 percent of the current power and lighting demands within the buildings. Natural light from 42 skylights interconnected with light sensors throughout the buildings reduce lighting power consumption significantly below Title 24 requirements thereby reducing HVAC loads. "Cool roof" reflects light, reducing the heat island effect. Installation of low VOC emitting materials such as paints, carpets, adhesives and composite wood reduces concentrations of volatile organics. Restroom partitions are made of recycled milk containers, while restroom tiles are 70 percent recycled auto windshield glass. High-efficiency plumbing fixtures and dual plumbing using recycled water for dual-flush toilets, ultra low-flow urinals, and 0.5 gallon faucet aerators reduce building water consumption by 74 percent over standard buildings. One of the goals was to make the facility 100 percent utility self sufficientwithin seven years. In actuality, the headquarters campus became independent of the electrical power, natural gas, and water utilities Nov. 2006, thus becoming a self-sustaining campus. This project was recognized by the State of California for its sustainable properties. |
