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Sustainable Design & Construction FeaturesEnergy Efficiency• High-performance Energy-efficient design – 30% less energyuse each year compared to Oregon energy code, saving approxi-mately $28,000 per year. the playing fields, and a state-of-art irrigation system capable for• Building skin – high-performance building skin of double- monitoring the evapotranspiration rates of the plants to deter-insulated walls with a continuous 2-inch rigid foam insulation and mine watering needs. The 25,000-gallon rainwater cistern, which4-inch batt insulation separated by an air space, and the roof is will refill multiple times over the course of the year, will provideinsulated to an R-value of 40 – more than twice the code require- approximately 300,000 gallons of rainwater each year, account-ment. ing for more than 34 percent of the total water used to irrate the• High-performance windows – windows with a high light to solar school grounds.heat gain coefficient are strategically located to minimize undesir-able heat transfer yet take advantage of passive solar gains. Healthy indoor air quality• Light-colored roof – a light-colored cap sheet reflects heat back • Low-emitting building materials – Many of the building prod-to atmosphere, reducing the temperature of the roof assembly ucts used (adhesives,sealants, paints, and coatings) contain no- orand the localized temperature differentials in urban/suburban low-VOC content. VOCs are volatile organic compounds whichareas known as the “heat island effect.” off-gas at room temperature and can be odorous, irritating and• Radiant heat floors – warm water circulated through tubing harmful to occupants’ health and well-being.embedded within the floor offers outstanding heating efficiency • Low-emitting furniture – 100% of Rosedale’s furniture – alland comfort and provides heat down low – at the level of the desks, tables, seats, shelving, etc. – are GREENGUARD- or BIFMA-occupants. certified as products meeting rigorous third-party standards for• Natural daylight access & Lighting controls – extensive daylight- healthy indoor air quality.ing reduces the need for electric lighting during daytime hours • Ventilation system – the mechanical ventilation system providesand the building’s east-west orientation allows for more even 30% more fresh outside air than a standard ventilation system,north-south light access in the majority of learning spaces. CO2 monitors in each classroom trigger the delivery of fresh air• Solar-ready – electrical wiring connections, from roof top to to specific spaces, as needed, and numerous operable windowselectrical box, have been installed so that when the opportunity provide easy access to fresh air and temperature regulation.arises, adding solar photovoltaic panels will require little more • Access to quality natural daylight and views – windows coverthan rooftop installation. approximately 30% of the exterior wall surfaces, offering abun-• Green power – participation in Portland General Electric’s dant access to natural daylight and views to outside, and South-“CleanWind” program supports the development of wind farms facing windows with sun shades minimize unwanted directin north central Oregon – Biglow Wind Farm. sunlight in the summer months and cut down on glare.Water Conservation & Efficiency Materials conservation• Rainwater harvesting for irrigation – a 25,000-gallon cistern • Recycling of construction waste management – 91% of theburied underground within the school’s rain garden courtyard waste generated during the construction process was divertedwill serve two important functions: 1. Capture rain water, which from landfills through the use of multiple bins, each forwill be used to irrigate the landscaping on campus, and 2. Collect specific materials – concrete & asphalt, wood, steel, gypsum,storm water onsite resulting in a reduction in the amount of pol- and cardboard & paper products – and careful on-site sorting.luted run-off to nearby streams and rivers. These recyclable recovered resources became available for future• Water efficient appliances and plumbing fixtures - Water is manufacturing processes.conserved through the use of energy efficient appliciances, such • High-Recycled content and locally-sourced materials – 21% ofas faucets with sensors, and “Salvajor Scrap Collectors,” which the construction materials contain high-recycled content and 32%separate food waste solids for composting. were locally-sourced. Materials with high recycled content included: steel rebar, structural steel, cabinetry, drywall• Water-efficient landscape irrigation system – landscaping was and carpet, among others, and locally-sources materials, mean-designed to use at least 50% less potable water than a conven- ing those harvested or extracted and manufactured within 500tionally designed landscape. Northwest native plants in the land miles of the school, included: concrete, brick, tile, stone, pavers,scaping beds, drought-tolerant hybrid fescue grass seed blend for drywall and landscaping materials.