Sustainable Design Criteria Low Energy Use Turners Falls HS PV Rainwater Harvesting Outdoor Learning/ Abundant Daylight Material Re-use Environmental System, BCBS Classroom Ayer-Shirley HS Wellesley HS Literacy Wellesley HS
Sustainability Goals KEY In alignment with a LEEDv4 Silver Certifiable/ MA Stretch Code Sustainability Goals beyond LEED
Pathway to Net Zero Energy Concord Middle School 0 25 pEUI 20% Energy Use ±1.2 MW Contingency Preliminary
Pathway to Net Zero Energy Concord Middle School Advance High Performance Enclosure and Systems • Maximize Insulation and Enclosure Tightness • Passive House Strategies • Air infiltration Reduction • Air &/or Ground Source Heat Pumps • Life Cycle Cost Factors • Commissioning & Testing 20% Energy Use 25 pEUI Contingency Environmental Literacy Plug Load Management Operations
Net Zero Energy Metric: EUI 23 pEUI EUI = Energy consumed per square foot of a building’s area – kBtu/SF/yr Lincoln K-8 School 25 pEUI 135 EUI 30-35 pEUI 45-51 EUI 38 EUI Existing Sanborn MS Somerville HS Wellesley HS Bancroft ES (2018-measured) (2023-in design) (2012-measured) (2014-measured)
Energy Use Intensity Goal: 25 kBtu/SF/yr. or better 40-50 Low 30-35 Energy MA Stretch 25-30 Code (2020) SMMA High Performance SMMA Schools NZE Ready Zero Energy Renewable Energy
NZE and Green Building Certification Comparison
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