Colorado College Tutt Library Renovation

$45 million renovation for the largest academic library to receive net-zero construction, where building produces as much (or more) energy than it consumes
51,038 sf renovation; 47,232 sf addition
Combined heat and power micro turbines
Extension of campus high temperature hot water and chilled water systems
LED lighting, daylighting
Occupancy controls
Snowmelt systems
Water source heat pumps with a geothermal bore field (80 wells, each 400 feet deep, by 5 ½” in diameter), variable refrigerant flow, variable air volume energy recovery ventilator
External “skin” to minimize heat gain or loss
A portion of building remained opened during construction
115-kilowatt rooftop solar array; 400-kilowatt offsite solar array; 130-kilowatt combined heat and power system
Green rooftop garden
2017 Innovation Award (National Association of College and University Business Officers)
AASHE Recognition (Association for the Advancement of Sustainability in Higher Education)