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Integrated Water Management at a Rapidly Growing, Drought Prone Campus. Sally Hoyt, Stormwater Engineer Cindy Shea, Sustainability Director The University of North Carolina at Chapel Hill. Smart and Sustainable Campuses Conference April 16, 2013. Water Conservation. LOW FLOW FIXTURES.
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Integrated Water Management at a Rapidly Growing, Drought Prone Campus Sally Hoyt, Stormwater Engineer Cindy Shea, Sustainability Director The University of North Carolina at Chapel Hill Smart and Sustainable Campuses Conference April 16, 2013
LOW FLOW FIXTURES Showers Faucet Aerators Toilets
Stormwater and Development Boom • Largest Expansion in campus history • Number of stormwater control measures on campus rises from 12 to over 200 UNC-Chapel Hill Master Plan Campus Ayers Saint Gross, Architects
Surface Parking to Mixed Use • Rams Head: Dining Hall, Recreation Center, Grocery Store, 3 Level Parking Deck, Intensive Green Roof • Bell Tower: Genome Sciences, Bell Tower Deck, Central Park
Green Roofs Global Education Center (L) Carrington Hall (R)
Permeable Pavement Estes Park & Ride (L) NC Botanical garden (R)
2007 = Worst Drought in History Exceptional Drought Extreme Drought Severe Drought
Non-Potable Water Uses at UNC Athletic Field Irrigation Cooling Towers Landscape Irrigation Toilet Flushing
Rainwater Harvesting NC Botanical Garden (L)Bell Tower Project (R)
Seasonality & Peaks Notes: Based on billing dates; includes UNC Hospitals
Non-Potable Water Program Rooftop Rainwater
Lesson 1: Set-up Organizational Structure During Design NPW Responsibilities:
Lesson 2: Don’t rely on the regulations and regulatory reviews. Initial Construction After Corrected
Lesson 3: Mind the Gap… …Between the Civil Engineer and Plumbing Engineer.
Lesson 4: Develop a Cross-Connection Control Program TRAINING • Staff • Contractors • PHYSICAL • Labels • Colors • Different Pipe Materials • Signs • TESTING • Initial construction • After renovation Azsustainability.com
Lesson 5: What kind of water? Establish consistent terminology Graywater? We don’t have graywater! Lessons: Educate owner/designer/staff about non-potable water Use correct terminology (in code, at site)
Lesson 10 (State Schools): Run your own NPDES MS4 Program Pollution Detection and Elimination, Erosion Controls, Spill Response, Training
NPDES Stormwater Program Street sweeping, mapping, storm drain cleaning and BMP maintenance, inspections
Stormwater Funding • ADD IA MAP
Questions? http://sustainability.unc.edu