C.3. Workshop, May 29, 2013 Site Design for Protecting Water Quality 2013 Award Winning Projects Vishakha Atre Santa Clara Valley Urban Runoff Program
Current New Development and Redevelopment Requirements Projects that create/replace > 10,000 sq.ft. impervious surface required to include: Site design measures Pollutant source controls Stormwater treatment measures Flow control measures (certain projects > 1 acre impervious area) Proper site design can help reduce flow control or treatment requirements
Site Design Awards Program Recognizes public agency and private development leaders who are solving site design challenges, protecting water quality and meeting or exceeding permit requirements. Started in 2006 Winners - 18 Honorable Mentions 6
Site Design Awards Program Awards given to completed projects with site design measures that: Reduce runoff rates and volumes Serve as a visual amenity and example of sustainable development Serve as a model for similar projects Easy to maintain New in 2013 - Meet and exceed stormwater permit requirements for LID treatment
Past Site Design Award Winners Permeable Pavers, Mayfield Playing Fields, Palo Alto Landscaped Detention Area, Alum Rock Library, San Jose Natural Detention Area, Willow Glen Reflections, San Jose
Past Site Design Award Winners Vegetated Bioswale, Tully Library, San Jose Pervious Paving, Starbucks/Taco del Mar, Palo Alto Pervious Concrete Parking Lot, Congregation Sinai, San Jose
Past Site Design Award Winners Vegetated Swale and Detention Area Behind Entrance Sign, Modern Ice, San Jose Parking Lot Converted to Rock Garden (Stormwater Detention Area), IDeAs, San Jose Vegetated Swale Integrated into Park Landscaping, Modern Ice, San Jose
Past Site Design Winners Green roof at Casa Feliz, San Jose Thumbprint art feature filters roof runoff, Roosevelt Community Center, San Jose 16,000 gallon, underground rainwater cistern at Rosenberg Residence, Palo Alto
Past Site Design Winners Rainwater cistern at the Self- Watering House, Mountain View Integrated landscaping and bioretention at the VMware campus, Palo Alto Permeable parking area in Stevens Creek Corridor Park, Cupertino
Past Site Design Winners Rainwater harvesting, pervious paving and bioswales at Graduate School of Business, Stanford University Bioretention and pervious paving at Rosita Park and Avenue, Los Altos Bioretention at Town of Los Gatos Library, Los Gatos
2013 Award Winners Private Project, Residential Fourth Street Apartments, City of San Jose Private Project, Commercial David and Lucille Packard Foundation Headquarters, City of Los Altos Public Project, Community Park River Oaks Park, City of San Jose Public Project, Athletic Facility Creekside Sports Park, Town of Los Gatos
Fourth Street Apartments San Jose Project features: Apartment building in downtown San Jose 100 units of affordable housing LEED Platinum Certification Project approved in 2007 not required to implement LID
Fourth Street Apartments San Jose Project Features: 5,200 sq. feet green roof Designed to retain and filter rainwater Planted with native, drought-tolerant species
David and Lucille Packard Foundation Los Altos Project features: Packard Foundation office building LEED Platinum Reduced site imperviousness from 97% to 35%
David and Lucille Packard Foundation Los Altos Patio above underground cisterns Project features: Rainwater Harvesting rainwater collected from 29,000 sq. ft. roof area into two 10,000-gallon cisterns o First cistern provides water for toilet flushing; overflows to second cistern for irrigation use o Second cistern overflows to detention pond Green roof
David and Lucille Packard Foundation Los Altos Project features: Landscaped detention pond - receives overflow from cisterns and runoff from patio area 1,800 square feet of flow-through rain gardens that are estimated to treat runoff from over 24,000 square feet of impervious road and sidewalk area
River Oaks Park, San Jose Project features: 5-acre turnkey public park developed as an amenity to the Crescent Village Apartment Homes project Designed to fully utilize landscaping and pervious surfaces to infiltrate and filter stormwater runoff
River Oaks Park, San Jose Project features: Runoff from sports courts and other hardscapes flows to self-retaining landscaped and pervious areas, and a large infiltrating swale 14 biotreatment cells also provide treatment - located within the large swale and adjacent to the paved basketball and tennis court areas Interpretive signage Recycled water used for irrigation
Creekside Sports Park Los Gatos Project features Old corporation yard converted to a sports complex Includes a synthetic turf soccer field, restroom/ concession building, picnic space, 41-space parking lot
Creekside Sports Park Los Gatos Project features Stormwater treatment via infiltration beneath the synthetic sports field Parking lot made of porous asphalt Permeable pavers around concession building
Creekside Sports Park Los Gatos Project features Reduced site imperviousness by 90%. Reduce site runoff: o Pre-project estimate 4.0 cfs for 10-year event o Post-project estimate 1.7 cfs for 10-year event
Congratulations to the Acknowledgements: Award Winners! 2013 Awards Selection Committee: Trish Mulvey, CLEAN South Bay Eric Anderson, City of Mountain View Mike Nafziger, City of Palo Alto Vishakha Atre & Jill Bicknell, SCVURPPP 2013 Awards Applicants