Water Reuse Handbook - the Public Building Commission of Chicago

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Water Reuse Handbook Local Case Studies In determining a reasonable set of design guidelines for water reuse systems, existing systems in the City of Chicago and the County of Cook were evaluated and these case studies are summarized in this section. The PBC has been leading by example in the City of Chicago by incorporating innovative water reuse systems into its buildings, with several reuse projects for landscape irrigation and flushing fixtures currently in the works or recently completed. PBC projects featured in this section are Osterman Beach House, 41st Street Beach House and Valley Forge Park Fieldhouse. Although not a current case study, the PBC is currently developing a rainwater harvesting system for the Chicago 12th District Police Station. With a 20,000 gallon underground storage tank, 550 gallon day tank, and the capacity to flush 24 toilets and 7 urinals. The system, once constructed, will be one of the largest water reuse systems in the City. Other case studies focus on rainwater harvesting and grey water reuse systems implemented by the private sector in the Chicagoland area. 40 : Public Building Commission of Chicago Water Reuse Handbook August 2011
Local Case Studies: Beach Houses Beach Houses Fast Facts August 2011 Type of project: Two 2,500 sq. ft. beach houses at 41st Street Beach and Osterman Beach Type of water reuse system: Rainwater harvesting from roof and ground for toilet and urinal flushing Location: 4101 S Lakeshore Dr, Chicago, IL and 5701 N Lakeshore Dr, Chicago, IL Occupancy: July 2010 Owner: PBC on behalf of Chicago Park District Architect of Record: Muller + Muller Architects System Overview Overview of system: Rainwater harvesting system to flush 11 toilets and 4 urinals at each beach house. Buildings will be used only during summer months. Major system components include (see diagram on page 48): • Vortex filter • 2000 gal. underground rainwater harvesting tank • UV sterilization system (UV sterilization both before water enters day tank and within day tank) • 125 gal. day tank • Sump pump • Booster pump with bladder pressure tank • Air gap Overview of design process: Architect advanced the idea of a rainwater harvesting system during preliminary design of the buildings. The PBC also supported the system’s incorporation and assisted in implementation. A consultant was brought into the design process to guide the creation of the system. Since these buildings are only open during summer months, UV sterilization was chosen instead of chlorination to make for simpler maintenance. The buildings’ large storage tanks are located underground to save space, while the day tank is highly visible, located between the restrooms. There is a visible water line on the tanks with educational signage, which explains how the system works, to connect people with the concept. Water Reuse Handbook Rendering of Osterman Beach Comfort Station Rendering of 41st Street Beach Comfort Station Educational signage Public Building Commission of Chicago : 41
Page 1 and 2: AUGUST 2011 Public Building Commiss
Page 3 and 4: Contents Introduction .............
Page 5 and 6: Letter from the Chairman As Chairma
Page 7 and 8: Letter from the Executive Director
Page 9 and 10: Introduction The Public Building Co
Page 11 and 12: Reduced Demand for Potable Water Re
Page 13 and 14: Water Regulations Introduction Exis
Page 15 and 16: Recent Regulatory Developments Augu
Page 17 and 18: Tools and Strategies: Reducing Fres
Page 19 and 20: Tools and Strategies: Reducing Fres
Page 21 and 22: August 2011 VENTILATION 8 FINISH In
Page 23 and 24: Tools and Strategies: Rainwater Har
Page 31 and 32: August 2011 VENTILATION 7 REQUIRED
Page 33 and 34: Tools and Strategies: Greywater Sys
Page 35 and 36: Tools and Strategies: Greywater Sys
Page 37 and 38: Tools and Strategies: Blackwater Sy
Page 39 and 40: August 2011 Public Building Commiss
Page 41 and 42: Planning for a Water Reuse System:
Page 43 and 44: Planning for a Water Reuse System:
Page 45 and 46: Building Operations and Maintenance
Page 47: Building Operations and Maintenance
Page 51 and 52: Local Case Studies: Beach Houses Au
Page 53 and 54: Local Case Studies: Valley Forge Fi
Page 55 and 56: Local Case Studies: Yannell Residen
Page 57 and 58: Local Case Studies: Center on Halst
Page 59 and 60: Local Case Studies: Center on Halst
Page 61 and 62: National/International Examples: St
Page 63 and 64: National/International Examples: Po
Page 65 and 66: National/International Examples: To
Page 67 and 68: National/International Examples: Ha
Page 69 and 70: National/International Examples: Sy
Page 75 and 76: Bibliography “Greywater Reuse in
Page 77 and 78: Bibliography “The Lifesaver Bottl
Page 79 and 80: Definitions Definitions August 2011
Page 81 and 82: August 2011 Water Reuse Handbook Pu
Page 83 and 84: August 2011 Water Reuse Handbook Pu

Water Reuse Handbook - the Public Building Commission of Chicago

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