Federal CourthouseFederal CourthouseChicago, ILChicago, ILLEED Platinum LEED Platinum CandidateCandidateGroup OneGroup One
Michael Barr, Alicia Case, & Sara DewaldMichael Barr, Alicia Case, & Sara Dewald
Project BackgroundProject BackgroundLocation: SE Corner of W. Monroe St. & S. Des Location: SE Corner of W. Monroe St. & S. Des Plaines, Chicago, ILPlaines, Chicago, IL
Ex. Cond: Developed with a park (owned by Ex. Cond: Developed with a park (owned by City of Chicago), surface parking lot, and old City of Chicago), surface parking lot, and old buildingbuilding
Proposed Building:Proposed Building:500,000 ft500,000 ft2 2 building with 5 storiesbuilding with 5 stories100,000 ft100,000 ft22 underground parking lot underground parking lot500 parking spaces needed500 parking spaces needed
Considerations:Considerations:GSA, LEED, and local Chicago sustainability initiativesGSA, LEED, and local Chicago sustainability initiativesBuilding security issuesBuilding security issueslocal weather conditionslocal weather conditions
Project AssumptionsProject Assumptions
Occupancy: 1500 full time occupants, 4500 daily Occupancy: 1500 full time occupants, 4500 daily visitorsvisitors
Project LEED Focus:Project LEED Focus:
SiteSiteEnergyEnergyWaterWater
Sustainable SitesSustainable SitesReducing Heat Island Reducing Heat Island EffectsEffects
Underground Underground parkingparking
Energy savingsEnergy savings
$1070/yr +/-$1070/yr +/-
Rainwater Rainwater harvestingharvesting
900,000+ gal/yr900,000+ gal/yr
67,250 ft2 green 67,250 ft2 green roofroof
$15-20/ft – $15-20/ft – extensiveextensive
Sustainable SitesSustainable SitesReducing Heat Island Reducing Heat Island EffectsEffects
Pervious paving in Pervious paving in plazaplaza
Surface infiltrationSurface infiltration
140”/hr140”/hr
Central downtown Central downtown locationlocation
All modes of All modes of transportation availabletransportation available
Energy and AtmosphereEnergy and Atmosphere Demonstrate 35% Energy Performance Demonstrate 35% Energy Performance ImprovementImprovement 19.0 million kWh 19.0 million kWh 12.4 million kWh 12.4 million kWh $1,166,646 $1,166,646 $758,320 $758,320 Annual Savings $408,326Annual Savings $408,326
Demonstrate 1% On-Site Renewable Demonstrate 1% On-Site Renewable EnergyEnergyWind Turbine – Wind Sail ConceptWind Turbine – Wind Sail Concept 10 – 11 units required10 – 11 units required Can be outfitted with PV SolarCan be outfitted with PV Solar Wind Power Payout (123,713 kWh) Wind Power Payout (123,713 kWh) $371.13 $371.13 Purchase Green-e RECs for 100% Energy Purchase Green-e RECs for 100% Energy Consumption Consumption $37,114 (9.1% Reduction) for 2-years$37,114 (9.1% Reduction) for 2-years
Energy and Atmosphere Enhanced CommissioningEnhanced CommissioningNew Buildings New Buildings $1.16/sq. ft. to 0.4% $1.16/sq. ft. to 0.4%600,000 sq. ft. 600,000 sq. ft. $696,000 to $1.44 million $696,000 to $1.44 million Enhanced Refrigerant ManagementEnhanced Refrigerant ManagementNatural RefrigerantsNatural RefrigerantsFire Suppression w/o HCFCs or HalonsFire Suppression w/o HCFCs or HalonsMeasurement and VerificationMeasurement and VerificationSave up to 10% annually energy costsSave up to 10% annually energy costs1-year post-construction occupancy1-year post-construction occupancyCalibrated Simulation (3-5%)Calibrated Simulation (3-5%)$9 million - $15 million$9 million - $15 million
Water Water EfficiencyEfficiencyConsiderations:Considerations:
Judge Chambers, Juror Areas, Locker Judge Chambers, Juror Areas, Locker Rooms, Urine Testing, & Break Rooms, Urine Testing, & Break RoomsRooms
WC, Urinals, Faucets, Shower heads, WC, Urinals, Faucets, Shower heads, Kitchen faucets, & Hand dryersKitchen faucets, & Hand dryers
Water Reduction Water Reduction •Total savings 41.06%Total savings 41.06%•Fixtures total <$200,000 •Baseline annual cost: $21,306.80•Performance annual cost: $12,558.49
Water Cont.Water Cont.
Water-efficient Water-efficient LandscapingLandscaping•LIDLID•Rain Harvesting: 2 Cisterns, Rain Harvesting: 2 Cisterns, 36.27”36.27”•Native, Tolerant Plants Native, Tolerant Plants
Water InnovationWater Innovation•Greywater ReuseGreywater Reuse•Separation system Separation system •Multimedia sand filter, Residual disinfection, and Multimedia sand filter, Residual disinfection, and Continuous on-line monitoring and controls Continuous on-line monitoring and controls
ConclusioConclusionn• $50K-$100K for $50K-$100K for
53.6% decrease53.6% decrease
• $696,000-$1.44 $696,000-$1.44 million for 1x10million for 1x106 6
kWh/yr savingskWh/yr savings
• $1-1.3 Million for $1-1.3 Million for 912,298.7 gallons 912,298.7 gallons
Project Scorecard SummaryProject Scorecard SummaryCategory Yes Maybe No
Sustainable Sites 24 0 2
Water Efficiency 10 0 0
Energy and Atmosphere 21 0 14
Materials and Resources 8 3 6
Indoor Environmental Quality 14 0 1
Innovation in Design 3 0 0
Regional Priority Credits 4 0 0
Total 84 3 23
Status Platinum
ReferencesReferencesClinton Climate Initiative (CCI). (April 2009). Measurement and verification and the IPMVP. Retrieved from http://www2.presidentsclimatecommitment.org/documents/ccitoolkit/Measurement_and_Verification_and_The_IPMVP.pdfFerguson, B. (Winter 2010). Porus Pavements Q & A. Water Conservation Newsletter. American Society of Landscape Architects. Washington, D.C. FindTheData. (May 2013). Chicago, IL Average Rainfall. Retrieved from http://average-rainfall-cities.findthedata.org/l/86/ChicagoKilbert, C. (2013). Sustainable Construction: Green Building Design and Delivery. Hoboken, N.J.: John Wiley & Sons, Inc. Portland State University. (2013). Impact of a Green Roof [online calculator]. Green Building Research Laboratory. Retrieved from http://greenbuilding.pdx.edu/GR_CALC_v2/savings_v2.phpSisolak, J., and Spataro, K. (March 2011). Toward net zero water: Best management practices for Decentralized sourcing and treatment. Prepared by Cascadia Green Building Council.
Top Related