Moving to High Performance Design
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The document focuses on the transition to high-performance design in architecture, discussing sustainability, efficiency, and regulatory standards such as ASHRAE and LEED. It emphasizes the importance of integrating design processes, innovative strategies for energy reduction, and the utilization of renewable energy sources. Case studies demonstrate measurable outcomes, showcasing significant energy savings and recognition through various awards for outstanding green building practices.
Moving to High Performance Design
- 1. Design Group April 30, 2014 Moving to High Performance Design
- 2. Carey Nagle BNIM Architects Scott Bowman KJWW Engineering Many slides are courtesy of BNIM Architects – Not all are referenced
- 5. Efficiency
- 7. REGULATORY PRESSURES Codes and Standards
- 8. Measure Performance? • ASHRAE Standards (90.1) • Energy Star • Code (IECC) • LEED • IgCC • Green Globes • BREEAM
- 9. DOE 30% Reduction Target Courtesy PNNL ASHRAE 90.1-2013? ASHRAE 90-1975 ASHRAE 90A-1980 ASHRAE 90.1-1999 ASHRAE 90.1-2001 ASHRAE 90.1-2007 ASHRAE 90.1-2004 ASHRAE 90.1-1989 ASHRAE 90.1-2010 ASHRAE Standard 90.1EnergyUseIndex(1975Use=100) Year 1970 1975 1980 1985 1990 50 1995 20152000 20102005 110 100 90 80 70 60 14% 4.5% .5% 12.3% 4.5% 18.5%
- 11. MOVING TO HIGH PERFORMANCE Integrative Design
- 12. © 2 0 1 2 B N I M © 2 0 1 2 B N I M
- 13. © 2 0 1 2 B N I M Owner Architects Consultants Utility Companies INTEGRATE = UNITE COLLABORATION + INTEGRATED DESIGN PROCESS
- 14. © 2 0 1 2 B N I M Use Less • Reduce Loads • Passive • Envelope Use Efficiently • System Selection • High Efficiency Make On Site • Renewable Energy • Portal to Future
- 15. Energy Modeling • Key to High Performance • Important to understand interaction • Many approximations – manage expectations • Know limits of software • Understand gross assumptions! • Move from isolated evaluations to bundling • Set early goals – Measure against them often!
- 16. 23% 44%
- 17. 42% 15% 21%
- 18. Why kBtu/sf • ASHRAE currently uses energy cost • Dollars reflect some local energy utilization and market conditions • Suppressed sources can obscure signals – Natural Gas – Renewable Energy (Wind or Solar) • Need to measure true performance • Location, Location, Location – 28 kBtu/sf means something in Iowa – What about Portland?
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- 20. © 2 0 1 2 B N I M Integration Leads to High Performance Iowa Utilities Board / Office of Consumer Advocate State of Iowa
- 21. © 2 0 1 2 B N I M Total EUI : 28.0 kBtu/sf/yr % Reduction from code base EUI 60% Model for other government & private sector entities LEED Platinum VISIONARY GOALS
- 22. © 2 0 1 2 B N I M Building Area 44,640 GSF Cost $204 Per GSF MODEST BUDGET
- 23. © 2 0 1 2 B N I M REPLICATION + INNOVATION REPLICATION INNOVATION • Passive Strategies First • Orientation + Planning • Shallow N-S Footprint depths • Daylighting • Natural Ventilation FLOOR PLAN
- 24. © 2 0 1 2 B N I M REPLICATION + INNOVATION REPLICATION INNOVATION • Passive Strategies First • Orientation + Planning • Shallow N-S Footprint depths • Daylighting • Natural Ventilation FLOOR PLAN
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- 35. Replication + Innovation REPLICATION INNOVATION • Orientation • Shared Parking • Independent of Power Plant
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- 38. REPLICATION INNOVATION • Solid West & East Envelope • Mitigate Heat Gain • Mitigate Glare
- 39. REPLICATION INNOVATION • Daylight / Windows • North Diffuse Daylight • Views • Light Tubes • Daylight Responsive Dimming • Daylight Harvesting Sunscreen • 98% Daylighting DAYLIGHTING STRATEGIES
- 40. REPLICATION INNOVATION • Light Shelf • Screen Shade • Daylight Harvesting Sunscreen • Parabolic Louver Blades
- 41. REPLICATION INNOVATION • High Angle Summer Daylight • Low Angle Winter Daylight
- 42. REPLICATION INNOVATION • Shorter Furniture Panel System Provides Full Daylighting 70% More of the Time as Compared to Existing
- 43. © 2 0 1 2 B N I M REPLICATION INNOVATION • Cost Effective Precast Envelope • Horizontal Windows • Daylight Harvesting System Becomes the Architecture
- 44. REPLICATION INNOVATION • Operable Windows • Weather Station • Building Automation System Alert • Systems Tie-In • Cost Effective NATURAL VENTILATION
- 45. REPLICATION INNOVATION • Good Thermal Envelope • Cost Effective Precast • Thermal Bridging Mitigation • Non-Conductive Precast System • Material Duality ENVELOPE
- 46. REPLICATION INNOVATION • Passive Strategies • Geothermal • Energy Recovery • Occupancy Sensors Per Workstation • Demand Controlled Ventilation • Building Automation System • Photovoltaic Panels ENERGY STRATEGIES
- 47. 19.1% of Building Energy Use RENEWABLE ENERGY REPLICATION INNOVATION • Passive First • Employ Loads Efficiently • Employ as Funding Becomes Available
- 48. Energy Monitoring LEED Measurement & Verification Electrical Circuits Monitored • Lighting • Plug Loads • Mechanical Equipment • General Building Loads • IT Equipment Geothermal Loop Data Collected by Capitol Complex Energy Management System REPLICATION INNOVATION • Ensures Intended Operation • Identifies Additional Savings • Provides Research and Demonstration Data
- 50. 16.7 – 77% saved 26% 18% 24%20% 11%
- 53. MEASUREMENT AND VERIFICATION Second Year M&V Results: • Design Estimated Model EUI – with PV 28.1 • Monitored EUI – with PV 16.7 • Monitored EUI – without PV 21.2 Conclusions: • Model over predicted pumping energy – software limited • Model slightly over predicted lighting savings • Plug loads are significantly lower than design expectations • Corrected energy model tracks actual use well • Tools supported good decision making! Energy Star = 100
- 54. Awards and Recognitions • AIA Committee On The Environment – Top 10 Green Building Award 2012 – Top 10 Plus in 2014 • ASHRAE Technology Award – Second Place in 2014 • AIA Central States Region Merit Award • AIA Iowa Merit Award • Des Moines’ Environmental Impact Awards – Built Environment Award
- 56. © 2 0 1 2 B N I M Moving to High Performance Design Questions?
- 58. SELF REPORTING GBCI CREDIT
- 59. SELF REPORTING GBCI CREDIT
- 60. SELF REPORTING GBCI CREDIT
- 61. SELF REPORTING GBCI CREDIT
- 62. SELF REPORTING GBCI CREDIT
- 63. SELF REPORTING GBCI CREDIT See document provided that can be used to cut and past the suggested information to get CE credit.