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Bowie State University Fine and Performing Arts Center

Bowie State University Fine and Performing Arts Center. Zachary Lippert Faculty Advisor: Dr. Stephen Treado. Bowie State University Fine and Performing Arts Center. Project Team Owner: University of Maryland CM: Holder Construction Company

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Bowie State University Fine and Performing Arts Center

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  1. Bowie State University Fine and Performing Arts Center Zachary Lippert Faculty Advisor: Dr. Stephen Treado

  2. Bowie State University Fine and Performing Arts Center Project Team Owner: University of Maryland CM: Holder Construction Company Architect: EYP Architecture and Engineering Mechanical Contractor: W.E. Bowers Electrical Contractor: Mona Electric Controls Contractor: Seimens Commissioning Authority: EMC/Eaton MEP Engineer: EYP Architecture and Engineering • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion Zachary Lippert Faculty Advisor: Dr. Stephen Treado

  3. Project Overview • Site • Bowie, Maryland • Southeast corner of campus • Project Information • 123,000 square feet • $79 million • Design-Bid-Build delivery method • Architecture • Large expanse of glass • Mixed use building • Multiple large performance spaces • Art gallery • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion Courtesy of Google Maps

  4. Existing Mechanical System • 3 Mixed Air Units with enthalpy wheels • 16 Air Handling Units • 64 VAV boxes (40 to 1,200 CFM) • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion

  5. Existing Mechanical System • Two 1712 MBH gas fired boilers • Four heating water pumps • 305 ton air cooled chiller • Four chilled water pumps • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion

  6. Existing Mechanical System • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion

  7. Proposed Redesign • Goals for the redesign • Improve the mechanical efficiency • Reduce utility bills • Redesign Components • Ground source heat pump • Underfloor air distribution • Energy efficient lighting system • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion

  8. Ground Source Heat Pump • Soil type • Cretaceous • Diffusivity = .9 ft2 /day • Conductivity = 1.1 Btu/h*ft*°F • Calculations • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion

  9. Ground Source Heat Pump • Equipment • 510 bores at 544 ft • 2 gpm/ton • System flow rate: 410 gpm • 5” headers and 1” U-tube piping • Total head loss: 54 ft of water • Two 10 HP 1750 RPM pumps • Energy Model • Heating: Saved 411,164 kBtu/year • Cooling: Saved 153,327 kBtu/year • Auxiliary: Used additional 237,532 kBtu/year • Net Savings: 326,959 kBtu/year • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion

  10. Underfloor Air Distribution • Location of the systems • Large volume spaces • Encourage stratification • Duct layout • Less ductwork • Lower pressure drop • Less fan power • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion

  11. Underfloor Air Distribution • Energy Usage • Minor reduction in cooling load • Significant increase in heating load • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • System Drawbacks • Raised floor system • Larger fan • More materials • Longer construction time • Uses more energy • This system was not further investigated • System Sizing • Increased duct length ~20% • Increased fan power and size

  12. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • Energy Efficient Lighting • Redesign Goal • Reduce the yearly kWh in the offices and classrooms • Provide adequate light for required tasks • Methods • Energy efficient luminaires • T5HO lamps • Occupancy sensors

  13. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • Energy Efficient Lighting • Existing Lighting Design • Offices • Recessed direct luminaires • Two foot luminaires with two 40 Watt TT5 lamps • 1.55 Watts/sq. ft. • Classrooms • Recessed direct luminaires • Four foot luminaires with two 32 Watt T8 lamps • 1.47 Watts/sq. ft. • Proposed Lighting Design • Offices and classrooms • Suspended direct/indirect luminaires • Four foot luminaires with one 54 Watt T5HO lamps

  14. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • Energy Efficient Lighting • Illuminance Values • Office: 30 foot-candles • Music Classrooms: 15 foot-candles • AGI Model • Less watts per luminaire • Half as many luminaires • Excellent energy savings

  15. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • Energy Efficient Lighting • Occupancy Sensors • Offices: Passive infrared • Classrooms: Ultrasonic • Equivalent Full Load Hours • Offices: 2870 • Classrooms: 2522 • Hours Saved • Offices: 1091 • Classrooms: 1463

  16. Classroom Energy Savings • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion Office Energy Savings

  17. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • Ground Source Heat Pump Cost and Savings • Total System Cost: $2,938,000 • BG&E Incentive: $1,000,000 • Net Cost: $1,938,000 • Total Utility Savings: -$665.27

  18. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion Lighting Redesign Cost and Savings

  19. Simple Payback • Occupancy Sensor Costs and Savings • Initial Cost of Sensors: $4,480 • BG&E 75% Incentive: $1,120 • Cost of Installation: $10,080 • Net Total Cost: $11,200 • Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • Occupancy Sensor Cost and Savings • Initial cost of sensors: $4,480 • BG&E 75% Incentive: $1,120 • Cost of Installation: $10,080 • Net Total Cost: $11,200 • Simple Payback

  20. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion • Recommendations • Ground Source Heat Pump • Reduced energy consumption • Expensive to install • Increased utility costs • Explore other options • Underfloor Air Distribution • Expensive to install • Increased energy consumption • Increased construction time • Explore other options • Lighting Redesign • Less expensive to install • Reduced energy consumption and costs • Implement this design • Occupancy Sensors • Reduced energy consumption and costs • More expensive to install • 8.8 year payback • Implement this design

  21. Presentation Outline • Project Overview • Existing Mechanical System • Proposed Redesign • Ground Source Heat Pump • Underfloor Air Distribution System • Lighting Breadth • Cost and Savings • Recommendations • Conclusion Acknowledgements Architectural Engineering Faculty and Staff Dr. Stephen Treado Adam Seigrist and Mike Luffred of EMC/Eaton Hayes Todd of Holder Construction My Friends and Family Questions?

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