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Straumann USA

Straumann USA. 60 Minuteman Road Andover, MA. Kevin Kaufman Mechanical Option . The Pennsylvania State University Architectural Engineering. Presentation Outline. Existing conditions Design Objectives Mechanical Alternatives Electrical Breadth Construction Breadth

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Straumann USA

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  1. Straumann USA 60 Minuteman Road Andover, MA Kevin Kaufman Mechanical Option The Pennsylvania State University Architectural Engineering

  2. Presentation Outline Existing conditions Design Objectives Mechanical Alternatives Electrical Breadth Construction Breadth Life Cycle Cost Analysis Conclusions Straumann USA • INTRODUCTION • Existing • Conditions • Design • Objectives • Mechanical Alternatives • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  3. Building Background Straumann USA • Introduction • EXISTING • CONDITIONS • Design • Objectives • Mechanical Alternatives • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Manufacturing Area • Manufacturing storage and support areas • Dental training and operatory • Administrative offices Kevin Kaufman Mechanical Option

  4. Original Project Straumann USA • Introduction • EXISTING • CONDITIONS • Design • Objectives • Mechanical Alternatives • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Renovation of 153,000ft2 • Complete airside upgrade • No central plant changes • Construction May 2004 – May 2005 • Cost $10.6 million Kevin Kaufman Mechanical Option

  5. Mechanical Systems Straumann USA • Introduction • EXISTING • CONDITIONS • Design • Objectives • Mechanical Alternatives • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • 9 VAV AHU’s • 1 CAV AHU • 2 natural gas boilers • (11.3 MBH) • 3 centrifugal chillers • (750, 500, 350 tons) • 2 cooling towers • (750, 680 tons) 1st Floor Mezzanine Kevin Kaufman Mechanical Option

  6. Design Objectives Straumann USA • Introduction • Existing • Conditions • DESIGN • OBJECTIVES • Mechanical Alternatives • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Educational experience • Reduce annual energy costs • Provide a lower 20 year LCC Kevin Kaufman Mechanical Option

  7. System Comparisons Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Airside • VAV vs DOAS • Waterside • Chillers • Direct-fire Absorption • Electric Centrifugal • Waterside Free Cooling • Series • Parallel Kevin Kaufman Mechanical Option

  8. VAV System Advantages Single system for ventilation and space cooling Full air side economizing available Lower pumping costs than DOAS Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  9. DOAS System Advantages Reduced fan energy costs Smaller air-handling units require less space and are cheaper Decouples sensible and latent loads Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  10. DOAS Rooftop Unit Zones Reduced from 10 to 8 zones RTU-1 RTU-5 RTU-2 RTU-6 RTU-3 RTU-7 RTU-4 RTU-8 Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  11. DOAS Design Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Radiant panel capacity – 54 Btu/ft2 • Space DPT – 55°F • Water MWT – 56.5°F Radiant Panel (Sterling) • Ventilation rate – ASHRAE 62.1 • Design Temperatures • Winter – 7.7°F • Summer – 90.8°F/73.7°F Kevin Kaufman Mechanical Option

  12. Annual Energy Cost Comparison Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  13. Direct-fire Absorption Chiller Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Reduce electric load and demand • Natural gas available on site • Possibility for simultaneous heating and cooling Absorption Chiller (Carrier) Kevin Kaufman Mechanical Option

  14. Chiller Annual Energy Comparison Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  15. Waterside Free Cooling - Parallel Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Reject heat without a chiller • Must be able to reject entire load Kevin Kaufman Mechanical Option

  16. Waterside Free Cooling - Parallel Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Reject heat without a chiller • Must be able to reject entire load Kevin Kaufman Mechanical Option

  17. Waterside Free Cooling - Parallel Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Reject heat without a chiller • Must be able to reject entire load Kevin Kaufman Mechanical Option

  18. Waterside Free Cooling - Series Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Partially or completely rejects heat from chilled water • Operates more hours than parallel • Requires more complex controls Kevin Kaufman Mechanical Option

  19. Waterside Free Cooling - Series Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Partially or completely rejects heat from chilled water • Operates more hours than parallel • Requires more complex controls Kevin Kaufman Mechanical Option

  20. Waterside Free Cooling - Series Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Partially or completely rejects heat from chilled water • Operates more hours than parallel • Requires more complex controls Kevin Kaufman Mechanical Option

  21. Waterside Free Cooling - Series Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Partially or completely rejects heat from chilled water • Operates more hours than parallel • Requires more complex controls Kevin Kaufman Mechanical Option

  22. Waterside Free Cooling - Results Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  23. Electrical Breadth Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • ELECTRICAL • BREADTH • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  24. Electrical Breadth Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • ELECTRICAL • BREADTH • Construction Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  25. Construction Breadth Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • CONSRUCTION BREADTH • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  26. Construction Breadth Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • CONSRUCTION BREADTH • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  27. Life Cycle Cost Analysis Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • Construction • Breadth • LIFE CYCLE • COST ANALYSIS • Conclusions Kevin Kaufman Mechanical Option

  28. Conclusions Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • Construction • Breadth • Life Cycle • Cost Analysis • CONCLUSIONS • DOAS has a higher initial cost but has a lower annual operating cost and can be paid back in 3.7 years. • Absorption chillers increase annual operating costs. • Series waterside free cooling adds a few additional hours of free cooling but will add more complex controls. Kevin Kaufman Mechanical Option

  29. Acknowledgements Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • Construction • Breadth • Life Cycle • Cost Analysis • Conclusions • AE Department • Mechanical Faculty • Bruce Chappell • William McGee • Paul Petrilli • Straumann USA • Brickstone Companies • Justin Bem • Markus Benzenhofer Questions? Kevin Kaufman Mechanical Option

  30. Chiller Heater Feasibility Straumann USA • Introduction • Existing • Conditions • Design • Objectives • MECHANICAL ALTERNATIVES • Electrical • Breadth • Construction Breadth • Life Cycle • Cost Analysis • Conclusions • Heating requirements: 3222 hrs • Simultaneous heating/cooling available: 733 hrs • Capable of meeting heating load: 507 hrs (16%) Kevin Kaufman Mechanical Option

  31. Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • Construction • Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  32. Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • Construction • Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

  33. Straumann USA • Introduction • Existing • Conditions • Design • Objectives • Mechanical • Alternatives • Electrical • Breadth • Construction • Breadth • Life Cycle • Cost Analysis • Conclusions Kevin Kaufman Mechanical Option

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