Duke University School of Nursing Final Thesis Presentation Nicholas Kutchi 4|16|08 Advisors: Dr. Houser | Dr. Mistrick | Prof. Dannerth Lighting | Electrical Option Penn State Architectural Engineering Project Information Building Overview Name: Location: Size: Function: Levels: Project Delivery Method: Construction Dates: Cost: Duke University School of Nursing Durham, North Carolina 59,610 SF School of Nursing Administration, Classrooms and Multi-functional Spaces 3 Design-Build March 2005 – August 2006 $14.7M Project Team Owner: Architect: Structural | Civil Engineering: MEP Engineering: Duke University School of Nursing: Final Presentation Duke University Medical School Ayer | Saint | Gross Architects Stewart Engineering Mueller Associates, Inc. Building Location SW Corner Duke University Medical School Campus- Durham, North Carolina Duke University School of Nursing: Final Presentation Presentation Outline Lighting Depth Lobby Auditorium Café Courtyard Electrical Depth Mechanical Breadth Final Remarks Acknowledgements Duke University School of Nursing: Final Presentation Lighting Depth| Overall Design Goal .: Define the Square “Beam” pattern Duke University School of Nursing: Final Presentation Tower Entrance Lobby| Overview Uses .: Main Entrance Architectural Features .: Gothic Tower .: Double High Space Duke University School of Nursing: Final Presentation Tower Entrance Lobby | Design Goals .: Create an inviting space .: Highlight the Floor Emblem .: Add a sense of the Gothic Arch to the space Duke University School of Nursing: Final Presentation Tower Entrance Lobby| Luminaire Layout Duke University School of Nursing: Final Presentation Tower Entrance Lobby|Luminaire Schedule Duke University School of Nursing: Final Presentation Tower Entrance Lobby| Illuminance Levels Average (fc) Lobby Floor 5.5 fc IESNA Recommended Horizontal 5 fc Duke University School of Nursing: Final Presentation Tower Entrance Lobby | Renering Duke University School of Nursing: Final Presentation Auditorium | Overview Uses Lighting Elements : Classroom | Lecture Hall .: Linear Cove Lighting : General Meeting Place Duke University School of Nursing: Final Presentation .: Linear Wallwashing .: Round Downlighting Auditorium | Overview Duke University School of Nursing: Final Presentation Café DUSON| Overview Use Architectural Features .: Wooden Gothic Arches .: Sloped Double High Space .: Integrated Ceiling .: Café .: Study Lounge .: General Meeting Area Supports Duke University School of Nursing: Final Presentation Café DUSON | Design Goals .: Use of light to accentuate Gothic Architecture .: Integrate mechanical and lighting equipment together .: Visually clean space Duke University School of Nursing: Final Presentation Café DUSON| Luminaire Layout Duke University School of Nursing: Final Presentation Café DUSON| Luminaire Schedule Duke University School of Nursing: Final Presentation Café DUSON| Illuminance Levels Average Workplane: 32 fc IESNA Recommended Lounge: 30 fc Duke University School of Nursing: Final Presentation Café DUSON | Rendering Duke University School of Nursing: Final Presentation Electrical Depth | Overview Cost-feasibility studies of installing 1. Energy efficient transformers 2. Central Transformer System Duke University School of Nursing: Final Presentation Electrical Depth | Energy Efficient Transformers TGA TGE TGS T1A Benefits 1. High operation efficiency (>98.6%) 2. Energy Star Compliant Duke University School of Nursing: Final Presentation T2A T3A Electrical Depth | Energy Efficient Transformers Status Quo Energy Efficient TGA : 30 KVA (Dry Type) $4,385 $5,500 TGS : 15 KVA (Dry Type) $3,265 $4,100 TGE : 15 KVA (Dry Type) $3,265 $4,100 T1A: 112.5 KVA (Dry Type) $13,500 $16,800 T2A: 112.5 KVA (Dry Type) $13,500 $16,800 T3A: 112.5 KVA (Dry Type) $13,500 $16,800 Initial Costs: $51,232 $61,478 Summary of Results Payback Period 5.87 years Annual Operating Cost Savings $ 1,746 Life Cycle Operating Cost Savings Over 20 Years $ 76,507 Duke University School of Nursing: Final Presentation Electrical Depth | Energy Efficient Transformers Annual Reduction in Green House Gases 26 tons of C02 Equivalence 5 acres of trees 85 tons of Coal 3 car emissions 205 kg of SO2 4 homes heated 88 kg of NOX Duke University School of Nursing: Final Presentation Based on Results: Highly Recommended Electrical Depth | Central Transformer System Existing System Affected Branches Duke University School of Nursing: Final Presentation Electrical Depth | Central Transformer System Central Transformer New Resized Equipment Equipment System Duke University School of Nursing: Final Presentation Electrical Depth | Central Transformer System Distribution System Central System Transformers $44,702 Panelboards $7,278 Circuit Breakers $15,638 $24,727 Feeders $15,076 $15,993 Total Cost $82,694 $34,620 $10,211 $85,551 Central System Costs an Extra Central Transformer System Is NOT Recommended Duke University School of Nursing: Final Presentation $2,857 Mechanical Breadth | Overview Current Status .: 20” Diameter Double Wall Insulated Round Ducts .: 4” by 48” Linear Slot Diffusers .: No Lights Integrated into The Beams Duke University School of Nursing: Final Presentation Mechanical Breadth | Solution Proposed Change .: 1” Double Wall Insulated 16” by 20” Rectangular Duct .: 12” by 36” Linear Slot Diffusers .: 11” Diameter by 6” high CMH Downlights .: Integrated Lights and Mechanical Ductwork Duke University School of Nursing: Final Presentation Mechanical Breadth | Detail Drawing Duke University School of Nursing: Final Presentation Mechanical Breadth| Cost Analysis Cost/L.F. 20” Round Duct Linear Ft (l.f.) $27.70 Cost/lbs 16x20 Rectangular Duct $7.31 22 Wt-lbs 198 Total Cost $609 Total Cost $1,447 Rectangular Duct System Cost an Extra $838 Mechanical Change Is Recommended to improve room aesthetics Duke University School of Nursing: Final Presentation Final Remarks Lighting Depth - Solutions achieve recommended light levels for appropriate visual tasks - The goal of a simple design that unites all the spaces was acomplished Electrical Depth - Energy efficient transformers equate to not only energy cost savings but also benefit the environment - A central transformer system may work for another building electrical system Mechanical Breadth -Makes the space More aesthetically pleasing Duke University School of Nursing: Final Presentation AGI Walkthrough Duke University School of Nursing: Final Presentation Acknowledgements Companies Mueller Associates, Inc. Ayer | Saint | Gross Architects Duke University Medical Center | Health System Individuals Mr. Yancy Unger Ms. Karen Schulte Mueller Associates, Inc. Mueller Associates, Inc. Mr. Earl Purdue Ms. Anne Jenkins Mr. Gregory Warwick Ms. Reba Wagner ASG Architects ASG Architects DUMC DUMC Penn State Faculty and Staff Dr. Houser Dr. Mistrick Prof. Dannerth Prof. Parfitt Prof. Holland Mr. Corey Wilkinson Additionally I would like to thank my family and friends for all their support Duke University School of Nursing: Final Presentation | Questions ? | Duke University School of Nursing: Final Presentation