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Name : Broadway Plaza Location : Downtown Rochester, Minnesota Building Size : 29 Stories

Name : Broadway Plaza Location : Downtown Rochester, Minnesota Building Size : 29 Stories Primary Occupancy : Apartment Building Mixed Occupancy : Business/Retail (Floors 1-3). Management Goal / Thesis Goal: Home Away from Home. Lighting Depth Apartment Lobby Pool Skyway

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Name : Broadway Plaza Location : Downtown Rochester, Minnesota Building Size : 29 Stories

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  1. Name: Broadway Plaza Location: Downtown Rochester, Minnesota Building Size: 29 Stories Primary Occupancy: Apartment Building Mixed Occupancy: Business/Retail (Floors 1-3) • Management Goal / Thesis Goal: • Home Away from Home

  2. Lighting Depth • Apartment Lobby • Pool • Skyway • Electrical Depth and Construction Management Breadth • Distribution System Redesign and Analysis • Short Circuit Analysis • Daylighting, Mechanical, and Construction Management Breadth • Daylighting Study • HAP Analysis of Pool Loads • Dimming Cost and Energy Savings • SkyCalc Preliminary Analysis • Exterior Façade • Function Room • Conference Room • Conference Room Comparison Study

  3. Lighting Depth: Spaces Not Being Presented Exterior Facade Skyway Function Room Conference Room

  4. Lighting Redesign: Apartment Lobby • Location: 1st Floor • Function: • Main entrance/Focal point • Casual waiting tasks

  5. Schematic Design Concept • Design Goals • Providing a warm & inviting ambience • Creating focal points • Guiding visitors • Design Criteria • Luminances of Room Surfaces • System Control and Flexibility • Horizontal Illuminance • 10fc ~ General Entrance • 30fc ~ Lounge Work Plane • 50fc ~ Receptionist Desk • Vertical Illuminance • 10fc ~ Receptionist • 5fc ~ General Areas Schematic Design Sketches

  6. WW2 Linear Wall Wash C1 Fluorescent Cyc Light FC1 Fluorescent Cove FP2 Indirect-Direct Linear Pendant SC2 Linear Sconce UC1 Tasklight FD1 CF Downlight Solution: Entry Lighting Plan

  7. SP2 Adjustable Spotlight FP3 Decorative Bowl Pendant L1 Floor Lamp FC1 FluorescentCove Solution: Lounge Lighting Plan

  8. Solution Summary • Energy Savings • 21% below ASHRAE 90.1 • 11% below existing design

  9. Lounge Renderings IESNA: 30 fc Recommendation Design Average: 40 fc

  10. Entry Renderings

  11. Fire Wall Model Study Replication Wall Section

  12. Lighting Redesign: Pool • Location: Northeast Corner of 3rd Floor • Function: • Private Pool and Spa Area

  13. Schematic Design Concept • Design Goals • Relaxed, private, controllable atmosphere created • Safety hazards minimized • Reflected glare minimized • Maintenance simplified • Design Criteria • Daylighting Integration and Control • Uniformity of Light Distribution • Coefficient of Variation ~ 0.3 or less • Horizontal Illuminance • 30 fc ~ Pool Surface (Recreational swimming) • 20 fc ~ 3 ft above the deck Schematic Design Sketches

  14. FP4 Linear IndirectLensed Pendant FD5 CF Lensed Downlight C3,C4 Fiber optic Color-changing Floodlight, 10° tilt Solution: Pool Lighting Plan

  15. Control System Details • Control System • 5 Zones, a-e • Radio frequency control, • no wiring necessary • Zone changes possible • 4 Preset Scenes Integrated Photocell

  16. Solution Summary • Energy Savings • 10% below ASHRAE 90.1 • 10% below existing design

  17. Pool Rendering IESNA: 30 fc Recommendation Design Average: 31 fc Pool

  18. In-pool lighting only Pool Renderings

  19. 208V vs. 480V & 208V Distribution System Analysis • Purpose • Analysis of alternative power distribution system based on first cost and efficiency • In conjunction with the Construction Management Breadth • Existing System • (2) transformers, 2500 kVA-480V Multifunction floors, 1000 kVA-208V Residential • Redesigned System • (1) 3750 kVA-208V Transformer Analysis Method • Reconfiguration and resizing of electrical equipment and system paths • Relocation of equipment (not included) • Cost analysis

  20. 208V Single-Line Diagram

  21. 37% Increase for Redesign Distribution System Cost Analysis • RS Means 2003 Electrical Cost Data (materials & labor) • Location Factor: Rochester, Minnesota • Time Adjustment: 2002 Design • Conclusions • Efficiency, Maintenance, and safety paralleled • First-cost basis ~ Maintain existing power distribution, 480V & 208V

  22. Ebv = Mbv/2 = (E1/2kv * ρb)/2 E1/2kv • Conclusion • Decrease glass area decrease load • Minimal light loss Daylighting Analysis Goals • Increase skywell efficiency • Decrease glass area • Allow dimming Existing Condition

  23. Finalized Redesign Well ~ 40’ X 6’ Splay ~47’ X 14’

  24. Hap Analysis Existing DesignRedesign Existing: 8.6 Tons Redesign: 7.4 Tons • Savings: 1.2 Tons or 86% of original • Energy Savings • No equipment resizing

  25. Alternative Option • Direct switching • Payback~0.5 years Daylighting Analysis Pool Dimming Yearly Savings: $164.17 Dimming vs. Non-Dimming Equipment Cost Difference Time of Payback $400 2.5 years Skyway Dimming Yearly Savings: $246.35 Dimming vs. Non-Dimming Equipment Cost Difference Time of Payback $1820 7.4 years With (11pm-5am) Dimming Considered 5.3 years

  26. Conclusions • Lighting Depth • Creates a “home away from home” welcoming atmosphere • Provides flexibility and easy control for users • Satisfies all goals and design criteria set forth Electrical Depth and CM Breadth • Alternative power distribution system viable • Selection of existing system based on first cost • Daylighting, Mechanical, and CM Breadth • Mechanical energy savings incurred • Electrical energy consumption decreased

  27. THANK YOU Individuals and Companies Mr. Edward Wunderley, Mr. Donald Rimer, and Mr. Jack Grzybek of Burt Hill Mr. Michael Manley of Royal Management & Development Mr. Joseph Crick of Oakwood Broadway Plaza Mr. Andrew Sedlak FacultyPersonal Dr. Richard Mistrick My fiancé, Todd Dr. Martin Moeck My parents, Donald and Janice Professor Kevin Parfitt Lori, AJ, and Aaron Jonathan DoughertyAll of my fellow AE’s Professor Paul Bowers

  28. Lighting Depth: Spaces Not Being Presented Exterior Facade Skyway Function Room Conference Room

  29. Daylighting Analysis • Pool • Continuous dimming over pool • Skyway • Continuous dimming along corridor AGI 32 Software Study • Rochester, MN weather data • 3 Sky Conditions • (5) 2-hour intervals per day

  30. HAP Analysis • Methodology • Proper U-value calculation of surfaces • Lighting Load: 1.0 W/sq.ft. • Occupancy ~ 10 people • Evaporation load of pool (2003 ASHRAE HVAC Applications) • wp = 0.1A(pw - pa)Fa = 2.499 lb/h • Btuh = wp * 45Btu/lb = 112.5 Btuh (latent load) • Where: • pa = saturation pressure at room air dew point • pw = saturation vapor pressure taken at surface water temperature • Fa = 0.65, Condominium Pool Water Temperature = 80 F • Dry Bulb Air Temperature = 78 F % Relative Humidity = 55

  31. 208V Single-Line Diagram

  32. 37% Increase for Redesign Distribution System Cost Analysis • RS Means 2003 Electrical Cost Data (materials & labor) • Location Factor: Rochester, Minnesota • Time Adjustment: 2002 Design • Conclusions • Efficiency, Maintenance, and Safety paralleled • First-cost basis ~ Maintain existing power distribution, 480V & 208V

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