1. University of Maryland’s Gossett Field House College Park, MD Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

2. University of Maryland’s Gossett Field House College Park, MD Presentation Outline Project Background Project Background Existing Mechanical System Existing Mechanical System Mechanical Redesign Mechanical Redesign Structural Redesign Structural Redesign Electrical Redesign Electrical Redesign Conclusions & Recommendations Conclusions & Recommendations Acknowledgements Acknowledgements Questions Questions Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

3. University of Maryland’s Gossett Field House College Park, MD Project Team Owner:University of Maryland Owner:University of Maryland Architect:Bignell, Watkins, & Hasser Architect:Bignell, Watkins, & Hasser MEP:Schlenger/Pitz & Associates MEP:Schlenger/Pitz & Associates Structural:The Watkins Partnership Structural:The Watkins Partnership Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

4. University of Maryland’s Gossett Field House College Park, MD Project Information Square Footage: 65,000 SF Square Footage: 65,000 SF Number of Floors: 2 Number of Floors: 2 Existing 1 st Floor: 25,000 SF Existing 1 st Floor: 25,000 SF Existing 2 nd Floor: 15,000 SF Existing 2 nd Floor: 15,000 SF Total Renovated Area: 40,000 SF Total Renovated Area: 40,000 SF 2 nd Floor Addition: 25,000 SF 2 nd Floor Addition: 25,000 SF Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

5. University of Maryland’s Gossett Field House College Park, MD Existing 1 st Floor Spaces Weight Room Weight Room Home/Visitor Locker rooms Home/Visitor Locker rooms Coaches Offices Coaches Offices Trainers Room Trainers Room Existing 2 nd Floor Spaces Additional Support Offices Additional Support Offices Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

6. University of Maryland’s Gossett Field House College Park, MD 2 nd Floor Addition Full Service Kitchen Full Service Kitchen Dining Area with Terrace over looking Byrd Stadium Dining Area with Terrace over looking Byrd Stadium 250 seat Auditorium 250 seat Auditorium Hall of Fame Corridor Hall of Fame Corridor Classroom/Tutor Rooms Classroom/Tutor Rooms Computer Lab Computer Lab Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

7. University of Maryland’s Gossett Field House College Park, MD Existing Air Side System Renovation Section: AHU - 1 – Serves 2 nd floor office space AHU - 1 – Serves 2 nd floor office space AHU – 2 – Serves 1 st floor AHU – 2 – Serves 1 st floor - 100% OA unit with no energy recovery Duct mounted hot water booster coils Duct mounted hot water booster coils Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

8. University of Maryland’s Gossett Field House College Park, MD Existing Air Side System 2 nd Floor Addition Section: Six Packaged Rooftop Units Six Packaged Rooftop Units - 3 CAV Units - 3 VAV Units VAV boxes with hot water reheat coils used as terminal devices VAV boxes with hot water reheat coils used as terminal devices Air flows from 1400 – 10000 cfm Air flows from 1400 – 10000 cfm Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

9. University of Maryland’s Gossett Field House College Park, MD Existing Water Side System Air Cooled Liquid Chiller – 270 tons Air Cooled Liquid Chiller – 270 tons Steam to HW Heat Exchanger – 110 gpm Steam to HW Heat Exchanger – 110 gpm Two Chilled water pumps – 650 gpm, 15 hp Two Chilled water pumps – 650 gpm, 15 hp Four hot water pumps Four hot water pumps - 80 gpm, 1 ½ hp - 25 gpm, ¾ hp Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

10. University of Maryland’s Gossett Field House College Park, MD Mechanical Redesign Convert to Central Plant Operation Convert to Central Plant Operation - Steam/HW Heat - Chilled Water Use Sensible/Latent Energy Recovery Ventilators to Reduce Load on Central Plant Use Sensible/Latent Energy Recovery Ventilators to Reduce Load on Central Plant Use VAV boxes with reheat for all terminal devices Use VAV boxes with reheat for all terminal devices Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

11. University of Maryland’s Gossett Field House College Park, MD Objectives of Redesign Minimize First Cost Difference Minimize First Cost Difference Reduce Annual Operating Costs Reduce Annual Operating Costs Create a more Homogeneous System Create a more Homogeneous System Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University Eliminate Gas Fired Heat Eliminate Gas Fired Heat Make use of Resources Available Make use of Resources Available Minimize impact on other Building Systems Minimize impact on other Building Systems Minimize impact on Steam Plant Minimize impact on Steam Plant

12. University of Maryland’s Gossett Field House College Park, MD Design Load Comparison Existing System Proposed System Total Cooling MBH: 43983215 Total Heating MBH: 44313197 Total Reheat MBH: 13971414 Total Reheat GPM: 106142 Total CFM: 8662577480 Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University

13. University of Maryland’s Gossett Field House College Park, MD First Cost Comparison Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University Existing System Proposed System Air Side Cost: $157,275$205,175 Water Side Cost: $185,325$341,825 Ductwork Cost: - - $128,900 Total First Cost: $342,600$418,100

14. University of Maryland’s Gossett Field House College Park, MD Utility Rates Provided by UMD Facility Manager Utility Rates Provided by UMD Facility Manager Annual Cost Data generated through HAP Analysis Annual Cost Data generated through HAP Analysis Washington, DC used as Simulation City Washington, DC used as Simulation City Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University Existing System Proposed System Annual Cost $51,751$40,782 Electric Rate: $0.65/Kwh Gas Rate: $0.80/therm Steam Rate: $18.00/1000#

15. University of Maryland’s Gossett Field House College Park, MD Total Cost Comparison Life Cycle Cost Calculated over 15 years, using a 5% Interest Rate Life Cycle Cost Calculated over 15 years, using a 5% Interest Rate Proposed System Saves $38,355 Proposed System Saves $38,355 Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University Existing System Proposed System First Cost $342,600$418,100 Life Cycle Cost $537,160$423,305 Total Cost $879,760$841,405

16. University of Maryland’s Gossett Field House College Park, MD Structural Redesign - AHUs No Significant Structural Impact from AHUs No Significant Structural Impact from AHUs Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University Existing System Proposed System AHU-1 18,50018,150 AHU-2 11,75011,000 RAC-1 5,2004,850 RAC-2 600525 RAC-3 5,2004,850 RAC-4 3,0002,750 RAC-5 5,2004,850 RAC-6 1,3001,150

17. University of Maryland’s Gossett Field House College Park, MD Structural Redesign – Cooling Towers At a cost of $595 per ton, steel for cooling towers would cost approx $500. At a cost of $595 per ton, steel for cooling towers would cost approx $500. Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University Ultimate Load (kip/ft): 1.56 Mmax (kip-ft): 28.1 Vmax (kip): 9.36 Selection: 16x31 Beam Pass Shear/Moment? Yes Beam Pass Deflection: Yes

18. University of Maryland’s Gossett Field House College Park, MD Electrical Redesign Original Equipment Removed AHUs AHUs - 480/277 V - 2 – 400 A Panel Boards Water Side Equipment Water Side Equipment - 480/277 V - 1 – 600 A Panel Board Total Load Removed: Total Load Removed: - 670 KVA Jason Borowski Architectural Engineering Mechanical Option Pennsylvania State University Proposed Equipment Added AHUs AHUs - 480/277 V - 1 – 600 A Panel Board Water Side Equipment Water Side Equipment - 480/277 V - 1 – 400 A Panel Board VAV Boxes VAV Boxes - 480/277 V - 4 – 150 A Panel Boards Total Load Added: Total Load Added: - 645 KVA

19. University of Maryland’s Gossett Field House College Park, MD Acknowledgements Richard Naldrett – Schlenger/Pitz & Associates Frank Watkins – Bignell, Watkins & Hasser John Vucci – UMD Facilities Manager AE Faculty and Staff Fellow AE Students Family, Siblings & Girlfriend

20. University of Maryland’s Gossett Field House College Park, MD Questions?