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National Institutes of Health Building 37 Modernization

National Institutes of Health Building 37 Modernization. Katie L. McGimpsey Mechanical Option The Pennsylvania State University Department of Architectural Engineering Spring 2005 Thesis. Presentation Outline. General Project Information Project Team Existing Conditions Redesign Goals

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National Institutes of Health Building 37 Modernization

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  1. National Institutes of HealthBuilding 37 Modernization Katie L. McGimpsey Mechanical Option The Pennsylvania State University Department of Architectural Engineering Spring 2005 Thesis

  2. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  3. General Project Information • Located in Bethesda, Maryland on the National Institutes of Health (NIH) campus • Began modernization phases in 1997 • $82.8 million NIH Building 37 Modernization Spring 2005

  4. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  5. Project Team • Owners: • National Institutes of Health (NIH) • National Cancer Institute (NCI) • Architects: • FLAD & Associates, Inc. • Louviere, Stratton & Yokel (LSY) • Engineers: • AEPA Architects & Engineers, P.C. • Affiliated Engineers, Inc. (MEP) • James Posey Associates, Inc. (Consulting Engineers) • Aerosol Monitoring & Analysis (Environmental) • Rathgeber/Goss Associates (Structural) • JBG Engineers (Audiovisual) • General Contractor: • Whiting Turner • CM: • Smith Management Construction, Inc. NIH Building 37 Modernization Spring 2005

  6. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  7. Existing Conditions • Architectural Features • Two circulation towers • Four utility corridors • Architectural Design • 21,889 m2 (235,613 ft2) • 6 stories above grade • Offices & laboratories • Mechanical penthouse NIH Building 37 Modernization Spring 2005

  8. Electrical/Lighting Underground duct system from Bldg 36 Main distribution: 4000A, 480Y/277V, 3-phase, 4-wire Transformers: (3) 2500kVA, 13.8kV to 480Y/277V, 3-phase, 4-wire Fluorescent light fixtures: RF suppression ballasts Laboratory lighting density = 2.5 W/m2 Existing Conditions NIH Building 37 Modernization Spring 2005

  9. Existing Conditions • Structural • Steel column grid matrix • Pre-cast concrete panels • Pre-tensioned concrete floor slabs • Roof System • Concrete slab on metal roof deck • Roof drains NIH Building 37 Modernization Spring 2005

  10. Mechanical (8) 100% OA AHUs supplying to a zoned VAV system Approximately 28,000-29,000 L/s (59,000-61,000 cfm) (8) Fume exhaust fans 32,000 L/s (68,000 cfm) District heating/cooling Chilled water: 6ºC, (3) constant speed tertiary pumps Steam: 20,000 lbs/hr, 165 psi Fire Protection Passive System Corridors: 1 hour fire rating Independent risers for fume hoods Active System Zoned automatic sprinkler system Existing Conditions NIH Building 37 Modernization Spring 2005

  11. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  12. Redesign Goals • Mechanical • Energy Efficient • Decreased Cooling Load • Cost Savings • State-of-the-Art Laboratory and Research Facility • Solar • Decrease Peak Electrical Load • Cost Efficient • Structural • Support Additional Loads of New Equipment NIH Building 37 Modernization Spring 2005

  13. Redesign Goals • Mechanical Design Conditions NIH Building 37 Modernization Spring 2005

  14. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  15. Mechanical Redesign • Passive Desiccant Dehumidification – Energy Recovery • Cross-contamination concerns with fume hoods • Based on SEMCO model: EXCLU-SIEVE 3 Ǻ molecular sieve desiccant coating NIH Building 37 Modernization Spring 2005

  16. Mechanical Redesign • SEMCO EXCLU-SIEVE TE3-70 Model NIH Building 37 Modernization Spring 2005

  17. Mechanical Redesign Performance Data Velocity: 900 fpm Wheel efficiency: 76% Pressure drop: 0.94 in. wg Wheel model size: 70 Airflow rate: 29,900 L/s (63,360 cfm) Unit Dimensions Net weight: 4680 lbs Flow area/side: 70.4 ft2 Nominal airflow: 26,500 L/s (56,000 cfm) C = 89.4 in B = 79.1 in W = 23.0 in A = 171.5 in D = 84.3 in NIH Building 37 Modernization Spring 2005

  18. Mechanical Redesign NIH Building 37 Modernization Spring 2005

  19. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  20. Solar Analysis • Photovoltaic (PV) Solar Cells • Converts solar radiation into electric power • Feasibility • 4-5kWh/m2/day • Peak Electric Load • 5,846,644 kWh • BP Solar 4160 S • 62.7”x31.1” • 2480 modules • 512,216 kWh NIH Building 37 Modernization Spring 2005

  21. Solar Analysis Total Initial Costs = $3,424,712 2.1 years NIH Building 37 Modernization Spring 2005

  22. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  23. Structural Impact Analysis • Increased Loading • ASCE 7-98 • Roof Live Load (Lr=20R1R2=16 psf) • Reduction in Live Load • LRFD • Member sizing (Columns and Composite Beams) NIH Building 37 Modernization Spring 2005

  24. Structural Impact Analysis Roof Design Non-composite 1.3C24 with t=3.3” LW concrete slab Column Design W12x26 Composite Beam Mechanical Floor Design 253 kips 203kips 516 kips 413 kips 165N4k Joist Girder 778 kips 623 kips Composite 3VLI17 with t=6.5” NW concrete slabs 1040 kips 833 kips 16K2 Joists with 2 Rows Bridging NIH Building 37 Modernization Spring 2005

  25. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  26. Conclusions • Recommendations NIH Building 37 Modernization Spring 2005

  27. Presentation Outline • General Project Information • Project Team • Existing Conditions • Redesign Goals • Mechanical Redesign • Solar Analysis • Structural Analysis • Conclusions • Acknowledgements • Questions NIH Building 37 Modernization Spring 2005

  28. Acknowledgements • Special Thanks to… • The AE Department, Staff & Faculty • AEI sponsor: Michael Soong • LSY sponsors: James Louviere and Christine Ward • Smith Management sponsor: Randy Baer • Mechanical Professors, especially Dr. Jim Freihaut • My Family and Friends • AE Class of 2005 NIH Building 37 Modernization Spring 2005

  29. Questions NIH Building 37 Modernization Spring 2005

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