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Redesigning Mechanical Systems for Clemson University’s Advance Material Research Laboratory

This presentation discusses the redesign of mechanical systems, including Dedicated Outdoor Air System (DOAS) with integrated active chilled beams, for Clemson University’s Advance Material Research Laboratory. The goal is to optimize ventilation and reduce energy consumption. The presentation also covers existing conditions, construction effects, and conclusions.

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Redesigning Mechanical Systems for Clemson University’s Advance Material Research Laboratory

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  1. David AndersonMechanical Option Clemson University’s Advance Material Research Laboratory

  2. Clemson University’s Advance Material Research Laboratory Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Clemson University’s Advance Material Research Laboratory

  3. Building Background Project Team Owner: Clemson University Architecture Firm: IDC Architects Contractor: Manhattan Construction Landscape Architect: Arbor Engineering Interior Designer: IDC Architects First LEED Certified Facility In South Carolina Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions LEED SILVER Clemson University’s Advance Material Research Laboratory Photo from Google Earth $18.5 Million Completed July 2004 Photo from Google Earth Design-Bid-Build Location: Anderson, South Carolina

  4. Building Background Location: Anderson, South Carolina Occupant: Clemson University Size: 111, 270 sq. ft. Occupancy: Offices Research Laboratories Clean Rooms Conferencing Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Clemson University’s Advance Material Research Laboratory Offices Laboratory Support Shared Spaces/Circulation Laboratories Support/Services

  5. Existing Conditions Existing Conditions Electrical: Structural: Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions • (1) 2500kVA Transformer • (5) 30-112 kVa Transformers • Steel Construction • Concrete Slabs • 300 kW Diesel Fired Stand-By Generator Lighting: • Ground: 5” Slab On Grade • 4x4 Welded Wire Fabric • #4 Bars In Pits and Recesses • Elevated Floors: 2-1/2” Slab • 1-1/2” Deck Clemson University’s Advance Material Research Laboratory • 24” x 48” Fluorescent Fixtures • T8 and T5 Lamps • Quad Compact Fluorescents

  6. Existing Conditions Existing Conditions Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Mechanical: Mechanical: • (15) AHU’s • (3) serve VAV Boxes • (2) Gas Fired Boilers • 3,348 MBH each • (4) MAH’s • (1) Electric Boiler • 4,094 MBH Clemson University’s Advance Material Research Laboratory • (2) Cooling Towers • 375 Ton, 1,125 gpm • (3) Energy Recovery Coils • (3) Chillers • 266.6 Ton, 750 gpm

  7. Mechanical Redesign Mechanical Redesign Goals and Objectives: Optimize Ventilation and Reduce Energy • Justification: • Smaller Equipment Sizes, Reduction of Costs • Life Cycle Cost Reduced • More Economical for Laboratories Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions • Proposal: • Replace CAV/VAV system • Incorporate Dedicated Outdoor Air System (DOAS) with Integrated Active Chilled Beams Clemson University’s Advance Material Research Laboratory • Design: • Total Heat Recovery Incorporated • Sensible Load Met by Chilled Beams

  8. DOAS DOAS DOAS Configuration Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Existing Conditions: Anderson, South Carolina Outdoor Design DB: 93°F Summer 19°F Winter Indoor Design DB: 74°F RH: 50% DPT: 54°F Clemson University’s Advance Material Research Laboratory

  9. Clemson University’s Advance Material Research Laboratory DOAS Chilled Beams Chilled Beams Selection of Chilled Beams Building’s Total Sensible Load: Qtotal= 1,139,294 Btu/h Sensible Load Achieved by DOAS QDOAS= 97,824 Btu/h Sensible Load To Be Met by Chilled Beams QBeams= 1,041,469 Btu/h 788 Active Chilled Beams -TROX—DID300@76 W/m2 (7.06 W/ft2) • Maintance • Ventilation • Piping • Acoustics • Coordination Enthalpy Wheel Selection: Xetex AIRotor 2500 Contamination? Purged Enthalpy Wheel Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions

  10. DOAS/Chilled Beams DOAS/Chilled Beams AHU Resizing Annual Cost and Equipment Break Down Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions 33% Reduction Clemson University’s Advance Material Research Laboratory 32% Reduction DOAS Ventilation Air Based On 20 scfm/person

  11. Lighting Redesign Lighting Redesign • ASHRAE Standard 90.1-2004 • Office Buildings • Conclusions: • High Efficient T5 • Less Wattage • Outputs Similar Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions 20% Reduction • Clemson University’s AMRL • 1.32—1.95 W/ sq. ft. Clemson University’s Advance Material Research Laboratory • Proposal: • Remove 40 Watt T8 • Install 32 Watt T5 • Proposed: • 1.06—1.56 W/sq.ft

  12. Construction Effects Construction Effects • Schedule Impacts • Labor • Ductwork • System Sizes • Pumps • Mechanical System First Costs: • Existing System: • Total Cost: $3,024,000 • Proposed System: • Beam Cost: $2,764,000 • Equipment/Labor: $2,894,160 • Total Cost: $5,658,000 • $2,634,000 Increase in First Cost Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Clemson University’s Advance Material Research Laboratory

  13. Conclusions Acknowledgements $135,398 Year 1 • My Family and Friends • Faculty and Staff of AE • Clemson University • IDC Architects • Overall Costs: Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions 47% Clemson University’s Advance Material Research Laboratory 32%

  14. Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Questions? Clemson University’s Advance Material Research Laboratory

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