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Clemson University’s Advance Material Research Laboratory David Anderson Mechanical Option 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 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 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 Building Background Project Team Owner: Architecture Firm: Contractor: Landscape Architect: Interior Designer: $18.5 Million Clemson University IDC Architects Manhattan Construction Arbor Engineering IDC Architects Completed July 2004 Design-Bid-Build First LEED Certified Facility In South Carolina LEED SILVER Photo from Google Earth Photo from Google Earth Location: Anderson, South Carolina 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 Building Background Location: Anderson, South Carolina Occupant: Clemson University Size: 111, 270 sq. ft. Occupancy: Offices Research Laboratories Clean Rooms Conferencing Laboratory Support Offices Shared Spaces/Circulation Laboratories Support/Services 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 Existing Conditions Electrical: Existing Conditions Structural: •(1) 2500kVA Transformer •(5) 30-112 kVa Transformers •Steel Construction •300 kW Diesel Fired Stand-By Generator •Concrete Slabs Lighting: •24” x 48” Fluorescent Fixtures •T8 and T5 Lamps •Quad Compact Fluorescents •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 Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Existing Conditions Mechanical: •(15) AHU’s •(3) serve VAV Boxes Existing Conditions Mechanical: •(2) Gas Fired Boilers •3,348 MBH each •(4) MAH’s •(2) Cooling Towers •375 Ton, 1,125 gpm •(3) Chillers •266.6 Ton, 750 gpm •(1) Electric Boiler •4,094 MBH •(3) Energy Recovery Coils 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 Mechanical Redesign Goals and Objectives: Optimize Ventilation and Reduce Energy Proposal: •Replace CAV/VAV system •Incorporate Dedicated Outdoor Air System (DOAS) with Integrated Active Chilled Beams Design: •Total Heat Recovery Incorporated •Sensible Load Met by Chilled Beams Mechanical Redesign Justification: •Smaller Equipment Sizes, Reduction of Costs •Life Cycle Cost Reduced •More Economical for Laboratories Clemson University’s Advance Material Research Laboratory Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS Existing Conditions: Anderson, South Carolina Outdoor Design DB: 93°F Summer 19°F Winter Indoor Design DB: RH: DPT: 74°F 50% 54°F DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions DOAS DOAS Configuration 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 DOAS Chilled Beams Chilled Beams Selection of Chilled Beams Enthalpy Wheel Selection: Xetex AIRotor 2500 Contamination? Purged Enthalpy Wheel •Maintance Building’s Total Sensible Load: Qtotal•Ventilation = 1,139,294 Btu/h Sensible Load Achieved by DOAS •Piping QDOAS= 97,824 Btu/h •Acoustics Sensible Load To Be Met by Chilled Beams QBeams= 1,041,469 Btu/h •Coordination 788 Active Chilled Beams -TROX—DID300@76 W/m2 (7.06 W/ft2) 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 DOAS/Chilled Beams DOAS/Chilled Beams AHU Resizing Annual Cost and Equipment Break Down Existing Components Clemson AMRL ($) Proposed Components Clemson AMRL ($) AHU # Original SA(cfm) Design OA(cfm) DOAS Resized OA (cfm) 1 4000 1800 594 Cooling 925,442 Cooling 229,434 2 4500 1800 594 Heating 7,019 Heating 3,354 3 5700 1800 594 4 5200 1800 33% Pumps 88,394 Pumps 169,355 5 6300 6300 2079 Cooling Tower Fans Cooling Tower Fans 115,958 6 5800 5550 1832 HVAC Sub-Total 3,332,418 HVAC Sub-Total 587,444 7 5000 400 132 Lights 2,389,184 Lights 2,378,390 Electric Equipment 32% Reduction 3,016,649 Electric Equipment 3,003,020 Non-HVAC SubTotal 5,405,833 Non-HVAC SubTotal 5,381,410 Grand Total 8,738,251 Grand Total 5,968,853 Totals 85000 31150 594 Reduction 10280 DOAS Ventilation Air Based On 20 scfm/person Air System Fans 1,379,405 932,159 Air System Fans 69,342 Clemson University’s Advance Material Research Laboratory Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign ASHRAE Standard 90.1-2004 •Office Buildings Lighting Redesign Conclusions: •High Efficient T5 •Less Wattage •Outputs Similar Clemson University’s AMRL •1.32—1.95 W/ sq. ft. 20% Reduction Lighting Redesign Construction Effects Conclusions Acknowledgements Questions Proposal: •Remove 40 Watt T8 •Install 32 Watt T5 Proposed: 1.06—1.56 W/sq.ft Design Lumens/Lamp Lumens/L’aire Watts Existing 2850 8550 41,155 Proposed 2950 8850 34,243 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 Construction Effects Mechanical System First Costs: Existing System: •Total Cost: $3,024,000 Construction Effects •Schedule Impacts •Labor •Ductwork Proposed System: •Beam Cost: $2,764,000 •Equipment/Labor: $2,894,160 •Total Cost: $5,658,000 $2,634,000 Increase in First Cost •System Sizes •Pumps 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 Conclusions Acknowledgements Overall Costs: •My Family and Friends System Existing CAV/VAV Proposed DOAS/ Chilled Beams Initial Cost $3,024,000 $5,658,000 47% Yearly Cost $8,738,251 $5,968,853 32% Total First Year Cost $11,762,251 $11,626,853 •Faculty and Staff of AE •Clemson University •IDC Architects 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
