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David Anderson Mechanical Option
Clemson University’s Advance Material Research Laboratory David Anderson Mechanical Option
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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
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Clemson University’s Advance Material Research Laboratory
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 $18.5 Million Completed July 2004 Photo from Google Earth Photo from Google Earth Design-Bid-Build Location: Anderson, South Carolina
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Clemson University’s Advance Material Research Laboratory
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 Offices Laboratory Support Shared Spaces/Circulation Laboratories Support/Services
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Clemson University’s Advance Material Research Laboratory
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) 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 24” x 48” Fluorescent Fixtures T8 and T5 Lamps Quad Compact Fluorescents
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Clemson University’s Advance Material Research Laboratory
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 (2) Cooling Towers 375 Ton, 1,125 gpm (3) Chillers 266.6 Ton, 750 gpm (3) Energy Recovery Coils
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Clemson University’s Advance Material Research Laboratory
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 Design: Total Heat Recovery Incorporated Sensible Load Met by Chilled Beams
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Clemson University’s Advance Material Research Laboratory
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
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Advance Material Research Laboratory DOAS Chilled Beams Chilled Beams
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 W/m2 (7.06 W/ft2) Enthalpy Wheel Selection: Xetex AIRotor 2500 Contamination? Purged Enthalpy Wheel Maintance Ventilation Piping Acoustics Coordination Presentation Agenda Building Background Existing Conditions Mechanical Redesign DOAS/Chilled Beams Lighting Redesign Construction Effects Conclusions Acknowledgements Questions
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Clemson University’s Advance Material Research Laboratory
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 Existing Components Clemson AMRL ($) Air System Fans 1,379,405 Cooling 925,442 Heating 7,019 Pumps 88,394 Cooling Tower Fans 932,159 HVAC Sub-Total 3,332,418 Lights 2,389,184 Electric Equipment 3,016,649 Non-HVAC Sub-Total 5,405,833 Grand Total 8,738,251 Proposed Components Clemson AMRL ($) Air System Fans 69,342 Cooling 229,434 Heating 3,354 Pumps 169,355 Cooling Tower Fans 115,958 HVAC Sub-Total 587,444 Lights 2,378,390 Electric Equipment 3,003,020 Non-HVAC Sub-Total 5,381,410 Grand Total 5,968,853 AHU # Original SA(cfm) Design OA(cfm) DOAS Resized OA (cfm) 1 4000 1800 594 2 4500 3 5700 4 5200 5 6300 2079 6 5800 5550 1832 7 5000 400 132 33% Reduction 32% Reduction Totals 85000 31150 10280 DOAS Ventilation Air Based On 20 scfm/person
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Clemson University’s Advance Material Research Laboratory
Lighting Redesign Lighting Redesign ASHRAE Standard 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. Proposal: Remove 40 Watt T8 Install 32 Watt T5 Design Lumens/Lamp Lumens/L’aire Watts Existing 2850 8550 41,155 Proposed 2950 8850 34,243 Proposed: 1.06—1.56 W/sq.ft
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Clemson University’s Advance Material Research Laboratory
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
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Clemson University’s Advance Material Research Laboratory
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 System Existing CAV/VAV Proposed DOAS/ Chilled Beams Initial Cost $3,024,000 $5,658,000 Yearly Cost $8,738,251 $5,968,853 Total First Year Cost $11,762,251 $11,626,853 47% 32%
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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 Questions?
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