Download - David Anderson Mechanical Option
David AndersonMechanical Option
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
Clemson University’s Advance Material Research Laboratory
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions Photo from Google Earth
Building Background
Project Team
Owner: Clemson UniversityArchitecture Firm: IDC ArchitectsContractor: Manhattan ConstructionLandscape Architect: Arbor EngineeringInterior Designer: IDC Architects
Location: Anderson, South Carolina
Clemson University’s Advance Material Research Laboratory
$18.5 Million Completed July 2004
Design-Bid-Build
Photo from Google Earth
First LEED Certified Facility First LEED Certified Facility In South CarolinaIn South Carolina
LEED SILVERLEED SILVER
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
Building Background
Location: Anderson, South Carolina
Occupant: Clemson University
Size: 111, 270 sq. ft.
Occupancy: OfficesResearch LaboratoriesClean RoomsConferencing
Clemson University’s Advance Material Research Laboratory
Laboratory Support
Shared Spaces/Circulation
Support/Services
Offices
Laboratories
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding Background
Existing ConditionsMechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
Existing Conditions
Electrical:
•(1) 2500kVA Transformer •(5) 30-112 kVa Transformers
•300 kW Diesel Fired Stand-By Generator
•24” x 48” Fluorescent Fixtures
Lighting:
•T8 and T5 Lamps
•Quad Compact Fluorescents
Structural:
•Steel Construction
•Concrete Slabs
•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
Existing Conditions
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding Background
Existing ConditionsMechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
Existing Conditions Existing Conditions
Mechanical:•(15) AHU’s
•(3) serve VAV Boxes
•(2) Cooling Towers•375 Ton, 1,125 gpm
•(3) Chillers•266.6 Ton, 750 gpm
•(2) Gas Fired Boilers•3,348 MBH each
•(1) Electric Boiler•4,094 MBH
•(3) Energy Recovery Coils
Mechanical:
•(4) MAH’s
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
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
Justification:
•Smaller Equipment Sizes, Reduction of Costs
•Life Cycle Cost Reduced
•More Economical for LaboratoriesDesign:
•Total Heat Recovery Incorporated
•Sensible Load Met by Chilled Beams
Mechanical Redesign
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled Beams
Lighting RedesignConstruction Effects
ConclusionsAcknowledgements
Questions
DOAS
Existing Conditions:Anderson, South Carolina
Outdoor Design DB: 93°F Summer19°F Winter
Indoor Design DB: 74°F RH: 50% DPT: 54°F
DOAS
DOAS Configuration
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical Redesign
DOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
DOAS
Enthalpy Wheel Selection:Xetex AIRotor 2500
Contamination?
Purged Enthalpy Wheel
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)
Chilled BeamsChilled Beams
•Maintance
•Ventilation
•Piping
•Acoustics
•Coordination
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical Redesign
DOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
DOAS/Chilled Beams DOAS/Chilled Beams
AHU Resizing Annual Cost and Equipment Break Down
AHU #Original SA(cfm)
Design OA(cfm) DOAS Resized OA (cfm)
1 4000 1800 594
2 4500 1800 594
3 5700 1800 594
4 5200 1800 594
5 6300 6300 2079
6 5800 5550 1832
7 5000 400 132
33% Reduction
Totals 85000 31150 10280
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
32% Reduction
DOAS Ventilation Air Based On 20 scfm/person
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled Beams
Lighting RedesignConstruction Effects
ConclusionsAcknowledgements
Questions
Lighting RedesignLighting Redesign
ASHRAE Standard 90.1-2004•Office Buildings
Clemson University’s AMRL•1.32—1.95 W/ sq. ft.
Proposal:•Remove 40 Watt T8•Install 32 Watt T5
Conclusions:
•High Efficient T5•Less Wattage•Outputs Similar
20% Reduction
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 AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
AcknowledgementsQuestions
Construction Effects Construction Effects
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
•Schedule Impacts
•Labor
•Ductwork
•System Sizes
•Pumps
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction Effects
ConclusionsAcknowledgements
Questions
Conclusions Acknowledgements
Overall Costs:
SystemExisting
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%
$135,398
Year 1
•My Family and Friends
•Faculty and Staff of AE
•Clemson University
•IDC Architects
Clemson University’s Advance Material Research Laboratory
Presentation AgendaBuilding BackgroundExisting Conditions
Mechanical RedesignDOAS/Chilled BeamsLighting Redesign
Construction EffectsConclusions
Acknowledgements
Questions