appell life sciences york college of pennsylvania joshua martz | dr. srebric | april 11, 2011 image...
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APPELL LIFE SCIENCESYork College of Pennsylvania
Joshua Martz | Dr. Srebric | April 11, 2011
Image Courtesy of RLPS, Ltd.
Project Background
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline
Project Team:Owner: York College of PennsylvaniaArchitect: RLPS, Ltd.CM: Kinsley Construction Structural: Macintosh EngineeringCivil: LSC Design, Inc.MEP: JDB Engineering
Project InformationSize: 102,000 SFLocation: York, PaCost: $16 millionStories: 3/BasementConstruction Date: January 2010-August 2011Delivery Method: D-B-B/CM gives GMP Site Plan
Building Layout
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline Life Sciences Building
Basement
First Floor
Classroom/Laboratory
Mechanical/Electrical
Office Spaces
Stairs
Building Layout
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline Life Sciences Building
Second Floor Third Floor
Stairs
Mechanical/Electrical
Classroom/Laboratory
Office Spaces
Building Layout
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline Greenhouse Building
Basement First Floor Second Floor
Stairs
Mechanical/Electrical
Classroom/Laboratory
Office Spaces
Greenhouses
Existing Mechanical Summary
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline
Mechanical Equipment Summary 1 400 Ton Chiller 3 Gas-fired Boilers 2 Cooling Towers Chilled/Hot/Condenser Water Pumps 5 Air Handling Units Fan Coil Units VAV Boxes
Office Spaces AHU-1 and AHU-3 VAV Boxes
AHU-1 (1st Floor)
AHU-3 (3rd Floor)AHU-3 (2nd Floor)
Existing Mechanical Summary
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline
Classroom/Laboratory Spaces AHU-2, AHU-4, AHU-5
Pre-treated Outdoor Air Fan Coil Units
AHU-2 (1st Floor) AHU-5 (3rd Floor)
AHU-4 (2nd Floor)
Existing Mechanical Summary
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline
Greenhouse Building Labs
Fan Coil Units (Direct Outdoor Air) Other Spaces
Direct Outdoor Air Greenhouses
Evaporative Coolers, Natural Ventilation Wall Insert Heaters/Horizontal Unit
Heaters
Basement (FCUs) 1st Floor (FCUs)
2nd Floor (WIHs)
Design Objectives
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline
Improve System Performance Energy Consumption Total System Cost Emissions
Comparison of Proposed System Performance
Ground Source Heat Pumps
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Outline
Systems to be replaced: Cooling:
Chiller Cooling Towers Chilled Water Pumps Sump Tank
Heating: Boilers Hot Water Pumps
Borehole SizingOutline Design Information
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Chapter 32: 2007 AHSRAE Handbook-HVAC Applications
Borehole OptimizationOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Assumptions:Pipe: 1-1/4” High Density Polyethylene (HDPE)
$0.69/ft (40 ft lengths) Welding
$4.79/weld $40.25/day per machine
Grout: Cooling: $2,775 Heating: $3,125
Cooling:
Heating:
Borehole OptimizationOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Results
70 Boreholes 212 ft per Borehole $64,673 Total Installation Cost
80 Boreholes 212 ft per Borehole $67,854 Total Installation Cost
Construction ScheduleOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Cooling: Heating:
Life Cycle CostOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Cooling:
20 Year Equipment Lifetime $246,673 First Cost $58,330/year Energy Cost $10,200/year Maintenance Cost
Based off $0.10/SF
Life Cycle Cost: $1,104,478
Heating:
20 Year Equipment Lifetime $221,904 First Cost $30,456/year Energy Cost $10,200/year Maintenance Cost
Based off $0.10/SF
Life Cycle Cost: $724,799
Borehole LayoutOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Cooling: (layout of pipes per AHU) Heating: (layout of pipes per AHU)
Pump SelectionOutline
Ground Source Heat Pumps Sized by sensible load required
Circulation (Supply) Pumps Sized by gpm required and head loss 3 gpm/ton Head loss calculated from longest run
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Pump CurvesOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Pumping Schematic
Energy Usage and CostOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Electrical Energy Consumption (GSHP Cooling)
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Cooling: Heating:
Cost/Month of Electrical Energy (GSHP Cooling)
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Electrical Energy Consumption (GSHP Heating)
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Electrical Energy
Cost/Month of Electrical Energy (GSHP Heating)
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Co
st (
$)
Cost/Month
Chilled BeamsOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Advantages Low Operating Cost High-Efficiency Low Maintenance Low Amount of Noise Reduce Supply Air
Disadvantages Not Great at Heating Spaces/Supplementary
Heating Not Well Known Systems Formation of Condensation on Unit
Energy ConsumptionOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Chilled Beam Amount
Life Cycle CostOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
20 Year Equipment Lifetime $297,686 First Cost $13,344/year Energy Cost $10,200/year Maintenance Cost
Based off $0.10/SF
Life Cycle Cost: $587,328
Run-around Coil SystemOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Advantages Airstreams not Adjacent Relatively Space Efficient Heating/Cooling Equipment Size Reduced No Cross-contamination between Airstreams
Disadvantages Adds to First Cost Adds pump, piping, expansion tank Airstreams must be clean/Filtration Required
Energy ConsumptionOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Ground Source Heat PumpsOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
As Designed
Energy Consumption/MonthOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Energy Consumption Comparison
050000
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1 2 3 4 5 6 7 8 9 10 11 12
Month
En
erg
y C
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on
(k
Wh
) As Designed
GSHP Cooling
GSHP Heating
Energy Cost/Month
Energy Cost Comparison
$0
$5,000
$10,000
$15,000
$20,000
$25,000
$30,000
$35,000
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Month
En
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ost
($)
As Designed
GSHP Cooling
GSHP Heating
Annual Energy Cost SavingsOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
GSHP Cooling Savings: $137,495/year Includes Chilled Beams
GSHP Heating Savings: $78,436/year Includes Chilled Beams
Simple Payback
Annual EmissionsOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
GSHP Cooling: As Designed:
Final RecommendationsOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Energy Consumption and Cost Savings Cooling GSHP System
Lowest First Cost Heating GSHP System
Lowest EmissionsCooling GSHP System
Chilled Beams vs. Fan Coil UnitsChilled Beams
Run-around Coil vs. Heat WheelHeat Wheel
AcknowledgementsOutline
PROJECT BACKGROUNDEXISTING MECHANICAL SUMMARYDESIGN OBJECTIVESGROUND SOURCE HEAT PUMPS
CONSTRUCTION MANAGEMENT BREADTHCHILLED BEAMS
RUN-AROUND COIL SYSTEMSYSTEM COMPARISONACKNOWLEDGEMENTS
Penn State University AE Faculty and Staff Dr. Srebric, Thesis Advisor Thomas Leary, P.E.; JDB Engineering Family and Friends
QUESTIONS?
Joshua Martz | Dr. Srebric | April 11, 2011
Image Courtesy of RLPS, Ltd.