Coppin State University14 April 2010
Delivery Method: Design-Bid-Build
MEP Engineer: H.F. Lenz Company
Building Layout
Direct Expansion Cooling
Administration Wing:
[2] Rooftop Constant Volume Units
Direct Expansion Cooling
Hot Water Heating
AHU-3
AHU-4
AHU-5
Alternatives
Air Source Heat Pumps:
[+] Smaller
Rooftop Air Handling Units Dedicated Outdoor Air Unit
Vertical Loop Analysis
Results
Results
Results
Results
Results
Results
$0.53 per linear foot
Miscellaneous Site Costs Specified by Number of Boreholes
Borehole Driller
Results
Results
Results
Results
Results
Results
Results
Results
Vertical Loop Analysis
Results
[5] ACCU’s= $12,000
Vertical Loop Analysis
Results
[5] ACCU’s= $12,000
Horizontal Loop Analysis
Results
Rooftop Air Handling Units Dedicated Outdoor Air Unit
Horizontal Loop Analysis
Results
Results
Results
[17,925] feet of length required
Horizontal Loop Analysis
Results
Results
Results
Horizontal Loop Analysis
Results
[5] ACCU’s= $12,000
Air Source Heat Pumps
Amanda Cronauer Mechanical Option
Rooftop Air Handling Units Dedicated Outdoor Air Unit
Air Source Heat Pumps
Amanda Cronauer Mechanical Option
Air Source Heat Pumps
Amanda Cronauer Mechanical Option
[5] ACCU’s= $12,000
System Comparison
Air Source Heat Pump= [0.65] years
Final Recommendations
Lowest First Cost:
Questions
Dr. Bahnfleth, Faculty Advisor
Family and Friends for all their support
Fellow AE Students
Jonah, moral support
Sheet1
Calculated Length
Calculated Length
Calculated Length
Sheet1
Calculated Length
Calculated Length
Calculated Length
Calculated
Length
Number of Boreholes
Calculated Length
Calculated Length
Calculated Length
$0$20,000$40,000$60,000$80,000$100,000$120,000$140,000
123
GasElectricity
ASHRAE Baseline As Designed Proposed Redesign 2966.2 3211.1 3318.9 Gas
ASHRAE Baseline As Designed Proposed Redesign 1319.6 918.4 61.2
MBH
Sheet2
Electricity
Gas
Redesign6.15E+031.10E+011.03E+02
Greenhouse Gas Emission Data
ASHRAE Baseline As Designed Proposed Redesign 2966.2 3211.1 3318.9 Gas
ASHRAE Baseline As Designed Proposed Redesign 1319.6 918.4 61.2
Sheet2
Electricity
Gas
ASHRAE Baseline As Designed Proposed Redesign 2966.2 3211.1 3318.9 Gas
ASHRAE Baseline As Designed Proposed Redesign 1319.6 918.4 61.2
Sheet2
Electricity
Gas
$0$20,000$40,000$60,000$80,000$100,000$120,000$140,000
123
GasElectricity
ASHRAE Baseline As Designed Proposed Redesign 2966.2 3211.1 3945.1 Gas
ASHRAE Baseline As Designed Proposed Redesign 1319.6 918.4 80
Sheet2
Electricity
Gas
ASHRAE Baseline As Designed Proposed Redesign 2966.2 3211.1 3945.1 Gas
ASHRAE Baseline As Designed Proposed Redesign 1319.6 918.4 80
MBH
Sheet2
Electricity
Gas
Redesign7.40E+031.31E+011.31E+02
Greenhouse Gas Emission Data
ASHRAE Baseline As Designed Proposed Redesign 2966.2 3211.1 3945.1 Gas
ASHRAE Baseline As Designed Proposed Redesign 1319.6 918.4 80
Sheet2
Electricity
Gas
ASHRAE Baseline As Designed Proposed Redesign 2966.2 3211.1 3945.1 Gas
ASHRAE Baseline As Designed Proposed Redesign 1319.6 918.4 80
Sheet2
Electricity
Gas
$0$20,000$40,000$60,000$80,000$100,000$120,000$140,000
123
GasElectricity
Sheet2
Electricity
Gas
MBH
Sheet2
Electricity
Gas
Redesign1.22E+041.89E+018.82E+02
Greenhouse Gas Emission Data
Sheet2
Electricity
Gas
Sheet2
Electricity
Gas
$87,273 $85,923 $91,792 $106,856 $83,442 $37,556 $26,970 $2,357 $2,908 $19,942
$0$20,000$40,000$60,000$80,000$100,000$120,000$140,000BaselineAs DesignedVertical LoopHorizontal LoopAir SourceGasElectricity
Chart1
Electricity
$87,273
Baseline As Designed Vertical Loop Horizontal Loop Air Source 87273 85923 91792 106856 83442 Gas
Baseline As Designed Vertical Loop Horizontal Loop Air Source 37556 26970 2357 2908 19942
Sheet1
Electricity
Gas
Baseline
87273
37556
124829
Redesign
Chart2
Electricity
ASHRAE Baseline As Designed Vertical Horizontal 2966.2 3211.1 3319 3945.1 Gas
ASHRAE Baseline As Designed Vertical Horizontal 1319.6 918.4 61 80
Sheet2
Electricity
Gas
Chart1
Electricity
$87,273
Baseline As Designed Vertical Loop Horizontal Loop Air Source 87273 85923 91792 106856 83442 Gas
Baseline As Designed Vertical Loop Horizontal Loop Air Source 37556 26970 2357 2908 19942
Sheet1
Electricity
Gas
Baseline
87273
37556
124829
Redesign
Chart2
Electricity
ASHRAE Baseline As Designed Vertical Horizontal 2966.2 3211.1 3319 3945.1 Gas
ASHRAE Baseline As Designed Vertical Horizontal 1319.6 918.4 61 80
Sheet2
Electricity
Gas
Redesign
Chart1
Electricity
$87,273
Baseline As Designed Vertical Loop Horizontal Loop Air Source 87273 85923 91792 106856 83442 Gas
Baseline As Designed Vertical Loop Horizontal Loop Air Source 37556 26970 2357 2908 19942
Sheet1
Electricity
Gas
Baseline
87273
37556
124829
Redesign
Chart2
Electricity
ASHRAE Baseline As Designed Vertical Horizontal Air Source 2966.2 3211.1 3319 3945.1 2440 Gas
ASHRAE Baseline As Designed Vertical Horizontal Air Source 1319.6 918.4 61 80 706
MBH
Sheet2
Electricity
Gas
Greenhouse Gas Emission Data
Chart1
Electricity
$87,273
Baseline As Designed Vertical Loop Horizontal Loop Air Source 87273 85923 91792 106856 83442 Gas
Baseline As Designed Vertical Loop Horizontal Loop Air Source 37556 26970 2357 2908 19942
Sheet1
Electricity
Gas
Baseline
87273
37556
124829
Redesign
Chart2
Electricity
ASHRAE Baseline As Designed Vertical Horizontal Air Source 2966.2 3211.1 3319 3945.1 2440 Gas
ASHRAE Baseline As Designed Vertical Horizontal Air Source 1319.6 918.4 61 80 706
Sheet2
Electricity
Gas