Harley-Davidson Museum Milwaukee, WI. Jonathan Rumbaugh, BAE/MAE Mechanical Option Advisor: Dr. William Bahnfleth
P ROJECT S PONSORS
P RESENTATION O UTLINE Project Background Existing Conditions Thesis Goals Structural Breadth: Thermal Bridging Mechanical Depth: Air vs. Water Electrical Breadth CHP Feasibility Conclusion Jonathan RumbaughHarley-Davidson MuseumMechanical Option P ROJECT S PONSORS
P ROJECT B ACKGROUND Jonathan RumbaughHarley-Davidson MuseumMechanical Option Project Background Building Statistics Location & Layout Existing Conditions Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion Size (Total Square Feet): 130,000 Number Stories Above grade: 3 Construction timeline : April 2005 – May 2008 Overall Project Cost: $75 million B UILDING S TATISTICS Guggenheim by Frank Gehry 257,000 square feet $100 million Wordpress.com
Project Background Building Statistics Location & Layout Existing Conditions Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion Jonathan RumbaughHarley-Davidson MuseumMechanical Option P ROJECT B ACKGROUND
E XISTING C ONDITIONS Project Background Existing Conditions Mechanical Design Energy Model Emissions Comparison Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion M ECHANICAL D ESIGN Two Roof Mounted 300 Ton Air-cooled Rotary Screw Chillers Four 2000 MBH Sealed Combustion Condensing Boilers Variable Primary Flow 11 Air Handling Units Jonathan RumbaughHarley-Davidson MuseumMechanical Option
E XISTING C ONDITIONS Project Background Existing Conditions Mechanical Design Energy Model Emissions Comparison Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion E NERGY M ODEL Jonathan RumbaughHarley-Davidson MuseumMechanical Option $0.10 / kWh Electricity $0.80 / Therm Natural Gas
E XISTING C ONDITIONS Project Background Existing Conditions Mechanical Design Energy Model Emissions Comparison Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion E MISSIONS Jonathan RumbaughHarley-Davidson MuseumMechanical Option Calculations use factors from the Regional Grid emissions Factors table B-10
E XISTING C ONDITIONS Project Background Existing Conditions Mechanical Design Energy Model Emissions Comparison Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion E MISSIONS Jonathan RumbaughHarley-Davidson MuseumMechanical Option Calculations use factors from the Regional Grid emissions Factors table B-10 9 Million lbs. of C0 2e / year 867 acres
E XISTING C ONDITIONS Project Background Existing Conditions Mechanical Design Energy Model Emissions Comparison Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion C OMPARISON Jonathan RumbaughHarley-Davidson MuseumMechanical Option C ONCLUSION Energy Model is an accurate representation of the energy consumption of the facility
T HESIS G OALS Project Background Existing Conditions Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion Jonathan RumbaughHarley-Davidson MuseumMechanical Option G OALS P ROPOSAL Reduce Emissions Reduce Energy Consumption Reduce Operating cost Emissions Operating Cost Energy Consumption Decrease Thermal Loads Through Envelope Increase Efficiency of Chilled Water Production Become Energy Independent From Grid
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL B RIDGING Location of thermal break N Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL A NALYSIS Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL A NALYSIS Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL A NALYSIS Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL A NALYSIS Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL A NALYSIS 8760 hr. study Total: 272, Watts per year Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL A NALYSIS T2T2 T1T hr. study Total: Watts per year Lowest indoor temp = 69 o F Savings: $1, / year [Main gallery] For a simple payback of 5 years Each Thermal Break = $653 Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion T HERMAL A NALYSIS Jonathan RumbaughHarley-Davidson MuseumMechanical Option
S TRUCTURAL B READTH Project Background Thesis Goals Existing Conditions Structural Breadth Thermal Analysis Structural Analysis Mechanical Depth Electrical Breadth Conclusion S TRUCTURAL A NALYSIS Location of thermal break N MemberForceAllowableActualOK? BeamBending Moment ft kips 18.5 ft kips Yes BeamShear79.1 kips3.7 kipsYes GirderBending Moment 3723 ft kips 686Yes GirderShear886 kips40.05 kipsYes GirderLive Load Deflection 3.4”2.75”Yes GirderTotal Deflection 6.85”6.6”Yes ColumnLoad355 kips50Yes Thermal Break Shear13,400 psi2.24 psiYes Jonathan RumbaughHarley-Davidson MuseumMechanical Option
P ROJECT D EPTH Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Carrier Two 300 Ton Air Cooled Chillers EER 9.4 A IR VS. W ATER Carrier Two 300 Ton Water Cooled Chillers COP 5.9 EPA Jonathan RumbaughHarley-Davidson MuseumMechanical Option Carrier
P ROJECT D EPTH A IR VS. W ATER Additional Water: 2, gal Cost : $5, / year Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Jonathan RumbaughHarley-Davidson MuseumMechanical Option Capital: -$42,850
P ROJECT D EPTH A IR VS. W ATER 30 Year LCC Existing Air-Cooled System: $4,045, Alternative 2; Water-Cooled System: $3,861, Savings: $183, Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Jonathan RumbaughHarley-Davidson MuseumMechanical Option Capital: -$42,850
P ROJECT D EPTH C OOLING TOWER VS. R IVER W ATER Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Cold Water Temp = 0.739*WB Supply Return Jonathan RumbaughHarley-Davidson MuseumMechanical Option
P ROJECT D EPTH Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Supply Return C OOLING TOWER VS. R IVER W ATER Jonathan RumbaughHarley-Davidson MuseumMechanical Option
P ROJECT D EPTH C OOLING TOWER VS. R IVER W ATER Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Jonathan RumbaughHarley-Davidson MuseumMechanical Option Capital: +$104,255
P ROJECT D EPTH C OOLING TOWER VS. R IVER W ATER Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Simple Payback: 2.8 years Discount payback : 3.0 years 30 Year LCC Alternative 2; Cooling Tower System: $3,861, Alternative 3; River Water System: $3,641, Savings: $220, Jonathan RumbaughHarley-Davidson MuseumMechanical Option Capital: +$104,255
P ROJECT D EPTH C ONCLUSION Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Air vs. Water Cooling Tower vs. River Water Conclusion Electrical Breadth Conclusion Jonathan RumbaughHarley-Davidson MuseumMechanical Option Air-Cooled vs. Water-Cooled with River Water Capital cost increased 10% [$61,400.00] Annual operating cost reduced by 14% [$21,732.00] 30 year LCC reduced 10% [$389,986.00] Simple payback 3 years
E LECTRICAL B READTH CHP F EASIBILITY Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Electrical Breadth CHP Feasibility Conclusion TRANE Spark Gap Electric Cost: $0.10/kWh = $29.30/MMBTU Gas Cost: : $0.80/therm = $8.00/MMBTU 1 : 3.7 Ratio, 1 : 4 [rule of thumb] Jonathan RumbaughHarley-Davidson MuseumMechanical Option
CHP F EASIBILITY Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Electrical Breadth CHP Feasibility Conclusion Thermal-to-Electric Ratio = 0.74 Recommended: 373 kWe Gas Engine E LECTRICAL B READTH Jonathan RumbaughHarley-Davidson MuseumMechanical Option
CHP C ONCLUSION Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Electrical Breadth CHP Feasibility Conclusion Additional Cost $564,000 Generation Cost $0.088 /kWh 1.2 cents less than purchased Total Savings: $140,000 /year Simple Payback: 4.04 Years CO 2 reduction of 62% E LECTRICAL B READTH Jonathan RumbaughHarley-Davidson MuseumMechanical Option
Project Background Thesis Goals Existing Conditions Structural Breadth Mechanical Depth Electrical Breadth Conclusion C ONCLUSION Savings: $1, / year [Main gallery] Air-CooledCooling TowerRiver Water Capital$550,000.00$507,145.00$611, Simple Payback--2.8 years 30 Year LCC Savings-$184,817.00$389, Jonathan RumbaughHarley-Davidson MuseumMechanical Option Total $160,000 Annually 4 Year Payback 65% Reduction of CO 2 ++ =
Q UESTIONS ? Project Background Existing Conditions Thesis Goals Structural Breadth Mechanical Depth Electrical Breadth Conclusion T HANK Y OU HGA Kevin Pope, P.E.Associate Vice President, HGA Jeff Harris, P.E. Director of Mechanical Engineering, HGA, Penn State Alumni Steve Mettlach Mechanical Engineer, HGA Harley-Davidson Joyce Koker, P.E. Harley-Davidson Museum Penn State Dr. William Bahnfleth Faculty Advisor Dr. Jelena Srebric AE Mechanical Professor Dr. James Freihaut AE Mechanical Associate Professor Mr. David H. TranAE 5 th Year Structural, BAE/MS Family and friends for their support
Air-Cooled ElecWaterGas kWh1000galtherms Elec 2,168, Air Side 569, Water Side 683, Hot water 12, , total 3,434, , Water-Cooled with Cooling Tower ElecWaterGas kWh1000galtherms Elec 2,168, Air Side 569, Water Side 557, , Hot water 12, , total 3,307, , , Water Cooled with River ElecWaterGas kWh1000galtherms Elec 2,168, Air Side 569, Water Side 459, Hot water 12, , total 3,209, ,736.30