ATE560 Assignment #5 v1
1
page 1 of 1 SCHOOL OF ARCHITECTURE ARIZONA STATE UNIVERSITY TEMPE, AZ ATE 560 Building Energy Simulation & Analysis Prof. Marlin Addison 480-766-1052 9 (cell) ASSIGNED: Mon 26Oct15 DUE: Mon 9Nov15 (2 weeks) ASSIGNMENT 5 "Building Life Cycle Costs and Simple Payback" Reading: eQUEST Life-Cycle Costs Tutorial (available from within eQUEST via right click at any input or from the Help menu, then ‘Tutorials…’). Following the procedures covered in class, prepare Net Savings (i.e., life-cycle savings) and Simple Payback for each of the following glazing alternatives for an office building: Acquistion Costs Electric Natural Gas Maintenance 1st year 1st year 1st year 1st year Case Description $ $ $ $ Base Single Clear $54,300 $656,310 $25,320 $0 Alt 1 Single Pane Azurlite $74,880 $630,000 $25,380 $0 Alt 2 Calif Series - Water White Crystal $482,040 $620,100 $25,620 $0 Alt 3 Calif Series - Sea Foam Low-E Clear $383,760 $615,380 $23,840 $0 Alt 4 Calif Series - Tahoe Blue $332,280 $612,960 $26,180 $0 Alt 5 Viracon - VE1-55 - Low-E Clear $169,650 $621,850 $20,210 $0 Alt 6 Viracon - VE1-85 - Low-E Clear $174,330 $641,730 $20,420 $0 Alt 7 Viracon - VE7-55 - Low-E Azurlite $256,470 $606,010 $20,920 $0 Alt 8 Viracon - VE7-85 - Low-E Azurlite $245,540 $616,360 $20,420 $0 Alt 9 PPG - SolarBan 2000 $224,660 $606,970 $21,400 $0 Assume the following: The building is located is southern California Period of Analysis will assume 25 years with occupancy beginning in late 2013 Discount rate (real) = 3.0% Prepare two tabular summaries of your calculated life-cycle costs, net savings and simple paybacks. One table should be prepared ‘manually’ using the tables found in Energy Price Indices and Discount Factors for 2013 which was provided along with this assignment. The other table should have an identical format (to make them easy to compare) and be developed using the Excel LCC spreadsheet, also provided with this assignment, “LCC-2013-Ofc03 (blank).xls”. If you have prepared your work correctly, the two tables should be within round off of one another since the method is the same. Make two design recommendations, one based on net savings and the other based on simple payback. Did the two ‘payback’ analysis methods yield the same recommendation? If not, why not? Summarize the pro’s and con’s of each of these two widely recognized ‘payback’ analysis methods. Prepare your explanation as a briefing to your senior partner and other design team members, i.e., keep it clear and concise. This assignment will be due prior to class, Monday 9Nov15. Email me ([email protected]) your brief report (Word doc) and the spreadsheet(s) you developed to calculate the LCC’s.
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ATE560 Assignment #5 v1
Transcript of ATE560 Assignment #5 v1
page 1 of 1
SCHOOL OF ARCHITECTURE ARIZONA STATE UNIVERSITY TEMPE, AZ ATE 560 Building Energy Simulation & Analysis Prof. Marlin Addison 480-766-1052 9 (cell) ASSIGNED: Mon 26Oct15 DUE: Mon 9Nov15 (2 weeks)
ASSIGNMENT 5
"Building Life Cycle Costs and Simple Payback" Reading: eQUEST Life-Cycle Costs Tutorial (available from within eQUEST via right
click at any input or from the Help menu, then ‘Tutorials…’).
Following the procedures covered in class, prepare Net Savings (i.e., life-cycle savings) and Simple Payback for each of the following glazing alternatives for an office building:
AcquistionCosts Electric Natural Gas Maintenance
1st year 1st year 1st year 1st yearCase Description $ $ $ $
Base Single Clear $54,300 $656,310 $25,320 $0Alt 1 Single Pane Azurlite $74,880 $630,000 $25,380 $0Alt 2 Calif Series - Water White Crystal $482,040 $620,100 $25,620 $0Alt 3 Calif Series - Sea Foam Low-E Clear $383,760 $615,380 $23,840 $0Alt 4 Calif Series - Tahoe Blue $332,280 $612,960 $26,180 $0Alt 5 Viracon - VE1-55 - Low-E Clear $169,650 $621,850 $20,210 $0Alt 6 Viracon - VE1-85 - Low-E Clear $174,330 $641,730 $20,420 $0Alt 7 Viracon - VE7-55 - Low-E Azurlite $256,470 $606,010 $20,920 $0Alt 8 Viracon - VE7-85 - Low-E Azurlite $245,540 $616,360 $20,420 $0Alt 9 PPG - SolarBan 2000 $224,660 $606,970 $21,400 $0
Assume the following:
The building is located is southern California
Period of Analysis will assume 25 years with occupancy beginning in late 2013
Discount rate (real) = 3.0%
Prepare two tabular summaries of your calculated life-cycle costs, net savings and simple paybacks. One table should be prepared ‘manually’ using the tables found in Energy Price Indices and Discount Factors for 2013 which was provided along with this assignment. The other table should have an identical format (to make them easy to compare) and be developed using the Excel LCC spreadsheet, also provided with this assignment, “LCC-2013-Ofc03 (blank).xls”. If you have prepared your work correctly, the two tables should be within round off of one another since the method is the same.
Make two design recommendations, one based on net savings and the other based on simple payback. Did the two ‘payback’ analysis methods yield the same recommendation? If not, why not? Summarize the pro’s and con’s of each of these two widely recognized ‘payback’ analysis methods. Prepare your explanation as a briefing to your senior partner and other design team members, i.e., keep it clear and concise. This assignment will be due prior to class, Monday 9Nov15. Email me ([email protected]) your brief report (Word doc) and the spreadsheet(s) you developed to calculate the LCC’s.
