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Eugene City Hall Master Planning Utility and Maintenance Costs
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<br />June 29, 2006 Page 4
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<br />Energy costs and energy cost indices were estimated for each option, by performing simple
<br />weighted averages using the construction case costs (listed above) and the area break-downs
<br />summarized in Table 5 below.
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<br />Table 5. Summary of Anticipated Energy Costs per Option.
<br />Options Renovated New area New area Energy Cost, Energy Cost
<br />area, SF (unlimited), SF (limited), SF 2006$ Index, $/SF
<br />Renovation 1 84000 221000 0 $ 241,353 $ 0.80
<br />Renovation 2 84000 169000 52000 $ 243,671 $ 0.81
<br />Hybrid 1 30000 0 275000 $ 229,542 $ 0.77
<br />Hybrid 2 4400 0 300600 $ 219,273 $ 0.73
<br />New 1 0 305000 0 $ 203,913 $ 0.68
<br />New 2 0 0 305000 $ 217,508 $ 0.73
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<br />Life Cycle Costs. Life cycle costs were calculated using a 50 year study period, and assuming an
<br />average annual energy cost escalation rate of 3%. A discount rate of 5% was also used, to com-
<br />pute net present cost of the entire 50 year set of energy costs. Table 6 summarizes the cash flows
<br />and life cycle cost calculations.
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<br />Table 6. Life Cycle Cash Flow for Energy Costs.
<br />Year Renovation 1 Renovation 1 Hybrid 1 Hybrid 2 New 1 New 2
<br />0
<br />1 $ 248,594 $ 250,981 $ 236,428 $ 225,851 $ 210,031 $ 224,033
<br />2 $ 256,052 $ 258,510 $ 243,521 $ 232,626 $ 216,332 $ 230,754
<br />3 $ 263,733 $ 266,266 $ 250,826 $ 239,605 $ 222,822 $ 237,676
<br />4 $ 271,645 $ 274,254 $ 258,351 $ 246,793 $ 229,506 $ 244,807
<br />5 $ 279,794 $ 282,481 $ 266,102 $ 254,197 $ 236,391 $ 252,151
<br />6 $ 288,188 $ 290,956 $ 274,085 $ 261,823 $ 243,483 $ 259,715
<br />7 $ 296,834 $ 299,684 $ 282,307 $ 269,678 $ 250,788 $ 267,507
<br />8 $ 305,739 $ 308,675 $ 290,777 $ 277,768 $ 258,311 $ 275,532
<br />9 $ 314,911 $ 317,935 $ 299,500 $ 286,101 $ 266,061 $ 283,798
<br />10 $ 324,358 $ 327,473 $ 308,485 $ 294,684 $ 274,042 $ 292,312
<br />11 $ 334,089 $ 337,297 $ 317,739 $ 303,525 $ 282,264 $ 301,081
<br />12 $ 344,112 $ 347,416 $ 327,272 $ 312,630 $ 290,732 $ 310,114
<br />13 $ 354,435 $ 357,839 $ 337,090 $ 322,009 $ 299,454 $ 319,417
<br />14 $ 365,068 $ 368,574 $ 347,203 $ 331,669 $ 308,437 $ 329,000
<br />15 $ 376,020 $ 379,631 $ 357,619 $ 341,620 $ 317,690 $ 338,870
<br />16 $ 387,301 $ 391,020 $ 368,347 $ 351,868 $ 327,221 $ 349,036
<br />17 $ 398,920 $ 402,751 $ 379,398 $ 362,424 $ 337,038 $ 359,507
<br />18 $ 410,888 $ 414,833 $ 390,779 $ 373,297 $ 347,149 $ 370,292
<br />19 $ 423,214 $ 427,278 $ 402,503 $ 384,496 $ 357,563 $ 381,401
<br />20 $ 435,911 $ 440,097 $ 414,578 $ 396,031 $ 368,290 $ 392,843
<br />21 $ 448,988 $ 453,300 $ 427,015 $ 407,912 $ 379,339 $ 404,628
<br />22 $ 462,458 $ 466,899 $ 439,826 $ 420,149 $ 390,719 $ 416,767
<br />23 $ 476,331 $ 480,905 $ 453,021 $ 432,753 $ 402,441 $ 429,270
<br />24 $ 490,621 $ 495,333 $ 466,611 $ 445,736 $ 414,514 $ 442,148
<br />25 $ 505,340 $ 510,193 $ 480,609 $ 459,108 $ 426,949 $ 455,412
<br />26 $ 520,500 $ 525,498 $ 495,028 $ 472,881 $ 439,758 $ 469,075
<br />27 $ 536,115 $ 541,263 $ 509,879 $ 487,068 $ 452,950 $ 483,147
<br />28 $ 552,199 $ 557,501 $ 525,175 $ 501,680 $ 466,539 $ 497,642
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