Building Code Board of Appeals Agenda and Packet 2022 10 20

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WLilou�suyi l ��11e Department of Planning and Building Safety L COLORADO-SINCE 1878 749 Main Street # Louisville CO 80027 # 303.335.4592 # www.LouisvilleCO.aov `�r+�Le D1111d1I1� iJpfrvnt Cost and 2D Year Energy Cost of an Office Building 111 Sn SAu uv S N $i: h]W 1 Sl inn Wn $] 0n llW S5 %H GM1 $S: 1n0 $i Wn 0ai¢4:Anonn $5.000.� -�_ Mixed Fuel Option 1 $2 327 633 $2.810,755 Mixed Fuel Option 2 $t 7$6 323 $3,534.971 33 Mixed Fuel Option 3 $4.492,873 $2.5sa,74e 36 All -Electric Option 1 31.948-716 53,546.702 35 All -Electric Option 2 $3,789,170 $2.433.150 35 21 25 All -Electric Option 3 $2.534,531 $3,464,384 26 All -Electric Option 4 $2,785,371 $4.005,694 28 ■ First Cost s Annual Energy Cost t20 yrs, 3% inflalionl Retail Building Upfront Cost and 20 Year Energy Cost of a Retail Building $0 $1,000.000 $2,000,000 53.000.000 $4,000,000 $5,009,000 56.000,fl0Q Mixed Fuel option, � $570.500 $4,419,969 Mixed Fuel Option 2 1�$456-000 $4,9©8,761 �I 95■� Mixed Fuel Option 3 � $630.500 $4.248,087 86 9W AII-Electric Option 1 ! 5660.000 88.■ 34 All -Electric Option 2 � s708.0o0 79 All-Eteciric Option 3 316 5Q0 75 � $4.204.971 63 ■ First Cost ■ Annual Energy Cast (20 yrs, 3% inflation) Gatto joined the meeting. $5.190.312 $4.9-12.434 Giese asked how, in a Multifamily building, how could the cost be maintained if each unit was individually metered. [refer to page 36 of the meeting packet]. Schlaepfer and McCollough explained that it is more of a design standard than an operational target. Compliance for the code would be met with the energy model. Giese said he did not see how the model would be inline with the actual implementation if each unit has it's own meter and that the model does not fit real installation. Schlaepfer further explained that once the building