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City Orono <br /> P.O.Box <br /> 66 Job Site Address: r <br /> O 6 <br /> Crystal Bay, 55323 <br /> (952)249-460000 ENERGY CODE WORKSHEET FOR <br /> ,rT � <br /> ONE & TWO FAMILY DWELLINGS <br /> INSTRUCTIONS: Complete Parts I, II and III. Clearly mark plans with: insulation R-values; window and skylight U-values;size and <br /> type of equipment; equipment controls; and location of interior air barrier, vapor retarder and windwash barriers. More detailed <br /> information can be found in the Minnesota Energy Code Summary Sheets available from the Minnesota Department of Public Service. <br /> Part I. BUILDING ENVELOPE <br /> Check option used: ❑ "Cookbook"Method(complete worksheet below) ❑ MnCheck method(attach report) <br /> ❑ Building Component method(attach calculations) ❑ Systems Analysis method(attach analysis) <br /> "Cookbook" Worksheet MIl�iIMLTIvIREQUIRE1vIENTS <br /> 64 Cookbook"Option) <br /> ❑ Heating system efficiency: Minimum 90%AFUE <br /> INSTRUCTIONS ❑ En Doors: 1%"solid wood or maximum U-value of 0.40 <br /> Step 1. Check item(s)that design meets on Minimum Requirements ❑ Skylights: None permitted <br /> list to the right.Must meet all items to use Cookbook option. ❑ Ceiling Insulation: Minimum R-38 <br /> Step 2. Indicate proposed wall type on table below. ❑ Rim Joist Insulation: Minimum R-10 <br /> Step 3. Indicate Window U-value and source. ❑ Floors over unconditioned spaces: Minimum R-30 <br /> Step 4. Verify total window(including area of all foundation win- ❑ Foundation windows: '/z" insulated glass in wood or vinyl <br /> dows)&door area is equal or less than allowable percentage frame or maximum U-value of 0.51 <br /> ; TABLE FOR DETERMIhTING'1VIAXIMUM'WINDOW AhII3 :ObR AREA "y <br /> Maximum Allowable Total Window and Door. <br /> ' 7.:tf` 3„M� 4 <br /> Area as a Percentage of£ °sed Wall`' 10°f IZ%' i4%oc -1 6% '` 18% X20% 22% 24% <br /> Wall Type (R-5 up to R-10 Foundation Insul. : Makimuni Avera e Window;U-value exce"t foundation windows p,5.6 sf <br /> :12x4,R-13 insulation,<R-5 sheathing 0.37 :,0:36 030 0 26 0 23 _ .0 20 0.18 0.16 -0.15 0.14 <br /> ❑ 2x4,R-13 insulation, b R-5 sheathing 0.37 0.37 -0.37'-, ` 0 37. -0.35, _ 0 1 0.28 025 ,0.23_ 022 <br /> ❑ 2x4,R=13 insulation, b R-7 sheathing 0.37 =0.37 A.37 X0.37.:` 0.37:x'X0.34 0.31 028 `0.26 <:.,:024: <br /> ❑ 2x6,R-1 insulation,<R-5 sheathing 0.31N _0.37..; : 0.37 0.37' 0.34:- :0:31 0.28 025 023 -' x.021 <br /> ❑ 2x6,R-19 insulation, b R-5 sheathing 0.37 . 0.37 0.37 :.0.37 037 0:37 0.33 0 30 0.28 . ryU26 <br /> ❑ 2x6,R-21 insulation,<R-5 sheathing 0.37�._ 0:37 0.37:' 0.37 0.3Z- _ 0:33 0.30 0.27 0.25 <br /> 2x6,R-21 insulation, b R-5 sheathing 0:37 ' 0;37. 0.37�. ° <br />