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� <br /> 10 <br /> Job Site Address: City of Orono <br /> /5-�`v ��� �7r��;__ Gv�2��n,�S�3� � �/ �� <br /> �o�,< �� <br /> �;, ;�-: <br /> "CATEGORY 1" ALTERNATE FOR � �'��n���='' <br /> �.� <br /> \k� <br /> ONE & TWO FAMILY DWELLINGS 952-249-4600 <br /> INSTRUCTIONS: This alternative may be used for one-and two-family dwellings built to meet the Category 1 requirements of Minnesota <br /> Rules,Chapter 7670. Complete Parts A,B,and C. Clearly mark plans with: insulation R-values; window and skylight U-values;size and type <br /> of equipment; equipment controls; and location of vapor retarder and windwash barriers. More detailed information can be found in the <br /> Minnesota Energy Code summary sheets available from the Minnesota Deparhnent of Commerce. <br /> Part A. BUILDING ENVELOPE <br /> Check proposed envelope joint sealing option � � Prescriptive(caulking,gaskets,etc.� �� �� '"" ~ �_ _ � ,�_���.,, _ .��,�, ,�_.�� _�..� �._.,.� <br /> � ❑ Performance(test per 7670.0470 subp.7.C.� � <br /> Check thermal energy calculation option used-� � "Cookbook" (complete worksheet below) � MnCheck method(attach report) f <br /> � Performance (attach U-value � Systems Analysis method(attach analysis) <br /> � calculations) <br /> ��Cookbook�� WOrkSheet MINIMUM REQUIREMENTS <br /> for"Cookbook"o tion onl <br /> �.. Ceiling Insulation: Minimum R-38 with 7'/z"energy heel; or <br /> INSTRUCr[oNs Minimum R-44 with low truss heel; or <br /> Step 1. Check item(s)that design meets on Minimum Requirements list Minimum R-38 with R-5 sheathin when no attic. <br /> to the right.Must meet all items to use"Cookbook"option. � Ent Doors: Max.U-value of 030 or 13/<"solid wood with storm <br /> Step 2. Indicate proposed wall type on table below. Rim Joist Insulation: Minimum R-19 <br /> Step 3. Indicate Window U-value and source. �Ad Floors over unconditioned s aces: Minimum R-24 <br /> Step 4. Verify total window(including area of all foundation windows) W Foundation Insulation: Minimum R-10 <br /> and door area is equal or less than allowable percentage. Foundation windows: '/z"insulated lass,wood or vin 1 frame <br /> TABLE FOR DETERMINING MAXIMUM WINDOW AND DOOR AREA <br /> Maximum Allowable Total Window and Door Area as �-�-.� <br /> a Percenta e of Ex osed Wall 12% 14% 16% 18% 20% :j 22%'� 24% 26% 28% <br /> Wall T e Standard Framin ): Maximum Avera e Window U-value exce t foundation windows): <br /> ❑ 2x4,R-13 insulation,>_R-7 sheathing 0.55 0.47 0.41 036 0.33 030 0.27 0.25 0.23 <br /> 0 2x4,R-15 insulation,>-R-5 sheathing 0.52 0.45 0.39 0.35 0.31 0.28 0.26 0.24 0.22 <br /> ❑ 2x6,R-19 insulation,<R-5 sheathin 0.48 0.41 0.36 032 0.29 0.26 0.24 0.22 0.21 <br /> 0 2x6,R-19 insulation,>-R-5 sheathing 0.56 0.48 0.42 0.37 034 031 0.28 0.26 0.24 <br /> ❑ 2x6,R-21 insulation,<R-5 sheathin 0.51 0.43 038 0.34 0.30 0.28 0.25 0.23 0.22 <br /> 2x6,R-21 insulation,>-R-5 sheathing 0.58 0.50 0.44 039 0.35 `�0.32� 0.29 0.27 0.25 <br /> Wall T e Advanced Framin ): Maximum Avera e Window U-value exce t foundation windows): <br /> ❑ 2x6,R-19 insulation,<R-5 sheathin 0.52 0.45 039 035 0.31 0.28 0.26 0.24 0.22 <br /> ❑ 2x6,R-19 insulation,>_R-5 sheathing 0.58 0.50 0.44 039 035 032 0.29 0.27 0.25 <br /> ❑ 2x6,R-21 insulation,<R-5 sheathin 0.55 0.47 0.41 036 033 030 0.27 0.25 0.23 <br /> ❑ 2x6,R-21 insulation,>_R-5 sheathing 0.60 0.52 0.46 0.41 036 0.33 0.30 0.28 0.26 <br /> Window U-value: J,3� Source: ❑NFRC ❑ ASHRAE 1993 Handbook <br /> C'' � ' c� • ' ci . _ O ; O <br /> ��0 X _� - o - _ - _._ --;,-. < <br /> window&door area gross exposed wall area �DESIGN ALLOWABLE (from table above) <br /> M/NNESOTA ENERGY CODE- WHICH RULES MAY I USE ? <br /> TYPE OF RESIDENTIAL BUILDING APPLICABLE RULES <br />