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obSiAPR. 12. 2005 2 : 50PM COLDWELL BANKER '' '« vV538 P, 6'
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<br /> `CATEGORY I" ALTERNATE FOR
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<br /> ONE & TWO FAMILY DWELLINGS 952-249-4600
<br /> INST1RUCTIONS: This alternative may be used for one-and two-fatuity dwellings built to meet the Category 1 lrequutements of Minnesota
<br /> Rules,Chap ter 7670. Complete Parts A,B,and C. Clearly mark plans with: insulation R-values; window and skylight U-values;size and type of
<br /> equipment; equipment controls; and location of vapor retarder and windwash barriers. More detailed information canoe found in the Minnesota
<br /> Energy Code summary sheets available from the Miimesota Department of Commerce.
<br /> Part A. BUILDING ENVELOPE
<br /> Clicck prgposed enVelQpe jdit+t sealing option'4 ❑ Prescriptive(caulking,gaskets,etc.) ❑ perfonnanee(test per 7670.0470 subp.7.C.)w.
<br /> - iC;.';,�,'•"tii}`,'�' :,i (9• :I', rp ���. ' .' y (•a v, S,j,• ',r,, ;,,, :;' '1:,' .... ' , %'',' ' .
<br /> rig •;•: , .' 'i, ,"f' U ,Li' �ii �'' 1ti.`.. : ,1 �:
<br /> Check thermal energy calculation Option used-go10 "Cookbook" (complete worksheet below) ❑ Mn6eck method.(attach report)
<br /> "'`' r':', ❑ performance (attach LJ-value calculations) Q Syste its Analysis method(attach analysis)
<br /> "Cookbook" ; 1 ;A'X.NJMUM REQ'UYRIi MENTS
<br /> �� ook" Worksheet .�;', '; �`�'' �''s'''�^'` for Cookbook opt ioe'•otil ,
<br /> ® Ceiling Insulation: Minimum R-38 with 74"energy heel; or
<br /> INSTRUCTIONS Minimum R-44 with low truss heel; or
<br /> Step I. Check itcm(s)that design mats on Minimum Requirements list Minimum R-38 with?,-5 sheathing when no attic.
<br /> to the right.Must meet all items to use"Cookbook"option. ❑ Entry Doors: Max.U-value of 0.30 or I V.."solid wood with storm
<br /> Step 2. Indicate proposed wall type on table below. U Rim Joist Insulation: Minimum R-19
<br /> Step 3. Indicate Window U-value and source, id Floors over unconditioned aces: Minimum R-24
<br /> Step 4. Verify total window(including area of all foundation Windows) ❑ Foundation Insulation: Minimum R-10
<br /> And door area is equal or less than al lowable percentage, ❑ Foundation windows: '/2"insulated glass,wood or vinyl frame
<br /> TABLE FOR DETERMI`N1ING MAXIMUM WINDOW A14b DOOR AREA
<br /> .144imum Allotivabla Total Window and Door Area as; "!�''f'";r'. `,• ` �''�y' ,H�r ' ;1i4 i t r'' ,,; �>15' :; c,'? G 1; ;it• P'.;�.,+.":�,qP. y;t� 1,';,�;: , ;,,,�� ,;F,:,..
<br /> a Percent of EX osed Wall -�,.q I d . M� b 1'. 'r d o
<br /> iY12% I4/o 1G/o 18/0 20%.i�' :' Z2/o'
<br /> Wall a Standard Framin' Maxim utti'ASer e Window;U=value exo t'foundallon vvittdoWs: 'i'>ti''+'
<br /> ❑ 2x4,R-13 insulation,�!R-7 sheathingO.SS ;.0.47•' " '0.4I''ro 0.36' `;'0.3Sjje' ,0.30 ',11:.:0 2T; ' ';1.0.25`: 'S.•' 0.23,
<br /> ,5 2x4 R-15 insulation Z R-5 sheathing i T Na
<br /> '' 0:52 E�: x.,0.45 r 0. ;I'0.35':'' �t 0:31 ,i '''t0:28;'.'i,i ti;"'9 26':i"'';5;6.24'J',f:��. 0:22 I'4":
<br /> Ll 2x6,R-19 insulation <R-5 sheathin 0,48• 0.41;' 70.36 y. -1,10,32 0:29
<br /> ❑ 2x6,R-19 insulation,Z R-5 sheathin 0.48' 0.3,9"''' ';i 0.34"j., 'H1:3),'il' "°r0:28t`''
<br /> ❑ 2x6 R-21 -5 sheathing �,M ,., ti� +'
<br /> insulation, O.SI ;1;0,43 0.28 ,i 0.25x',' 1.,0:23'''- Q.22'
<br /> ❑ 2x6,R-21 insulation,Z R-5 sheathing 0.5.8•'., 050,.;' A,44' "0,39'i 0.35"`' yi0,32,1, .10.29,,$ 0.25'
<br /> Wall a Advanced Frami. ' Maximum Avera `e Window'U-value ate t foundation windows : r'
<br /> ❑ 2x6,R-19 insulation,<R-5 sheathing 0.52' ' 0.45 0.39 , ', 0.35'-'i: "0.3.1' 0.28+ 0.26'1, ;'i 0.24,,', 0.22 .'
<br /> ❑ 2x6,R-19 insulation a R-5 sheathing 0.58; "t ,0.50 'I' ;0:44• ` 0.39" 0.35 0,32;T, �, 0.2q''� '•�'-'0.27 't- 0.25 '
<br /> M 20,R-21 insulation,<R-5 sheathin 0.55 7, 7 0.47 •0.41 0.36 0.33 " 0.30, 0:27',', '? `0,25' 0.23
<br /> O 2x6 R-21 insulation,>-R-5 sheathing 0.60 ;1 0.52,'' 0.46 0.41 x.0,36 " .:0.33''r 'OA':'l' 4. 0.28 t.6'• 0.26"
<br /> AS
<br /> Window IJ-value: (SEI NFRC QIIRAE 1993 Han
<br /> book
<br /> .r„Y,uVe.iyw,„'v,nT." '•1'1 a1'-
<br /> .a-•: ,; i „g• y 'I
<br /> 100.X' - as o
<br /> window&door area' gross axp6sed wall area• ;', •J; .'DESIGN"I 't ?L •,,.' ALZO ABLE '(1som table abovo y:.°
<br /> ),
<br /> MINNESOTA ENERGY CODE - WHICH RULES MAY I USE ?
<br /> TYPE OF RESIDENTLAL BUILDING APPLICABLE RULES
<br /> Detached R-3 occupancy 1-and 24=4 dwellings' Chapter 7672; or
<br /> 'Exam lcs; single family,twin homes duplexes Chapter 7670"Category t With statuto ressutizatidn and ventilation r uiremdnts
<br /> Attached R-3 occupancy dwellings Chapter 7674; or
<br /> Examples: triplex townhouses and row houses Chapter 7670 with either"Cate o 1" or "2are
<br /> �ry 2'° Pilo visions
<br /> R-1 occuptincy buildings of 3 stories or less Chaptcr 7674; or. .. ''I '
<br /> Exam les: condominiums orapartments Chapter 7670 with either"Cate 1" or "Cate 2" provisions
<br /> R-1 occupancy buildings over 3 stories high Chapter 7676
<br /> Examples; high rise condos orapartments
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