|
_. _ V�66+Fr��yr`? r��1'F'�e-t:}�:
<br /> • ' Ci of Orono �� � � :'i�``�'��
<br /> . � , h� Job Site Address: �;; � x� �� %'
<br />� � `4°�' ENERGY CODE WORKSHEET FOIZ ON�
<br /> , , . ,���._ �.
<br /> � �
<br /> �^`��ry"�`�F & TWO FAMILY DWELLINGS
<br /> 952-249-4600
<br /> INSTaUCTrO�vS: 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 Nlinnesotci E�zergy Code Si«�:marv S/zeets available from the Minnesota Department of Public Service.
<br /> Part I. BUILDING ENVELOPE �
<br /> Check option used: ❑ "Cookbook"Method(complete worksheet below) �1� MnCheck method(attach report)
<br /> ❑ Building Component method(attach calculations) ❑ Systems Analysis method(attach analysis)
<br /> ��Cookbook�� Worksheet 1TINInTITl�1 REQUIl2E�'IENTS
<br /> for"Cookbook" O tion)
<br /> Heating system efficiency: Minimum 90%AFUE
<br /> INSTRUCTIONS Ent Doors: 1'/4"solid wood or maximum U-value of 0.40
<br /> Step 1. Check item(s) that design meets on Mi�rimirm Req��irerne��ts Skyli hts: ennitted
<br /> List to the right. Must meet all items to use Cookbook Ceiling Insulation: Miniinum R-38
<br /> option.
<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 wiconditioned s aces: 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 DETERMINING MAXIMUI�I WI�DOW AND DOOR AREA
<br /> Maximum Allowable Total Window and Door 28%
<br /> Area as a Percentage of Exposed Wall =, 10% 12% 14% 16% 18% 20%� 22% 24% 26%
<br /> Wall Type (R-5 up to R-10 Foundation Insul.): Maximum Average Window U-value(except foundation windows -< 5.6 sf):
<br /> � 2x4,-R-13 irtsu�ation,<R-5 sheathui 0.37 0.36 0.30 0.26 0.23 0.20 0.18 0.16 0.15 0.14
<br /> ❑ 2x4, R-13 insulation, >-R-5 sheathing 0.37 0.37 0.37 0.37 0.35 0.31 0.28 0.25 0.23 0.22
<br /> ❑ 2x4, R-13 insulation, >_R-7 sheathinb 0.37 037 0.37 0.37 0.37 0.34 0.31 0.28 0.26 024
<br /> ❑ 2x6,R-19 insulation,<R-5 sheathin 0.37 0.37 0.37 0.37 0.34 0.31 0.28 0.25 0.23 0.21
<br /> ❑ 2x6,R-19 insulation, >-R-5 sheathing 0.37 0.37 0.37 037 0.37 0.37 0.33 0.30 0.28 0.26
<br /> ❑ 2x6,R-Z 1 insulation,<R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.33 0.30 0.27 0.25 0.23
<br /> ❑ 2x6,R-21 insulation, >-R-5 sheathing 0.37 0.37 037 0.37 0.37 0.37 0.35 031 0.29 0.27
<br /> Wall Type(with R-10 Foundation Insulation): Maximum Average Window U-value(except foundation windows 5 5.6 s�:
<br /> ❑ 2x4,R-13 insulation,<R-5 sheathin 0.37 0.37 0.33 0.28 0.25 0.22 0.20 0.18 0.17 0.15
<br /> ❑ 2x4,R-13 insulation, >-R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.33 0.30 0.27 0.25 0.23
<br /> ❑ 2x4,R-13 insulation, >-R-7 sheathing 0.37 0.37 0.37 0.37 0.37 0.36 0.33 0.30 0.27 0.25
<br /> ❑ Zx6,R-19 insulation,<R-5 sheathin 0.37 0.37 0.37 0.37 0.37 0.32 0.29 0.27 0.24 0.23
<br /> ❑ 2x6,R-19 insulation, >_R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0.35 0.32 0.29 0.27
<br /> ❑ 2x6,R-21 insulation,<R-5 sheathin 0.37 0.37 0.37 0.37 0.37 0.35 0.31 0.29 0.26 0.24
<br /> ❑ 2x6,R-21 insulation, >_R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0.36 0.33 0.30 0.28
<br /> Wall Type(with R>-19 Foundation Insulation): Maximum Average Window U-value(except foundation windows _< 5.6 s fl:
<br /> ❑ 2x4,R-13 insulation,<R-5 sheathin 0.37 0.37 034 0.29 0.26 0.23 0.21 0.19 0.17 0.16
<br /> ❑ 2x4,R-13 insulation, >_R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.34 0.31 0.28 0.26 0.24
<br /> Q Zx4,R-I3 insulation, >-R-7 sheathing 037 0.37 0.37 0.37 0.37 0.37 0.34 0.31 0.28 0.24
<br /> ❑ 2x6,R-19 insulation,<R-5 sheathin 0.37 0.37 0.37 0.37 0.37 0.34 0.30 0.28 0.25 0.23
<br /> ❑ 2x6,R-19 insulation, >_R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0.36 0.33 0.30 0.28
<br /> ❑ 2x6,R-21 insulation,<R-5 sheathin 0.37 0.37 0.37 0.37 0.37 0.36 0.32 0.29 0.27 0.25
<br /> ❑ 2x6, R-21 insulation, >-R-5 sheathing 0.37 0.37 0.37 0.37 0.37 037 0.37 0.34 0.31 0.29
<br /> _ __. _. __
<br /> Window U-value � ' Source: ❑ NFRC ❑ Code Default Table (see Part 7670 0700) :
<br /> _....... _.__ _ . _ ._ ....... .
<br /> ____.._.__------------- . .� . _....,_ _�____.. , _____.__��-- --.---,
<br /> 100 x `___._�..__.________.___..., , _ % < % i
<br /> _.__ _.....__. _. . . . , __......_ _ ... ......_ _ ....,
<br /> _. _ ..... ..: . ____.....__. .. ..._...._,
<br /> 2-15-2000 window&door area gross exposed wall area DESIGN ALLOWABLE (from table above)
<br /> 13
<br />
|