2001-P04109 - addn/remodel/repair

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i \. Job�ite Ad�:ess: �� o�� obOrono "CATE GORY 1" ALTERNATE FOR ��;�� Crystal Bay,MN 5�323 � ��I��Ga (952)249-4600 ONE & TWO FAMILY DWELLINGS ��A�$~ I\STRUCTIO:�S: This alternative may be used for one- and two-family dwellings built to meet the Category 1 requirements of `Iinnesota Rules, Chapter 7670. Complete Parts A,B, and C. Clearly mark plans with: insulation R-values; windo�v and skylight li- ��alues; size and type of equipment; equipment controls; and locarion of vapor retarder and «-ind�vash bamers. More detailed information can be found in the�tilinnesota Energy Code summary sheets available from the vlinnesota Department of Commerce. Part A. BUILDING ENVELOPE ._.�__._�__ __ ....._._..�.�_._ _ .�.__ ., __ ___ _._.._.. _�____. _.__.�_._._.�. Check proposed envelope joint sealing option � ❑ Prescriptive(caulking,gaskets,etc.) 0 Performance(test per 7670.0470 subp.7 C.) ' Check thermal energy calculation option used-� ❑ "Cookbook" (complete worksheet below) ❑ �fnCheck method(attach report) , ❑ Performance (attach U-value calculations) ❑ Systems Analysis method(attach analysis) "Cookbook" Worksheet �ii`'I�N`I�Q��;��TS (for��Cookbook"option onl�) Ceiling Insulation: �finimum R-38 with 7%"energy heel; or I�SrxuCTto�s Minimum R-44�vith low truss he� or Step 1. Check item(s)that design meets on Nlinimicm Requirements list Nlinimum R-3S �cith R-5 sheathin�when no attic. to the rieht. Must meet all items to use"Cookbook"option. ' Entry Doors: Mar.U-value of 0.30 or 1'/,"solid wood with storm Step 2. Indica:�proposed wall type on table below. Rim Joist Insulation: h4inimum R-19 Steo 3. Indica[e«'indow L'-value and source. ❑ Floors over unconditioned s�aces: Minimum R-24 Step 4. Verify total�r•indow(including area of all foundation w•indows) ❑ Foundation Insulation: Minimum R-10 and door area is equal or less than allo�vable percentage. ❑ Foundation windo�cs: '/Z"insulated glass,wood or�•inyl frame TABLE FOR DETERIIINING 1IAXI�NNI WINDO�V AND DOOR ARE� \';aximum Allowahle Total�Vindow and Door Area as a Percentaee of Exposed<<:all 12% 14% }6% 18% 20% 22% 2�:% 26% 2S"/o ��'alI Type (Standard Framing): blasimum Average�Vindow U-value(except foundarion tivindows): � 2x�t,R-13 insuiar,on, �l R-7 sheathing 0.5� 0.47 0.41 0.36 0.33 O.�U 0.27 0?� �.23 � 2x=t,R-1� insulacion, �:� R-� sheathine 0.�2 0.4� 0.39 Q35 0.31 0?b t;.26 0.2� 0.22 2xG,R-19 insulation,<R-� sheathing �� 0.48 0.d1 0.36 0.3? 0.29 0.�6 0.24 0.22 0.21 ❑ 2x6,R-19 insulation, i� R-� sheathin� 0.56 0.48 0.42 0.37 0.3�t 0.31 0.25 0?6 Q.24 ❑ 2x6,R-21 insulation.<R-� sheathing 0.51 0.43 0.35 0.34 0.30 0.23 0?� 0.23 0.22 � 2x6,R-21 insulation, b R-� sheathine 0.�8 0.50 - 0.� 0.39 0.3� Q32 0.29 0.27 0.2� Wall Type (Aavar.ce�Framing}: Maximum A��erage Window U-��alue(except fo�ndarion R-indow�s): � �x6, R-19 insulation,<R-� sheathin� OS2 0.4� 039 0.3� 0.31 0.25 0.26 0.24 0.22 � 2x6,R-19 insulation, � R-5 sheathing ' 0.�8 0.50 0.44 0.39 0.35 0.32 0.29 0.27 0.25 � 2x6,R-21 insulation,<R-� sheathing 0.5� 0.47 0.41 0.36 0.33 0.30 0.27 0.2� 0.23 �? 2x6,R-21 insulation, L R-5 sheathing 0.60 0.�2 0.46 • 0.41 0.36 0.33 030 � 0.23 Q.26 Windo�4�U-value: �� Source: ❑NFRC ❑ .�SHR.AE 1993 Handbook l �oo X i � �i = C_ °io window&door area gross exposed wall azea DESIGN ALLO«"�BLE (from table above) MINNESOTA ENERGY CODE - WHICH RULES MAY I USE � TYPE OF RESIDENTL4I,BL'ILDING APPLIC�BLE RUL,ES Detached R-3 occupancy 1-and 2-family d�ti•ellings Chapter 7672; or Examples: single family,ri��n homes,duplexes Chapter 7670"Category 1" with statutorv depressurization and venrilarion requirements �ttached R-3 oceupancy dw�etlings Chap[er 7674; or Examples: triplex tow�nhouses and row houses Cbapter 7670 with either"Category 1" or "CateQory 2" provisions R-1 occupanc}•buildin;s of 3 stories or less Chapter 7674; or . Examples: condominiums or apartmenU Chapter 7670 with either"Category I" or "Cateeory�2" provisions R-1 occupancy buildings o��er 3 stories high Chapter 7676 f Examples: hi;h rise condos or apartments ,�� 11