2003-P05903 - new structure - Laserfiche WebLink

Home Browse Search

, t . , aq frA.,�ak;�en.w h'"..'ry Job Site Address: r PLACE YOUR LITI'LOGO HERE � Provided for your use-courtesy of the "CATEGORY 1" ALTERNATE FOR City of Inver Grove Heights �i ONE & TWO FAMILY DWELLINGS � 651-450-2550 � INSTRUCTIO\S: This alternative may be used for one- and two-family dwellings built to meet the Category 1 requirements of NTinnesota Rules, Chapter 7670. Complete Parts A,B, and C. Clearly mark plans with: insulation R-��alues; window and skylight U- calues; size and type of equipment; equipment controls; and locarion of vapor retarder and �t�ind�vash barriers. More detailed information can be found in the Minnesota Energy Code summary sheets available from the vlinnesota Department of Commerce. Part A. BUILDING ENVELOPE . .. _._. .._. �._�__�__ . �__ . ._--.- _m _�___.,____.�__.___; Check proposed envelope joint seating option 3 Prescripti��e(caulking,gaskets,etc.) 0 Performance(test per 7670.0470 subp 7.C.) ; _ . _ ,_ _. _ , :c Check thermal energy calculation option used-� � "Cookbook" (complete worksheet below) ❑ I�tnCheck method(attach report) � p Performance (attach U-value calculations) ❑ Systems Anaiysis method(attach analysis) ' "Cookbook" Worksheet �1I�I��`I�Q��NTS (for��Cookbook"option onlv) Ceiling Insulation: Minimum R-38 with 7'/z"energy heel; or IvsTxucTio?�s Minimum R-44�vith low truss heel; or Step I. Check item(s)that design meets on Minimum Reguirements list I�finimum R-3S �t�ith R-5 sheathing u,•hen no attic. to the right.Must meet all items to use"Cookbook"option. Entry Doors: Max.U-value of 0.30 or 1'/.."solid wood with storm Step 2. Indicate proposed wall type on table below. Rim Joist Insulation: 1�4inimum R-19 Step 3. Indicate�Vindow U-value and source. Floors over unconditioned spaces: Minimum R-24 Step 4. Verify total window(including area of all foundation w•indows) Foundation Insulation: Minimum R-10 and door area is equal or less than allowable percentaQe. Foundation windo�vs: '/�"insulated glass,�vood or vinyl frame TABLE FOR DETF��IIIING tiiAXI�1LJIVFWINDO�V Ai\'D DOOR ARE�. ?�laximum AI]owable Total�Vindow and Door Area as aPercentage of Exposed�Tr'all � 12%0 1�% 16% 18% 20% 22% ' 24% 26% 28% �VaII Type (Standard Framing): Maximum Average�Vindow U-value(except foundarion ti��indows): ❑ 2x4,R-13 insulation, b R-7 sheathing "0.5� 0.47 O.dl 0.36 0.33 0.30 ' 0.27 0.2� 0.23 ❑ 2x4,R-1� insulation, b R-� sheathin� -0.�2 0.4� ' 039 0.35 03] 0.28 0.26 0.24 0.22 ' 2x6.R-19 insulation,<R-5 sheathing 4.48 0.41 0.36 0.3? 0.29 0.26 0.24 - 0.22 0.21 : ❑ 2x6,R-19 insulation, L� R-� sheathing ;0.56 0.48 ' -0.42 037 0.3� 031 0.28 0.26 0.24 ❑ 2x6,R-ZI insulation,<R-5 sheathing 0.51 0.43 0:38 034 , 0.30 0.28 U?� 0.23 0.22 ❑ 2x6,R-21 insulation, b R-� sheathing �.58 0.50 - 0:� 0.39 0.3� 032 0.29 0?7 0.2� Wall Type (Ad��a,ced Framing): ` Maximum Avera�e��%indow U-value(except ioundarion windou•s): ❑ 2x6, R-19 insulation,<R-�shea[hin� 0.�2 0.4� ' 0.39 0.35 031 OZ8 - - 0.26 0.24 o.22 ❑ 2x6,R-19 insalation, �i R-5 sheathing 0.�8 0.50 0.�.4 039; 035 032 0.29 0.27 ' 0.25 ❑ 2x6,R-'_i insulation,<R-�sheathin� 0.55 0.47 0.41 0.36 0.33 0.30 0?7 0.2� 0.23 ❑ _'r6,R-21 insulation, � R-5 sheathing 0.60 0.52 0.46 • 0.41 o.36 033 0.30 '0.2� 0.26 Windo�v U-value: - Source: NFRC ❑ ASHRAE 1993 Handbook 1oox � g61 � �� :� ,n - t... _ . % < 3a. % _ window&door area gross exgosed«�all area DESIGN ALLO«'�BLE (from table above) MINNESOTA ENERGY CODE - WH/CH RULES MAY l USE ? TYPE OF RESIDENTIAL BUILDLNG APPLICABLE RLI.,ES Detached R-3 occupancy i-and 2-family d�re]lings Chapter 7672; or Examples: single family,ri��n homes,duplexes Chapter 7670"Category 1" with statutory depressurization and ventilation requirements Attached R-3 occupancy dwetlinas Chapter 7674; or Examples: �iplex tow�nhouses and row houses Chapter 7670 with either"Category 1" or "Catesory Z" provisions R-1 occupanc}•buildines of 3 stories or less Chapter 7674; or ., Examples: condominiums or aparhnents Chapter 7670 with either"Category 1" or "Category�2" provisions R-1 occupancy buildings over 3 stories high C6apter 7676 ° Examples: hi�h rise condos or apartments : ;�,� 11