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HomeMy WebLinkAboutCode Computation worksheet " Z EXTERIOR ENVELOPE ENERGY CODE COMPUTATION WORKSHEET v14 To Determine Compliance with the'Minnesota Energy Code (Section 502 of the State Amended 1983 Model Energy Code) Project Title 1'2— 00 14A Site Address Ligo 70u r)4 W 11—L O UJ I. EXPOSED WALL CALCULATIONS AREA "U" VALUE AREA x "U" A. Opaque Wall 1. Masonry/Concrete a. b. x = C. x = 2. Foundation Wall (Above Grade) a. x = b. x = 3. Wood Frame Wall a. Insulated Area x b. Framing Area (Ave. 15% at 16" oc) x c. Framing Area (Ave. 10% at 24" oc) x = 4. Peripheral Floor Edge/Rim Joist a. x b. x = B. Glazing 1. Windows a. 60e:04ur T� &b x D. 32 = c► Z0 b. . x 2. Doors Ora)of 3C0 x C. Doors 1. Wood a. Solid x = b. With storm door x = 2. Metal x = 3. Overhead x = 4. Other x = D. TOTAL WALL AREA, sq. ft. E. TOTAL OF AREA x "U" H. ROOF/CEILING CALCULATIONS A. Roof/Ceiling Insulated Area CoSo x B. Roof/Ceiling Framing (Ave. 15% at 16" oc) x = C. Roof/Ceiling Framing (Ave. 10% at 24" oc) (.SO x 0, 0 7"= D. Skylight x = E. TOTAL ROOF/CEILING AREA sq. ft. F. TOTAL OF AREA x "U" 15 M. BUILDING ENVELOPE REQUIREMENTS TOTAL REQUIRED ALLOWABLE AREA "U" (From I.D&II.E) (From V.) (Area x "U")) A. Exposed Wall: a t3 x • 1` = I �1l ` , B. Roof/Ceiling: _12500_x 0,7,(p = 2__A 40" C. TOTAL ALLOWABLE BUILDING ENVELOPE(Total of A&B above) �� Z IV. ACTUAL BUILDING ENVELOPE ACTUAL (Area x "U") A. Exposed Wall (From I.E) Z TJ' • g B. Roof/Ceiling (From ILF) ?Cv• D C. TOTAL ACTUAL BUILDING ENVELOPE (Total of A & B) *(Meets code requirements if less than M.C) V. REQUIRED "U" VALUES WALLS ROOF/CEILING Detached one and two family dwellings .11 .026 *Multi-Family Residential Buildings .238 .033 (3 stories of less in height) *All other Construction Types (3 stories or less) .238 .06 *All Other Construction Types (More than 3 stories) .28 .06 *Based on 8007 heating degree days (Mpls/St. Paul) Adjust "U" values accordingly for other locations CERTIFICATION I hereby certify that I have completed the above information and that it complies with the Minnesota State Energy Code. SignatureDate BCSD 3-89 CC/SM6574 16 ENERGY CODE DESIGN BY ACCEPTABLE PRACTICE To Determine Compliance with the Minnesota Energy Code (Section 602 of the State Amended 1983 Model Energy Code) This form is only applicable to detached one-and two-family dwellings. The requirements herein are based on Table No. 6-11 in lieu of the criteria specified in Sectio/ns 602.2.1, .2 and .3. Building Address .6(Jt 01 CLO W (•� Contractor or er IL. I L < Pe Building Element "R" Values Area (sq ft) % of Ext. Walls Ceilings Design'!1,7 Req'd 38 Walls (exterior) Design?-?-Ateq'd 20 FEe (w/o fdn) Floors (over unheated spaces) Design Req'd 20 G '� q *Windows (in bldgs w/o 7�0 Design Req'd 12 sliding glass door) (glass) *Windows (in bldgs with a Design 1\`7 Req'd 10 sliding glass door) (glass) Foundation Walls Design i7, &eq'd 5 (when insulating full depth of foundation wall) Design Req'd 10 (when insulating only to frost depth and footings extend below) Slab-on-grade floors Design Req'd_(See Figure No. 3) **Doors (1-3/4" metal faced) Design Req'd 3 * All windows shall be double glazed or have storm windows ** Conventional doors other than metal require a storm door CERTIFICATION I hereby certify that I have completed the above information and that it complies with the Minnesota State Energy Code. Signature Date BCSD 3-89 `�$T CC/SM/6593 19 GUIDELINE TO (R) FACTORS FROM ASHRAE MANUAL OF TYPICALLY USED PRODUCTS AIR FILMS SHEATHING Interior Air Film (Walls) 0.68 3/4" Wood Subfloor or Sheathing 0.94 Exterior Air Film (Walls 0.17 1/2" Plywood Sheathing 0.62 Interior Air Film (Vented Ceiling) 0.61 1/2" Particle Board 0.66 Exterior Air Film(Vented Ceiling) 0.61 Gypsum or Plaster Board 3/8" 0.32 Interior Air Film (Non Vented) 0.61 Gypsum or Plaster Board 1/2" 0.45 Exterior Air Film (Non Vented) 0.17 Gypsum or Plaster Board 5/8" 0.56 Plywood 3/8" 0.47 BLOWING WOOLS Plywood 1/2" 0.62 Approx. 3" 9.00 Plywood 3/4" 0.93 Approx. 4 1/2" 13.00 Sheathing, Reg. Density 1/2" 1.32 Approx. 6 1/4" 19.00 Sheathing, Reg. Density 25/32" 2.06 Approx. 7 1/4" 24.00 Nail-Base Sheathing 1/2" 1.14 Approx. 14" 30.00 Approx. 18" 40.00 ROOFS All other insulation materials Built-up Roofs 0.33 must be verified (R Factor) Asbestos-Cement Shingles 0.21 Asphalt Roll Roofing 0.13 INSULATION Asphalt Shingles 0.44 Insulation: 2-2 3/4" Fiberglass 7.00 Insulation: 3 1/2" Fiberglass 11.00 SIDING Insulation" 6" Fiberglass t 19.00,:r- Aluminum Siding 0.61 Insulation: 3 5/8: Fiberglass 13.00 Aluminum with Backer 1.82 Insulation: 9" Fiberglass 30.00 Aluminum with Backer & Foiled 2.96 Insulation: 12" Fiberglass 38.00 1/2 x 8 Lap Siding (Wood) 0.81 Insulation: 8" Cellulose 29.00 7/16 x 12 Hardboard Siding 0.67 Insulation: 10" Cellulose 37.00 Asbestos Sidings 1/4 Lapped 0.21 Insulation: 12" Cellulose 44.00 Stucco (Brown and Finish Coat) ---- Insulation: 1 1/2" Thermax 12.00 Insulation: 2" Thermax 16.00 DOORS 13/4" Solid Core Door .46 WOODS w/Storm, Wood .31 Fir, Pine & Similar Soft Woods w/Storm, Metal .26 1 1/2 1.89 Pease Steel DoorInsl/N/GL 7.45R .13 2 1/2" 3.12 Sliding Glass Door, Wood .65 3 1/2" 4.35 Metal .72 5 1/2" 6.87 WINDOWS CONCRETE BLOCK All Windows 8" Concrete Block (S & G Reg.) 1.11 (w/Storms V to 4" Space) .56 (Filled with Vermiculite) 1.93 Removal Double Glazing (RDG) .55 12" Concrete Block (S & G Reg.) 1.28 Thermo or Welded 3/16"Air Space .69 (Filled with Vermiculite) 3.15 1/4" Air Space .65 8" Light Weight 2.18 1/2" Air Space .58 (Filled with Vermiculite? 5.03 (Other windows specifically tested 12" Light Weight 2.48 can use better ratings) (Filled with Vermiculite) 5.82 20 CONSTRUCTION R VALUE- CEILING SECTION (INSULATED) : 1 Interior air film 2 f40 3l Z '' t aar M 6-0*45 3�.©D 3 4 4 Exterior air film (still) 0.Al TOTAL R = �,78 U. 1/R - 0.0'� CEILING FRAMING SECTION: 1 2 5 1 Interior air film O.F1 2 O C..1L AIR VENTED 4 Inter?or ariir �A ��"+55 3 � FLOW 5 hes soft wood TOTAL R U I/R �rDZ► CEILING SECTION (INSULATED) : 1' Interior air film O•Fi 2 4 Exterior air filmstill 071 TOTAL• R = FV1Z , U 1/R = L :Di Lo 3 4 5 CEILING, FRAMING, SECTION: I. Interior air film 0•61 VENTED 2 3 4 Exterior air film still n.61 5 Inches soft wood TOTAL R = U = 1/R = 3 4 5 •'t ���='' " 1 Inside air film A.�1 S Outside air film x• 17 2 TOTAL R = � . U 1/R = 18 r• • CONSTRUCTION R VALUE - , WALL FRAMING SECTION: - 1 Interior air film 0.68 5 2 Z EET 0_0 e. -c., ©. ul 3 *c v Inches soft wood 4 3 IT - Iz,rE , lip 5 Z •' 1 U-) 6 Exterior air film 0. 17 TOTAL R - U = 1/R - 14ALL SECTION (INSULATED) —(1 Interior air film 0•F,R Z¢ 2 Z� `+SS (4 _ 'meq &Lr_ atraC 21oCa F+ Exterior air film 0. 17 ?jCO� TOTAL R = ZZ-�8 �� yy U = 1/R = 0.0`{ RIM JOIST SECTION: i Interior air film n•68 2 —(3 fi 6 Exterior air film 0. 17 TOTAL R - FOUNDATION INSULATION REQUIRED: Min. R-5 on entire wall OR U = 1/R = . �•� a , . a• Min. R-10 down to frost depth A: FOUNDATION SECTION: e,•--. 1 Interior air film n•6R .- .A 2 �� R 1 mC� 3 ( OLV, ••ss = 4 Exterior air film n. 17 ,JA"4 (6 TOTAL R U = SLAB ON GRADE •v ` ' Ice :f ZL . .d 1 • a• • 4 Aq Heated Slabs: 8.5 ' � •.. Minimum R = � q - • • ' -• , � �; �..4. Unheated Slabs: 11 , •� Minimum R = 6.2 ,d: q ' • '