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REV1 REVIEWED BLD2024-0321+Energy_Calculations+7.5.2024_10.59.24_AM+4359735REVISION Jul 05 2024 CITY OF EDMONDS WSU Code Compliance Calculator, WSEC 2018 BLD2024-0321 Project Information DEPARTMENT Taylee Pardi Garage Conversion to Livable Space 1.5 Total Credits with Option 1.3 Contact Information Nathan Bonck Olympic Hills Drafting & Design, LLC 307-258-1841 nbonck of m ichillsdraftin desi n.com ANALYSIS SET UP UA Reduction = 0.55, Proposed UA is better than baseline by 1 Whole House Mechanical Ventilation Airflow Rate: 90 CFM with Run Time Percent of 50%, Unbalanced, Not Distributed Results assume your inputs are complete and correct. Results do not constitute an approval. Analysis should be reviewed by your AHJ. What code compliance pathway are you using? Prescriptive Path Compliance with Option 1 referred Project Building Type? Addition Occupancy Type? R3 Single family homes and duplexes Code Version? WSEC 2018 Classification: Addition of 500 sf or less -- 420 sq. ft. Baseline Description: Code Baseline - Baseline and proposed window areas are equal. About Your Selection: Up to 15 sf exempt window and 24 sf exempt door allowable RESULTS - Comparison of Baseline and Proposed Design Component Performance. R occupancies Doors U = Overhead Glazing U = Vertical Glazing U = Flat/Vaulted Ceilings U = Wall (above grade) U = Floors over Crawlspace U = Slab on Grade F = Below Grade Wall U = Below Grade Slab F = Baseline U Area UA 0.300 0 0.0 0.500 32 16.0 0.300 23 7.0 0.027 412 11.1 0.056 605 33.9 0.029 0 0.0 0.540 75 40.5 0.042 01 0.0 0.570 0 0.0 ................................................. REVIEWED BY CITY OF EDMONDS e BUILDING DEPARTMENT Proposed Design U Area UA 0 0.0 0.500 32 16.0 0.300 23 7.0 0.029 412 11.8 0.054 605 32.7 0 0.0 0.540 751 40.5 01 0.0 01 0.0 Baseline UA Total 108.5 Proposed UA Total 107.9 Required Credits 1.5 Proposed Credits 2.0 from Tables 406.2 and 406.3 UA Percent Reduction 0.5% UA Reduction 0.5 If the Proposed UA <_ the Target UA, and the Proposed Credits from Table 406 are >_ those required in Section R406, then the home meets the WSEC. Table R406.2 Fuel Normalization Credits Fuel Normalization Total Credits System No. Full Description Select System Type Credits 406.2 Energy Credits 406.3 406.2 & 406.3 For heating system based on electric resistance with a ductless mini -split heat pump system in Electric Resistance with Ductless 4 accordance with Section R403.7.1 including the exception Heat Pump 0.5 1.5 2.0 Table R406.3 Energy Credits Energy Option No. Category Select Options Credits Brief Description of Selected Options* 1 Efficient Building Envelope 0.0 2 Air Leakage Control and Efficient Ventilation 0.0 3 High Efficiency HVAC Option 3.4 1.5 Ductless Split System, Zonal Control. Min HSPF of 10. 4 High Efficiency HVAC Distribution System NA 5.1 Efficient Water Heating 0.0 5.2-5.6 Efficient Water Heating 0.0 6 Renewable Electric Energy kWh 0.0 7 Appliance Package 0.0 Energy Credits 1.5 *Refer to WSEC 2018 Table R406.3 for complete option descriptions and requirements THERMAL ENVELOPE DETAILS - Proposed Design Conditioned Floor Area of Addition, Proposed Desi n 420 sq. ft Pardi Garage Conversion WSEC 2018 - Rafter Option.xlsm 6/3/2024 1 WSU Code Compliance Calculator, WSEC 2018 Classification Addition of 500 sf or less Notes Exterior Doors Plan Component Door Width Hei ht ID Description Ref. U Qt. Feet I"`" Feet I"`" Area UA Exempt Insulated Steel, Wood Edge ISteelWE 10-6C 0.16 1 3 ° 6 8 20 3.2 0 0.0 0 0.0 0 0.0 0 0.0 01 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 Sum of Area and UA (excluding exempt door) 0 0.0 Exterior Doors Area Weighted U Overhead Glazing Plan ID Component Description Ref. Glazing U Qt. Width Height Area UA Feet I"`" Feet I"`" 2 I wood, a=0.05 argon Code Baseline 10-6E 0.50 2 2 ° 6 ° 24 12 2 l wood, a=0.05 argon Code Baseline 10-6E 0.50 2 2 ° 2 ° 8 4 0 0 0 Sum of Area and UAI 321 16 Overhead Glazing Area Weighted U 0.500 Vertical Glazing Schedule Rows to Show 1 Plan Component Glazing Width Height Feet I '"`" Feet I"`" ID Description Ref. U Qt. Area UA Exempt 1 U=0.30 Code Baseline Table 406.2 0.30 1 2 21 11 4 ° 23.3 7.00 Sum of Area and UA 23.3 7.0 Vertical Glazing Area Weighted U 0.300 Vertical Glazing and Doors Area Weighted U 0.300 FlatNaulted Ceilings Plan ID Component Description Ref. Attic U Area UA R49 blown Attic STD baffled 10-7 0.027 80 2.2 R38 batt Vault unvented 2x12 16oc 10-7 0.029 332 9.6 Sum of Area and UAI 4121 11.8 Walls Above Grade Plan ID Component Description Ref. Wall U Net Area UA R21 cavil +RO foam INT 2X6W La Code Baseline 10-5 0.054 363 20 R21 cavil +RO foam INT 2X6W Lap Code Baseline 10-5 0.054 242 13 Sum of Area and UA 6051 33 Floor over crawl or exterior Plan ID Component Description Ref. Floor U Area UA 0 Sum of Area and UA 1 01 0 Slab on Grade less than 2 feet belowgrade) Plan I Component Slab Pardi Garage Conversion W SEC 2018 - Rafter Option.xlsm 6/3/2024 WSU Code Compliance Calculator, WSEC 2018 ID I Description Ref. I F Slab Perim FP R-7.5 On to of slab(Existing slab conversion only) Footnote, Ta 0.540 75 40 Sum of Perimeter and FP 75 40 Below Grade Walls and Slabs Plan ID Component Description Ref. Wall U Wall Area Wall UA Slab F Slab Perim Slab UA Sum of Area, Length and UA 01 0.0 01 0 Ventilation Number of Bedrooms 2 Run -Time Percent in Each 4-Hour Segment 50 Is the system Balanced? Unbalanced Is the system Distributed? Not Distributed Ventilation Code Section IRC, Chapter 15 Whole House Mechanical Ventilation Airflow Rate 90 CFM HVAC Thermal Distribution System Download RS-33 (2018) htt ://www.ener .wsu.edu/Documents/Duct%20Testin %20Standards%2 Is this a hydronic heating system? INO Location of Ducts Unducted Location of Air Handler Unconditioned Space Existing Construction: Are Any of These Exceptions True? Are ducts systems documented to have been previously sealed as confirmed through No field verification and diagnostic testing per RS-33? Is there less than 40 linear feet in unconditioned spaces? No Are existing duct systems constructed, insulated or sealed with asbestos? No Is the project an Addition less than 750 sf of conditioned floor area? Is Duct Testing Required? No No Compliance Certificate Compliance Certificate Instructions Insulation Certificate for Residential New Construction Insulation Certificate Duct Testing Affadavits Existing Construction Affidavit, Existing New Construction Affidavit, New Prescriptive Checklist for 2018 WSEC Prescriptive Checklist Alterations (Remodel) Worksheet Worksheet Heating System Sizing - Proposed Design Try Out BetterBuiltNW's HVAC Sizing Tool: ht[ps://betterbLiiltnw.com/resources/hvac-sizing-tool Nearest Weather Station Indoor Design Temperature Outdoor Design Temperature Design Temperature Difference (AT) Conditioned Floor Area of Addition, Proposed Design Conditioned Volume Leave blank to use default of 8.5 ft. ceiling height HVAC System Type Location of HVAC Distribution System Sum of UA, including exempt door and window 70 F 24 F 46 F 420 ft2 3,571 0 All Other Svstems (not heat Dump) Unducted 108 Envelope Heat Load 4,965 Btu / Hour Sum of UA X AT Air Leakage Heat Load 1,774 Btu / Hour ((volumeX 0.6) X AT) X.018)) Building Design Heat Load 6,739 Btu / Hour Air Leakage + Envelope Heat Loss Building and Duct Heat Load 6,739 Btu / Hour For ducts located in unconditioned space: Sum of Building Heat Loss X 1.1 For ducts located in conditioned space or ductless: Sum of Building Heat Loss X 1 Maximum Heat Equipment Output 9,434 Btu / Hour Building and Duct Heat Loss X 1.25 for heat pumps Pardi Garage Conversion WSEC 2018 - Rafter Option.xlsm 6/3/2024 3 WSU Code Compliance Calculator, WSEC 2018 Building and Duct Heat Loss X 1.40 for all other systems Pardi Garage Conversion W SEC 2018 - Rafter Option.xlsm 6/3/2024