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HomeMy WebLinkAboutLoad Calculation totals 3/31/25 EC I . ED1 r-- MA 312025 o @ic BUILDING DEPARTMENT By - Project Name: lewis bay builders Address: 31 Crowell Road,Yarmouth, MA OUTDOOR DESIGN CONDITIONS Weather station: Chatham Municipal AP Summer Outdoor F: 79 Summer Indoor F: 75 Design Grains: 35 Daily Range: Low Winter Outdoor F: 16 Winter Indoor F: 70 Cooling RH: 50 Elevation (Ft): 62 LOAD CALCULATION TOTALS HVAC System: hydro air heat pumps Heated square footage: 2,926 Heating BTUH: 55,160 Cooled square footage: 2,926 Cooling BTUH: 34,744 Heated volume(above grade CF): 26,330 CFM: 1,541 Cooled volume(above grade CF): 26,330 Sensible cooling: 30,525 Exposed wall area(SF): 2,983 Latent cooling: 4,219 SHR: 0.879 Load Calculation Cooling Heating 0 20,000 40,000 60,000 BTUH Approved ACCA MJ8 Calculations Powered by Calculations are based on the ACCA Manual J 8th Edition and are approved by ACCA. All computed calculations are estimates on building use, weather data, and inputted . values such a R-Values, window types, duct loss, etc. Equipment selections should meet both the latent and sensible gain as well as building heat loss. MANUAL JM HEATING AND COOLING LOADS HEATING LOADS Heating Loads SECTION AREA HEAT LOSS windows -___. aboveGradeWalls aboveGradeWalls 2,418.7 12,669 23% ceilings 2,185 2,360 ceilings ducts 0 5.191 infiltration 4.3°fo floors 2,184.9 13,342 21.5% ducts 9.4% infiltration 0 11,853 floors skylights 0 0 24,2% windows 564 9.746 Totals 55,160 COOLING LOADS Cooling Loads SECTION AREA SENSIBLE LATENT aboveGradeWalls AEDExcursion 0 152 0 appliances AJ ndows aboveGradeWalls 2,418.7 5,420 0 9.8% appliances 0 3,400 0 ceilings 6.2% ceilings 2,185 2,141 0 occupants ducts ducts 0 1,948 930 50° 8.3% infiltration / ( floors floors 2,184.9 2,449 0 7.540 7% infiltration 0 405 2,189 occupants 0 920 800 plants 0 0 300 skylights 0 0 0 windows 564 13.689 0 Totals 30,525 4,219 FENESTRATION LOADS Warning (0): This application has glass areas that produced relatively large cooling loads for part of the day. Zoning may be required to overcome spikes in solar load for one or more rooms.A zoned system may be required, or some rooms may require zone control(provided by individual, motorized,thermostatically controlled dampers). AED Graph (mid-summer) 20.000 10000 m 0 8 9 10 11 12 13 14 15 16 17 18 19 — BTUH -- Average Average* 1.3 This graph represents hourly aggregrate fenestration loads in mid-summer. AED graph (fall) 20.000 -�� 10000 0 8 9 10 11 12 13 14 15 16 17 18 19 BTUH — Average Average* 1.3 This graph represents hourly aggregrate fenestration loads in October. COMPONENT LOADS ABOVE GRADE WALLS Map trace wall Frame Wall. Wood framing, R-11 cavity Construction nr: 12B-0s w Exposure: N Heating BTUH: 1,611 U Value: 0.097 Area: 307.6 Cooling BTUH: 689 insulation. Stucco or Siding. Map trace wall Frame Wall. Wood framing, R-11 cavity Construction nr: 12B-Os w Exposure: SE Heating BTUH: 2,646 U Value: 0.097 Area: 505.1 Cooling BTUH: 1,132 insulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-0s w Exposure: SW Heating BTUH: 699 U Value: 0.097 Area: 133.4 Cooling BTUH: 299 insulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-Os w Exposure: SW Heating BTUH: 1,173 U Value: 0.097 Area: 223.9 Cooling BTUH: 502 insulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-Os w Exposure: NW Heating BTUH: 1,669 U Value: 0.097 Area: 318.7 Cooling BTUH: 714 nsulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-0s w Exposure: NW Heating BTUH: 643 U Value: 0.097 Area: 122.8 Cooling BTUH: 275 insulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-Os w Exposure: N Heating BTUH: 899 U Value: 0.097 Area: 171.6 Cooling BTUH: 385 insulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-Os w Exposure: SE Heating BTUH: 1,233 U Value: 0.097 Area: 235.4 Cooling BTUH: 527 insulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-0s w Exposure: SW Heating BTUH: 962 U Value: 0.097 Area: 183.7 Cooling BTUH: 412 insulation, Stucco or Siding. Map trace wall Frame Wall, Wood framing, R-11 cavity Construction nr: 12B-Os w Exposure: NW Heating BTUH: 1,134 U Value: 0.097 Area: 216.5 Cooling BTUH: 485 insulation, Stucco or Siding. BELOW GRADE WALLS There are no components for this section. WINDOWS Default small windows for wall id 9902823 Construction nr: 1G U Value: 0.32 Heating BTUH: 207 Window, NFRC rated, Clear glass. E posure: N 12 SHGC: 0.68 Cooling BTUH: 129 Default medium windows for wall id 9902823 Construction nr: 1G Area: 24 U Value: 0.32 Heating BTUH: 415 Window, NFRC rated, Clear glass. Exposure: N SHGC: 0.68 Cooling BTUH: 257 Default large windows for wall id 9902823 Construction nr: 1G U Value: 0.32 Heating BTUH: 622 Window, NFRC rated, Clear glass. Exposure: N SHGC: 0.68 Cooling BTUH: 386 WINDOWS Default medium windows for wall id 9902824 Construction nr: 1G U Value: 0.32 Heating BTUH: 622 Window, NFRC rated, Clear glass. Exposure: SE SHGC: 0.68 Cooling BTUH: 1,132 Default large windows for wall id 9902824 Construction nr: 1G U Value: 0.32 Heating BTUH: 1,244 Area: 72 Window, NFRC rated, Clear glass. Exposure: SE SHGC: 0.68 Cooling BTUH: 2,265 Default small windows for wall id 9902821 Construction nr: 1G U Value: 0.32 Heating BTUH: 207 Area: 12 Window, NFRC rated, Clear glass. Exposure: SW SHGC: 0.68 Cooling BTUH: 403 Default medium windows for wall id 9902821 Construction nr: 1G U Value: 0.32 Heating BTUH: 415 Window, NFRC rated, Clear glass. Expa: 24 osure: sw SHGC: 0.68 Cooling BTUH: 806 Default small windows for wall id 9902825 Construction nr: 1G U Value: 0.32 Heating BTUH: 104 Window, NFRC rated, Clear glass. Expa: 6 osure: sw SHGC: 0.68 Cooling BTUH: 201 Default medium windows for wall id 9902825 Construction nr: 1G U Value: 0.32 Heating BTUH: 207 Window, NFRC rated, Clear glass. Area: 12 SHGC: 0.68 Cooling BTUH: 403 Exposure: SW Default large windows for wall id 9902825 Construction nr: 1G U Value: 0.32 Heating BTUH: 622 Area: 36 Window, NFRC rated, Clear glass. Exposure: SW SHGC: 0.68 Cooling BTUH: 1,208 Default small windows for wall id 9902820 Construction nr: 1G U Value: 0.32 Heating BTUH: 207 Window, NFRC rated, Clear glass. Exposure: Nw SHGC: 0.68 Cooling BTUH: 230 Default medium windows for wall id 9902820 Construction nr: 1G U Value: 0.32 Heating BTUH: 415 Area: 24 Window, NFRC rated, Clear glass. Exposure' NW SHGC: 0.68 Cooling BTUH: 460 Default large windows for wall id 9902820 Construction nr: 1G U Value: 0.32 Heating BTUH: 622 Area: 36 Window, NFRC rated, Clear glass. Exposure: NW SHGC: 0.68 Cooling BTUH: 689 Default small windows for wall id 9902822 Construction nr: 1G U Value: 0.32 Heating BTUH: 104 Area: 6 Window, NFRC rated, Clear glass. Exposure: NW SHGC: 0.68 Cooling BTUH: 115 Default medium windows for wall id 9902822 Construction nr: 1G U Value: 0.32 Heating BTUH: 415 AWindow, NFRC rated, Clear glass. Exea: 24 posure: NW SHGC: 0.68 Cooling BTUH: 460 Default small windows for wall id 9902831 Construction nr: 1G U Value: 0.32 Heating BTUH: 104 Window, NFRC rated, Clear glass. Exposure l6v SHGC: 0.68 Cooling BTUH: 64 Default medium windows for wall id 9902831 Construction nr: 1G U Value: 0.32 Heating BTUH: 622 Window, NFRC rated, Clear glass. Exposure: N SHGC: 0.68 Cooling BTUH: 386 Default small windows for wall id 9902832 Construction nr: 1G U Value: 0.32 Heating BTUH: 104 Area: 6 Window, NFRC rated, Clear glass. Exposure: SE SHGC: 0.68 Cooling BTUH: 175 Default medium windows for wall id 9902832 Construction nr: 1G U Value: 0.32 Heating BTUH: 207 AWindow, NFRC rated, Clear glass. Expa: 12 osure: SE SHGC: 0.68 Cooling BTUH: 364 Default large windows for wall id 9902832 Construction nr: 1G U Value: 0.32 Heating BTUH: 622 Window, NFRC rated, Clear glass. Area: 36 Exposure: SE SHGC: 0.68 Cooling BTUH: 1,105 Default small windows for wall id 9902833 Construction nr: 1G U Value: 0.32 Heating BTUH: 104 Window, NFRC rated, Clear glass. Expa: 6 osure: SW SHGC: 0.68 Cooling BTUH: 191 Default medium windows for wall id 9902833 Construction nr: 1G U Value: 0.32 Heating BTUH: 622 Window, NFRC rated, Clear glass. Area: 36 SHGC: 0s8 Cooling BTUH: 1,177 Exposure: SW Default small windows for wall id 9902830 Construction nr: 1G U Value: 0.32 Heating BTUH: 207 Window, NFRC rated. Clear glass. Exposure: NW SHGC: 0.68 Cooling BTUH: 218 Default large windows for wall id 9902830 Construction nr: 1G Area: 36 U Value: 0.32 Heating BTUH: 622 Window. NFRC rated. Clear alass. SHGC 0 68 Cnnlina BTUH 677 Window cooling BTUHs shown here are daily average values. See AED graphs for details of fenestration loads during the day. CEILINGS Map trace generated ceiling Ceiling under attic or attic knee wall,Asphalt Construction nr: 16B-50 ad Area: 1,444.4 Heating BTUH: 1,560 tl Value: 0.02 Cooling BTUH: 1,416 shingles, Dark, R-50. Map trace generated ceiling Ceilingunder attic or attic knee wall,Asphalt Construction nr: 16B-50 ad Heating BTUH: 800 P Area: 740.6 U Value: 0.02Cooling BTUH: 726 shingles, Dark, R-50. SKYLIGHTS There are no components for this section. Skylight cooling BTUHs shown here are daily average values.See AED graphs for details of fenestration loads during the day. DOORS There are no components for this section. FLOORS Map trace generated floor Floor over enclosed unconditioned crawl space Heating BTUH: 13,342 Construction nr: 19A-Ocp Heating U Value:0.295 Cooling BTUH: 2,449 or basement, no floor insulation, Carpet or Area: 2,184.9 Cooling U Value:0.295 F Value: N/A hardwood. VENTILATION There are no components for this section. HOT WATER PIPING There are no components for this section. DUCTS System generated ducts(below conditioned space) EHLF: 0.104 Heating BTUH: 5.191 Closed Crawl Space-Radial ESGF: 0.069 Sensible BTUH: 1,948 ELG: 930 Latent BTUH: 930 INFILTRATION NCFM Heating: 200 Heating BTUH: 11,853 Leakage Category: Average Sensible BTUH: 405 NCFM Cooling: 92 Latent BTUH: 2,189 BLOWER MOTOR There are no components for this section. WINTER HUMIDIFICATION There are no components for this section. OCCUPANTS Nr.Occupants: 4 Sensible BTUH: 920 Latent BTUH: 800 APPLIANCES Kitchen,utility room,additional fridge,lighting:3,400 BTUH Quantity: Sensible BTUH: 3,400 Latent BTUH- PLANTS Plant Size: small Quantity: 5 Latent BTUH: 50 Plant Size: medium Quantity: 5 Latent BTUH: 100 Plant Size: large Quantity: 5 Latent BTUH: 150 li ROOM DETAIL Room name: 1st floor Heated square footage: 2,185 Total Cooling BTUH: 19,822 Cooled square footage: 2,185 Total Heating BTUH: 41,705 Heated volume(above grade CF): 19,664 CFM: 927 Cooled volume(above grade CF): 19,664 Exposed wall area(SF): 1,990 Load Calculation Cooling Heating 0 10,000 20,000 30,000 40,000 50,000 BTUH AED Graph (mid-summer) 15.000 = 10,000 m 5.000 0 8 9 10 11 12 13 14 15 16 17 18 19 — BTUH — Average Average* 1.3 AED graph (fall) 15.000 = :::: 0 8 9 10 11 12 13 14 15 16 17 18 19 — BTUH — Average Average* 1.3 ROOM DETAIL Room name: 2nd floor Heated square footage: 741 Total Cooling BTUH: 'ry Cooled square footage: 741 Total Heating BTUH: .s Heated volume(above grade CF): 6,666 CFM: Cooled volume(above grade CF): 6,666 Exposed wall area(SF): 993 Load Calculation Cooling Heating 0 5.000 10,000 15,000 BTUH AED Graph (mid-summer) 6,000 = 4,000 ti m 2,000 0 8 9 10 11 12 13 14 15 16 17 18 19 — BTUH — Average Average* 1.3 AED graph(fall) 6.000 = 4.000 co 2.000 0 8 9 10 11 12 13 14 15 16 17 18 19 — BTUH - Average Average* 1.3