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CITY OF SANTA ANA <br />Planning and Building Agency <br />A r% r% rr%,LrmA <br />RESIDENTIAL ROOM COOLING LOAD SUMMARY <br />FOR PERMIT ISSU <br />Project Name <br />Date <br />SINGLE HOUSE ADDITION <br />111612026 <br />ROOM INFORMATION <br />DESIGN CONDITIONS <br />Master ID: <br />Room Name ADDITION AREA <br />Outdoor Dry Bulb Temperature <br />Date: <br />91 OF <br />Floor Area 84.40 ft2 <br />Outdoor Wet Bulb Temperature <br />70 OF <br />Indoor Dry Bulb Temperature 78 OF1 <br />Outdoor Daily Range: <br />26 OF <br />Opaque Surfaces Orientation Area U-Factor <br />CLTD' <br />Btu/hr <br />R-30 Roof Attic (N) 84.4 X 0.0438 <br />X <br />38.0 = <br />141 <br />R-15 Wall (M 95.2 X 0.1028 <br />X <br />14.0 = <br />137 <br />R-15 Wall (N) 16.0 X 0.1028 <br />X <br />4.0 = <br />7 <br />R-15 Wall (S) 24.0 X 0.1028 <br />X <br />7.0 = <br />17 <br />'Default Wall 119.2 X 0.6459 <br />X <br />0.0 = <br />0 <br />R- 19 Floor Crawlspace 84.4 X 0.0493 <br />X <br />5.0 = <br />21 <br />X <br />X <br />= <br />X <br />X <br />= <br />X <br />X <br />= <br />Page Total <br />322 <br />Items shown with an asterisk (") denote conduction through an interior surface to another room. <br />1. Cooling Load Temperature Difference (CLTD) <br />Shaded <br />Unshaded <br />Fenestration Orientation Area GLF <br />Area <br />GLF <br />Btulhr <br />WINDOWS (W) 0.0 X 9.7 + <br />16.0 <br />X 24.4 = <br />390 <br />X + <br />X = <br />X + <br />X = <br />X + <br />X = <br />X + <br />X = <br />X + <br />X = <br />X + <br />X = <br />X + <br />X - <br />X + <br />X = <br />Page Total <br />390 <br />Internal Gain <br />Occupants 0.3 Occupants X 245 <br />Btuh/occ. <br />= <br />Btulhr <br />62 <br />Equipment 84 Floor Area X 0.50 <br />w/sgft <br />= <br />144 <br />Infiltration: 1.075 X 0.65 X 3.09 X 13 = <br />28 <br />Air Sensible CFM ELA AT <br />TOTAL HOURLY SENSIBLE HEAT GAIN FOR ROOM <br />946 <br />Latent Gain <br />Btu/hr <br />Occupants 0.3 Occupants X 155 <br />Btuh/occ. <br />= <br />39 <br />Infiltration: 4.822 X 0.65 X 3.09 X 0.00069 = <br />7 <br />Air Latent CFM ELA AW <br />TOTAL HOURLY LATENT HEAT GAIN FOR ROOM <br />46 <br />NCE <br />