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CITY OF SANTA ANA <br />Planning and Building Agency <br />RESIDENTIAL ROOM COOLING LOAD SUMMARY <br />Project Name <br />A.D.U. ADDITION <br />FOR PERMItT/J,5kJA <br />ROOM INFORMATION <br />DESIGN CONDITIONS <br />Room Name FLOOR PLAN <br />Outdoor Dry Bulb Temperature <br />91 OF <br />Floor Area 3 77. 00 ft' <br />Outdoor Wet Bulb Temperature <br />Master ID: <br />70 °F <br />Indoor Dry Bulb Temperature 78 OF <br />Outdoor Daily Range: <br />Date: <br />26 OF <br />Opaque Surfaces Orientation Area U-Factor <br />CLTD' <br />Btu/hr <br />R-30 Roof Cathedral (N) 377.0 X 0.0346 X <br />38.0 = <br />495 <br />R-15 Wall (lM 170.1 X 0.1028 X <br />14.0 = <br />245 <br />R-15 Wall (E) 138.1 X 0.1028 X <br />14.0 = <br />199 <br />R-15 Wall (N) 201.0 X 0.1028 X <br />4.0 = <br />83 <br />R-15 Wall (S) 172.0 X 0.1028 X <br />7.0 = <br />124 <br />X X <br />= <br />X X <br />= <br />X X <br />= <br />X X <br />= <br />Page Total <br />1,145 <br />Items shown with an asterisk (`) denote conduction through an interior surface to another room. <br />1. Cooling Load Temperature Difference (CLTD) <br />Shaded Unshaded <br />Fenestration Orientation Area GLF Area <br />GLF <br />Btu/hr <br />WINDOWS (E) 0.0 X 9.7 + 32.0 X 24.4 = <br />780 <br />WINDOWS (N) 0.0 X 9.7 + 3.0 X 9.7 = <br />29 <br />WINDOWS (S) 0.0 X 9.7 + 32.0 X 11.5 = <br />367 <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 />1.176 <br />Internal Gain <br />Btu/hr <br />Occupants 1 1 Occupants X 245 Btuh/occ. = <br />277 <br />Equipment 377 Floor Area X 0.50 w/sgft <br />= <br />643 <br />Infiltration: 1.075 X 0.65 X 16.24 X 13 = <br />148 <br />Air Sensible CFM ELA AT <br />TOTAL HOURLY SENSIBLE HEAT GAIN FOR ROOM <br />3,389 <br />Latent Gain <br />Btu/hr <br />Occu 1 1 Occupants X 155 Btuhlocc. = <br />175 <br />ants <br />Infiltration: 4,822 X 0.65 X 16.24 X 0.00069 = <br />35 <br />Air Latent CFM ELA AW <br />TOTAL HOURLY LATENT HEAT GAIN FOR ROOM <br />211 <br />\ICE <br />