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IBILD ING PRODUCTS <br />A ..- AEL-2 L. <br />P/2 <br />P12 <br />0.98 height factor, Exposure Band C <br />Topographic factor <br />Wind Directionality factor <br />Importance Factor <br />Gust Factor <br />Net Pressure Coefficeht 08£*u Amngm <br />8 Dead 1 psf Houston, TX 77017 <br />=-J Design Design (713) 946-9000 <br />Panel Span (P) <br />Down Load Up Load <br />Carl Putnam, P. E.Wind85 8 <L<Red mph) Exposure h .3441 Ivy!ink Place <br />11.0 11.2 12.2 10.6 Lynchburn, VA 24503 <br />90 B 12.3 12.6 13.6 12.0 (434) 384-2514 <br />100 B 15.2 15.5 16.5 14.9 cariputnam@comcast. net <br />lei <br />2¥DOC< Header XXXXXXXXXXXXXXX0 105 16.8 17.1 18.1 16.5B <br />B 18.4 18.8 19.8 <br />B 21.9 22.4 23.4 21.81 8.2 B 25.7 26.3 27.3 25.7 <br />Figure 1 C 15.4 15.7 16.7 15.1 <br />Patio Cover Length (L)C 17.3 17.6 18.6 17.0 <br />F 110 <br />120 <br />130 <br />85 <br />90 <br />Determine Snow Loads on Existing Structure <br />1 Determine Raof Snow/Live Load, S. See General Note 14. <br />2 Dead Load = 1 psf <br />3 Add Dead and Live/Snow Loads, mulitply by half of Panel Span <br />Wall Load = (D + S) P /2 <br />4 Result is wall load in pounds per linear foot <br />9 <br />1 <br />100 C 21.3 21.8 22.8 21. <br />105 C 23-5 24.0 25.0 23.4 <br />110 C 25.8 26.3 27.3 25.7 . <br />120 C 30.7 31.3 32.3 30.7 TABLE 1 DEC 5 2011 <br />130 C· 36.0 36.8 37.8 36.2 <br />MMaximum Loads:Live, Snow, Wind or Combination (75°*Snow + 75%Wind +Dead Loads) <br />Determine Wind Loads on Existing Structure <br />1 Determine Wind Load, W* or W-. See Table 1 <br />2 Dead Load included in Down and Up Boads <br />3 Mulitply W+ or W- by half of Panel Span <br />Wall Load =WP/2 <br />4 Result is wall load in pounds per linear foot. <br />5 Maximum Shear Load in X direction is 536 Ibf (130 mph Exposure C, 11' Panel Span) <br />Max load in Y direction (towards house) is 75 pif (130 mph Exp C, 10" 1 beam) <br />Max load in Y direction due to force coup[e resisting lateral is 146 pif <br />(130 mph Exp C, Pmjection = Width) <br />Wind| Wind Load <br />1 Speed (mph) Exposure (psf) <br />NRoof Live/Snow + Dead Loads <br />11. <br />90 8 12.6 <br />100 B 15.5 <br />105 B 17.1 <br />110 B 18.8 <br />120 B 22.4 <br />Live Loads (psf) <br />10 20 25 <br />11.0 I 21.0 22 <br />16.9 24.4 25.2 <br />17.9 25.4 26.2 <br />20.2 27.7 28.4 <br />21.3 28.8 29.6 <br />22.6 30.1 30-8 <br />25.3 32.8 33.5 <br />Ground Snow Loads (psf) <br />30 40 60 <br />26.2 34.6 51.4 <br />28.3 34.6 47.2 <br />29.3 35.6 48.2 <br />31.6 37.9 50.5 <br />32.7 39.0 51.6 <br />34.0 40.3 52.9 <br />36.7 43.0 55.6 <br />130 8 26.3 28.2 35.7 36.4 39.6 45.9 58.5 <br />Determine Seismic Loads on Existing Structure (Excludes Roof Snow Load over 30 psf) 85 C 15.7 1 20.3 27.8 28.5 31.7 38.0 50.6 <br />1 Vertical Loads and Horizontal Loads= maximum ofi psf 90 C 17.6 21.7 29.2 30.0 33.1 39.4 52.0 <br />100 C 21.8 24.8 32-3 33.1 36.2 42.5 55.1 <br />/JUN1901 3 <br />\J <br />1 Determine Combination Load, C. See Table 2 ' 105 C 24.0 26.5 34.0 34.7 37.9 44.2 56.8Combination Loads based on Equation 16-13 110 C 26.3 28.2 35.7 36.5 39.6 45.9 58.5 TABLE 2 M6-2009 <br />3 Mulitply C by half of Panel Span 120 C 31.3 32.3 39.5 40.2 43.4 49.7 62.31 <br />Wall Load =CP/2 130 C 36.8 37:8 43.6 44.3 47.5 53.8 66.4 <br />4 Result is wall load in pounds per linear foot <br />ICC ESR 1953 (2009 IE;C) 12/512011 <br />Page 99 of 101 <br />-7 <br />Y <br />Kz 0.7 <br />Kzt 1 <br />Kd 0.85 <br />X <br />1 <br />Existing Residence /G 0.85 <br />Cnet 1.2