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• <br /> 7.0 CONCRETE FOOTING OPTIONS <br /> CONVERSION TO SQUARE TOP FOOTING <br /> For Single Span Attachec SITE SPECIFIC FOOTING TABLE for SINGLE SPAN Attached Stricture: <br /> EQUIVALENT FOOTINGS FOR Footings Only Wind Condition <br /> FREESTAND AND TEFooting Depth 110 MPH 110 MCH 115 IBH'115 MPH 130 MPH 140 MPH 150 MPH 160 � ,�`, � <br /> o <br /> DIAMEETERR OF OF 18" 24" 30" 35" Exp BB Exp C ExppB Exp C Exp C Exp C Exp C Expp C C <br /> W = z CIRCULAR d(In) Required Side of Square Footing or or or or or Lattice A a 4. <br /> Z FOOTINGS(IN) 20" 21" 18" 16" 15" Trib 130 MPH 150 MPH 150 MPH 170 MPH 180 MPH Trib <br /> iz z 12" 18" 24" 36" 21" 23" 20" 18" 16" Area Exp B Exp B Exp B Exp B Exp B Area 112 PANEL SPAN <br /> N P F 22" 24" 21" 19" 17" (sq it) Required"d"of Footing(h( Qui ft) <br /> 8z 8 8 DEPTH OF 23" 26" 23" 20" 18" 15 15" 16" 15" 17" 18" 9" 20'" 21" 25 • "1 1 I�Panei�Span <br /> 1 �' CIRCULAR 24" 28" 24" 21" 20" 20 16" 18" 17" 19" 20" 21" 22" 23" 33 Corner Trib Area I Trlb Area for 1/2 PANEL SPAN <br /> FOOTINGS(IN) 25" 29" 28" 23" 21" 25 17" 19" 18" 20" 22" 23" 24" 25" 42 I Middle Posi <br /> 14" 17" 24" 14" 4' 14" 26" 31" 27" 24" 22" 30 18" 21" 19" 21" 23" 24" 26" 27" 50 I 1 <br /> 15" 18" 30" 15" 15" 15" 27" 33" 29" 26" 23" 35 19" 22" 20" 22" 24" 26" 27" 28" 58 a-v ----�t 11 it <br /> 16" 19" 36" 16" 16" 16" 28" 35" 30" 27" 25" 40 20" 23" 21" 23" 25" 27" 28" 29" 67 Post Spacing Panel <br /> 17" 21" 43" 19" 17" 17" 29" 37" 32" 29" 26" 45 21" 24" 22" 24" 26" 28" 29" 31" 75 v I : rhang <br /> 18" 22" 52" 23" 18" 18" 30" 39" 34" 30" 27" 50 22" 24" 22" 25" 27" 29" 30" 32" 83 Figure 1 <br /> 19" 23" 61" 27" 19" 19" 31" 41" 35" 32" 29" 55 22" 25" 23" 28" 28" 30" 31" 33" 92 Determine Trib Area from Figure 1 <br /> 20" 24" n/a 31" 20" 20" 32" 43" 37" 33" 30" 80 23" 26" 24" 27" 29" 31" 32" 34" 100 <br /> 21" 26" n/a 36" 21" 21" 33" 45" 39" 35" 32" 65 24" 27" 24" 28" 30" 31" 33" 34" 108 INSTRUCTIONS TO USE TABLE 7.10 <br /> 22" 27" Na 42" 24" 22" 34" 47" 40" 36" 33" 70 24" 27" 25" 28" 31" 32" 34" 35" 117 1.TABLE IS FOR SINGLE SPAN ATTACHED UNITS ONLI <br /> 23" 28" n/a 48" 27" 23" 35" 49" 42" 38" 35" 80 25" 29" 26" 29" 32" 34" 35" 37" 133 2. DETERMINE ACTUAL TRIBUTARY ARE/ <br /> 24" 30" n/a 54" 31" 24" 36" 51" 44" 39" 36" 90 26" 30" 27" 31" 33" 35" 37" 38" 150 FOR MIDDLE POSTS THIS IS: <br /> 25" 31" Na 61" 35" 25" 37" 53" 46" 41" 38" 100 27" 31" 28" 32" 35" 36" 38" 40" 187 TRIB WIDTH x POST SPACING <br /> 26" 32" n/a 69" 39" 26" 38" 55" 48" 43" 39" 110 28" 32" 29" 33" 36" 38" 39" 41" 183 FOR END POSTS THIS IS: <br /> 27" 34" n/a 77" 44" 27" 39" 57" 50" 44" 41" 120 29" 33" 30" 34" 37" 39" 40" 42" 200 (OVERHANG+HALF OF POST SPACING)x TRIB WIDTI. <br /> 28" 35" n/a 86" 49" 28" 40" 60" 52" 48" 42" 130 30" 34" 31" 35" 38" 40" 42" 43" 217 3.DETERMINE FOOTING SIZE FOR WIND CONDITION <br /> 29" 36" n/a n/a 54" 29" 41" N/A 54" 48" 44" 140 31" 34" 32" 36" 39" 41" 43" 45" 233 4. FOR LATTICE USE LAST COLUMN FOR TRIB ARE/ <br /> 30" 38" n/a n/a 60" 30" 42" N/A 56" 50" 45" 150 31" 35" 32" 36" 40" 42" 44" 46" 250 <br /> 31" 39" n/a Na 66" 31" 43" N/A 58" 51" 47" 160 32" 36" 33" 37" 40" 43" 45" 47" 287 Four Seasons Building Products <br /> } <br /> 32" 40" n/a n/a 72" 32" 44" N/A 60" 53" 49" 170 33" 37" 34" 38" 41" 43" 45" 48" 283 5005 Veteran's Memorial Hwy <br /> 33" 42" n/a n/a 79" 35" 45" N/A N/A 55" 50" 180 33" 37" 34" 39" 42" 44" 48" 48" 300 Holbrook,NY 11741 <br /> 34" 43" n/a n/a 87" 39" 46" N/A WA 57" 52" 190 34" 38" 35" 39" 43" 45" 47" 49" 317 (631)583.4000 <br /> 35" 44" n/a n/a 95" 42" 47" N/A N/A 59" 54" 200 35" 39" 36" 40" 44" 46" 48" 50" 333 <br /> 36" 46" n/a n/a 103" 46" 48" N/A N/A N/A 55" 210 35" 39" 38" 41" 44" 47" 49" 51" 350 Carl Putnam,P.E. <br /> 37" 47" n/a n/a 112" 50" 49" N/A N/A N/A 57" 220 36" 40" 37" 41" 45" 47" 50" 52" 367 3441 Ivylink Place <br /> 38" 48" n/a n/a n/a 54" 50" N/A WA N/A 59" 230 38" 41" 37" 42" 46" 48" 50" 53" 383 Lynchburg,VA 24503 <br /> 39" 50" n/a n/a n/a 58" TABLE 7.11 240 37" 41" 38" 43" 46" 49" 51" 53" 400 (434)384-2514 <br /> 40" 51" n/a n/a n/a 63" TABLE 7.10 carloutngm®tcomcastnet <br /> 41" 53" n/a n/a n/a 68" <br /> i <br /> 42" 54" n/a n/a n/a 73" TABLE 7.8 ' <br /> 43" 55" Na Na n/a 78" ' QI ROFescrjp <br /> 44" 57" Ma n/a n/a 84" o I ' �5 <br /> V 1- <br /> '+���3�sq`' OftEIV <br /> i" ioN ��` C� Y 3s�O r�' q9L 0. <br /> O� IGSN` :1!‘'&41161,,@ • 2 'IRE8• , 31,2018 <br /> •-112 \ ' EP 212017 <br /> 0 <br /> P4` <br /> F VO <br /> . <br /> x' V p M441 PUIV% isc4-20150,r <br /> Four Seasons ICC ESR 1953(2015 IBC) 1/2812017 Pane 93 of 98 <br /> i <br />