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<br />. <br />ATTACHED & FREE-5TANDING COVERS AND UTILITY SHEDS SECTION 2 <br /> Table 2.3 Schedule of Post to Beam Size and Number of Thru-Bolts Required <br /> Aluminum Alloy 6063 T.(j <br /> Beam Minimum I # Thru-Bolts ti! L-D+V." Minimum M.inlmum # <br /> Size Post Size 1/4- . I 318- . Knee Brace" Knee Brace Screws <br /> Hollow Sections <br /> 2" x 3" x 0.050- Hollow Tlltl3" x 3"x 0.060" Scalloped I 2 I - 2" x 3" x 0.050" I (3)#8 <br /> 1~'.,4".~~'''''''.........l3" ,,'It" xOJKiO"~ I 2 I - I 2" x 3" x 0.050" I (3) #8 <br /> Self Mating Beams <br /> 2" x 4" x 0.038- X 0.100 3" x 3"x 0.060" Scalloped 2 - 2" x 3" x 0.050" 3#8 <br /> r x 5" x 0.050" X 0.100 3" x 3"x 0.060" Scalloped 2 - 2" x 3" x 0.050" 3#8 <br /> r x 6" x 0.050- X 0.120 3" x 3"x 0.060" Scalloped 2 - 2" x 3" x 0.050" 3 #10 <br /> 2- x 7- x 0.055- x 0.120- 3' x 3" x 0.093" 3 2 2" x 4" x 0.050" 3 #10 <br /> 2" x 8" x o.on- x 0.224" 3" x 3" x 0.093" 3 2 2" x 4" x 0.050" 3 #12 <br /> 2" x 9" x o.on" x 0.224- 3" x 3" x 0.12S" 4 3 2" x 4" x 0.050" 3 #14 <br /> r x 9" x 0.082- x 0.306- 3" x 3" x 0.12S" 4 3 2" x 4" x 0.050" 3 #14 <br /> 2- x 10- x 0.092- x 0.369" 4"x4"xO.125" 6 4 2" x 4" x 0.050" 4)#14 <br /> The minimum number of thru bolts Is (2) <br /> " Minimum post/beam may be used .. minimum kn.. brace <br /> Table 2.4.1 Footings. Maximum Roof Area for Attached Carport Posts <br /> Wind Zone. 100 MPH 110 MPH 120 MPH 123 MPH 130 MPH 140 MPH 150 MPH <br /> Attached Cover Ualift . " 20 tUSF 24 tUSF 29 tUSF 30.5 tUSF 34 tUSF 39 tUSF 45 tUSF <br /> Free-5tandlna Cover Uallft . 10 tUSF 11 tUSF 13 tUSF 13.3 tUSF 17 tIISF 20 tUSF 23 tIISF <br /> ExlstJng Slab an Grade wtth unknown 20 18 15 14 13 11 10 <br /> reinforcement <br /> Isolated Footing Uplift Maximum Attributable Roof Area In Square Feet <br /> Dimensions- Rating (Ibs.) <br /> 1'.()" x 1'.()- x 1'.()" , 520 26 21 18 17 15 13 11 <br /> 1'-4" x 1'-4- x 1'-4" 1000 50 41 34 33 29 26 22 <br /> 1'.(j" x 1'.(j" x 1'.(j- 1320 66 55 45 43 39 34 29 <br /> 1'-8" x 1'-8" x 2'.()" 2040 102 85 70 67 60 52 45 <br /> 1'-8" x 1'-8" x 2'.(j" 2540 127 106 88 84 75 65 57 <br /> 2'.()" x 2'.()" x 2'.()" 2640 132 110 91 87 78 68 59 <br /> 2'.()" x 2'.()" x 2'.(j- 3300 165 138 114 108 97 85 73 <br /> 2'.(j" x 2'.(j" x 2'.(j- 4000 230 191 158 151 135 118 102 <br /> 2'.(j" x 2'.(j" x 3'.()" 4800 276 230 190 181 162 141 123 <br /> Notes : <br /> 1. Isolated Footing is a poured concrete rectangular solid (length x Width x Depth). <br /> 2. Slab on grade must be new or in good condition. <br /> 3. For free-standing covers multiply the above roof areas by 2.0. <br /> Pre-Cast Block Footing <br /> Pre-east footing block ( 16" x 16" x 4") at 24" below grade with 80 , baa pre-mlx concrete and backfilled to grade. <br /> Maximum Attributable Roof Area In Square Feet <br /> 100 MPH 110 MPH 120 MPH 123 MPH 130 MPH 140 MPH 150 MPH <br /> Dimensions Uplift Rating flbs.l 20 tIISF 24 tIISF 29 tIISF 30.5 t#lSF 34 t#lSF 39 tUSF 45 tUSF <br /> 1 x 80# Baa 1,734 87 72 60 57 51 44 38 <br /> 2 x 80# Bag 1,819 91 76 63 59 54 46 40 <br /> 3 x 80# Bag 1,904 95 79 66 62 56 49 42 <br /> Note: Maximum uplift on post is detennined by multipying maxlmum attributable roof area x applied load. <br /> Example: Post tributary roof area = 77', Applied load for 110 MPH wind zone = 24#1Sq. Fl, Uplift on post = 77 x 24 = 1,540# <br /> " Roof areas are based on attached cover uplift loads. <br /> Lawrence E. Bennett, P. E. <br /> CML ENGINEER - DEVELOPMENT CONSUL TANT <br /> P.O. BOX 4368. SOUTH DAYTONA. FL 32121 <br /> TELEPHONE (386) 757-4774 <br /> FAX (386) 767-6556 <br /> SEAL <br /> PAGE <br />@ COPYRIGHT 2002 2-41 <br /> NOT TO BE REPRODUCED IN WHOLE OR IN PART WITHOVT THE WRfTTEN PERMISSION OF LAWRENCE E BENNETT, P.E. <br />