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<br />ATTACHED & FREE-STANDING 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-6 <br /> Beam Minimum # Thru-Bolt (a) L=D+'/," Minimum Min. # Knee <br /> Size Post Size 1/4" " 3/8" " Knee Brace' Brace Screws <br /> 2" x 3' x 0.050" Hollow Tilt 3"x 3"x 0.060" Scalloped 2 2" x 3" x 0.050" (3) #8 <br /> 2" x 4" x 0.050" Hollow 3"x 3"x 0.060" Scalloped 2 . 2" x 3" x 0.050" (3) #8 <br /> 2" x 4" x 0.038" x 0.100' Self Mating Beam 3"x 3"x 0.060" Scalloped 2 2" x 3" x 0.050' (3) #8 <br /> 2" x 5' x 0.050" x 0 100 Self Mating Beam 3"x 3"x 0.060" Scalloped 2 2" x 3' x 0.050" (3) #8 <br /> 2" x 6" x 0.050" x 0.120" Self Mating Beam 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" Self Mating Beam 3" x 3" x 0.093" 3 2 2" x 4" x 0.050" (3) #10 <br /> 2" x 8" x 0.072" x 0224" Self Mating Beam 3" x 3" x 0.093" 3 2 2" x 4" x 0.050' (3) #12 <br /> 2" x 9" x 0.072" x 0.224" Self Mating Beam 3"x3"xO.125" 4 3 2" x 4' x 0.050' (3) #14 <br /> 2" x 9" x 0.082" x 0.306" Self Mating Beam 3" x 3" x 0.125" 4 3 2" x 4" x 0.050" (3) #14 <br /> The minimum number of thru bolts is (2) <br /> . Minimum post/beam may be used as minimum knee brace <br /> Table 2.4 Footings - Maximum Roof Area for Carport Posts <br /> Wind Zone = I 102 MPH I 110 MPH 120 MPH I 125 MPH 140 MPH <br /> Applied Load = 17 #/Ft.' 20 #/Ft.' 23 #/Ft.' 26 #/Ft.' 32 #/Ft~ <br /> Existing Slab on Grade with unknown 20 17 15 13 ] 10 I <br /> reinforcement <br /> Isolated Footing Rating # Uplift <br /> Dimensions~ Maximum Attributable Roof Area in Square Feet <br /> 1'-0" x 1'-0" x 1'-0" 520 30 26 22 20 16 <br /> 1'-4" x 1'-4" x 1'-4" 1000 59 50 43 38 31 <br /> 1 '-6" x 1 '-6" x 1 '-6" 1320 77 66 57 51 41 <br /> 1 '-8" x 1 '-8" x 2'-0" 2040 120 102 89 78 64 <br /> 1 '-8' x 1 '-8" x 2'-6" 2540 150 127 111 98 80 <br /> 2'-0" x 2'-0" x 2'-0" 2640 155 132 115 102 83 <br /> 2'-0" x 2'-0" x 2'-6" 3300 194 165 143 127 103 <br /> 2'-6" x 2'-6" x 2'-{)" 4000 270 230 200 177 144 <br /> 2'6" x 2'-6" x 3'-0" 4800 324 276 240 212 172 <br /> "Notes: <br /> Isolated Footing IS a poured concrete rectangular solid (Length x Width x Depth). <br /> Slab on grade must be new or in good condition <br /> Pre-Cast Block Footing <br /> f'fe-cast footing block ( 16" x 16" x 4" ) at 24" below grade with 80 # bag pre-mix concrete and backfilled to grade. <br /> Dimensions Uplift Ratina # Maximum Attributable Roof Area in Sauare Feet <br /> (1) 80# Baq 1.734 102 81 76 67 54 <br /> ( 1) 80# Baq 1,819 107 91 79 70 57 <br /> (1) 80# Baq 1,904 112 95 83 73 60 <br /> Note Maximum uplift on post IS determined by multipymg maximum attributable roof area x applied load <br /> Example' Post tributary roof area = 77' <br /> Applied load for 110 MPH wind zone = 20#/Sq Ft <br /> Uplift on post = n x 20 = 1 .540# <br /> Lawrence E, Bennett, P.E. <br /> CIVIL ENGINEER - DEVELOPMENT CONSUL TANT <br /> POBOX 4368, SOUTH DAYTONA. n 32121 <br /> TELEPHONE (904) 767-4774 <br /> FAX (904) 767-<i556 <br /> SEAL <br />@ COPYRIGHT 2000 PAGE <br /> NOT TO BE REPRODUCED IN WHOLE OR IN PART WITHOU1 1HE WRI HEN PERMISSION OF LAWRE NCE E BENNETT, F'E 2-25 <br />