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<br />ATTACHED & FREE-STANDING COVERS AND UTILITY SHEDS SECTION 2 <br />.. <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@ L=D+%" Minimum Min. # Knee <br /> Size Post Size 1/4"11I 3/8" III Knee Brac" Brace Screws <br /> 2" x 3" x 0.050" Hollow Tilt 3"x 3"x 0.060" Scalloped 2 - 2" x 3" x O.OSO" (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 0.224" 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" x 3" x 0.125" 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 {21 <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 = 102 MPH I 110 MPH I 120 MPH I 125 MPH 140 MPH <br /> Applied Load = 17 #/Ft! 20 #1Ft. 2 23 #lFt.2 26 #/Ft.2 32 #1Ft! <br /> Existing Slab on Grade with unknown 20 17 15 13 10 <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'-6" 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 /> Pre-cast footing block ( 16" x 16" x 4") at 24" below grade with 80 # bag pre-mix concrete and backfilled to grade. <br /> Dimensions UDllft Rating # Maximum Attributable Roof Area In Square Feet <br /> (1) 80# Bag 1734 102 87 76 67 54 <br /> (1) 80# Bag 1,819 107 91 79 70 57 <br /> (1)80# Bag 1,904 112 95 83 73 60 <br /> Note: Maximum uplift on post is determined by multipying 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 = 77 x 20 = 1,540# <br /> Lawrence E. Bennett, P.E. <br /> CIVIL ENGINEER - DEVELOPMENT CONSUL TANT <br /> P.O, BOX 4368, SOUTH DAYTONA, FL 32121 <br /> TELEPHONE (904) 7674774 <br /> FAX (904) 767-6556 <br /> SEAL <br />@ COPYRIGHT 2000 PAGE <br /> NOT TO BE REPRODUCED IN WHOLE OR IN PART WITHOUT THE WRITIEN PERMISSION OF LAWRENCE E, BENNETI, P.E. 2-25 <br />