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SECTION 2 A TT ACHED & FREEST ANDING COVERS AND UTILITY SHEDS Table 2.3: Schedule of Post to Beam Size and Number of Thru-Bolts Required Aluminum Alloy 6063 T-6 Minimum Post Size 2" x 4" x 0.038" x 0.100" Self Matin Beam 2" x 6" x 0.050" x 0.120" Self Mating Beam 2" x 7" x 0.055" x 0.120" Self Matin Beam 2" x 8" x 0.072" x 0.224" Self Matin Beam 2" x 9" x 0.072" x 0.224" Self Matin Beam 2" x 9" x 0.082" x 0.306" Self Matin Beam 3 2 2 3 3 3" x 3" x 0.125" 3" x 3" x 0.125" 3 4 4 Table 2.4: Footings - Maximum Roof Area for Carport Posts Existing Slab on Grade with unknown reinforcement 20 17 15 13 10 Isolated Footing Dimensions" 1'-0" x 1'-0" x 1'-0" 1'-4" x 1'-4" x 1'-4" 1 '-6" x 1'-6" x 1'-6" 1 '-8" x 1 '.8" x 2'-0" 1 '-8" x 1 '-8" x 2'-6" 2'-0" x 2'-0" x 2'-0" 2'-0" x 2'-0" x 2'-6" 2'-6" x 2'-6" x 2'-6" 2'-6" x 2'-6" x 3'-0" Maximum Attributable Roof Area in S uare Foet 30 26 22 20 16 59 50 43 38 31 77 66 57 51 41 120 102 89 78 64 150 127 111 98 80 155 132 115 102 83 194 165 143 127 103 270 230 200 177 144 324 276 240 212 172 "Notes: Isolated Footing is a poured concrete rectangular solid (Length x VVidth x Depth) Slab on grade must be new or in good condition. Pre-Cast Block Footing. Pre-cast footing block ( 16" x 16" x 4") at 24" below grade with 80 # bag pre-m ix concrete and backfilled to rade. Dimensions Maximum Attributable Roof Area in Square Feet 102 87 76 67 54 1'-4" x 1'-4" x 2'-4" Lawrence E. Bennett, P.E. CtVl. ENGI'EER - 0EVaOP/.ENT CONSU. T ANT P.O. BOX 436/3, SOUTH DAYTONA, FL 32121 TEl..EPHOf'ooE (904) 767 -. n. FAX (904) 767-6556 SEAL PAGE 64 @ COPYRIGHT 1998 NOT TO BE REPR(X)(JCED N WI-IOlE OR N PART WlTHOlTT n-E WRITTEN PERMSSlQN OF LAWRENCE E. BENI'ETT. P.E.