01-0661 - Laserfiche WebLink

Browse Search

ATTACHED & FREE-STANDING COVERS AND UTILITY SHEDS, SECTION 2 Table 2.3 Schedule of Post to Beam Size and Number of Thru-Bolts Required Aluminum Alloy 6063 T ~ Beam Minimum # Thru-Bolt @ L=D+'j," Minimum Min. # Knee Size Post Size 1/4" " 3/8" " Knee Bides* Biaca Screws 2" x 3" x 0.050" Hollow Tilt 3"x 3"x 0.060. Scalloped 2 - 2" x 3" x 0.050" (3)#8 2" x 4" x 0.050" Hollow 3"x 3"x 0.060" Scalloped 2 - 2" x 3" x 0.050" (3)#8 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 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 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 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 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 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 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 The minimum number of thru bolts is (2) * Minimum post/beam may be used as minimum knee brace Table 2.4 Applied Load = Existing Slab on Grade with unknown reinforcement Isolated Footing Rating '# I Uplift Dimensions** Ma:::imum Attributable Roof Area in Square Feet 1 '-0" x 1 '-0" x 1 '-0" 520 30 I 26 22 20 16 1'-4" x 1'-4" x 1'-4" 1000 I 59 I 50 I 43 38 31 1'-6" x 1 '-6" x 1 '-6" 1320 77 -, 66 57 I 51 41 I 1'-8" x 1'-8" x 2'-0" I 2040 1"n I 102 S9 78 i 64 L.~ 1'-8" x 1'-8" x 2'-6" 25.10 ,50 I 121 111 98 I SO 2'-0" x 2'-0" x 2'-0" 2640 j 155 1 132 115 102 S3 I 2'-0" x 2'-0" x 2'-6" 3300 I 19.1 I 165 I 143 127 I 103 I 2'-6" x 2'-6" x 2'-6" 4000 ! 270 I 230 200 177 144 2'-0" x 2'-6" x 3'-0" 4S00 I 324 I 276 240 212 172 "Notes: !sciated FGOling is a poured concrete rectangular selid (Length x Width x Depth). Slab on grade must be new or in good condition. Pre-Cast Block Footing Pre-<:ast footing block ( 16" ::: 16" x 4" ) at 24" below grade with 80 '# bag pre-mi::: concrete and backfilled to grade. Dimensions Uplift Ratino # Maximum Attributable Roof Area in Square Feet (1) SO# Baa 1,734 102 S7 76 67 54 (1) 80# Baa 1,S19 107 91 79 70 57 (1) SO# Baa 1,904 112 95 83 73 60 Note: Maximum uplift on post is determined by multipying maximum attributable reof area x applied load. Example: Post tributary roof area = 77' Applied load for 110 MPH wind zone = 20#/Sq. Ft. Uplift on post = 77 x 20 = 1,540# , Lawrence E. Bennett, P.E. CIVIL ENGINEER - DEVELOPMENT CONSULTANT P.O, BOX 4368, SOUTH DAYTONA, FL 32121 TELEPHONE (904) 767-4774 FAX (904) 767-<3556 SEAL @ COPYRIGHT 2000 PAGE NOT TO BE REPRODUCED IN WHOLE OR IN PART WITHOUT THE WRITIEN PERMISSION OF LAWRENCE E. BENNEIT, P.E. 2-25