Laserfiche WebLink
<br />John.E..Barrett. ~ <br />Wind load Calculations <br /> <br />0-15 Exp. B <br /> <br />For: I J.M. Stewart . <br /> ---. <br />Purchase Order No.: 8402 Footer Ok <br />Sign Type & Name: Concept 41 OCQ-41 0-N-2000 i Column Ok - _.._-~ ~ <br /> .--.- <br />Drawing Number: D7-3296(5)-N-2011 i Bolts Tension I Ok <br /> . - I Variables: ! Bolts Shear ----+ <br />Date: 6/4/2007 I Ok ! <br />Approx. Sign Wt. 750 Ibs. I Footer: 1 >-_ ____ Columns: 2 <br /> --.. <br />Wind Speed 120 mph I diameter 1.5 ft. d1 0 <br /> - . n <br />Directionality ~ 0.85 length L: 10 ft. do 0.00 <br /> ---- -- I ------. <br />Exposure Kz 0.57 r width W: 2 ft. b= 4 in <br /> ! <br /> .---- ---....-.--. !d= <br />Topographical Kzt I 1.00 Height H: 3.83 ft. 4 in <br /> --l ~.. . on -- - --4--- : <br />Importance Factor* i 1.00 Depth D: 3.5 <br /> ---- .._.. .M___ -- <br />Gust Effect G 0.85 Bolts: Spacing: 9 in. c/I h= 3.626 in <br /> Qty: 1 k= 3.626 in <br /> Dia.: 0.334 in^2 w= 0.187 in <br />f------- <br />Velocity Pressure: 1 I Qz=O.OO256KzKztKdV21 I Area 1 Area 2 Area 3 Totals <br /> Area: 9.92 40.00 0.00 <br />Velocity Pressure: 1 17.86 height 1.24 4.00 0.00 <br /> width 8.00 10.00 0.00 <br /> Cf 1.60 1.60 1.60 <br /> centroid 0.62 3.24 5.24, 2.72 ft. <br /> .- ----- - <br /> wind pressure 24.29 24.29 24.29 <br />---.-- <br />Structural Material: : 46000 wind force 240.96 971.62 0.00 1212.58 Ibs <br /> -..-- _____ __u___ ---- <br /> Moment 149.40 3148.04 0.00 3297.44 Ib-in ~ <br /> - ." ,-----~.- n_~ ~- .- --~-- --- -- <br /> Steel Fb = 46,000 psi P=j F(n) -t! Col. n <br /> .-.--. "- .---.---..-.--....".- <br /> Alum. Fb= 35,000 psi ! ____3=48.805 ~ 1.0 <br /> ---...- <br />Allowable Lateral : 400.00 i 0.7 <br /> -....--..----- <br /> S = Lateral Soil , i <br /> Pressure I 466.67 psf I 3 0.5 <br />Allowable Soil Load 2000 psf I <br /> I <br />-- <br />qz = Velocity pressure at height Z I <br /> - <br />Z = Height off groung of Sign Ratios: <br />Kz = Velocity Pressure Exposure Coefficient** Wind Force Aspect 2.50 <br />I = Importance Factor ~ I 971.62 Clearence 0.76 <br /> -. <br />V = Velocity I I .- - From ASCE 7-05 Fig. 6-20 <br />P = Design Pressure <br />G = Gust Response I : I <br /> _______1________ --- ---.--. -- I ----. <br />Cf = Force Coefficient for Solid Signs I <br />Cv =Coefficient of Total Shear <br /> ---r---- +---- <br />D = Sign Width ---!- R1= SLD/3 <br /> _-0. r -- ~ <br />H = Sign Height 3.24 I I R1= 5444.44 Ibs <br /> ----L-___ .--+- <br /> =1==- Wind Force I SLD/3-- <br />Calculations conform to ACSE 7-02 and e----. - <br /> 240.96 R2= <br />FBC 2004. 1--- - -- -- _: - --f r R2= 5444.44 Ibs <br /> i <br />Notes: .~ <br /> : : <br />1. From ASCE7 -05 6.5.10 -- --------+ .- <br /> 0.62 I I <br />3. From table 1609.6D FBC 2004 I Vs .-----t- <br />4. Structural Tubing ASTM A500 Grade B. - <br />5. Bolts are ASTM A307. a h7 <br />6. Concrete Strength 2500 psf minimum. -== <br />7. From table 1610.1 FBC 2004 1 <br />8. Steel Pipe - ASTM A53 Grade B +-- <br />9. Steel Plates and Bares ASTM A36 3.83 - R1 <br />10. Structural Steel Wide Flange and WT I <br /> .,----- -. <br />shapes ASTM A992 or ASTM A572 Grade ---- ---- . ----.--- 2.33 <br /> - --~17 -=.,- ---+ IWt I ----+----~-- ~ <br /> : <br />50 -- <br /> R2 ... C; I <br /> --. ~ i <br />--------~-+ ! ~ t 0 I <br /> ----~.." --------- --_...------- -. ':-l.. <br /> -- --- .--- -- ____~_.._._'n------.----. I I <br />-- ----- r <br /> 1.33 <br />-- -- n _~____ -_.~- --de <br /> R3 ----L- I <br /> <br />Florida #44816 <br />New York #063279-1 <br /> <br />Page 1 of 2 <br /> <br /> <br />John F. Barrett, PE <br />6/4/2007 <br /> <br />John Francis Barrett, PE <br />8259 Barton Farms Blvd. <br />Sarasota, FL 34240 <br /> <br />C:\Windloading\JM Stewart\ <br />8402 <br />