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Page 2 of 4 <br />PROJECT: GARFIELD ELEMENTARY SCHOOL DATE: 10/21/2022 <br />PROJ. NO.: 37444 ENGINEER: PRC <br />CLIENT: PLUMB SIGNS <br />v5.5 units; pounds, feet unless noted otherwise <br />Applied Wind Loads; from ASCE 7-16 <br />F=qZ*G*Cf*Af <br />with qZ = 0.00256KZKZtKdV` <br />(29.3.2 & 29.4) <br />Cf= 1.660 <br />(Fig. 29.3-1) <br />max. height= 6.0 <br />KZt= 1.0 <br />(26.8.2) (=1.0 unless unusual landscape) <br />KZ from table <br />28.3-1 <br />Exposure= c <br />Kd= 0.85 <br />for signs (table 26.6-1) <br />V= 110 <br />mph <br />G= 0.85 <br />(26.9) <br />weight= 0.322 kips <br />s/h= 0.590 <br />Mpg= 0.00 k-ft <br />B/s= 1.91 <br />Pole structure height at <br />pressure <br />Wind <br />Loads component section c.g. <br />Kz qz qz*G*Cf <br />Af shear Moment MW <br />1 1.23 0.850 22.4 31.57 8.3 262 322 <br />2 4.23 0.850 22.4 31.57 23.9 755 3192 <br />sums: 32.20 1017 3.51 (MW) k-ft arm= 3.5 <br />P = 0.39 kip M= 3.51 k-ft M=sgrt(MDL2+MW2) <br />M=sgrt(1.2MpL2+1.0M 2) = 3.51 k-ft <br />Pole Design section; pipe <br />M < W with M = fyZ fy= 35 ksl 0.9 <br />H M (k-ft) Z req'd. (in) Size(in) t (in) Z USE <br />at grade 3.51 1.34 2.5 0.203 1.4 3 STD. Pipe, �Mn=5.75 k-ft <br />Footing Design footprint: round <br />w= 1.3 IBC 1605.3.2 IBC Table 1806.2, sections 1806.3.4, 1807.3.2 S=(1.3x2x150 psf/ft) <br />P= 0.79 kip S1 = S x d / 3 A=2.34xP/(S1 xb) S= 400 <br />S1= 559 d =0.5xA (1+ (1+4.36x h/A) 1.5) IBC 1807.3.2.1 <br />A= 2.21 <br />footing: 1' - 6" din. 4' - 2" deep <br />