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N 89'5429' W 548.63 (548.60 RI) S.W. MCDONALD ROAD
BASIS OF BEARINGS PER (RI)
(COUNTY ROAD 430) DESIGN RJR
i O+7D1N VARIES) DRAWN FUR
_ — JOB NO. 05105
•I I/ V V S.W. 105TH AVENUE
— DATE
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� (so � woo) r - - - - � OFFICE COPY
G r ! ! SN1
SITE staINAa= Pi. Ai tal
SCALE. r • 20' -0'
• '' LOADING: Y
DESIGN PER 2006 INTERNATIONAL BUILDING CODE (I:
v Il k WIND: IBC 94.5 MPH, FRCP B GHT (h) = 20 ft
(3second gust) I • ° : ; (I) = 1
K1 = 0.53 (ASCE 7 -05 Figure 6-4) GUST FACTS (off, 0.85
K2 = 1.00 (ASCE 7 -05 Figure 6-4) APR -
2 U P = gz•G•Cf :
K3 = 1.00 (ASCE 7 -05 Figure 6-4) Kz (; /r In P(psf) h
Kzt = 1.00 (ASCE Eqn. 6-3) 0.511(/ /Lo r / %� = 16.5 0 - 15 ft
Kd = 0.85 (ASCE 7 -05 Table 6-4) 0.62 i ow,. = 17.9 15 - 20 ft
Cf 1.75 (ASCE 7 -05 Figure 6-20)
1o. -o.
FORCES:
Width Height to Height to Area Wind load Force Height to Moment
bottom (ft) top (ft) (sq. ft.) (psf) (Ibs) center (ft) (ft-lb) /4\ 1
10 15.833 20 12.835 17.921 230.02 17.222 3961
10 15 15.833 8.33 17.921 149.29 15.4165 2301 T
10 8.833 15 61.67 16.476 1016.1 11.9165 12108
2.5 0 8.833 22.083 16.476 363.83 4.4165 1607 0
E = 1759.2 E = 19978
0
0
SIGN POLE: (Double Pole) M = 9989 Mu = 1.6M
Fy = 46000 psi 4IMn = 0.9'Fy = 41400 psi
Mu = 15982 ft-lb Zrea'd = Mu /4Fy = 4.633 in
Try an 5x5x3/16" HSS with a plastic modulus of 7.19 inch3
Z = 7.19 in fb = Mu/Z = 26674 psi <41400 OK '
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Use 5x5x3/16" HSS sign poles I %� `
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3' -6° I 3' -6 °
EMBEDDED POLE: (IBC 1805.7.2.1 NonConstrained) so. so.
M 9.989 k - ft OSIGN ELEVATION
P' 0.880 k Applied lateral force, kips NOT TO SCALE
h ( 11.36 ft distance from ground surface to P, ft
q 400 psf /ft allowable soil -brg Table 1804.2, psf /ft q= 2(150)(1.33) =400 *
b 4.95 ft 59" dia. or diagonal dimension of a 3.50 post, ft
d wtl„ 3.75 ft ESTIMATED embedment, ft 3.75 for pressure
Allowable w/ 1/2" movement at groundline
for 1500 psf soil bearing St R 1! C T u R q
UNconstrained
S 1 500 psf q *d_est / 3 �(�EQ PROr,
d 3.65 ft a 34` P +( 004.36 *h /Ay`.5) c G i N 6 F a
A- y
OK UNconstrained CC 51669 r
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Use 3' - 6" square x 3' - 9" Embed the HSS posts 3' - 3" into 2000 psi 9 OREGON o
embedment footings
concrete backfill as specified in IBC 1805.7.3. ,y �o
4 Ry 2
' c�,y 9
I EXPIRES: 06 -30 -2008 I
dir 9570 SW Barbur Blvd Project Name Goodwill Sign Foundation Project # 070342
Suite One Hundred
_ Portland, OR 97219 -5412 Location 13900 SW Pacific HWY., Tigard, OR
i
MILLER Client Security Signs
CONSULTING (503)246 -1250
ENGINEERS Fax: 246 -1395 By KS Ck'd Witt Date 4/6/2007 Page 1 of 1