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Plans • • • • • •• •. • • • • •• • • • • •• •• . • • . • • . • • • • • • • • • • • ti• D ¥ ' Structural Civil Eng veers , , t ;'..,.," • • • • • • • • • • . • • • ' ••• ••• ...... • • • • • • RECEIVED •• • • • • • ........ • • OC 1 • • • • 2011 STRUCTURAL CALCULATIONS FOR CITY OF TIGARD TIGARD HIGH SCHOOL BUILDING DIVISION FOOTBALL SCOREBOARD SUPPORT TIGARD, OREGON OCTOBER 4, 2011 CITY OF TIGARD Approved .ED P ROfjc 4 Conditionally Approved [ ] \S � G N e f jO See Letter to: Follow [ ] � C-, , F A hed t • 9 , 9 j Permit Nu • ber: j f4 /, Ade ress: 4 'I 00 G' �f tit/ • REGON By: ..7i►• ' Date: M 11 y — , � /8, tig°R Fc — U \ RENEWS: 12 -31 -2012 SITE COPY DESIGN PARAMETERS: 2010 Oregon Structural Specialty Code (OSSC) WIND LOAD BASIC WIND SPEED 95 mph (3 -sec gust) EXPOSURE C SEISMIC MAPPED RESPONSE S = 0.925; S = 0.334 SITE CLASS . D CONTENTS: LAYOUT SG -1 LOADING SG -2 to SG -5 FOUNDATIONS ...... SG -6 GIRTS SG -7 SKETCHES SK -1 to SK -2 6443 SW Beaverton - Hillsdale Hwy, suite 210 • Portland, OR 97221 • ph: 503 203.8111 • www.wdyi corn .. . . • . • . •. . • • •• • • • • . • • • •• •• • • • • • . • • • • • • rim/1)y Structural . Civil Engineers ' Job Name: Tigard HS Scoreboard •: • • • • • • • o.• ; 11253 Sheet No: SG -1 Client: Tigard Athletic Boosters Club • • • • • • • :Ate: • • Oft X011 By: GGM . • _•• • .. Properties & Loading • •. • •. • • • • • • • • • • • • • • . ••• ••• •. ••• • Daktronics Multi Section , (� , _ 2'Q' �i�s _ _ Digital Scoreboard T ---t.„--- Board #BF -2021 & DA -1000 '-" Determine lateral loads 10.::' �. & foundation requirements r _ = a JI G { � C ti,r,.. ,9 �Y 1'+l'g Y?/A 17 i ----- 4 FS O[BXii� 14.70. —��{ ll� TE4LX10... — • SHUT TT I (-Iran eleaa[m- Pease 8 . I see an6 =1•.0' 1 55'-8' § I 18' -8 C W C ' Wind loading per ASCE 7: I I I s I s I s l_ Baiarce J I I 1 1f I 1 I I 1 I I F I IND Ft °2B ' I WIND 4 Ft 1 L RANGE F la F F F CASE A W1N CASE B CASE C LOAD CASES • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • riw D ' ••• • • •• • • • Structural . Civil Engineers r� � " � c •• `'" Job Name: Tigard HS Scoreboard • • • • • • • • . • • • iob No:: 11:153 Sheet No: SG -2 Client: Tigard Athletic Boosters Club • • • • • • • :Date 04t 2011 By: GGM Wind Loads - Phase A only • • • • • . • • • • • • . • • Use ASCE Method 2 procedure & I = 1.00 (qot radar grandstanl) :•• Assume Exposure C for open field h = 30.5 ft [ 15.5 ft clear + 15 ft sign ] B = 25.0 ft [ sign width ] s = 15.0 ft [ sign height ] As = 375 0 sq ft [ gross sign area ] F= g h G Cf A s [ ASCE Eg6 -27] qn = 0.00256 lc K V I [ ASCE Eq 6 -15 ] K = 0.94 [ASCE Table 6 -3 ] K = 1.0 [ No topographical effects ] Kd = 0.85 [ ASCE Table 6-4 ] V = 95 mph [ OSSC Figure 1609 ] I = 1.00 [ ASCE Table 6 -1 ] q = 18.5 psf G= 0.85 [ASCESec6.58] s/h = 0.49 [ Clearance ratio, Fig 6 -20 ] B/s = 1.67 [ Aspect ratio, Fig 6 -20 ] Cf = 1.72 [ Case A & Case B Cf = 0.00 O to s [ Case C where B/s > 2 ] Cf = 0.00 s to 2s Cf = 0.00 2s to 3s Cf = 0.00 3s to 10s p = 27.0 psf [ Case A & Case B ] F = 10121 lbs [ Case A & Case B F = 0 lbs [ Case C, O to s ] F = 0 lbs [ Case C, s to 2s ] F = 0 lbs [ Case C, 2s to 3s ] F= 0 lbs [ Case C, 3s to 10s ] . .• • • WDY Structural . Civil EngineerP r � � r • 000 0 00 ... • .,. _ Job Name: Tigard HS Scoreboard • • ,•, No:: 14153 Sheet No: SG -3 Client: Tigard Athletic Boosters Club • • • • • • • •Date: • Oct 2011 By: GGM • • • • ... • ••• ... Wind Loads - Phase A & B ••• .. . • • • • • Use ASCE Method 2 procedure & I = 1.00 (riot rldar randstana) • • • Assume Exposure C for open field h = 33.5 ft [ 12 ft clear + 21.5 ft sign ] B = 25.0 ft [ sign width ] s = 21.6 ft [ sign height ] As = 539.5 sq ft [ gross sign area ] F= gh G C f As [ ASCE Eg6 -27] qh = 0.00256 K KZt K V I [ ASCE Eq 6 -15 ] K = 0.94 [ ASCE Table 6 -3 ] K = 1.0 [ No topographical effects ] Ka = 0.85 [ ASCE Table 6-4 ] V = 95 mph [ OSSC Figure 1609 ] l = 1.00 [ ASCE Table 6 -1 ] q = 18.5 psf G = 0.85 [ASCE Sec 6.5.8 ] s/h = 0.64 [ Clearance ratio, Fig 6 -20 ] B/s = 1.16 [ Aspect ratio, Fig 6 -20 ] C = 1.72 [ Case & Case Cf = 0.00 O to s [ Case C where B/s > 2 ] C = 0.00 s to 2s Cf = 0.00 2s to 3s Cf = 0.00 3s to 10s F = 14560 lbs [ Case & Case F = 0 lbs [ Case C, O to s ] F = 0 lbs [ Case C, s to 2s ] F = 0 lbs [ Case C, 2s to 3s ] F 0 lbs [ Case C, 3s to lOs ] • •• •• •• • • • . • • 000 00 • • • . . • • • • . • . . • ... .. • • • • howl .r Structural . Civil . . s <. r ' Job Name: Tigard HS Scoreboard . • • • ' • • Sob Nos: 1143 Sheet No: SG-4 • Client: Tigard Athletic Boosters Club • • • • •• •Date• • • Oct011 By GGM • . • • :.° ... •.. • •.. ••. Seismic Loads • • peMSCZ 745 • • • • • • • • • • • • • • Component ID Daktronic BF -2021 } DA•10f10 • • ••• • Seismic Force, F = [(0.4 *a *Sp *Wp) /(Rp /Ip)] *(1 + 2 *(z/h)) Lower Limit, F = 1.6 *Sp *lp *Wp Upper Limit, F = 0.3 *S *Ip *Wp Input: S 0.925 From Figure 22 -1 S 0.334 From Figure 22 -2 F = 1.130 From Table 11.4 -1 F„ = 1.732 From Table 11.4 -2 a = 1.0 From Table 13.6 -1 Rp = 2.5 From Table 13.6 -1 Wp = 1859.0 lbs Unit weight of component (750 +340 +769 future) 1p = 1.25 From Sec. 13.1.3 z= 24.00 ft Height of point of attachment of component (avg) • h = 24.00 ft Ave height w/ respect to base Calculated Values SMS = 1.045 = F *S - Eq. 16 -38 S = 0.578 = F - Eq. 16 -39 Sips= 0.697 = 2/3 *S - Eq. 16 -40 SD1 = 0.386 = 2 /3 *S - Eq. 16-41 Resulting Seismic Force F = 777.2 lbs Wind Controls F (upper limit) = 2590.8 lbs F (lower limit) = 485.8 lbs Fastener Forces a 1.3 From Table 13.6 -1 Rp = 1.0 From Table 13.6 -1 F = 2428.9 lbs Rev values for connecting system per Table 13.5 -1 • . • . • . • . • .. • • • •• •• S. • • • • . . • • . • • . : • • • : • • • ®� •• . . • • Structural • ,Civil Engineers • ` ` ` IIIMMIll Job Name: Tigard HS Scoreboard • •• • • •'. • • Job No:: 1A 153 Sheet No: SG-5 Client: Tigard Athletic Boosters Club • • • • 'Date: : 04 2011 By: GGM • Column Loads ••• ••• • • • • • • • • • • • ••• ••• •• • • • • Case A Single load applied at centWof sign • F = 14560.4 lbs [ sheet SG -3 ] Fnet = 13548.3 lbs [ assume upper 75 sf 50% open ] PCOL = 6774.2 lbs Case B: Single load applied 0.2B from CL F = 13548.3 lbs [ sheet SG -3 ] _B= 25.0 ft 0.2B= 5 ft span = 16.5 ft a = 3.25 ft b = 13.3 ft PCOL1 = 10879.7 lbs < Controls PCOL2 = 2668.6 Ibs • Case C: Resultant through geometric centers F = 0 lbs s = 21.6 ft F2 = 0 lbs Balance = -39.74 F3 = 0 lbs F4 = 0 lbs PcoL1 = N/A lbs PCOL2 = N/A lbs ' . • • •• •• • • •• • • • • • • •w• • • • • • • • • • • • • • • • • • • • • • • • • • • •••• • • •• • • • • w D ¥ sstructural . civil Engineers Job Name: Tigard HS Scoreboard • : .•„ •' • •11b No. 1.11153 Sheet No: SG-6 Client: Tigard Athletic Boosters Club • . • • • • _ D a te: : Oct 2011 By: GGM • ••• l • ••• • ••• • • • Pole Footing ••• ••• • • .' •• • • • • • • ••• ••• •• • • • • • Non- Constrained • PCOL = 10879.7 Ibs [ Applied load ] h = 22.8 ft [ Height to applied load, mid - height of sign ] MCOL = 247513.2 ft-lbs b = 5.00 ft [ Diameter of round ftg or diagonal of square ] d, = 12.40 ft [ Est. depth - iterate to convergence ] p = 150 psf [ Lateral bearing pressure, OSSC Table 1804.2 ] x = 2.0 [ increase for isolated pole, OSSC Sec 1804.3.1 ] SMAX = 9920 psf [ Max. allowable soil bearing based on depth ] S 1240 psf [ Allowable soil bearing based on one third depth ] A = 4.11 d = 12.35 ft Required depth I 60" dia x 12'-4" deep I Check column stress S = 119.0 in f = 24.96 ksi < 30 ksi, OK I W16x67 or W14x82 Contrained (alternate) d, = 8.90 ft [ Est. depth - iterate to convergence ] S3 = 2670 psf [ Allowable soil bearing based on depth ] d = 78.80 d = 8.88 ft 60" dia x 9 foot deep if constrained by pavement • •• •• • • • • •• • •• • • • • • • • . .. • • D Structural . Civil Engineeri t cc Job Name: Tigard HS Scoreboard • • • • • • • • Jqb No:: 1.1:153 Sheet No: SG -7 Client: Tigard Athletic Boosters Club • • • • • • • • Date Oct 2011 By: GGM • Girt Loads ••• ••• • • •• •• • • • • • • • ••• ••• •• • • • • • • • • • • • • • Assume uniform loading based on tributary width • • • • Span = 16.0 ft Deflection limit, U 240 = 0.80 in Cantilever = 4.0 ft Max trib. Width = 7.3 ft Wind load = 27.0 psf Uniform load = 195.7 plf M SPAN = 6261.4 ft-lbs M CANT = 1565.3 ft-lbs S REQ'D = 2.72 413 S ACTL = 6.96 m I REQ'D = 12.44 in4 I ACTL = 20.90 in4 HSS 6 x 4 x 1/4 • • f + .1 .l 1 I l 1 .1 , 3, :,I r J l •1 .) •1 1 1 ) l l 1 1 1 1 '1 '1 ' ' 1 1 l 1 l ) t ,l .1 l 1 l .1 .1 ) 1 J ) ) .) ) 1 J J , CAP PL Y2x16Y4x10Y4 TYP __ -z. 1 J-, 1a ) - �) O 1", ID l 1 - ) ) .T } \- so . A]] l , L 1 ) I 'I - HSS 4x4x1/4x17' -6" I BACK BRACES AT BASE I I OF SCOREBOARD AND I I 8' -6" ABOVE BASE I 1 I I I I I HSS 6x4x114 (FLAT) (3) PLACES FRONT N FACE BY SIGN c SUPPLIER x CO 3 (E) SLOPE 4'-0" WIDE x 6' -0" OR • ° Q 5' -0 r DIA DRILLED FOUNDATION . • I I I - I I i FILL W/ 2500 psi CONCRETE AFTER WF COLUMNS SET • ' - ° . a AND PLUMBED a 12'-4" a ° • MIN - LEVELING PAD 4 AS REQ'D . a a- 1 �I 1 - 1 , 1 ? u c r u 1a DETAIL: SCOREBOARD SUPPORT - PHASE A REF: ���EO P ROFFf� SCALE: 3/16 " =1' -0" � .5 G I N � /O 4 , A y Job Name: THS FOOTBALL SCOREBOARD Date: 10/03/2011 i / Job No 11153 Drawn: GGM ■ lis ' GON ...., Client: TIGARD ATHLETIC BOOSTERS CLUB Sheet: f, ✓4N• 1 8 . .0cP `VV SK-1 C G INA- W D ¥ Structural 'Civil Engineers killimildi RENEWS: 12 - - 2012 I 6443 SW Beaverton - Hillsdale Hwy, suite 210 Portland, OR 97221 ph:603.203.8111 www.wdyi.com 02011 WDY, INC. a a g 1 •F�1 A .. :EL �.i " i I /' i 6 — . 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