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Specifications RECLINED,. OFFICE COPY CT ENGINEERING ��' A structural Engineers ti �' 180 Nickerson Street Suite 302 Seattle, 1PA 98109 INC. } tl` ?q { 206.285.4512 (V) 206.285.0618 (F) 1D II DI G ll`i 1 101\ Mafi © 17- c,00 144. 14-11--) sw s ti : +,c 01( #15238 Supplemental Structural Calculations REVISION NF,s, River Terrace c •;60 City or r1Plan 5 tia Approved P!an Tigard, OR v •RE • A, ��` __....._ f :_M1tF -a -�. �;9 z, \���, CfS T' G� s11\6 Design Criteria: 2012 IBC (ORSC, OSSC) ')1 ASCE 7-10 Wind Speed: 120(ULT); 93(ASD); Kzt=1 .0 Seismic: Ss=0.972, S1 =0.423, SDC=D Roof Snow Load = 25 psf Site Class = D, Bearing = 2000 psf Client: Polygon Northwest Company 109 East 13th Street, -Suite 200 Vancouver, WA 98660-3229 Ph: 360.695.7700 Fax: 360.693.4442 Architect: Milbrandt Architects 25 Central Way, Suite 210 Kirkland, WA 98033 P h: 425.454.7130 Fax: 425.646.0945 OOFF: { Title: Job# ` Dsgnr: Date: 12:54PM, 19 MAY 16 Description: Scope: Rev: 580006 User.KW-0602997,Ver 5.8.0,1-Dec-2003 Timber Beam & Joist Page 1 (c)1983-2003 ENERCALC Engineering Software 15238_opt.decks.ecw:PLAN5 Description Plan 5 Opt. Deck [timber Member Information :ode Ref:1997/2001 NDS,2000/2003 IBC,2003 NFPA 5000.Base allowables are user defined DB.1 DB.2 DB.3 Timber Section 2x8 4x8 2x8 Beam Width in 1.500 3.500 1.500 Beam Depth in 7.250 7.250 7.250 Le:Unbraced Length ft 0.00 0.00 0.00 Timber Grade Hem Fir,No.2 Douglas Fir- Hem Fr,No.2 Larch,No.2 Fb-Basic Allow psi 675.0 875.0 675.0 Fv-Basic Allow psi 140.0 170.0 140.0 Elastic Modulus ksi 1,100.0 1,300.0 1,100.0 Load Duration Factor 1.000 1.000 1.000 Member Type Sawn Sawn Sawn Repetitive Status No No No Center Span Data Span ft 7.75 9.00 7.75 Dead Load #/ft 10.00 58.10 20.00 Live Load #/ft 26.60 155.00 53.30 Point#1 DL lbs 49.20 LL lbs 131.30 @ X ft 2.000 Point#2 DL lbs 49.20 LL lbs 131.30 @ X ft 5.500 Results Ratio= 0.7427 0.7424 0.6204if Mmax©Center in-k 7.91 25.89 6.60 ©X= ft 4.03 4.50 3.87 fb:Actual psi 601.6 844.4 502.6 Fb:Allowable psi 810.0 1,137.5 810.0 Bending OK Bending OK Bending OK Iv:Actual psi 42.3 49.4 33.2 Fv:Allowable psi 140.0 170.0 140.0 Shear OK Shear OK Shear OK Reactions @ Left End DL lbs 89.54 261.45 77.50 LL lbs 238.61 697.50 206.54 Max.DL+LL lbs 328.15 958.95 284.04 @ Right End DL lbs 86.36 261.45 77.50 LL lbs 230.14 697.50 206.54 Max.DL+LL lbs 316.50 958.95 284.04 Deflections Ratio OK Deflection OK Deflection OK ` Center DL Defl in -0.039 -0.059 -0.031 1 UDefl Ratio 2,399.8 1,819.5 3,001.9 Center LL Defl in -0.103 -0.158 -0.083 UDefl Ratio 900.4 682.0 1,126.4 Center Total Defl in -0.142 -0.218 -0.114 Location ft 3.875 4.500 3.875 UDefl Ratio 654.7 496.1 819.1