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Specifications (2) OFFICE COPY ,RFCEIVED CT ENGINEERING MAR 3 1 2016Structural EnAlnssrs 180 Nickerson Street Suite 302 Seattle, WA 98109 INC. 208.285.4512 (V) 208.285.0818 (F) CITY OF TIGARD BUILDING DIVISION City of "i:garci #15238 Appro vie °, ' pl ental Structural Calculations O d .900 ,�Ce GIN �, I`�l 6ra-o l S � y 3 G 60 JR iver Terrace ; go � •,. Plan 5 kd Elevation A 4. 44.RE � I� REVISION d Pies T. c��� X16 Tigard, OR 651, Design Criteria: 2012 IBC (ORSC, OSSC) 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 Ph: 425.454.7130 Fax: 425.646.0945 r SO' I . 6X6 6X6 e HDR -..-1 B.a3 U) N U V)O R a N l- 0 O Q K _I 50-10142x LEDGE.®'M" MST37 MS-37 IASr37 MS137 J ti 1 MAIN FLOOR SHEAR PLAN & Plan 5A(R) TOP FLOOR FRAMING PLAN ye-1'-0' ENGLISH REVIVAL-Optional Roof at Patio . PATIO WIDTH VARIES PER LOT r - , 16 D2 a W W 0 to I. Patio W 19'-54 ♦ -x 40'-0- ;/ 11'-9 • I 8'-1074 6'-4- I I .-0 SL I Ioi 4-0 1-6 SH v6080SSD I r---r--1 I 16 DOOR SIJ5E �1 L_.0-�,, i( 'o ) L--- - Plan 5A(R) MAIN FLOOR PLAN 1/e-1'-0" ENGLISH REVIVAL-Optional Roof at Patio PATIO WIDTH VARIES PER LOT tir 6x6 PT INFRI POST arc r-� -' THICKENED SLAB 0 L--_, EDGE a 4D'_O• _ io S' 1 6 L 4•_O• 3• 14'-574 ♦ m aV W cc1 --or -1'-3 -0'-714• 3r CONC. SLAB 1 /-STHD',' 511-1D14 VI VI L t,-- - -- II—- I- .... -1, I % Plan 5A(R) FOUNDATION PLAN 1/e-1'-O" ENGLISH REVIVAL-Optional Roof at Patio PROJECT NAME: River Terrace ARCH. JOB NO.: 1503 BULLETIN DATE: 03-15-16 SCALE: 1/4- = 1'-0" PACE: PREPARED BY: Alexia Fukui REF. SHEETS: A2, A5 & A6 MA-10 This bulletin is a stand-alone document Referenced sheets posted at online plan center have NOT been updated typically. 4! N Title: Job# Dsgnr. Date: 12:49PM, 15 MAR 16 Description: Scope: Rev. woos Page 1 UserKW-0602997,Ver 5.8A.1-Deo2003 Timber Beam &Joist ,523g Page (6)1983-2003 ENERCALC Engineering Software ns Description 15238-5A-Top Floor Beams Timber Member Information :ode Ref.1997/2001 NDS,2000/2003 IBC,2003 NFPA 5000.Base allowables are user defined 11 Bal. B.a2 B.a3 Timber Section 6x10 3.1254 6x12 Beam Width in 5.500 3.125 5.500 Beam Depth in 9.500 9.000 11.500 Le:Unbraced Length 0.00 0.00 0.00 Timber Grade Douglas Fir- Douglas Rr,24F- Douglas Rr- DouglasRr- Hen Fir,No.2 Han Rr,No.2 Larch,No.1 V4 Larch,No.1 Lardy,No.1 Fb-Basic Allow psi 1,000.0 2,400.0 1,350.0 Fv-Basic Allow psi 180.0 240.0 170.0 Elastic Modulus ksi 1,700.0 1,800.0 1,600.0 Load Duration Factor 1.000 1.000 1.150 Member Type Sawn GluLam Sawn Repetitive Status No No No Center Span Data Span ft 4.00 6.00 17.75 Dead Load #/ft 323.80 200.00 112.50 Live Load #/ft 606.30 400.00 187.50 Dead Load #/ft 330.00 453.80 Live Load #!ft 550.00 756.30 Start ft 1.750 <5%Therefore OK. End ft 4.000 Point#1 DL lbs 1,612.50 LL lbs 2,687.50 X ft Results Ratio= 1.0193 0.9654 0.7533 11 Mmax©Center in-k - 97.75 141.78 X= ft 1.76 3.00 8.87 fb:Actual psi 1,019.3 2,316.9 1,169.5 Fb:Allowable psi Ova1,00 s 0 2Bending1,552.5 OK 0 Bending OK fv:Actual psi 117.9 217.8 56.6 Fv:Allowable Psi shear oK Shear OKO shear OK.S Reactions 11 Left End DL lbs 1,763.46 1,961.40 998.44 LL lbs 3,072.37 3,468.90 1,664.06 Max.DL+LL lbs 4,835.82 5,430.30 2,662.50 @ Right End DL lbs 1,886.74 1,961.40 998.44 LL lbs 3,277.83 3,468.90 1,664.06 Max.DL+LL lbs 5,164.57 5,430.30 2,662.50 Deflections Ratio OK Deflection OK Deflection OK 11 Center DL Defl in -0.010 -0.056 -0.225 L/Defl Ratio 4,831.6 1,290.6 945.5 Center LL Deli in -0.017 -0.099 -0.375 L/Defl Ratio 2,801.7 729.7 567.3 Center Total Defl in -0.027 -0.154 -0.601 Location ft 1.984 3.000 8.875 L/Defl Ratio 1,773.4 466.1 354.6 • CT ENGINEERING OFFICE COPY IN C 180 Nickerson St. Suite 302 Seattle,WA 98109 REVISION (206)2854512(") (206)285-0618(F) asolomon@ctengineering.com BULLETIN Date: April 6,2016 Number:CT-02 Project#: 15238 Project Name: River Terrace SF Attached: None Subject: Lots 18 & 23—Patio Roof Truss Connection Drawings Affected: Description/Action: This bulletin provides response to RFI, design clarifications and/or variation requests for the 'River Terrace Single-Family' project located in Tigard, Oregon. The patio roof trusses shall be attached to the home using a 2x6 ledger with (3) 0.131"x3" nails to each wall stud. This application applies to all of the plan types in the River Terrace single-family development. C6:° PRO, A \AG I N F kt VA A 14i •fa OREGf NA� 22. • 4 "SFS T. GO' 04/06/2016 CALL WITH ANY QUESTIONS Issued by: Arnold R. Solomon Date: April 6,2016 Distribution: Contact Information: Chris Walther Polygon Northwest Company Maggie Gordon Polygon Northwest Company Rick Tolleshauq Milbrandt Architects Alexia Fukui Milbrandt Architects R:\15238 River Terrace\Bulletins\15238_2016.04.06_CT02_Lots 18&23(Patio Roof Truss Connection).doc Structural Engineers