Plans (29) f 1 +
frt 5TI-0/1 - 06°4-ir
MICE COPY
CT ENGINEERING
180 Nickerson St.
INC
Suite 302
Seattle,WA 98109
(206)285-4512(V)
(206)285-0618(F)
asolomon@ctengineering.com
BULLETIN
Date: May 16,2017 Number:CT-22 Project#: 15238
Project Name: River Terrace SF Attached: CT-22.1, CT-22.2
Subject: Plan 5A(R)(Lot 74)—Revised deck layout
Drawings Affected:
Description/Action:
This bulletin provides response to RFI, design clarifications and/or variation requests for the 'River
Terrace SF' project located in Tigard, Oregon.
Per attached plan and structural calculations, see revised deck framing layout for Plan 5A(R) (Lot
74) as requested by the Owner.
'CkC"p PRO' 1
REVISION 4d
REG�i46%1
22 .\' <CZ?
��FS T
05/16/2017
City of Tigard
Approved Plans 31
Date _
CALL WITH ANY QUESTIONS
Issued by: Arnold R. Solomon Date: May 16,2017
Distribution:
Contact Information:
Chris Walther Polygon Northwest Company
Ken Wilde Polygon Northwest Company
Alexia Fukui Milbrandt Architects
R:\15238 River Terrace SF1Bulletins\15238_2017.05.16_CT22_Plan 5A(R)(Lot 74)-Revised deck layout.doc
Structural Engineers
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RIVER TERRACE SF: PLAN 5A(R)(LOT 74) CT-22.1
2x8 TRIM OVER P.T. 2x8
RIM TYP. ALL SIDES
6x6 PT POST
,n,:=1-----4i2JN,tABU86 TYD. -1 f I
I,'-� P T. 4x10 HDR --I--A-I— �TTTX O FiDR 1- 1
�
J
L18"x18"x10" DEEP FTG. ,' \•
40'-0" /(2)#4 BOTT. E.W. TYP. ,/ •
21'-13/4" 1 •
�' 18'-10y4" \\
i _-r I / \ v
L� 2LOPED HU210 // • in
Io JOIST HANGER i • 0 0
i
CONC. SLAB OR—\f i�P.T. 1x6 DIAGONAL ,�\,-
8" SQ.x12" DEEP -1 f� BRACE, TYP. o_
CONC. FTG. TYP. L=-I-I 1�Z- �V® a��\
2 PT 2x10 NOTCHED U J / L_
STAIR STRINGER TYP. I. i� ••
P4 IL iSTHDI14
• \\ STHD14
i 71 ___Vii___ _ P.T. x8 LGER
11 • I/( f• I/I • 1/1 16-4.-
I. .._1144.. _113'4". 1.13/4 1
EP I
Pian 5A(R) FOUNDATION PLAN
1/4"--- I'-O" DECK AT GRADE PER SITE CONDITIONS,LOT 74
t
i ,
CT-22.2
Title:RIVER TERRACE SF: PLAN 5A(R) (LOT 74) Dsgnr: Date: 2:47PM, 16 MAY 17
Description:
Scope:
Timber Beam & Joist Page 1
15238_riverterrace 5abd.ecw:15238-5A
Description REVISED DECK(LOT 74)
Timber Member Information11
BI B2 B3
Timber Section 2x8 4x10 2X10
Beam Width in 1.500 3.500 1.500
Beam Depth in 7.250 9.250 9.250
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 850.0 900.0 850.0
Fv-Basic Allow psi 150.0 180.0 150.0
Elastic Modulus ksi 1,300.0 1,600.0 1,300.0
Load Duration Factor 1.000 1.000 1.000
Member Type Sawn Sawn Sawn
Repetitive Status Repetitive No No
Center Span Data
Span ft 11.00 9.25 11.00
Dead Load #/ft 20.00 83.00 10.00
Live Load #/ft 53.00 220.00 27.00
Dead Load #/ft 19.00
Live Load #/ft 50.00
Start ft 4.000
End ft 7.500
I fResUlts Ratio= 0.8596 0.7214 0.6699
Mmax @ Center in-k 13.25 38.89 13.40
@ X= ft 5.50 4.62 5.63
fb:Actual psi 1,008.3 779.1 626.4
Fb:Allowable psi 1,173.0 1,080.0 935.0
Bending OK Bending OK Bending OK
fv:Actual psi 49.6 54.5 32.7
Fv:Allowable psi 150.0 180.0 150.0
Shear OK Shear OK Shear OK
Reactions
@ Left End DL lbs 110.00 383.87 86.74
LL lbs 291.50 1,017.50 232.02
Max.DL+LL lbs 401.50 1,401.37 318.76
@ Right End DL lbs 110.00 383.87 89.76
LL lbs 291.50 1,017.50 239.98
Max.DL+LL lbs 401.50 1,401.37 329.74
I eflections Ratio OK Deflection OK Deflection OK
D•Center DL Defl in -0.106 -0.037 -0.049
L/Defl Ratio 1,240.7 2,998.7 2,684.5
Center LL Defl in -0.282 -0.098 -0.131
L/Defl Ratio 468.2 1,131.3 1,006.5
Center Total Deft in -0.388 -0.135 -0.180
Location ft 5.500 4.625 5.544
L/Defl Ratio 339.9 821.4 732.0
I
r
RTRIM OVER P.T. 2x8
RIM TYP. ALL SIDES
6x6 PT POST
-Z NLABusfi-_zYPjc: r-
_.T:4x10HDR — �
i -P?�xl# 'DT- `11- " / LpF18 x18 x10 DEEP FTC.
40'-0" jI
/(2)#4 BOTT. E.W. TYP. ,
/ •
L 11 SLOPED HU210
'I0 JOIST HANGER // o I o
I
CONC. SLAB OR 114 '\ P.T. 1x6 DIAGONAL F'-- 1 -
8" SQ.x12" DEEP BRACE, TIP. a a
CONC. FTG. TYP, E 1 1 I i®I \ I
PT 2x70 NOTCHED V� /Amp'-I 1 , I
0 STAIR STRINGER TYP. j STH0n4 ��� •0 `•\ /__STHI14�� � W•!UH
Es= P- ' -�,- - -._'G
F7 -_ -__
.......'..........
I....:. �...............---..... o....................... I. I
.... ...................... ............. olz.. ......................................... ...':f I
Plan 5A(R) FOUNDATION PLAN
1/4"=1.-0" DECK AT GRADE PER SITE CONDITIONS,LOT 74
3'-0" 2'-6" I8'-10y4"
MIN. 3T @ 1034" MANUF. RAILING SYSTEM 33 "
SURFACE OR FACE ATTACHED. I¢
INSTALL PER MANUF. DIRECTIONS i
to
WOOD TREAD, MAX. RISER 8".
Li
OPEN RISER: ALL GAPS LESS
THAN 4". ADD OR REMOVE STEPS
/AS REQUIRED PER SITE CONDITION
Deck
IDI z e SPACED DECKING
b
Z
" J 'P
a
111 .M1-6
5'-0" 11'-9 4" 1 ,
iw UPPER I UP t
e FLANDING ' 9 R I
�.30 -0 •L
�iOii�— ' ,_P__=_,_—��! 4-0 :-6 SH
.../ 6-0 8-0 SGD
® DOOR SLIDE N IL_LII_ _JI
L___,
Ur r
Plan 5A(R) MAIN FLOOR PLAN
1/4"=7=0" DECK AT GRADE PER SITE CONDITIONS,LOT 74
IlOR iiiiiiiiifI1i1l1 i=
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l
Plan 5A(R) REAR ELEVATION
1/8"=7'-0" DECK AT GRADE PER SITE CONDITIONS,LOT 74
PROJECT NAME: Polygon at River Terrace — Plan 5ARARCH. JOB NO.: 1503 BULLETIN
DATE: 05-16-2017 SCALE: As Indicated PAGE:
PREPARED BY: Alexia Fukui REF. SHEETS: A2, A5, A8 MAi7
This bulletin is a stand-alone document. Referenced sheets posted at online plan center have NOT been updated typically.