Plans (25) ISTD-0&-0a&)._.i-/
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MI
MAY 8 2017
Bulletin CITY F� IGAR
' H PING DIVISION
MILBRANDT ARCHITECTS
Bulletin#: MA-16 Date: 5-3-17 ATTACHMENTS: MA-16
Job Name: Polygon at River Terrace-Area 7 Job No: 1503
Bulletin issued at request of Chris Walther.Deck for Plan 17 at Lot 51 shown in original drawings as a simple raised deck with stairs
down.Due to grades per the attached photos,the deck will expand and be revised as shown on the attached bulletin page:MA-16 and
any accompanying structural documents.
REVISION
ACiti "�,igard
pproorved Plan
1 e .e-._52_17
Distribution
Job Site
Client — Chris Walther Angela Grajewski
Struct.Eng. Arne Solomon
25 CENTRAL WAY SUITE 210 : KIRKLAND,WA 98033 : 425.454.7130 : WWW.MILBRANDTARCH.COM
PT 2x10 NOTCHSTAIRSPER AS NEEDED
GRADE
STAIR STRINGER 3'_g" 2%4" 6'-6Y" 7.-6g" 7'-4" 1'-0 " 3-1"
CONC. SLAB SOLID PT 2x12 SKIRTS 2x8 TRIM OVER P.T. 2x8'
OR 8" SO.r__ - RIM TYP. ALL SIDES -'- - r-'-
x12" DEEPrr ij L PTil �x i A6F�I ;a I — I r .- - - - - Ir q Y v'i S 1 . .
CONC. FTG 1 - `-' 6x6 PT POST 4x10 HDR _
11
SLOPED HU210 I W/ABU66 /// I I ' ,
JOIST HANGER I I _
CENTERED ola II—1 1 I f� I
INTERMEDIATE I 1 I
STRINGER CV cn _I I Cc cn
P.T. 6x6 POST
F- O I�=� I- - - - -I .. I _ 41//W/ABU66 I-. .I
a
00 o _ 4x10 HDR � '' Ju,
6x6 PT POST - ~ J
_�U
a
W/ABU66 O
SLOPED HU210 cs
1--
MIII 31'-3" I
JOIST HANGER 2x LEDGER i< �g•_g••
TiallEE • MOM 18"x18"x10"
"IIM- MEMIll alliM.1.1i I STHD14RJ DEEP FTC. W/
12)#4 Borr. E.W.
I (TYP.U.N.O.)
ati
Plan 1 7-DL FOUNDATION PLAN
1/4"=1'-0" LOT 51
STAIRS NEEDED
1
eER GRAD 29'_11"
.,
•
•
UP ao
+ + 7'-8y" LI ?4 El
o
1
V
, )
thk
31'-3" 6x6 PT POST
o
5'-10 " —�
5'-4" -1n- y
3-0I5-0 F 3-0I5-0 F Lower Deck
MUMMEMMili
I I
I I cj 8 PATIO i 4'-2/4" 5•_0^ 5._0.. 4'_6Y"
I I '' 1.
1.5
Plan 17-DL LOWER FLOOR PLAN
LOT 51
no
C>
10%-03/4" o 15'-9y" limolm•==�
I.
50'-O" I • i I 11111 o
8'-9" IIII
■
Upper Deck
c MI
In ® Ni
Ano% i
Plan 1 7-DL L i
OWER FLOOR PLAN
LOT 51
PROJECT NAME: Polygon at River Terrace Plan 17 ARCH. JOB NO.:1503 BULLETIN
DATE: 05-3-2017 SCALE: As Indicated PAGE:
PREPARED BY: Alexia Fukui REF. SHEETS: A2, A5, A8 'MA-16
This bulletin is a stand-alone document. Referenced sheets posted at online plan center have NOT been updated typically.
RIVER TERRACE SF: PLAN 17-DL (LOT 51) CT-20.1
STAIRS AS NEEDED
PT 2x10 NOTCHED PER GRADE
STAIR STRINGER 3'-6" 2/4" 6'-6," 7'-63/8" 7'-81/8" 1' D%" 3'-1"
CONC. SLAB
SOLID PT 2x12 SKIRT-\/
2x8 TRIM OVER P.T. 2x8
OR 8" SQ.r�- r B3 - r- i r ,RIM . ir , _ [ 7J
SLOPED HU210 I W/ABU66
JOIST HANGER r -, M r ,
CENTERED m
I I I II I I
INTERMEDIATE o 1 ® I I I
STRINGER cv I I P.T. 6x6 POST I --J Li
�o �� ci r--, r--, W ABU66 r— 3
-- oo ` 62 I 1 ______I I
o I ----- I I I
N(p L--J 4x10 HDR L -J� --J
6x6 PT POST o 0 1
a W/ABU66 0
ri In
io
SLOPED HU21O 1n • N
31'-3" JOIST HANGER =a
i -
2x LEDGER a 18.-9"
177
-- 4- 18"x18"x10"
\ ISTHDI4RJ DEEP FTG. W/
01 I
(2)#4 BOTT. E.W.
1 ..1. 1 (TYP.U.N.O.)
................................................................ I P3
)
Plan 1 7-DL FOUNDATION PLAN
1/4"= 1'-0" LOT 51
CT ENGINEERING
11/C 180 Nickerson St.
Suite 302
Seattle,WA 98109
(206)285-4512(V)
(206)285-0618(F)
asolomon@ctengineering.com
BULLETIN
Date: May 4,2017 Number: CT-20 Project#: 15238
Project Name: River Terrace SF Attached: CT-20.1, CT-20.2
Subject: Plan 17-DL (Lot 51)—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 17-DL (Lot
51) as requested by the Owner.
6-p PRp. /
,<<" \_\G I N 4",
& C ., 60 10,
Lo A ti
Vtil
�OREGO 9A, ` 22,
,e
05/04/2017
CALL WITH ANY QUESTIONS
Issued by: Arnold R. Solomon Date: May 4, 2017
Distribution:
Contact Information:
Chris Walther Polygon Northwest Company
Angela Graiewski Polygon Northwest Company
Alexia Fukui Milbrandt Architects
R:\15238 River Ten-ace SF\Bulletins\15238—2017.05.04—CT20_Plan 17-DL(Lot 51)-Revised deck layout.doc
Structural Engineers
CT-20.2
Title: Job#
RIVER TERRACE SF: PLAN 17-DL (LOT 51) Dsgnr: ARS Date: 4:03PM, 4 MAY 17
Description:SF RESIDENCE
Scope: STRUCTURAL DESIGN
Timber Beam & Joist Page 1
15238_riverterrace17 dl.ecw:Calculations
Description REVISED DECK(LOT 51)
Timber Member Information
131 B2 B3 B4
Timber Section 2x8 4x10 4x10 2X10
Beam Width in 1.500 3.500 3.500 1.500
Beam Depth in 7.250 9.250 9.250 9.250
Le:Unbraced Length ft 0.00 0.00 0.00 0.00
Timber Grade Hem Fir,No.2 Douglas Fir- Douglas Fir- Hem Fir,No.2
Larch,No.2 Larch,No.2
Fb-Basic Allow psi 850.0 900.0 900.0 850.0
Fv-Basic Allow psi 150.0 180.0 180.0 150.0
Elastic Modulus ksi 1,300.0 1,600.0 1,600.0 1,300.0
Load Duration Factor 1.000 1.000 1.000 1.000
Member Type Sawn Sawn Sawn Sawn
Repetitive Status Repetitive No No No
Center Span Data
Span ft 11.00 7.50 6.50 11.00
Dead Load #/ft 20.00 113.00 83.00 30.00
Live Load #/ft 53.00 300.00 220.00 80.00
Cantilever Span
Span ft 3.50
Uniform Dead Load #/ft 83.00
Uniform Live Load #/ft 220.00
Point#1 DL lbs 165.00
LL lbs 440.00
@ X ft 3.500
Results Ratio= 0.8596 0.6465 0.8845 0.9982
Mmax @ Center in-k 13.25 34.85 13.24 19.96
@ X= ft 5.50 3.75 2.70 5.50
Mmax @ Cantilever in-k 0.00 0.00 -47.68 0.00
fb:Actual psi 1,008.3 698.2 955.3 933.4
Fb:Allowable psi 1,173.0 1,080.0 1,080.0 935.0
Bending OK Bending OK Bending OK Bending OK
fv:Actual psi 49.6 57.4 66.4 56.5
Fv:Allowable psi 150.0 180.0 180.0 150.0
Shear OK Shear OK Shear OK Shear OK
Reactions
@ Left End DL lbs 110.00 423.75 102.69 165.00
LL lbs 291.50 1,125.00 715.00 440.00
Max.DL+LL lbs 401.50 1,548.75 817.69 605.00
@ Right End DL lbs 110.00 423.75 892.31 165.00
LL lbs 291.50 1,125.00 2,369.23 440.00
Max.DL+LL lbs 401.50 1,548.75 3,261.54 605.00
Deflections Ratio OK Deflection OK Deflection OK Deflection OK
Center DL Defl in -0.106 -0.022 0.005 -0.077
L/Defl Ratio 1,240.7 4,132.2 14,355.3 1,717.9
Center LL Defl in -0.282 -0.058 -0.024 -0.205
L/Defl Ratio 468.2 1,556.5 3,260.5 644.2
Center Total Defl in -0.388 -0.080 0.020 -0.282
Location ft 5.500 3.750 4.524 5.500
UDefl Ratio 339.9 1,130.6 3,910.7 468.5
Cantilever DL Defl in -0.041
Cantilever LL Defl in -0.110
Total Cant.Defl in -0.151
L/Defl Ratio 556.4