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CT ENGINEERING
N C 180 Nickerson St.
IMn 2 Suite 302
/ " 'S1 Q 9 2—900 3o Seattle,WA 98109
(206)285-4512(V)
i 7 S 1-- fir t (206)285-0618(F)
asolotnon@ctengineering.com
BULLETIN
Date: June 20, 2022 Number: CT-02 Project#: 21078
Project Name: South River Terrace Attached: CT-02.1
Subject: Cantilever Retaining Wall
Drawings Affected:
Description/Action:
This bulletin provides response to RFI's, design clarifications and/or variation requests for the
'South River Terrace' project located in Tigard, Oregon.
See attached page CT-02.1 for cantilever retaining wall detail and schedule. Per our discussion with
Taylor Morrison, it's our understanding that for several lots, cantilever retaining walls will be required
as shown.
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06/20/2022
CALL WITH ANY QUESTIONS
Issued by: Arnold R. Solomon Date: June 20, 2022
Distribution:
Contact Information:
Dennis Gaudreault Taylor Morrison
Frank Sandoval Taylor Morrison
Sam Scott Taylor Morrison
Amy Russell Taylor Morrison
Elizabeth Erlandson Milbrandt Architects
N:\21078 South River Terrace\Bulletins\21078_2022.06.20_CT02_Cantilever Retaining Wall.doc
Structural Engineers
CT-02 BULLETIN CT-02.1
CONC.S0.G' \ /.T AT 24'O.C.
I I—
—III-004.s s
FREE-BRAND
BACKELL
RE: GEOTECH •
•
VERT.BARS PER
2'CLR. •. SCHEDULE(LAP M1TH
DOMELS)
/4 AT 10'0.C.HOR.
•
•
p CANTILEVER RETAINING WALL SCHEDULE
WIl1 HEW HEFT TGIF BASE DEPTH 00METS ' VERT.BARS THICKNESS
•
Z. 0'TO 3'-0' 0'-4' 0-4' 1'-4• 8' y4 04 016• 8'
g " �BARS TO MATCH 21-1'TO 4'-0' 0-6' 0-8' 1'-8' 10- µ 0 16' /4 0 16' 8"
- - 4'-1'TO 61-0' '-10' 0-6' 31-0' 10• /4 0 12- /4 0 1r B'
RETANNG WALL FOOTNG j :- •
/ FOOTING BARS TO MATCH
VER'T.BARS 6'-,•roe•-d 3'-Y 0-6" 4'-4" 12' 010' 8 0,0 e'
.�y.. •PER SCHEDULE - -.- . . y. 8'-I•TO 10'-0' 4'-7' 0-6' 5-9' 12• /5 0 8' fi 0 e• e'
10-I•ro1Y-0' 5'-10' 0-6• 71-0' 14• /505" /5 05' 8'
•
FOUNDA11ON DRAIN °I'I•=0.1I.I•=0‘I
BY OTHERS \ •
_ \
�IIIIII
11—TIT d • .. �" • ' 1.1-1I-11�11 ."\
/5 0 12'LCNGINDNAL
HEEL B' TOE
BASE
•
/ /
CANTILEVER RETAINING WALL
Bend Office (541) 330-9155
Ceotechnical Office (503) 601-8250
Carlson Testing, Inc. Eugene Office (541) 345-0289
Salem Office (503) 589-1252
Tigard Office (503) 684-3460
Daily Report of Proprietary Anchors
Client POLYGON WLH LLC - SCOTT NELSON
Project: SOUTH RIVER TERRACE - LOT 19 (LOT 56) CTI Job#: T2103986.0
Address: 10786 SW LEAF LN TIGARD Jurisdiction: TIGARD
CTI representative A. IDZARDI WABO SI 01951/AWS 12041141/ICC 8210349
was on site this date Jul. 21, 2022 to perform Special Inspection for:
Permit MST2022-00030
DFS #(s) PO Number:
SCOPE OF INSPECTION Location of proprietary anchors inspected [to include grid
lines, elevations (floors) and drawing details]:
1. Checked in with superintendent or client representative.
-OBSERVED THE INSTALLATION OF #3 REBAR DOWELS
Name: ROB
Co►n an TAYLOR 24" OC PER BULLETIN #CT-03 7/16/22 FOR A CHANGE
P Y IN SLAB ON GRADE ELEVATION IN AREA FRONT OF
2. Inspection was "IBC" Continuous x Periodic GARAGE.
PROPRIETARY ANCHORS
Yes NoN/A
1. Reviewed previous inspection reports? _ x
2. Reviewed evaluation report? x
Verified following items meet manufacturer's
published installation instructions. REPORT SUMMARY
3. Verified minimum embedment depth of the
anchors. x 1. Work inspected was: n Completed In progress
4.Verified installation of the anchors. x 2. Completed work inspected was in compliance with
5. Verified anchor diameter. x Approved plans and specifications Shop drawings
6. Verified steel grade. x RFl x Design change n Submittal I n I N/A
7. Verified hole diameter.
8. Verified type of drill bit used. x Document #(s) SEE TEXT Dated: 07-16-2022
9. Verified hole cleaning method. X 3. Noncompliance item(s) were noted this date, details on
10. Verified adhesive application. x following page(s). Yes No N/A
11. Verified edge distance. x
12. Verified spacing. x 4. Noncompliance item(s) were reinspected this date, details
13. Verified installation torque. X on following page(s). Yes I No x N/A
nConform n Remain in progress
Evaluation report number & date:
ESR-2508;07/2016 Report(s) findings were discussed and left with
ROB
of TAYLOR
Name of product being installed SIMPSON SET-XP
Batch Number 1000261839
Expiration Date 2024-05-03
Based on the Code, approval is required from the Building Official before the SPECIAL INSPECTED items noted above can
be covered. Carlson Testing has no authority to direct work of contractors or subcontractors.
See additional report page(s). I I Distribute attachments.
Page 1 of 2
•
Daily Report of Proprietary Anchors For: 07/21/2022
CTI Job #: T2103986.0
Project: SOUTH RIVER TERRACE - LOT 19 (LOT 56)
Notes:
1
1
4
gi
} In some cases more than one box may be checked for a given item on the front page.
r
Our reports pertain to the material tested/inspected only.Information contained herein is not to be reproduced,except in full,
without prior authorization from this office.Under all circumstances,the information contained in this report is provided
subject to all terms and conditions of CTI's General Conditions in effect at the time this report is prepared.No party other
than those to whom CTI has distributed this report shall be entitled to use or rely upon the information contained in this
document.
If there are any further questions regarding this matter,please do not hesitate to contact this office.
Respectfully submitted,
CARLSON TESTING,INC.
Keith Gauvin Reviewed By: Steven W Leach
Project Manager Review Date:07/21/2022
AI/AI
CC: POLYGON WLH LLC - SCOTT NELSON SNELSON@TAYLORMORRISON.COM
CITY OF TIGARD BUILDING DIVISION - WALTER 'CHIP' BARNETT FINAL/NCL ONLY
POLYGON NORTHWEST (TAYLOR MORRISON) - ROB KOEHN RKOEHN@TAYLORMORRISON.COM
8430 SW HUNZIKER ST,TIGARD OR-PO BOX 230997,TIGARD OR 97281
Page 2 of 2