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CT ENGINEERING
180 Nickerson St.
INC
Suite 302
Seattle,WA 98109
(206)285-4512(V)
(206)285-061 8(F)
asolomon(&ctengineering.com
BULLETIN
Date: April 16,2019 Number: CT-57 Project#: 15238
Project Name: River Terrace Attached: CT-57.1
Subject: All Lots—Typical Cantilever Retaining Wall
Drawings Affected:
Description/Action:
This bulletin provides response to RFI, design clarifications and/or variation requests for the `River
Terrace' project located in Tigard, Oregon.
See attached typical cantilever retaining wall detail and schedule as requested.
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04/16/2019
CALL WITH ANY QUESTIONS
Issued by: Arnold R. Solomon Date: April 16,2019
Distribution:
Contact Information:
Paul McColm Polygon Northwest Company
Frank Sandoval Polygon Northwest Company
Angela Christensen Polygon Northwest Company
David Burnett Milbrandt Architects
R:\15238 River Terrace SF\Bulletins\15238_2019.04.16_CT57_AII Lots-Typical Cantilever Retaining Wall.doc
Structural Engineers
RIVER TERRACE CT-57.1
(CT-57 BULLETIN)
CONC.S.O.G.&4010.
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WALL HEIGHT HEEL TOE BASE DEPTH DOWELS `ERT.BARS wa
HICNNESS
0-0 TO 4'-0' 0-10' 0-6' 2'-0 1-0 ID AT 16.0.C. i5 AT 16'0.0 8' M
YERi.BARS PER
4'-1'TO 6'-0' 0-10" 1'-0 0-6' 0-0' 16 AT 16'0.0 LIS AT 16'0.0 0• . MaSLE-Pp vim
6'-1'TO 8'-0' 1'-4' 1'-6' 0-6' 1'-0 15 AT 12'0.C. is AT 12"O.0 8' I'
I . 14 AT 10'O.C.NCR.
8'-1'10 10-0' I'-10' 2-0' 4'-6• 0-0 .5 AT B'0.0 is AT B'0.0 B' J° NOTE
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10-1'TO 10-0' 2'-4' 2-6' 5-0' 1-0 rR AT 6'0.C. (AT 6'EEC. 8' I IN PLACE OON FRAOE TO AO ANY
BE
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BACIOYLNG OF TIIE WALL
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CANTILEVER RETAINING WALL