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Specifications (8) yv‘-c-3-Tc9v Deb.- oovo y .co Ni,k°0l 311061, gs & Low CT ENGINEERING -� ' •; 6 INC W � 180 Nickerson St41, . Suite 302 t*-k. REG'NA Seattle,WA 98109 22,V°��<c? (206)285-4512(V) ST, G��� (zo6>2ss-o618(F) EVASION 04/17/2018 asolomon@ctengineering.com BULLETIN Date: April 17,2018 Number: CT-47 Project#: 15238 Project Name: River Terrace SF Attached: None Subject: Lots 24-26 (Tall Crawlspace Exterior Walls) 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 our discussion with Polygon, it's our understanding that for Lots 24 (Plan 3413D), 25 (Plan 341013) and 26 (Plan 3413A) the exterior crawlspace stud wall height for the rear walls and half the length of the side walls ranges from 5'-3"+/-to 7'-3"+/-. Based on this information and our review of the plans, the following revisions shall be made to account for the tall crawlspace studs: * The stud size and spacing for the tall crawlspace studs shall be the same as the standard full height wall directly above. All posts/bundled studs located in the standard full height wall above shall be duplicated in the tall crawlspace wall. * The side tall crawlspace stud walls shall be "P6" shearwalls (no holdowns are required). * The rear tall crawlspace stud walls shall be "P3" shearwalls to match the shearwalls above. The STHD14 holdown straps shown on the main level shearwall plan shall be replaced with MST48 floor-to-floor holdown straps. The STHD14 holdown straps shall be installed at the base of the tall crawlspace stud wall to the foundation directly underneath/aligned with the MST48 strap above. The MST48 strap and STHD14 holdown shall be attached to the same set of bundled studs in the tall crawlspace wall. CALL WITH ANY QUESTIONS Issued by: Arnold R. Solomon Date: April 17, 2018 Distribution: Contact Information: Tom Dicianno Polygon Northwest Company David Burnett Milbrandt Architects R:\15238 River Terrace SF\Bulletins\15238 2018.04.17 CT47_Lots 24-26(Tall Exterior Crawlspace Walls).doc Structural Engineers