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- • CT ENGINEERING N C 180 Nickerson St. ISuite 302 Seattle,WA 98109 (206)285-4512(V) (206)285-0618(F) BULLETIN Date: April 7,2021 Number: CT-08 Project#: 18162 Project Name: River Terrace Area 4 Roshak Row Houses Attached: None Subject: Deck Ledgers Drawings Affected: Description/Action: This bulletin provides response to RFI, design clarifications and/or variation requests for the 'River Terrace Area 4 Roshak Row Houses' project located in Tigard, Oregon. Per our discussion with Taylor Morrison, it's our understanding that 2x8 deck ledgers were installed at locations where the plans show 2x10 deck ledgers. Based on our review of the plans, 2x8 deck ledgers are an acceptable substitution for 2x10's provided the deck ledger fasteners are installed as noted in the "Typical Deck Framing" detail (18/S9.2) and that no portion of the deck joist hanger shall be below the bottom of the deck ledger. Please note that the architectural plans may require different deck ledger sizes depending on the type of deck used. 51 RUC TURg4 ED PRpF (/7GlN ON F. RO 04/07/2021 CALL WITH ANY QUESTIONS Issued by: Arnold R. Solomon Date: April 7, 2021 Distribution: Contact Information: Dennis Gaudreault Taylor Morrison Frank Sandoval Taylor Morrison Sam Scott Taylor Morrison Amy Russell Taylor Morrison David Burnett Milbrandt Architects K:\18162 River Terrace Area 4 Roshak Rowhomes\Phase A(Rowhomes)\Bulletins\18162_2021.04.07_CT08_Deck Ledgers.doc Structural Engineers , Bulletin MILBRANDT ARCHITECTS Bulletin#: MA-18 Date: 4-7-21 ATTACHMENTS: D6(Waterproof) Job Name: River Terrace Area IV Row Homes Job No: 1503 It has been conveyed to Milbrandt Architects that some or all of the buildings at RT IV Row Homes are being constructed with waterproof decks as opposed to the spaced decking(a.k.a.dripper deck)shown on the plans.This change is acceptable to the architect assuming the appropriate modifications are made.One point of specific interest is the ledger size being called out in the framing plans and details.A separate bulletin has been issued by the Structural FOR discussing the structural aspects of the ledger.From an architectural standpoint the 2x8 ledger is acceptable and preferred where the decking material is waterproof as indicated in the attached D6 sheet. Note:This bulletin does not approve the use of a 2x8 ledger for use in a spaced decking condition.In a spaced decking condition a 2x10 ledger shall be used per the original 12D/D6 spaced decking detail. Distribution Job Site Sam Scott Adrian Adams Client Amy Russell Struct.Eng. Arne Solomon SZI41100. 25 CENTRAL WAY SUITE 210 : KIRKLAND, WA 98033 : 425.454.1130 : WWW.MILRRANDTARCH.COM p —�1 II RO6TXG , OOF,xGPT EgiMINNN4 mKRA91G METAL I , �i FLAP MG _ ►� �' il FED a ►� i� �� I'rm.nx `_ I.VII •ti ac - IMO TRIM it i'� 3♦ ♦p �� �— zxe FAsaA I A I 1 1"POSgs zm i` mFAs3A I IRS TO i1Iv �� i !iMaRusW a Ihrat ! [i�v 'I ' !' I IN II AT ' N•0.G - I:3 @{ i RmF mua5SP- ►� 00103 SEAM / EKNROR SUM i EAIEPm 9GMG IXiflml SIDIIC i R AND OONNEGTIONPEP M'"11015 PER OEVATONS RA ELEVATIONS q po 2 =j P`" FALSE SEAM O RAT O STEP I O SINGLE DECK O RAT•DUAL D• ROOFS Ord III ,XR-31c AFF. :�i.1 Omani EDGE a a l ©COMMON WALL AT DECK;LOW ROOF 1-1/r-r-r SECTION z r� 0 ROOF AT CANTILEVERED FLOOR(COND.ATE UNITS ONLY) £ 7�1 WO. HErAL M91MC = ' COR OPROX PMP5 OSER RPOF SHEARMHC , / T a :� IAE PUN s :� �HHHili, SEE ROOF 64 amm wu P+ i� w -VI aiej Illi MLTAL RASING '-` .��- _ Imo. xNaP 1vnFR wn N " METAL I.FLASHING �' SOFFIT==1 PALM GFAII 4M�IICRP.LL tl/ iN 1111 �9 "T OWEPOMTE by r IFt/ - 4• II • Iw '� .r-H:'wFF. Illj,= . �...-�C tl1r TIAS V. 1 I I �{Y I\ SII YI I TRIM Ar NSTALL i! 1 II i==.I Loa a a TRY ° .-0.a s/m FAAu r"oEClOxc FusYxEs iYy33 I I11 I'�V I °EMNG •,Y.1 ice-1• '•I" .N�/ � WATERPROOF 0 ill 0 .CASE ELEVATIONS - OD ROOF AT WALL SECTION(COND.AT E UNITS ONLY) Pm " "P Pon 1tF ( °P'O 1. MINERAL WOOL '°� 11p1 F swot SESS.n AT l•O _�� P��, 3 �; � ',p.L�1�� ., nlPiTtOx M. Li! Fm 's 1( 1 yw RIPPED p ,i_1 MOMRK w WALL ANO r,E.AHY mt. ry - II 4,,' .1.0..Tw a JOISTS p i ,i; FOR AOPE - MINERAL f p-� NM 00.A.19Y C OSTeP nN YE )q 111 JS '1ni E RIPPED FOR AWE III O RAT WOOL 0 srEv 3 SINGE DE« < S'EE"e" COMMON WALL AT DECK 'it in IIIIIIffa► rru nwsalG O RA AT K UNITS O T-T/z•-T'-O. SECTION p •E_� 1 '�- �,� — III il!, m O m 1 Pr.b•FLOOR P.T.Pena PIAif P.T.M3RW PUTS E v OEa AOPEs A'/Faor ,ter•1a•as'� / bnG mP ���11I' p i�k III ii V nIT U COLUMN FINISH f p p IIII p Y �I' O • OA DECK SECTION AT WALL /4Ee NOT SHORN, tl i \ �I L > • 3 F FI FVAIlON$i g '"��i1'I p I"h' a) 0 = POW POST PT.POST '' 0 ^N ` 1 • 2 �� PPE OW POT I AT. Milli C F C 14.4 XumR+AHn ill ® ®��11111111A111111111111j'U'E�11= ��1' 3 O OOM —�11��7L- li -�C -r -. '.�1E1'" 11 IL Q a as a.r:wm I�I 11 11 I ul I�iL L=nF Ir-- L 0? NOGG.PAPER ERER T III II I If II.aI]b I —o- If=lfI Ti OF POST PI AN ©DECK SECTION AT FOUNDATION O PATIO/PATIO ®PATIO/RNISHED GRADE 20 DECK DETAILS ®COMMON WALL FOOTING AT PATIO lob Re 15-03 T-ir!•-r-O SECTION 1-Ire--r-O' SECTION Shoo No C A...m.: ABUFRESD V