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March 13.2O12
Eric Thi
ThueuenCusiom Humeo
18333'86th P|amaVV
Edmonds, WA 08020
(425) 772-9401
Subject: Gan,.'ige Roof Modification at 509 9th Ave N, Edirionds WA 98020
As requested | have reviewed the akuaUonwhere you hav(-.1 to modify your existing roof hnsaez to
reduuethe height ofthe, njof,The depth ofroof allowed ia13^ There ianopoint inmodifyingtrusses
tocarry the loads with that depth. | am proposing akuoiu/o| members to bmaistemd bzthe exiodng
trusoeabefore ouKinAthe tops ofthe trusses off,
Thc.,, end jack rafters can be replaced with rninhiii im M's or 2x1 2's ripped to slop(.,, sistered to the
existing 2x4jackkuaaem,Nui|bziackawith O.131x3"noi|eet12^oc,or%^:3SDS screws u124"o.c.
An A,34 to be added at jac.k to girder truss willi either 1.5" nails or Simf)son SD9112 SCroWS,
The two hip girders can be replaced by a 3.125xI 2 and 5.125 GLB's, 3125 GLB (.,an either rest on the
twiohnQ beam bl on aMouhed sketch, orhang hum beam with HUC210-2 Hanger% Girderbuou to be
fastened to beamr, with cither 1.,1/4x3 SDS screw or 2-0.131 x3 nails oi i ooch side of each jack (2
screws or nmi|s/jaok)nnd nai|eat 12"ox orH^x3SDS screws oL24^u.c. in any webbing or, top
chorda remaining.
The cummontrusses can benapooedwith 1.75x11 708LVL'u.'They are iobenailed iothe exisUnQ
truss with 0.131 x3 nails at 12" o,c. in all truss rnernlbers reru,'.iininq
5/8Plywood or V?." sheathing with hnoa d|pa as nscon monded byroofer, and standard flat roofing
systern will go over the nem mornbers after the trusses lirve becrl cut off above the, new training
members.
Engineering and sketches are attached to support these findingo� If you have any further questions or
| can beofany fudheraaaiskynooplease call meat, the above numbor,
Rick Heida. RE,
PemNeni
Attachments
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