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\ \i <br /> 1 1 , t \ /, <br /> i <br /> LONGITUDE <br /> N E, -TWENTY' <br /> ENGINEERING&DESIGN <br /> CONSTRUCTION SUPPORT SERVICES <br /> Date: 3rd day of March, 2018 <br /> Project Name: Layton Residence Remodel Project Number: S180329 <br /> Project Location: 1101 E Marine View Drive, Everett, WA 98201 <br /> Client's Name: Donald Layton (owner) <br /> Client's Address: 1101 E Marine View Drive, Everett,WA 98201 <br /> To whom it may concern, <br /> We were informed of a condition where the contractor had cut 5"out of an existing full span 4x10 beam the 3'-6"opening into the kitchen,to <br /> provide additional clearance for a new door.Although we do not recommend for headers or beams to be cut in their existing location/state, <br /> given the situation we asked for some pictures to demonstrate the current purpose of the beam and for us to determine the loading demand <br /> on the affected member to investigate if the current condition could be altered and/or justified as adequate structurally,following our review <br /> and conclusion. <br /> Based on our visual observation of the pictures we received it appears that the beam is supporting(1)2x8 roof brace in the attic and has full <br /> spanning ledgers on each side,nailed to the cut beam towards the top,supporting ceiling joists on both sides of the beam where full span <br /> ledgers are connected to the top of the beam. <br /> Based on our review and knowledge of the ledgers being present,and to be full spanning across the opening our objective is to analyze the(2) <br /> 2x6(or 2x4)ledgers across the 42"opening and determine if adequate to support the ceiling loads of 10 psf(assumed)and a tributary loading <br /> of up to 15'in total.Additionally,we would require the roof loading to not impact the compromised beam. <br /> Findings: <br /> - The 2x8 support brace will need to be removed off the beam,and instead install(2)new 2x8 braces diagonally oriented to provide a <br /> stable connection and bring those down to the support(to foundation—verify for proper load-path)on each side in a way that the <br /> beam is not loaded by the current brace,but the roof is now rather supported through the new(2)braces in lieu of the original <br /> single brace.Assure that each brace is connected with at least(6)0.148 x 3.25 nails,at the top and bottom support. <br /> - Per the attached calculations the ledger(s)are sufficient in strength to support the existing ceiling framing(assuming 10 psf)as long <br /> as we are not exceeding 15'in tributary loading,which does not appear to be the case based on pictures.However,assure to <br /> connect the ledgers back to the existing beam with 0.131 x 3"nails @ 6"o.c,staggered,to assure that the connections are braced in <br /> their week axis,against the existing/cut beam. <br /> - The existing beam is assumed to still have approximately 4-5"left in depth and based on the considerations and requirements it <br /> appear that it will be sufficient with the altered loading,and the ledgers on each side as mentioned. <br /> - Please let us know if something with this repair is not feasible,or if the site condition contradicts these assessments and we will <br /> provide additional input/repairs. <br /> Sincerely, <br /> Mans R.Thurfjell,P.E n // / <br /> L120 Engineering&Design(L120) O/ vvv <br /> m L - <br />