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. � � <br /> wesr <br /> Ca+sT <br /> STRUCIUK?t <br /> � F.NGINFFRRi � �tiC .. ____.__ .... <br /> _-__- ._'__ _' <br /> +M2�MuciRo ,�+ ....�v V MP MuAivvn.lUA9P�" �� i� �� �,I.K�.AYVtl fo. NitiiJn)65f10 E� .:e:nml�YdeoiKt vW/fJNh:oi 41�1 <br /> July 7, 2010 <br /> Berry Neon Slyn Systems <br /> 7400 Hardeson Road <br /> Evereq, WA 98203 <br /> AtlenUon� Ron Jacobs <br /> Subject: Meitzner Building Signs <br /> 11611 AirpoA Rd#B-1 <br /> Everett,WA 98204 <br /> WCSE Project No.W3084 <br /> Dear Ron: <br /> This lerier is in response lo field modifications to!he above referenced project tor the addition pf tenant <br /> s+gns added to the face of the existing building. The proposed sign locations wi�i be above and below the <br /> existing 2nd floor windows. Based on the supplied sketches and pidures,it is our understanding you woutd <br /> like eo fabricate two 8-inch square xY:°lhick steal plates that wN1 be separated by an HSS 2'x2'x3f16 z 0'- <br /> 2"located ai tNe center ot the plates. The back face of ihe mounting plate wiil be fastened to the existing <br /> buifding using(4) TogglerT"" BC 3!8"Snaptoggle WeavybutyToggle Bolts secured to the existing'r4' <br /> exterior plywood sheathirig.A detail of the proposed mounting plate and attachment to the building are <br /> attached (Sheet L1). <br /> Based on the manufactures posted technlcal specifications each BC 3!B`Snaptoggle has an Ultimete <br /> Shear capadty o(292 Ibs in K'drywa�l and an URimate Tensile capacky of 275 Ibs.Typicat secepCetl <br /> allowable vatues are Y.of the Uttimate loaci, meaning each bok has an aHowed capaaty of 73 Ibs and 69 <br /> ibs for shear and tensile fnrces respectiveiy. The proposed application is using 'h" plywood which should <br /> result in higher ultimate and atlowable ioads. <br /> The mounting piates wi:l weigh approximatety 20 Ihs a pieoe and with a maximum sign thickness ot 12 <br /> inches, each brackot can resolve an additional vertieal doWnward force of BO lhs with design controlled by <br /> the prying force of fhe sgn eNaet.Assumirrg a conservetive 20 psf sucti�n wind force,a typical bracket <br /> can resorve approximately 14.5 square feet of signage, equating to roughly a 30"deep by 70"wide sipn. <br /> Mu�tiple brackets may be used to resolve the weight or sail area of signs exceeding these 4imks <br /> A minimum of two moun5ng bratkets should be used for each sign attachment for stability purposes. <br /> Mounting brackets should be spac�d a minimum of 48-inches apart, antl combined can aupport a sign <br /> cabinet witn an overall weight of 160 Ibs and a face area of 29 square feet. <br /> If you have any further questions please ecntact ou�offic2. �lvl« <br /> Thank ou, ���c�"`1�, <br /> Y ��4 „e u�.s,,,,� G . <br /> S <br /> .�-!��� _. tU « 'i <br /> Jeremy McCand�ess. PE " � <br /> Wesl Coast Structuret Engineering Inc. �' a <br /> 4�_5) '�,� <br /> � 9�i�ni�ae� 'S <br /> 1 <br /> ���L<%� <br />