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bv�h�v�}}s at�a�h��ma1 sx.�rn�r,�u11 stv�h�ight,at a 4S sl�gr+�angl�,nsing ei�r a <br /> let-in 1 by 4 or 2 by 4 blocking or metal diagonal bracing. Omit bracing where following types of <br /> she�thing axe indicatesi, <br /> 1. P��wvs�sh�at�'tng or sx�rn�r bra�ing,4f��=wis�pan�ls vErti��}�y. <br /> 3.6 FLO�It JOI�T'FRAI►�i� <br /> A. General: Install floor joists with crown edge up and support ends of each member with not less <br /> �an 1=1/2 in�hEs s��b�aring nn�vs�nr m�tal,rar 3 in�h�s Qn masQnry. Atta�h€ts�r joists�.s fs>I}s�vrs: <br /> 1. To wood bearing members by toe nailing or metal framing anchors. <br /> 2. To vfrood suggorting m�ml�rs�vith�ledg�rs�s shs��vn,vr i�ns�t shQ�vn,v�itfi <br /> metal joist hangers. <br /> 3. To St��as shown�a dravrings. <br /> B. Frame openings with headers and trimmers supported by metal joist hangers;double headers and <br /> �rimm�rs v�h�r�span Qf header exc�d�4 f�t, <br /> C. Do not notch in middle third of joists; limit notches to 1/6-depth of joist, 1/3 at ends. Do not <br /> �r+e ht�l�s}�r than 1l3�iepth Q€jnis�pr ln�at��1Qs�r th�n 2 i�h�s frnm tvp nr bs�tts�m. �sta.��sc�li� <br /> bh�k-ing(2 in�h�s ti�i�k b�tiept3�p�jois�)�t�nds of joists unles�nailed ts>h�sier vr bearing m�mb�r. <br /> D. Lap members framing from opposite sides of beams,girders or partitions not less than 4 inches <br /> �r s�►�relq tiE Qppnsiag trt�tnbers t�gether. �stak}ss�1i�block�g�2 in�l�s t�ick by-si�pth n€jvis�)ov�r <br /> suggQrts, <br /> E. Under jamb studs at openings, install solid blocking between joist. <br /> �. IJn�r rrarnls�a�=t�aring par�i�iv�s, insta#1�uble jQis�separat�si bq so�id blsxking�qt�tn <br /> sieptfi Qf stusis abo�, <br /> G. Install bridging of type indicated below between joists where nominal depth to-thickness ratio <br /> �xceeds b,at int�rvals of$feet. <br /> 1. Diagonal wood bridging formed from bevel cut nominal 1-inch by 4inch lumber, <br /> doubl��rossed and nailed l�t�sns�s tv joists. <br /> H. Ceiling Joists: Install ceiling joists with crown up and to comply with requirements specified <br /> �1��+E fvr fls�r jvists. Fas�nai�tv�nsis o€paraHE}ra�rs. <br /> 1. Where principal ceiling joists are at right angles to rafters,frame as indicated with <br /> addi�nal short joist�frQm tWall plate tfl f�rst joist;nail to ends Q€raftErs and tv <br /> top plate and nail to long joists or anchor with framing anchors or metal straps. Install 1 <br /> bq�Qr 2 b}�4 stritig�rs spa�si 4 f�o.�.crs�sswise over prin�ipa}s�i}ing j4ists. <br /> I. Rafters: Notch to fit exterior wall plates and toe nail or use special metal framing anchors. <br /> I?Qubls ra�rs tv fvrnn hea�rs ans�tsimm�rs at 4p�nings in rs�€framing(i€�.n�),aasi supgo��witfi met�l <br /> hangers. Where rafters abut at ridge,place directly opposite each other and nail to ridge member or use <br /> mEt�.�ricige ha�g�rs. <br /> 1. At valleys,install valley rafter of size shown,or if not shown,twice the thickness of <br /> r�gular ra�rs ansi 2 in�h�s�p�r. �e�el�ns�s�f ja�k raftErs fnr full b�aring�gains� <br /> Fag��p� k� <br />