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<br /> FIRE-RESIS�'ANT CONS`fF2UCTl0�l (IFZC, SECTION R302) � - - m
<br /> 1. Table R302.1 JR302.1 Exterinr walls. Construc�inn, projeciions, �
<br /> openings and penetrations of ext. walls of dwellings � � i
<br /> Exceptions:Wails, projections, openings or penetrations in N�alls � p �
<br /> perpendicular to the lin� used to determine the fire sep�ratinn distance. - °
<br /> � X �-
<br /> 2. R30�.3 Two-family dwe(lings. � �r a
<br /> Dwelling units in two-family duvellir�gs shall be �eparated from e�ch other r �
<br /> .--, v
<br /> by wall anci/or floor assembli�s having not less than a 1-hour fir�:- W� � >�- . � � o
<br /> resistance rating when tested in accordance with ASTM E �'19 nr UL 263.
<br /> Fire-r�sistance r�ted floor/clg. and wall assemblies shall extend to �nd be � �i _ � �Ot�S: o
<br /> tight against th�exferior wall, �nd wall assemblies shall e�ctend frnm the �, m � ,;� - All wood exposed to weather to be z
<br /> faundation to th2 under�ide of the roof sheathing. t�v _ pressure treated or cedar.
<br /> �xceptions: � � �� So - Refer to Elevations for plate heights, �
<br /> �JVall assemblies need not exfend through attic spaces when the ceiling is � o � ' `� � - 2x6 EXT stud walls C� 16" oc, �
<br /> protected by not I�ss than 5/8-in. 7yp�X GWB and an attic drafit stop `T' ° `: - R-21 in wall insul batts w/V8.
<br /> constructed as specified in Section R302.�2.1 is prnvicied �bove and along �;--�-�� � W� _� - 2x4 INT stud walls C� 16" oc. �-
<br /> the wall ass�mbly separating the dwellings. The strucfural fr�ming supporting 4' �,�, 4x10Df2 �' - Beams and headers to be 4x10 Hf2 u,n,o
<br /> the ceilit�g shail also be protected by r�of less�han �/2-inch GW�3 or ' ' �_ � �`�� `-
<br /> �; �O --- =_�_� �__` .--�'-- - Fireblock all plumbing penetrations, �
<br /> �-���--�- - - - -; " - Provided solid blk'g over beams/brg, walls, �
<br /> equivalent. � - _ ��: ,_.i
<br /> 3. R302.4.1 Through p�netrations. _ _�� �- � -All hangers to be SIMPSON or equal. �
<br /> � - Dbl. studs to be laminated toyether w/
<br /> Through penetrations of fire-resistance-rated w�ll or floor assemblies �hall LSTA24 �� — 16d 2 ea end & 12" oc staggered.
<br /> comply with Sectio� R302.4.1.1 or R302.4.1.2 2-FJ I � ' - � � :� �N� �
<br /> 4. R302.4.1.2 pen�tration fire�top system. ��,E °�°-��--�-�� � � � �
<br /> Penetratinns shall be protected by an approved penstration firestop system p`� ,� ` -� .— P o � �
<br /> ins#alled as te�ted in accordarice�r�ith ASTM E 814 or UL 1479, with a min. OF � � tie SW to framin OR � � �
<br /> ;:
<br /> pnsitive pressure dififerential of 0.01 inch af uvater(3 F'�}and sh�ll have an F oc ing. ypica - - - - - - � � (,�
<br /> DTT2z
<br /> rating of not less than the required fire-resistance ratir�g of the w�ll or fl�or/ �_�__ ,., ,, „ , � � � � a � �
<br /> :
<br /> ceiling assembly penetrated. � o o � �
<br /> 5. R302.11 Fireblocking shal! be provid�d in w�od-frame construction in �,� � ,'t`��� �
<br /> concealed space� of stud +�alls and partitions, including furred spaces and � W� �,��v o5�e� : �
<br /> parall�l rows ofi studs or staggered studs, as follows:Ver�ically at the ceiling � � �Jst. �Ik'g GP
<br /> and fl�or levels. and Horizontally �t Interval� not exceetiing 10ff. � _s�_.� —
<br /> � - W2 S°
<br /> At all interconnections between cdncealed v�rtical and horizantal spaces such �
<br /> as occur at�offits, drnp ceilings and cove ceiling�.At opening� arn�and vents, ,�
<br /> pipes, d�cfi, cables and wires at ceiling and floor I�vel, with an approved material l�16X� � 14" Pre-En Floor Truss�s 16° oc N � p
<br /> to resist fhe free passage of flame anci products of combusti�r�. Th� m�terial filling �
<br /> �
<br /> thi� annular space �hall not be required to meef the ASTM E 136 requirements. Q,�r�� �� � _ � � �
<br /> Fireblocking of cornices of a two-f�rnily dwelling i� required �t the line of OF'� �..�,� ;. y � �1 FLOOR/CLG EKTERIOR WALL SHT'� �
<br /> dwellin� unit sep�ration. � �� T�4 = � - INiPECTION required prior to pap�ring � �
<br /> � � or siding o �
<br /> � � °� - S{�eat'g edges and end joint� mu�t b� z � ,�,,,;
<br /> � ���,Tq�4 blocked nr occur over horiz/verfi. framing o -�-'
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<br /> DATE:
<br /> 12/16/2Q16
<br /> SCALE:
<br /> SHEET:
<br /> hese plan� MAY NOT �� reproduced without specifiic �
<br /> �
<br /> permission of �SG Residenti�l De�ign, Marysville, WA
<br /> �_i rr__._
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