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_ _ ___. _..._._.. ._�.---. <br /> ��. <br /> ;;:�. <br /> * <br /> TYPES OF CONSTRUCTION <br /> '� <br /> 13.1.2 Piping. The use of combustible piping materials <br /> all be permitted when installed in accordance with the <br /> nitations of the Intern.ational Mechanical Code and the <br /> ternational Plumbing Code. h=� <br /> �3.1.3 Electrical. The use of electrical wiring methods �. <br /> th combustible insulation, tubing, raceways and related <br /> mponents shall be permitted when installed in accor- <br /> nce with the limitations of the ICC Electrical Code. <br /> ;,,n <br /> TABLE 601 � <br /> FIRE-RESISTANCE RATING REQUIREMENTS FOR BUILDING ELEMENTS(hours) �r <br /> i <br /> ' TYPE I TYPE II TYPE III TYPE IV TYPE V <br /> � <br /> BUILDING ELEMENT A B A• B � A' B HT A° B I 2� <br /> i w" <br /> tural framee 'ie 2e 1 0 1 0 HT 1 0 � ;� <br /> ng walis : <br /> terior� � 3 2 I 1 � 0 � 2 2 2 1 � 0 .� <br /> zrior j 3h I 2n i 1 � 0 1 0 1/HT 1 � 0� <br /> ��:__'i'`_Y;' <br /> �earing walls and partitions ; <br /> terior See Table 602 "',� <br /> �earing walls and partitions 0 0 0 I 0 � 0 0 See Section 602.4,6 0 0 � ''� <br /> eriorf <br /> construction ( i ���� <br /> �luding supporting beams and joists Z � � � � 1 ; 0 � HT 1 0 �`' <br /> :`;st <br /> i <br /> consuuction 1��z� �e,d Ic.a �� Ic.d � �a HT I l�,a � � <br /> Iuding supporting beams and joists �a <br /> 1 foot=304.8 mm. <br /> structural frame shail be considered to be the columns and the girders,beams,trusses and spandrels having direct connections to che columns and bracing <br /> ibers designed to carry gravity loads.The members of floor or roof panels which have no connection to the columns shall be considered secondary members 'i <br /> not a part of the structural frune. <br /> f supports:Fire-resistance ratings of strucmrai frame and bearing walls are permitted to be reduced by 1 hour where supporting a roof only. � <br /> ; t in Grou F-1,H,M and S-1 occu ancies,fire rotection of structural members shall not be re uired,includin " <br /> P P P P q g procection of roof franiing and decking � <br /> re every part of the roof consuvction is 20 feet or more above any floor immediately below.Fire-retardant-treated wood members shall be allowed to be used �' <br /> uch unprotected members. <br /> 1 occupancies,heavy timber s6a11 be allowed where a i-hour or less fire-resistance rating is required. x;` <br /> pproved automatic sprinkler system in acwrdance with Section 903.3.1.1 shall be allowed to be substituted for 1-hour fire-resistance-rated construction,pro- <br /> �:� <br /> d such system is not otherwise required by other provisions of the code or uszd for an allowabie area increase in accordance with Sectio�506.3 or an allowable �' <br /> 6t increase in accordance with Section 504.2.The 1-hour substitudon for the fire resistance of exterior walls shall not be pennitted. ��t <br /> less than the fire-resistance rating required by other secdons of this code. �: <br /> tess than the fire-resistance rating based on fire sepazation distance(see Tahie 602). <br /> .....:;.�F, <br /> �� <br /> ,v�. <br /> t <br /> ,a <br /> ;i� <br /> ",:'�t; <br /> � <br /> ,�S <br /> ;:�' <br /> . . . .,r��.. <br /> t�i <br /> .ri?+ <br /> �� <br /> � <br /> JTERNATIONAL BUILDING CODE� g� ;;� <br /> ,� <br /> �i'; <br />