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i <br />TABIE 7•A <br />� � 1M7 UMFORM BUIIOMti CODE <br />TABLE 7•A-MINIMUM PROTECTION OF STAUCTURAL PARTS BASED ON TIME PERIODS <br />FOR VARIOUS NONCOMBUSTIBLE INSUTATIN6 MATERIALS� <br />�.�,� (�52 mm by I51 mm) o� <br />...�,._�. 1 <br />�ighi nggrcgaie rnncte�e, mcmizrs 6' by 6' <br />including sa�slone. gr.�nile ond silittous 24= <br />�i6M �gq�cgate m�rctNe. members 8' by !' <br />1�1.2 (i0J mm by 203 mm) ot g�ealer (nd including sandaaie. Branile ond tilictous 2 <br />grcvcl).� <br />Culwnmc, IigMwcight and sanJ�lighlwdghl ay,�mgn�e concrtm, membcrs 12' by <br />�•I.J 12' (30S mm by JOS mm) or g�cala (�ro1 including unJNonc, granile and siliaous I�/_ <br />gnvel).� <br />Silittous aggrcgale conaele and concrele tacluded in hem I-1.1. membcrs 6' by 6' � <br />I•I.0 ��52mmby152mmlorgiea�er.� <br />Siliceous ag6rtgNe conc�Ne �nd concrcle eadudcd in Ilcm 1-1.1. tncmbers 8` by 8' 2��= <br />I-LS �Zp} mm by 207 mm) or g¢aia.� <br />Silittous a66rtRele concrtle �nd conacle cxcluded in Ilcm 1•1.1, membus 12' by Z <br />�'��6 �2"(305mmby)OSmm)orgRNer.� <br />1•2.1 Clay nt shale brick wi�h brick ud mmtat fill. 3�� <br />4' p02 mm) Mllaw cliy �ile in �wo 7' (S I mm) layen; 4{ (12.7 mm) mnnv be�wccn <br />I-J.I Iilc nnd column: �/a (9.5 mm) melal mesh I0.006' (�.2 mm) wire diemeler� in � <br />Irori:onlal joinls; lik fill.� <br />Y(51 mm) hollow clay tilc: �/i ( I9 mm) monu belwecn lik and mlumn: /j (9.5 <br />I•J.2 mm) meul mesh I0.066' (1.2 mm) wirc diamelcr� in horizanW joinis: limestone J <br />conca�e fill;� pinstcmd wi�h �/j (19 mm) gypsum plmler. <br />2' (SI mm) hollow clay lile w•ith outside wi¢ tiu �O.OA" (2 mm) Jinmcicrj tl exh <br />course of �ilc or �l� 19.5 mm) mnsl mcnh �0.046' (1.2 mm) diameler wirt� in <br />�'�•3 harizontal join�s; IimcstoM or im�'ock concrtle fill� ulcnJing I" (25 mm) out�ide <br />column on all sidcs. <br />2' (51 mm) hollnw clay lile with omsiAe x•irt lies �O.OR' Q mm; dieme�er� a1 cach <br />I-J.4 tourse of Iilc ailh or wilhoul roncrtle fill: �/�" U9 mm) nronar (+clwcea �dc and <br />column. <br />I. Slccl columns Canem plaslcr orer mcul I�ih wirc licd �o �%" U9 mm) colJ�mlkJ vottical ch.nnels <br />Id.l wi�h0.049infi11.24mm11No.IRB.W.R�(tqwirz�iessp�ccd)'�o6"(76mmiol52 <br />memben of mm) on crnmc Plas�cr mixcJ 12�1: by volume, ccmcnl lo sand. <br />primary Itusus Vcrmiculile concrcle, 1:4 miz by volume ovcr paperbncked wim fabric lalh wrapped <br />dirtctly azounJ column with adJi�ional2' by 2' �.51 mm Ay 51 mm� 0.065 inch/O.ORS <br />� 5 � inch � 1.65 mm11.65 mm) (No. Idl6 P.W. gcg<) w•irc fabric plaad /�' (19 mm) fmm Z <br />oulcr concrcle mr6cc. Wirc f�bric licd wilh O.M9 inch ( I.2< mm) (No. 18 B.W. gage) <br />wim sp�ced 6' (152 mm) on ccnkr fitt inner laycr and T(51 mm) on anlcr fnr oWer <br />loyer. <br />Pcdile nr vttmiwliie gypsum plasier orcr meld lalh wrapped uounJ column ond <br />furtcd 1 b�' (J2 mm) (ram column Ilan{a.5htets lapped al ends anJ iieJ a16' QSi � �� <br />�'6'� mm) imervals wilh 0.049 inch (111 mm) (No. 18 fl.W.64e) lie wire. Yl�uer pushcd 3 <br />�hruugh lo Ilangu. <br />Pcdilc or vcrmiculile gypsum p�esler ovtt sdFfurring melal lath wrap�rJ Ji�cclly <br />I•6.2 around colmnn. IappcJ I"(25 mm) and tied a16' (152 mm) iNcrvals wilh 0.049 inch I�/� <br />( I.24 mm� �Nu. 18 0. W. gage) wire. <br />Pcdite nr vamiculitc gypsum pluler on meul I�Ih applied to Q" (19 mm) rnld�rollcd <br />I�6.3 chan�ls spnccJ 24 ind¢s (610 mm) apon venicolly �nd wrappcJ Ilalwise arounJ I�/_ <br />colunm. <br />Pedile or �•crmiculile gypwm plasler ovcr Iwu layers of �/{ (12.7 mm) plain <br />full�lcng�h gypsum Imh applied IigM �o column Oangcs. lath wra�rymd with 1" (25./ <br />mm) hoxaganai mc!h of No. 20 g�qe wi¢ amllicd wilh Joubicd 0.0)5 inch diomelcr Z�� <br />I•6.4 �O.R9 mm) �No. IA R.W. g�ge) wirt lies spattd 27' (584 mm) on ttnlcc For Ihrce-coat = <br />work Ihc platicr mix for Ihe second cnal shali nol attcJ 100 �rounds (45.4 kg) of <br />gYpsum l0 24= cuM1ic fccl (0.07 m�) of nggrtgelc fnr Ihc Ihrec-hour syslem. <br />{'cdile or rcrtniculile gypsum plastcr over one laycr of �/j (12.7 mml piain <br />full�lcnglh gypsum I�Ih applicd lighl lo rnlumn Ilangw. Laih IicJ wilh doubkA 0.049 <br />I-6.5 �nch (1.24 mm) (No. IR 6.W. gage) wim Iies spaceJ 23' (584 mm) on cenler nnd <br />scnlch coal w�rap� d wilh Y RS mm) hexagnnal mesh 0.0J5 inch (O.R9 mm) (No. 20 <br />IS.W. gage) wirc faAric. For threccoal work, lhe plasler mix for Ihe second coal shall <br />not ezcced 100 �rounUs (45.4 kg) of gy{num l0 2�l= cubic feci (0.07 m') of aRgregate. <br />Muiliple laycrs of /_' (12.7 mm) gypsum walllroard adh<sively sccurod lo column <br />Oanges and successive layers. Wnllbnard opplicJ wilhoul horizonlal jainls. Comer <br />I4,1 edges o( each layer stoQ,gertd WeIIMarJ layer below aWer layer secumd �o mimm� <br />wilh JoublcA O.M9 inch (1.24 mm) (No. 18 H.W. gage) sieel wim �irs spacal IS' (781 <br />mm) on cemec Gx{roseJ comers Iaped onJ Irealed. _ <br />7-76 <br />(Cnn�im¢A1 <br />x m� �er wn <br />IN. 7H�. 1N <br />2 14= I <br />14y I I <br />I I I <br />� <br />� <br />� <br />� <br />� <br />e <br />3 <br />� <br />� <br />e <br />2 <br />2��1= � ��e <br />1 <br />I�/e I <br />2 <br />2 <br />2 1 <br />5�5 <br />