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MEANS OF EGRESS <br /> during periuds ihm ihc sp:icc is �xcupicd. Thc grillcs grcatcr Ihan onc unit ccttical in two units horimmal <br /> shall rcmain sccurcd in ihc full-opcn positinn Juring Uic (90-perccnt slopc). <br /> period nf occupancy by thc gencral public.W hcrc�wo or Exception:Thc dvcshold hcight shall be limi�ed l0 7J5 <br /> morc mcans of cgress arc rcquired, not ntorc than inchcs(197 mm)whcrc�hc occupancy is Gmup R-2 or <br /> onc•half of thc cxils or exi� ucccss Joorways shall bc R-3:�hc door is an cxlcrior door Ihat is no�a com�xmcnl <br /> cquipped with hnriznmal sliding or venicxl security o(the rcquircd mcans of egress;the door,other lh�n an <br /> �;rillcs. exlerio[ storm or scrcen da�r docs nM swing ovcr the <br /> I IION.i.4 F1�N�r elevation.Thete sh�ll be a flcxiror landing landing c,r step;and ihc dcxinvuy is nm on an accessiblc <br /> on r,icli sidc ol'a dnur.Such Ocxir or landing shall be at thc mute as rcyuircd by Chapter 11 and is not part o(an <br /> samc cicv+iiion on cach siiic��f ihc douc Landings shall Nc Accessiblc unit.Typc A imit or'fypc B unit. <br /> Ievcl cxcept for cx�crior IanJings, which :vc p�miiucd io ��g,�,7�rarrangement.Spacehetw�eentwodoorsina <br /> have a slope nni�u exceed 11.25 unil vertical in 12 unils hori- series shall be 4R inches (1219 mm) minimum plus lhe <br /> romal (2-perccro slopc). width of a d«�r swinging into thc spacc.llcx�rs in a series <br /> F,xccpliom: shall swing cithcr in the samc dircction or away fmm thc <br /> spacc bchvicen�hc d�rs. <br /> I, Donrs scrving individual dwcllinE uniLs in G�oups g%ce tlons: <br /> R-2 and R-3 whcrc�hc follnwing apply: P <br /> 1.1. A door is pemiiucd to open at ihc lop stcp 1. The minimum distance bciwcen horimntal sliding <br /> of:m intcrior Oighi af stairs,pmvided�hc p�µ'iT'�'fx������ors in a scrics shall bc48 inchcs <br /> door docs noi swing ovcr thc top slcp. (121)mm�. <br /> 1.2. Scrccn dcmrs and si„nn Juon arc pcmiii- 2• S�onn�nd scrcen doors sciving individual dwcll- <br /> ted to s�+�ing ovcr stairs or landings. ing units in Gmups R-2 and R-3 necd not be spaced <br /> 4R inchcs(1219 mm)fmm ihc othcr door. <br /> 2. I:s�cnur Joors as providcJ for in Scction I(X13.5, <br /> I:xception I,and Section 10�8.2,which aze not on 3. �emn u'ithin individual du�elling units in Gmups <br /> an:icccsxiblc routc. R-2 and R-3 oqicr than wi�hin Typc A dwelling <br /> unils. <br /> ' 3. In Gro�p R-1 nccupancics not rcquircd la bc <br /> Acccssib�eimits,7)�pcAuniisorTypeR�mi�s,the 11NIR.1.8Doornperetions,Exceptasspecifically�xmiitted <br /> I:mding:u ,m ex�crior doorway shall not be moro by Ihis section egress doors shall be rcadily openable fmm <br /> Ih;m 7J5 inchcs (197 mmj bclow thc top of thc thccgresssidcwithoutthcuscofakcyorspccialknowledgc <br /> direshold.providcdthcJnor.othcrthanancxtcrior oref(ort. <br /> tiionnurscrecndoor,dnesnulswingovertheland- �011$,l.R.l Hardwarc. Door handles, pulls, latches, <br /> ing. IncAs and otheroperating devices on dcx�rs requircd ro be <br /> 4. Vari;uions in cicv�uion duc io diffcrcnccs in finish accessibleby Chapicr I I shall no�'equiretight grasping, <br /> nuiicrialx.hut nnt morc than O.S inch(I 2.7 mm). tight pinching or twisting o(thc wrist to operatc. <br /> 5. lixtcrinr dccks,palios or h;ilconics thal:uc pan of 11NI8•1•R.2 Hardwam hciqhl. Door handlcs, pulls, <br /> Typc R dwclling units, have impervious surfaces latches, locks and other operating devices shall be <br /> and diai are noi more than 4 inchcs (102 mm) insialled 34 inches (86�i mm) minimum and 4R inches <br /> bclmv thc finishcJ tloor Icvcl of the adjacem imo- (1219 mm) maximum above the finished (lc�c Locks <br /> ' riur s :icc of the dwcllin+unit._ ,_,. ..,_.__� used only for scwri�y purposes and not uscd�o*normal <br /> r � ' '^� operation arc permittcd at any hcight. <br /> IIIIIN.I.S I,A11/I1f1�,C Al(IIMI'S. L:1I1(IIIIES SI78II I18VC 8 WIdIII 1 <br /> nollcsslh:mthewiddio(thestairwavorlhedoor.whichever / Exception:Accessdcwrsorgatesinbartierwallsand <br /> �isgremcr,Dii��nl`nlhcl'idlyiijnnpo`uons1i31Tnotrc�iicc:i� fcncespmtceting�ols,spasandhotmhsshallbeper- <br /> YCc}uircelilimension by more than 7 inches(17R mm).When mitted�o have operable pans of the relcase of latch on <br /> a landing scrves:m�xcup;mt load of 50 or morc.doors in sclGlatching devices at Sd inches(I370 mm)maxi- <br /> any posiiion shall not reduce ihe landing to Icss than mum ahovc the finished floor orgmund,provi4ed the <br /> one-half iK requircd width. 1 andings shall havc a lcngth sclGlatchingJevicesarenotalsoself-lockingdevices <br /> mcasurcJ in ihc dircciion of travel o(not lcss thnn 4J inches �perated by meanc of a key,electronic openeror ime- <br /> ����H������� gral comhination lock. <br /> Esception: LandinE Iength in the dircciion of tra��cl in 111f181.8.3 Iwrcks and latchcs.Locks and latches shall <br /> Grtwps R-i:md U and within individual units of Group �Ixnniued io prcvcnt uperation of dcx�rs where any of <br /> R-2 nced nnt cxceecl 36 inchcs(914 mml. thc following cxists: <br /> IIMIR.1.6 1'hrcsholds. Thresholds at doornays shall nol �• �'���ccs of dctcntion or resvaint. <br /> excecd 0.75 i ,ch(19J nun)in hcight fur sliding doors scn- 2. In buildings in on_upancy Gmup A having an <br /> ing dwclling ��niis or 0.5 inch �12.7 mm) (or othcr doors. occupantloadof?OOorless,GmupsB.F,MandS, <br /> Raised thresh�d.k and tloor Ievel changes grcatcr than 0.2$ and in places of rcligious worship,the main exte- 1 <br /> inch((.d mml:d doorn�ays sh;;1 be Mevcicd with a slope not rior door or doors are pertnitted to be equipped <br /> Z�� 20061NTERNATONAL BUILDINO CODE�j 'I y�1 <br /> I fJ <br /> � <br />