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e.Allhandrailsshallbenotlessthan <br /> |verticallyabovethenoseofthe <br />stairtreadsandnotlessthan <br />|abovethestairwayplatform; <br />f.Allbalconiesandplatforms,whichare <br /> |ormoreabovegrade,shall <br />haveaprotectiverailingnotlessthan <br />|inheightabovethebalconyor <br />platformlevel; <br />g.Allmultipledwellings,oneandtwofamilyresidencesexempted,shall <br />haveasecondexitstairwayorapprovedfireescapeavailabletoall <br />occupantsfromthesecondfloorandaboveofallsuchstructures; <br />h.Allstairsandstepsshallhaveariseheightofnotmorethan|andatread <br />widthofnotlessthan|uThisrequirementmaybewaivedbyHarris <br />CountyCSDifinanexistingstructureitwouldbeimpossibleorcost <br />prohibitivetomeetthisrequirement.Insuchcases,newstairscouldbe <br />installedwhichhavethesameriseandrunastheold. <br />10.SMOKEDETECTORS AllresidentialstructuresshallhaveU.L.approved{w©7 <br />Þz©;7|smokedetectorsorbatteryoperatedsmokedetectors,properlyinstalled <br />andlocatednearbedroomsandsleepingareas.Allsmokedetectorsshallbe <br />operable. <br />c.MinimumStandardsforLight,Ventilation,andHeating <br />1.REQUIREDWINDOWAREA Everyhabitableroom,providedsuchroomsare <br />adequatelylighted,shallhaveatleastone(1)openairspace.Theminimum <br />totalwindowarea,measuredbetweenstops,foreveryhabitableroomshallbe <br />asfollows: <br />a.1/12ofthefloorareaiftwoormoreseparatewindowsexist,or; <br />b.1/10ofthefloorareaifonlyonewindowexists; <br />c.Aminimumof12squarefeetofwindowareaisrequiredinhabitable <br />roomsotherthankitchens; <br />d.Akitchenmaypasswithoutawindowarea,provided,thereisa <br />mechanicalmeansofventilationwhichismaintainedinworkingorder. <br />Whenevertheonlywindowinaroomisaskylighttypewindowatthetopofthe <br />room,thetotalwindowareaofsuchskylightshallbeequaltoatleast15%of <br />thetotalfloorareaofsuchroom.Skylighttypewindows,iflessthan15%ofthe <br />totalfloorarea,shallbeincreasedto15%ofthetotalfloorareaunlessanother <br />windowistobeinstalledwhichwillprovideadequatelightandventilation. <br />2.ADEQUATEVENTILATIONREQUIRED Everyhabitableroomshallhaveatleast <br />onewindoworskylightwhichcaneasilybeopened,orothersuchdeviceaswill <br />adequatelyventilatetheroom. <br />10 | Harris County Minimum Property Standards, June 2011 <br /> <br />