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heatersorfloorfurnacesshallhavesuchunitsremovedandreplacedwitha <br />propercentralheatingsystem. <br />Allmechanicalworkshallbeinspectedandapprovedbythe/z·äx­local <br />mechanicalinspectorand/orthebuildinginspectiondepartmentorbyaperson <br />knowledgeableinmechanical!heatingsystems. <br />6.LIGHTINGOFPUBLICHALLSANDSTAIRWAYS <br />a.Publichallsandstairwaysineverydwellingcontainingtwo(2)tofour(4) <br />dwellingunits,shallbeprovidedwithconvenientwallmountedlight <br />switchescontrollinganadequatelightingsystemthatwillprovideat <br />leastfive(5)footcandlesofilluminationonallpartsthereof,andwhich <br />maybeturnedonwhenneeded.Anemergencycircuitisnotrequired <br />forthislighting. <br />b.Publichallandstairwaysineverydwellingcontainingfive(5)ormore <br />dwellingunitsshallbelightedatalltimeswithanartificiallighting <br />system.Saidsystemshallprovideatleast5footcandlesofillumination <br />onallpartsthereofatalltimesbymeansofproperlylocatedelectric <br />lightfixtures,provided,thatsuchartificiallightingmaybeomittedfrom <br />sunrisetosunsetwhereanadequateamountofnaturallightis <br />provided.Whenevertheoccupancyofthebuildingexceeds100 <br />persons,theartificiallightingsystemasrequiredherein,shallbeonan <br />emergencycircuit. <br />c.Therequiredintensityofilluminationshallapplytobothnaturaland <br />artificiallighting. <br />7.SCREENSREQUIRED Everywindowopeningtooutdoorspace,whichisusedor <br />intendedtobeusedforventilation,shallbesuppliedwithscreenscoveringallof <br />thewindowareasrequiredforventilation.Thematerialusedforallsuchscreens <br />shallbenotlessthan16meshperinchandshallbeproperlyinstalled, <br />maintainedandrepairedtopreventtheentranceofflies,mosquitoesorother <br />insects. <br />Halfscreensonwindowsmaybeallowed,provided,theyareproperlyinstalled <br />andarebugandinsecttight. <br />8.SUPPLIEDHEATINGTODWELLINGSORPARTSTHEREOF Everyowneror <br />operatorofanydwellingwhorents,leases,orletsforhumanhabitation,any <br />dwellingunitcontainedwithinsuchdwelling,ontermseitherexpressedor <br />implied,tosupplyorfurnishheattotheoccupantsthereof,shallmaintain <br />thereinaminimumtemperatureof70degreesF.(21degreesC.)atadistance3 <br />feetabovetheflooratalltimeswhentheoutdoortemperatureisatorbelow0 <br />degreesF. <br />13 | Harris County Minimum Property Standards, June 2011 <br /> <br />