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Chapter 11.0 Locating Detectors and Escape Plan

11.0 Locating Detectors and Escape Plan

LocatingDetectorsandEscapePlan

Thefollowinginformationisforgeneralguidanceonlyanditisrecommendedthatlocalfirecodes

andregulationsbeconsultedwhenlocatingandinstallingsmokeandCOalarms.

11.1 Smoke Detectors

Researchhasshownthatallhostilefiresinhomesgeneratesmoketoagreaterorlesserextent.

Experimentswithtypicalfiresinhomesindicatethatdetectablequantitiesofsmokeprecededetect-

ablelevelsofheatinmostcases.Forthesereasons,smokealarmsshouldbeinstalledoutsideof

eachsleepingareaandoneachstoreyofthehome.

Thefollowinginformationisforgeneralguidanceonlyanditisrecommendedthatlocalfirecodes

andregulationsbeconsultedwhenlocatingandinstallingsmokealarms.

Itisrecommendedthatadditionalsmokealarmsbeyondthoserequiredforminimumprotectionbe

installed.Additionalareasthatshouldbeprotectedinclude:thebasement;bedrooms,especially

wheresmokerssleep;diningrooms;furnaceandutilityrooms;andanyhallwaysnotprotectedby

therequiredunits.Onsmoothceilings,detectorsmaybespaced9.1m(30feet)apartasaguide.

Otherspacingmayberequireddependingonceilingheight,airmovement,thepresenceofjoists,

uninsulatedceilings,etc.ConsultNationalFireAlarmCodeNFPA72,CAN/ULC-S553-02orother

appropriatenationalstandardsforinstallationrecommendations.

l Donotlocatesmokedetectorsatthetopofpeakedorgabledceilings;thedeadairspacein

theselocationsmaypreventtheunitfromdetectingsmoke.

l Avoidareaswithturbulentairflow,suchasneardoors,fansorwindows.Rapidairmove-

mentaroundthedetectormaypreventsmokefromenteringtheunit.

l Donotlocatedetectorsinareasofhighhumidity.

l Donotlocatedetectorsinareaswherethetemperaturerisesabove38ºC(100ºF)orfalls

below5ºC(41ºF).

l SmokedetectorsshouldalwaysbeinstalledinUSAinaccordancewithChapter11of

NFPA72,theNationalFireAlarmCode:11.5.1.1.

Whererequiredbyapplicablelaws,codes,orstandardsforaspecifictypeofoccupancy,approved

single-andmultiple-stationsmokealarmsshallbeinstalledasfollows:

1. Inallsleepingroomsandguestrooms.

2. Outsideofeachseparatedwellingunitsleepingarea,within6.4m(21ft)ofanydoortoa

sleepingroom,thedistancemeasuredalongapathoftravel.

3. Oneverylevelofadwellingunit,includingbasements.

4. Oneverylevelofaresidentialboardandcareoccupancy(smallfacility),includingbasements

andexcludingcrawlspacesandunfinishedattics.

5. Inthelivingarea(s)ofaguestsuite.

6. Inthelivingarea(s)ofaresidentialboardandcareoccupancy(smallfacility).

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