Applying the Life Cycle Analysis in the Construction of Social Housing in Cameroon: The Case of Single-Store Houses at the Sic Residential Area in Olembe (Yaounde)

T h is study proposesananalysisa pp r o acho fthe life-cycle of twot y p eso f social housing of “ T 4single-storeyhouses ” .T h isistod eterminew h ichph aseo fthelife-cyclecallsf o rspecialattentioninthe processo freducingt h eimpacto fthissector ontheenvironment.I no r d ertosuccessfully carry outthis task,w ef irstcarriedou tageneralreview of theL C A asad ecision-makingguidingt oo l .T h en,w e alludedt osocialh ousingp r o jectsinCameroonastheimplementationf rameworko f ourguidingt oo l . Finally,a f terupd atingthed atabase ofsomecomponentso f thebu ildingsector,w ep roceededtothe implementationo nourtwosamples.Resultsob tainedh ighlighttheimportanceo ftheexploitation phase.More interestingly,considering allt welveenvironmentalimpactindicatorstakenintoaccount, theu tilizationph asethati n volvesexploitationandm aintenanceism o rep redominant,causing8 2t o86 %o fthetotalimpact,f o llowedb ytheconstructionphasew ith1 3to 18%,andt h enb ythed emolition phase with0 .01to 1%.A sconcernstheeconomicaspect,the utilizationphase remainsthemost preoccupying.Itrepresentsatleast65 %o ftheo verallcosto fthelifec ycle,f o llowedb ythe construction   ph ase   and   demolition   phase.