BOOKS OF RtfiDIfGS - PAHO/WHO

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RM.VELLE
EL AL.
of facilities and thieir locations. A facility sitc tilat is eligible to cover
a number of denlan¡d poinis is generally a miore ellicieni choite tIhan
a site with only a Iew appearanices in tile nmany denianid sets.
Wlien tile location set coverinig problemn was first stated anid
solved. its precision ol problemn statenent. its strong relation to stated
necls. and its straighlitforward solutíion metilod quiickly established it
as a widely recognizc( nimodel for thei location of facilities. Thle suc.
ccsslul ellorts of Public 'i'ccliology. Ial'. ini promintig thiis model floi
locatitng fire stations lostered this recognition. 'I'lThe model has been
rcquested for ause iti njearly 100 cities.
The localioJt set covering niodel as tile first to use sl e ,nl:xiiiiii
uiadi;;nce (uo tiime) ;is a deter-iiiiii;:l ol tic spati;il cotiligulatioit
of facilities. As such, it was tile first to neet thie need for distante or
tinie stantdal;r thal t liad beet stateid iitd he ic clirs ;saiiih!iii·c f alid tr;ivcl tlie lii .a git'si ssiiiiitle /, pI 'i f;il¡it. líe lh.a.
IILALt I 11 tion Ket covertig niollvl igt:,res pIo¡ lationí, ;iiI ltil tile tI litliillííí
SERVICl" tiunitber ouf Ifilities ietieledl so c 'rs' .1 set uo tlel. ml.l i,luiit>s withiiil ;1
iaslputle-tiinte stlandlarl. TI'hc .Ixialt.iil overitg mitlutc 1 .ihil.iit 1the
ilsipurttilie uf IxJuiiatiul n stul drel.,il .í CSleiOt'.SiíS tili' .t.tl' 1: ti(