The Florida Department of Health has recently made changes to the codes covering pool fencing:
(*NEW*) All pool equipment (filtration, heating, etc.) must be in an enclosed, lockable area by May 24, 2010
Pool fencing must be 48" high & totally enclose pool area
All gates must be self-closing & self locking
All locks must be installed at 54" minimum from deck
Health Department Notice of Code Changes
Code Chapter 64E-9