Douglas County Rules and Regulations for Swimming Pools - Cobb ...

areas of the pool enclosure.(8) Deck joints and gaps. The maximum gaps in decks, between pool decks and thecoping, or between other decks or walkways, shall be one half inch (½”) of horizontalclearance with a maximum vertical elevation of one quarter inch (¼”). Control jointsin decks shall be provided to minimize the potential for cracks. C onstruction jointswhere pool coping m eets c oncrete de ck(s) or other a djacent s tructures s hall bewatertight.(9) Deck edges. The edge a nd corners of d eck(s) s hall be rounded, t apered o rdesigned and constructed to eliminate sharp corners.(10) Trash receptacle. A minimum of one (1) covered and lined trash receptacle shallbe provided and placed in a convenient location in the pool area.i.) Construction tolerances. Construction and design tolerances shall comply with the currentedition of the ANSI/NSPI-1, “American National Standard for Public Swimming Pools.”Part 10 Water Quality and Sanitationa.) Water source. Water supplied to the pool, bathhouse, drinking fountain, hose bibs, or anyother water s upply o r o utlet s hall be clean, clear, free of obj ectionable minerals and meetstandards applicable to potable water. Water supplied to the pool must be delivered through afill spout with a minimum three inch (3”) air gap, installed at least two (2) pipe diametersabove the rim of the pool or surge chamber, and located so as not to create an obstruction onthe de ck o r t hrough a make-up water s ystem with a de partment approved b ackflowprevention de vice that is ins talled in a loc ation which is r eadily a ccessible f or i nspection,repair or testing.b.) Backflow prevention. A pproved ba ckflow pr evention m ust be pr ovided on a ll pot ablewater lines.c.) Pool water. A s ufficient num ber of s amples m ay b e t aken, whenever t he d epartmentdeems ne cessary, to affirm, via ba cteriological a nalysis, that the pool w ater me ets therequirements in this article. Samples shall be taken while the pool is in use during normaloperational hour s. A ll s amples s hall be c ollected, de -chlorinated, a nd e xamined i naccordance with the procedures outlined in the latest edition of “Standard Methods for theExamination of W ater and Wastewater” ( American Public H ealth Association) and/ orapproved equivalent by the department.(1) Chemical Quality. The pool s hall be m aintained i n a n a lkaline c ondition a t a lltimes with the pH between 7.2 and 7.8. Chlorine disinfection shall be provided on allpools e xcept w hen ot her a pproved di sinfection m ethods a re utilized. T he f reechlorineresidual in all parts of the pool shall be maintained at a concentration of noless than one and one-half parts per million (1.5 ppm) at all times. Where stabilizingagents are used, a free-chlorine residual shall be maintained at a concentration of noCobb and Douglas County Public HealthDouglas Rules and Regs for Swimming Pools18