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

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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
less than three parts per million (3.0 ppm) at all times. The maximum stabilized orunstabilized free chlorine residual shall not exceed ten parts per million (10.0 ppm)except w hen super-chlorinating or s hocking t he pool . An N-diethyl-pphenylenediamine(D.P.D) t est ki t, or ot her m ethod approved by the d epartment tomeasure t he free chlorine r esidual s hall b e pr ovided a nd us ed. W hen br omine i sutilized, the residual in all parts of the pool shall be maintained at a concentration ofno less than two parts per million (2.0 ppm) and no greater than ten parts per million(10.0 ppm.). A D.P.D. t est ki t or ot her a pproved m ethod b y the d epartment t omeasure the bromine residual shall be provided and used. If ultra-violet (UV), ozonegenerating, or i onization e quipment i s us ed, i t shall be recognized only as asupplementary di sinfection t o t he m inimum r equirements f or c hlorine or br ominedisinfectants. (see Appendix, Figure #4, Pool Chemical Parameters)(2) Stabilizing chemicals. When cyanuric aci d is us ed as a s tabilizing age nt, themaximum concentration shall not exceed one hundred parts per million (100 ppm).At pools using cyanurates, a DPD test kit with cyanuric acid test reagents to measurethe cyanurate concentration shall be provided and used. T he cyanurate test kit mustregister readings in excess of the maximum permissible concentration.(3) Pool chemicals. O nly c hemicals a pproved b y t he E nvironmental P rotectionAgency and by the department shall be used.(4) Testing frequency. The pool water shall be tested for the disinfectant level and pHat l east t wo times each day or as of ten as ne cessary i f ci rcumstances w arrant,including prior to opening and during peak bathing loads. If applicable, the cyanuratelevel shall be tested at least once a w eek. T est results shall be entered on a log thatshall be maintained in the pool area for ready access whenever the pool is open. Testresults s hall be m aintained a t t he pool a nd a vailable upon r equest t hroughout t heseason or a minimum of one (1) year for pools operated year round.(5) Cleanliness. All pools shall be kept free from sediment, dirt or debris by frequentbrushing and vacuuming of the bottom and sidewalls. Visible scum shall be removedimmediately.(6) Clarity. At all times when a pool is in use, the water shall be of such clarity thatthe main drains on the bottom of the pool at the deepest point are clearly visible fromthe deck area closest to the main drain. The viewer shall be able to clearly distinguishthe type, shape and number of openings of the main drain grates or covers. If a pooldoes not have a main drain, sufficient clarity shall be determined by placing a Secchidisc or comparable six inch (6”) diameter black and white disc, on the bottom of the poolat the deepest point. The submerged disc must be clearly visible from the pool deck areaclosest to the deep end of the pool.Part 11 Circulation Systema.) Design and operation. A separate circulation system is required for each pool and shallCobb and Douglas County Public HealthDouglas Rules and Regs for Swimming Pools19
Page 1 and 2: Douglas County Board of HealthCobb
Page 3 and 4: Part 1 TitleRules and Regulations f
Page 5 and 6: “Listed suction outlet cover/grat
Page 7 and 8: purpose pool , as us ed in the c on
Page 9 and 10: d.) Additional documentation. In ad
Page 11: (6) Invalid permit. If construction
Page 14 and 15: public at all times. The report is
Page 16 and 17: e.) Bottom slopes. T he pool f loor
Page 20 and 21: consist of pump(s), piping, filter(
Page 22 and 23: pool s taff t o m onitor pool w ate
Page 24 and 25: Part 14 Sand Filtersa.) Appurtenanc
Page 26 and 27: is i nstalled f lush t o t he de ck
Page 28 and 29: observation port with a minimum obs
Page 30 and 31: c.) Equipment clearance. A ll equip
Page 32 and 33: facilities required. If there is mo
Page 34 and 35: course a pproved b y t he departmen
Page 36 and 37: Part 24 Wading Poolsa.) Application
Page 38 and 39: (4) Thermometer. All w hirlpools s
Page 40 and 41: deck shall be provided from the bas
Page 42 and 43: (3) Separate pools. If each pool i
Page 44 and 45: (1) Operation. The generation of wa
Page 46 and 47: .) Plans. Site plans prepared by a
Page 48 and 49: design, construction a nd ope ratio
Page 50 and 51: APPENDIXFigure #1Figure #2Cobb and
Page 52 and 53: APPENDIXFigure #4Pool Chemical Para

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

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