Section 675IAC20-2-20. Inlets

   (a) Pool inlets and outlets for circulated water shall be located to:

(1) produce uniform circulation of water; and

(2) facilitate the maintenance of a uniform disinfectant residual throughout the entire pool.

Where skimmers are used, the inlets shall be located so as to help bring floating particles within range of the skimmers.

  (b) The minimum number of inlets required shall be based on two (2) inlets per six hundred (600) square feet of pool surface area or fraction thereof.

  (c) Inlets shall be sufficient in number such that the flow through any single inlet shall not exceed forty (40) gallons per minute.

  (d) Inlets shall be located between twelve (12) inches below the waterline and no higher than the waterline.

  (e) Pools with a width over thirty (30) feet shall have bottom inlets, if not equipped with a continuous gutter system with integral return inlets.

  (f) Inlets shall be designed and installed so as not to provide a hazard to bathers.

  (g) Inlets in facilities with skimmers shall be twelve (12) inches below the midpoint on the skimmer throat. Inlets in facilities with a prefabricated perimeter overflow system shall be eight (8) inches or more below the lip of the gutter.

  (h) Inlets shall be placed completely around the pool, each serving a linear distance of not more than fifteen (15) feet on center. The pipe serving the inlets shall form a loop completely around the pool.

  (i) At least one (1) inlet shall be located in each recessed stairwell or other space where water circulation might be impaired. (Fire Prevention and Building Safety Commission; 675 IAC 20-2-20; filed Aug 14, 1989, 9:00 a.m.: 13 IR 56, eff Sep 1, 1989 [IC 4-22-2-36 suspends the effectiveness of a rule document for thirty (30) days after filing with the secretary of state. LSA Document #89-17 was filed Aug 14, 1989.]; readopted filed Sep 11, 2001, 2:49 p.m.: 25 IR 530; filed Nov 25, 2002, 9:00 a.m.: 26 IR 1101; readopted filed Sep 21, 2007, 9:20 a.m.: 20071010-IR-675070388RFA; readopted filed Oct 10, 2007, 9:16 a.m: 20071031-IR-675070388RFA; filed Mar 25, 2011, 10:19 a.m.: 20110420-IR-675090789FRA; readopted filed Aug 7, 2013, 8:51 a.m.: 20130904-IR-675130181RFA)