Section 675IAC14-4.3-289. Return inlets and suction outlets

   Section S4220 Return inlets and suction outlets is added as follows:

(1) S4220.1 Return inlets and suction outlets shall be provided and arranged to produce a uniform circulation of water and maintain a uniform disinfectant residual throughout the entire pool. Where skimmers are used, the return inlets shall be located so as to help bring floating particles within range of the skimmers.

(2) S4220.2 The number of return inlets shall be based on a minimum of one (1) return inlet per six hundred (600) square feet of pool surface area, or fraction thereof. Return inlet fittings shall be installed of sufficient pipe size or quantity to allow a full design turnover rate of the circulation system in accordance with the manufacturer's recommendations for return inlets.

(3) S4220.3 Return inlets from the circulation system shall be designed so as not to constitute a hazard to the bather.

(4) S4220.4 The pool shall not be operated if the suction outlet grate is missing, broken, or secured in such a way that it can be removed without the use of tools.

(5) S4220.5 If the suction outlet system, such as a filtration system, booster system, automatic cleaning system, solar system, etc., has a single suction outlet, or multiple suction outlets that can be isolated by valves, each suction outlet shall protect against bather entrapment by:

(A) an antivortex cover;

(B) a twelve (12) inch by twelve (12) inch (12 × 12) grate or larger; or

(C) other means acceptable to the local authority.

(6) S4220.6 Where provided, the vacuum cleaner fittings shall be located in accessible positions at least six (6) inches and not greater than eighteen (18) inches below the minimum operating water level or as an attachment to the skimmers.

(Fire Prevention and Building Safety Commission; 675 IAC 14-4.3-289; filed Mar 25, 2011, 10:19 a.m.: 20110420-IR-675090789FRA; readopted filed Aug 4, 2011, 8:35 a.m.: 20110831-IR-675110254RFA)