La. Admin. Code tit. 51 § XXIV-511

Current through Register Vol. 50, No. 4, April 20, 2024

Section XXIV-511 - Inlets and Outlets [formerly paragraph 24:013-8]

A. Design. Return water inlets shall be adjustable so that water can be distributed evenly.

B. Number and Location

1. All inlets shall discharge at a depth of at least 10 to 15 inches below pool overflow level to prevent loss of disinfectant.

2. In large pools, with outlets more than 5 feet from the end wall, inlets shall be placed on 20 foot centers entirely around the perimeter of the pool or in the bottom. Pools more than 30 feet wide shall have bottom inlets.

3. In smaller pools when the distance across the shallow end is as great as 15 feet, multiple inlets at the shallow end shall be provided. These inlets must serve not more than 15 linear feet each. In spoon-shaped rectangular pools where outlets are located more than 5 feet from the end walls, inlets must be placed at both ends of the pool.

C. Main Drain

1. The main drain outlet grating shall have an area of openings four times the area of the discharge pipe to prevent objectionable suction effects.

2. The main drain outlet system, located in the deepest section of the pool, shall be provided with more than one outlet point if the pool width exceeds 20 feet. These outlets shall be no farther apart than 20 feet on center and no closer than 10 feet from the side walls.

3. The grating of the main drain outlet shall be easily visible. Drains not constructed of shiny metal shall be marked with a dark colored circle.

D. Back Siphonage. Water discharged from the pool to waste must pass through an air gap to preclude back-siphonage.

La. Admin. Code tit. 51, § XXIV-511

Promulgated by the Department of Health and Hospitals, Office of Public Health, LR 28:1440 (June 2002).

AUTHORITY NOTE: Promulgated in accordance with the provisions of R.S. 40:4(A)(11) and R.S. 40:5(3)(16)(17)(20).