Or. Admin. Code § 333-060-0150

Current through Register Vol. 63, No. 12, December 1, 2024

Section 333-060-0150 - Disinfectant and Chemical Feeders

(1) A means of disinfecting the public swimming or wading pool water shall be provided which provides a disinfecting residual in the pool waters at all times as described in Pool Water Quality, OAR 333-060-0200(1)(a) and in addition, public wading pools must also comply with 333-060-0515.

(2) Automatic disinfection equipment for introducing a disinfectant shall be provided.

(3) Disinfection equipment shall:

(a) Be equipped with suitable controls capable of fine feed rate adjustment.

(b) Be capable of feeding one pound of equivalent chlorine per 15,000 gallons of pool capacity per 24 hours.

(c) Be capable of feeding two and one quarter pounds (2-1/4) of bromine per 15,000 gallons of pool capacity per 24 hours where bromine sanitation is applicable.

(4) Hypochlorinators, erosion (flow-through) feeders, or other adjustable output rate disinfectant feeding equipment shall conform to National Sanitation Foundation Number 50 for Circulation System Components for Swimming Pools.

(5) Where chlorine gas is used as the disinfectant:

(a) Such chlorine gas, its feeders, and other containers shall be housed in a room or compartment separate from other pool equipment. Such room or compartment shall:

(A) Be at or above ground level.

(B) Have adequate ventilation to the outside air.

(C) Have a door which opens to the outside of the building of which the room or compartment is a part. Doors installed after January 1, 1994 shall have a shatter-proof gas tight inspection window for viewing the enclosed area. Such a door must open away from public access area.

(D) Be located so that chlorine gas, if accidentally released, will not flow into the pool room or into the building ventilation systems.

(E) Have lighting and ventilation switches located outside the enclosure, adjacent to the door, or the door shall be equipped with a door switch which automatically activates the mechanical ventilation and lighting systems.

(b) A platform scale for measuring the weight of the chlorine cylinders shall be provided.

(c) A full face negative pressure respirator with a chlorine cartridge approved by the National Institute of Occupational Safety and Health (NIOSH) for protection against chlorine gas or a self-contained breathing apparatus approved by NIOSH shall be supplied, kept in good working condition and mounted outside the chlorine enclosure.

NOTE: Storage of such equipment in rooms adjoining the chlorine room shall be approved provided such equipment is readily available.

(d) Gas chlorinators shall have a fail-safe mechanism which ceases chlorination in case of malfunction.

(e) Gas chlorinators shall be equipped with an anti-siphon chlorine injection device.

(f) The vent line from the gas chlorinator shall vent away from an occupied area. The exterior opening of the vent line shall be screened.

(6) Where disinfectants other than chlorine or bromine are used, such disinfectants shall:

(a) Achieve water disinfection equal to that which free chlorine or bromine provides at the concentration specified in Pool Water Quality OAR 333-060-0200, Table 3, (1)(a); and [Tables not included. See ED. NOTE]

(b) Be approved by the Division.

(7) Ozone disinfection may be used only under conditional approval by the Division as a supplemental system. Interim guidelines governing the installation and operation of ozone equipment may be requested from the Division.

Or. Admin. Code § 333-060-0150

HD 2-1979, f. 1-25-79, ef. 3-1-79; Renumbered from 333-042-0155; HD 7-1986, f. & ef. 5-1-86; HD 22-1994, f. 8-22-94, cert. ef. 9-1-94; PH 17-2006, f. 6-30-06, cert. ef. 7-1-06

Tables referenced are available from the agency.

Publications: Publications referenced are available from the agency.

Stat. Auth.: ORS 448.011

Stats. Implemented: ORS 448.005 - 448.100, 448.990