OAR 333-062-0125
Disinfectant and Chemical Feeders
(1)
A means of disinfecting the public spa pool water shall be provided which provides a disinfecting residual in the pool waters at all times as described in OAR 333-062-0165 (Spa Water Quality)(1)(a).(2)
Automatic disinfection equipment for introducing a disinfectant shall be provided.(3)
Disinfection equipment shall be equipped with suitable controls capable of fine feed rate adjustment.(4)
Hypochlorinators, erosion (flow-through) feeders, or other adjustable output rate chemical 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 compart-ment 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 the effective date of these rules 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;(F)
Shall have a fail-safe mechanism which ceases chlorination in case of malfunction;(G)
Gas chlorinators shall be equipped with an anti-siphon chlorine injection device.(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 U.S. approved self-contained breathing apparatus approved by the U.S. Bureau of Mines shall be supplied, kept in good working condition and mounted outside the chlorine enclosure.(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 OAR 333-062-0165 (Spa Water Quality)(1)(a);(b)
Be approved by the Division;(c)
Pose no adverse physiological hazards to the users and have a proven record of effectiveness.(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.
Source:
Rule 333-062-0125 — Disinfectant and Chemical Feeders, https://secure.sos.state.or.us/oard/view.action?ruleNumber=333-062-0125.