Section 4-31 - Gas Chlorinator, Enclosure (a) The gas chlorinator, cylinders of chlorine and associated equipment shall be enclosed in a separate, corrosion-resistant, reasonably gas-tight room having a floor area adequate for the purpose.
(a) Enclosures shall: - (i) Be located at or above ground level;
- (ii) Be provided with:
- (A) Ducts located at the bottom of the enclosure to allow ventilation to an unrestricted area; and
- (B) A motor-driven louvered exhaust fan capable of producing at least one air change per minute located near the top of the enclosure for admitting fresh air.
- (I) Negative pressure ventilation may be provided as long as the facilities also have gas containment and treatment as prescribed by the Uniform Fire Code (UFC).
(b) The temperature of the gas chlorination equipment and cylinders must not fall below fifty five (55) degrees Fahrenheit. - (i) If necessary, a means of keeping the temperature at fifty five (55) degrees Fahrenheit or above shall be provided.
(d) Doors to the gas chlorine room shall: - (i) Have a warning sign posted on the exterior side which states in four (4) inch minimum size lettering, "DANGER-CHLORINE;"
- (ii) Open away from the pool area;
- (iv) Have panic hardware;
- (v) Have at least one (1) viewport to permit the operators to look into the room before entering; and
- (vi) Be kept locked when the chlorine room is not being serviced.
(e) Electrical switches for the control of artificial lighting and ventilation shall be on the outside of the enclosure adjacent to the door. - (i) Adequate lighting shall be provided.
010-4 Wyo. Code R. § 4-31