12VAC5-460-180. Filter rooms.
Any room containing the filtration equipment, pumps, and other recirculation system appurtenances shall be finished in a light color and be provided with adequate illumination and ventilation. The floor of the filter room shall be designed to provide adequate drainage. The provision of any facility for discharging filter backwashing water onto the filter floor is strictly prohibited, and adequate provision shall be made for the discharge of backwash water. All of the recirculation equipment in filter rooms shall be installed so that it may easily be operated or repaired. All entrances below ground surface shall be by stairway and vertical door. Adequate headroom shall be provided above all filters. Below-ground filter rooms shall be provided with mechanical ventilation.
Statutory Authority
§ 35.1-13 of the Code of Virginia.
Historical Notes
Derived from VR355-35-05 § 18, eff. March 1, 1962.